vendor: update all dependencies

vendor/github.com/aws/aws-sdk-go/aws/arn/arn.go

@@ -0,0 +1,93 @@
+// Package arn provides a parser for interacting with Amazon Resource Names.
+package arn
+
+import (
+	"errors"
+	"strings"
+)
+
+const (
+	arnDelimiter = ":"
+	arnSections  = 6
+	arnPrefix    = "arn:"
+
+	// zero-indexed
+	sectionPartition = 1
+	sectionService   = 2
+	sectionRegion    = 3
+	sectionAccountID = 4
+	sectionResource  = 5
+
+	// errors
+	invalidPrefix   = "arn: invalid prefix"
+	invalidSections = "arn: not enough sections"
+)
+
+// ARN captures the individual fields of an Amazon Resource Name.
+// See http://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html for more information.
+type ARN struct {
+	// The partition that the resource is in. For standard AWS regions, the partition is "aws". If you have resources in
+	// other partitions, the partition is "aws-partitionname". For example, the partition for resources in the China
+	// (Beijing) region is "aws-cn".
+	Partition string
+
+	// The service namespace that identifies the AWS product (for example, Amazon S3, IAM, or Amazon RDS). For a list of
+	// namespaces, see
+	// http://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html#genref-aws-service-namespaces.
+	Service string
+
+	// The region the resource resides in. Note that the ARNs for some resources do not require a region, so this
+	// component might be omitted.
+	Region string
+
+	// The ID of the AWS account that owns the resource, without the hyphens. For example, 123456789012. Note that the
+	// ARNs for some resources don't require an account number, so this component might be omitted.
+	AccountID string
+
+	// The content of this part of the ARN varies by service. It often includes an indicator of the type of resource —
+	// for example, an IAM user or Amazon RDS database - followed by a slash (/) or a colon (:), followed by the
+	// resource name itself. Some services allows paths for resource names, as described in
+	// http://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html#arns-paths.
+	Resource string
+}
+
+// Parse parses an ARN into its constituent parts.
+//
+// Some example ARNs:
+// arn:aws:elasticbeanstalk:us-east-1:123456789012:environment/My App/MyEnvironment
+// arn:aws:iam::123456789012:user/David
+// arn:aws:rds:eu-west-1:123456789012:db:mysql-db
+// arn:aws:s3:::my_corporate_bucket/exampleobject.png
+func Parse(arn string) (ARN, error) {
+	if !strings.HasPrefix(arn, arnPrefix) {
+		return ARN{}, errors.New(invalidPrefix)
+	}
+	sections := strings.SplitN(arn, arnDelimiter, arnSections)
+	if len(sections) != arnSections {
+		return ARN{}, errors.New(invalidSections)
+	}
+	return ARN{
+		Partition: sections[sectionPartition],
+		Service:   sections[sectionService],
+		Region:    sections[sectionRegion],
+		AccountID: sections[sectionAccountID],
+		Resource:  sections[sectionResource],
+	}, nil
+}
+
+// IsARN returns whether the given string is an ARN by looking for
+// whether the string starts with "arn:" and contains the correct number
+// of sections delimited by colons(:).
+func IsARN(arn string) bool {
+	return strings.HasPrefix(arn, arnPrefix) && strings.Count(arn, ":") >= arnSections-1
+}
+
+// String returns the canonical representation of the ARN
+func (arn ARN) String() string {
+	return arnPrefix +
+		arn.Partition + arnDelimiter +
+		arn.Service + arnDelimiter +
+		arn.Region + arnDelimiter +
+		arn.AccountID + arnDelimiter +
+		arn.Resource
+}

vendor/github.com/aws/aws-sdk-go/aws/awsutil/path_value.go

@@ -70,7 +70,7 @@ func rValuesAtPath(v interface{}, path string, createPath, caseSensitive, nilTer
 			value = value.FieldByNameFunc(func(name string) bool {
 				if c == name {
 					return true
-				} else if !caseSensitive && strings.ToLower(name) == strings.ToLower(c) {
+				} else if !caseSensitive && strings.EqualFold(name, c) {
 					return true
 				}
 				return false

vendor/github.com/aws/aws-sdk-go/aws/config.go

@@ -161,6 +161,17 @@ type Config struct {
 	// on GetObject API calls.
 	S3DisableContentMD5Validation *bool
 
+	// Set this to `true` to have the S3 service client to use the region specified
+	// in the ARN, when an ARN is provided as an argument to a bucket parameter.
+	S3UseARNRegion *bool
+
+	// Set this to `true` to enable the SDK to unmarshal API response header maps to
+	// normalized lower case map keys.
+	//
+	// For example S3's X-Amz-Meta prefixed header will be unmarshaled to lower case
+	// Metadata member's map keys. The value of the header in the map is unaffected.
+	LowerCaseHeaderMaps *bool
+
 	// Set this to `true` to disable the EC2Metadata client from overriding the
 	// default http.Client's Timeout. This is helpful if you do not want the
 	// EC2Metadata client to create a new http.Client. This options is only
@@ -249,6 +260,9 @@ type Config struct {
 
 	// STSRegionalEndpoint will enable regional or legacy endpoint resolving
 	STSRegionalEndpoint endpoints.STSRegionalEndpoint
+
+	// S3UsEast1RegionalEndpoint will enable regional or legacy endpoint resolving
+	S3UsEast1RegionalEndpoint endpoints.S3UsEast1RegionalEndpoint
 }
 
 // NewConfig returns a new Config pointer that can be chained with builder
@@ -382,6 +396,13 @@ func (c *Config) WithS3DisableContentMD5Validation(enable bool) *Config {
 
 }
 
+// WithS3UseARNRegion sets a config S3UseARNRegion value and
+// returning a Config pointer for chaining
+func (c *Config) WithS3UseARNRegion(enable bool) *Config {
+	c.S3UseARNRegion = &enable
+	return c
+}
+
 // WithUseDualStack sets a config UseDualStack value returning a Config
 // pointer for chaining.
 func (c *Config) WithUseDualStack(enable bool) *Config {
@@ -430,6 +451,13 @@ func (c *Config) WithSTSRegionalEndpoint(sre endpoints.STSRegionalEndpoint) *Con
 	return c
 }
 
+// WithS3UsEast1RegionalEndpoint will set whether or not to use regional endpoint flag
+// when resolving the endpoint for a service
+func (c *Config) WithS3UsEast1RegionalEndpoint(sre endpoints.S3UsEast1RegionalEndpoint) *Config {
+	c.S3UsEast1RegionalEndpoint = sre
+	return c
+}
+
 func mergeInConfig(dst *Config, other *Config) {
 	if other == nil {
 		return
@@ -503,6 +531,10 @@ func mergeInConfig(dst *Config, other *Config) {
 		dst.S3DisableContentMD5Validation = other.S3DisableContentMD5Validation
 	}
 
+	if other.S3UseARNRegion != nil {
+		dst.S3UseARNRegion = other.S3UseARNRegion
+	}
+
 	if other.UseDualStack != nil {
 		dst.UseDualStack = other.UseDualStack
 	}
@@ -534,6 +566,10 @@ func mergeInConfig(dst *Config, other *Config) {
 	if other.STSRegionalEndpoint != endpoints.UnsetSTSEndpoint {
 		dst.STSRegionalEndpoint = other.STSRegionalEndpoint
 	}
+
+	if other.S3UsEast1RegionalEndpoint != endpoints.UnsetS3UsEast1Endpoint {
+		dst.S3UsEast1RegionalEndpoint = other.S3UsEast1RegionalEndpoint
+	}
 }
 
 // Copy will return a shallow copy of the Config object. If any additional

vendor/github.com/aws/aws-sdk-go/aws/context_background_1_5.go

@@ -2,42 +2,8 @@
 
 package aws
 
-import "time"
-
-// An emptyCtx is a copy of the Go 1.7 context.emptyCtx type. This is copied to
-// provide a 1.6 and 1.5 safe version of context that is compatible with Go
-// 1.7's Context.
-//
-// An emptyCtx is never canceled, has no values, and has no deadline. It is not
-// struct{}, since vars of this type must have distinct addresses.
-type emptyCtx int
-
-func (*emptyCtx) Deadline() (deadline time.Time, ok bool) {
-	return
-}
-
-func (*emptyCtx) Done() <-chan struct{} {
-	return nil
-}
-
-func (*emptyCtx) Err() error {
-	return nil
-}
-
-func (*emptyCtx) Value(key interface{}) interface{} {
-	return nil
-}
-
-func (e *emptyCtx) String() string {
-	switch e {
-	case backgroundCtx:
-		return "aws.BackgroundContext"
-	}
-	return "unknown empty Context"
-}
-
-var (
-	backgroundCtx = new(emptyCtx)
+import (
+	"github.com/aws/aws-sdk-go/internal/context"
 )
 
 // BackgroundContext returns a context that will never be canceled, has no
@@ -52,5 +18,5 @@ var (
 //
 // See https://golang.org/pkg/context for more information on Contexts.
 func BackgroundContext() Context {
-	return backgroundCtx
+	return context.BackgroundCtx
 }

vendor/github.com/aws/aws-sdk-go/aws/corehandlers/handlers.go

@@ -161,7 +161,7 @@ func handleSendError(r *request.Request, err error) {
 	}
 	// Catch all request errors, and let the default retrier determine
 	// if the error is retryable.
-	r.Error = awserr.New("RequestError", "send request failed", err)
+	r.Error = awserr.New(request.ErrCodeRequestError, "send request failed", err)
 
 	// Override the error with a context canceled error, if that was canceled.
 	ctx := r.Context()

vendor/github.com/aws/aws-sdk-go/aws/credentials/context_background_go1.5.go

@@ -0,0 +1,22 @@
+// +build !go1.7
+
+package credentials
+
+import (
+	"github.com/aws/aws-sdk-go/internal/context"
+)
+
+// backgroundContext returns a context that will never be canceled, has no
+// values, and no deadline. This context is used by the SDK to provide
+// backwards compatibility with non-context API operations and functionality.
+//
+// Go 1.6 and before:
+// This context function is equivalent to context.Background in the Go stdlib.
+//
+// Go 1.7 and later:
+// The context returned will be the value returned by context.Background()
+//
+// See https://golang.org/pkg/context for more information on Contexts.
+func backgroundContext() Context {
+	return context.BackgroundCtx
+}

vendor/github.com/aws/aws-sdk-go/aws/credentials/context_background_go1.7.go

@@ -0,0 +1,20 @@
+// +build go1.7
+
+package credentials
+
+import "context"
+
+// backgroundContext returns a context that will never be canceled, has no
+// values, and no deadline. This context is used by the SDK to provide
+// backwards compatibility with non-context API operations and functionality.
+//
+// Go 1.6 and before:
+// This context function is equivalent to context.Background in the Go stdlib.
+//
+// Go 1.7 and later:
+// The context returned will be the value returned by context.Background()
+//
+// See https://golang.org/pkg/context for more information on Contexts.
+func backgroundContext() Context {
+	return context.Background()
+}

vendor/github.com/aws/aws-sdk-go/aws/credentials/context_go1.5.go

@@ -0,0 +1,39 @@
+// +build !go1.9
+
+package credentials
+
+import "time"
+
+// Context is an copy of the Go v1.7 stdlib's context.Context interface.
+// It is represented as a SDK interface to enable you to use the "WithContext"
+// API methods with Go v1.6 and a Context type such as golang.org/x/net/context.
+//
+// This type, aws.Context, and context.Context are equivalent.
+//
+// See https://golang.org/pkg/context on how to use contexts.
+type Context interface {
+	// Deadline returns the time when work done on behalf of this context
+	// should be canceled. Deadline returns ok==false when no deadline is
+	// set. Successive calls to Deadline return the same results.
+	Deadline() (deadline time.Time, ok bool)
+
+	// Done returns a channel that's closed when work done on behalf of this
+	// context should be canceled. Done may return nil if this context can
+	// never be canceled. Successive calls to Done return the same value.
+	Done() <-chan struct{}
+
+	// Err returns a non-nil error value after Done is closed. Err returns
+	// Canceled if the context was canceled or DeadlineExceeded if the
+	// context's deadline passed. No other values for Err are defined.
+	// After Done is closed, successive calls to Err return the same value.
+	Err() error
+
+	// Value returns the value associated with this context for key, or nil
+	// if no value is associated with key. Successive calls to Value with
+	// the same key returns the same result.
+	//
+	// Use context values only for request-scoped data that transits
+	// processes and API boundaries, not for passing optional parameters to
+	// functions.
+	Value(key interface{}) interface{}
+}

vendor/github.com/aws/aws-sdk-go/aws/credentials/context_go1.9.go

@@ -0,0 +1,13 @@
+// +build go1.9
+
+package credentials
+
+import "context"
+
+// Context is an alias of the Go stdlib's context.Context interface.
+// It can be used within the SDK's API operation "WithContext" methods.
+//
+// This type, aws.Context, and context.Context are equivalent.
+//
+// See https://golang.org/pkg/context on how to use contexts.
+type Context = context.Context

vendor/github.com/aws/aws-sdk-go/aws/credentials/credentials.go

@@ -50,10 +50,11 @@ package credentials
 
 import (
 	"fmt"
-	"sync"
+	"sync/atomic"
 	"time"
 
 	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/internal/sync/singleflight"
 )
 
 // AnonymousCredentials is an empty Credential object that can be used as
@@ -197,20 +198,62 @@ func (e *Expiry) ExpiresAt() time.Time {
 // first instance of the credentials Value. All calls to Get() after that
 // will return the cached credentials Value until IsExpired() returns true.
 type Credentials struct {
-	creds        Value
-	forceRefresh bool
-
-	m sync.RWMutex
+	creds atomic.Value
+	sf    singleflight.Group
 
 	provider Provider
 }
 
 // NewCredentials returns a pointer to a new Credentials with the provider set.
 func NewCredentials(provider Provider) *Credentials {
-	return &Credentials{
-		provider:     provider,
-		forceRefresh: true,
+	c := &Credentials{
+		provider: provider,
 	}
+	c.creds.Store(Value{})
+	return c
+}
+
+// GetWithContext returns the credentials value, or error if the credentials
+// Value failed to be retrieved. Will return early if the passed in context is
+// canceled.
+//
+// Will return the cached credentials Value if it has not expired. If the
+// credentials Value has expired the Provider's Retrieve() will be called
+// to refresh the credentials.
+//
+// If Credentials.Expire() was called the credentials Value will be force
+// expired, and the next call to Get() will cause them to be refreshed.
+//
+// Passed in Context is equivalent to aws.Context, and context.Context.
+func (c *Credentials) GetWithContext(ctx Context) (Value, error) {
+	if curCreds := c.creds.Load(); !c.isExpired(curCreds) {
+		return curCreds.(Value), nil
+	}
+
+	// Cannot pass context down to the actual retrieve, because the first
+	// context would cancel the whole group when there is not direct
+	// association of items in the group.
+	resCh := c.sf.DoChan("", c.singleRetrieve)
+	select {
+	case res := <-resCh:
+		return res.Val.(Value), res.Err
+	case <-ctx.Done():
+		return Value{}, awserr.New("RequestCanceled",
+			"request context canceled", ctx.Err())
+	}
+}
+
+func (c *Credentials) singleRetrieve() (interface{}, error) {
+	if curCreds := c.creds.Load(); !c.isExpired(curCreds) {
+		return curCreds.(Value), nil
+	}
+
+	creds, err := c.provider.Retrieve()
+	if err == nil {
+		c.creds.Store(creds)
+	}
+
+	return creds, err
 }
 
 // Get returns the credentials value, or error if the credentials Value failed
@@ -223,30 +266,7 @@ func NewCredentials(provider Provider) *Credentials {
 // If Credentials.Expire() was called the credentials Value will be force
 // expired, and the next call to Get() will cause them to be refreshed.
 func (c *Credentials) Get() (Value, error) {
-	// Check the cached credentials first with just the read lock.
-	c.m.RLock()
-	if !c.isExpired() {
-		creds := c.creds
-		c.m.RUnlock()
-		return creds, nil
-	}
-	c.m.RUnlock()
-
-	// Credentials are expired need to retrieve the credentials taking the full
-	// lock.
-	c.m.Lock()
-	defer c.m.Unlock()
-
-	if c.isExpired() {
-		creds, err := c.provider.Retrieve()
-		if err != nil {
-			return Value{}, err
-		}
-		c.creds = creds
-		c.forceRefresh = false
-	}
-
-	return c.creds, nil
+	return c.GetWithContext(backgroundContext())
 }
 
 // Expire expires the credentials and forces them to be retrieved on the
@@ -255,10 +275,7 @@ func (c *Credentials) Get() (Value, error) {
 // This will override the Provider's expired state, and force Credentials
 // to call the Provider's Retrieve().
 func (c *Credentials) Expire() {
-	c.m.Lock()
-	defer c.m.Unlock()
-
-	c.forceRefresh = true
+	c.creds.Store(Value{})
 }
 
 // IsExpired returns if the credentials are no longer valid, and need
@@ -267,31 +284,25 @@ func (c *Credentials) Expire() {
 // If the Credentials were forced to be expired with Expire() this will
 // reflect that override.
 func (c *Credentials) IsExpired() bool {
-	c.m.RLock()
-	defer c.m.RUnlock()
-
-	return c.isExpired()
+	return c.isExpired(c.creds.Load())
 }
 
 // isExpired helper method wrapping the definition of expired credentials.
-func (c *Credentials) isExpired() bool {
-	return c.forceRefresh || c.provider.IsExpired()
+func (c *Credentials) isExpired(creds interface{}) bool {
+	return creds == nil || creds.(Value) == Value{} || c.provider.IsExpired()
 }
 
 // ExpiresAt provides access to the functionality of the Expirer interface of
 // the underlying Provider, if it supports that interface.  Otherwise, it returns
 // an error.
 func (c *Credentials) ExpiresAt() (time.Time, error) {
-	c.m.RLock()
-	defer c.m.RUnlock()
-
 	expirer, ok := c.provider.(Expirer)
 	if !ok {
 		return time.Time{}, awserr.New("ProviderNotExpirer",
-			fmt.Sprintf("provider %s does not support ExpiresAt()", c.creds.ProviderName),
+			fmt.Sprintf("provider %s does not support ExpiresAt()", c.creds.Load().(Value).ProviderName),
 			nil)
 	}
-	if c.forceRefresh {
+	if c.creds.Load().(Value) == (Value{}) {
 		// set expiration time to the distant past
 		return time.Time{}, nil
 	}

vendor/github.com/aws/aws-sdk-go/aws/credentials/processcreds/provider.go

@@ -90,6 +90,7 @@ import (
 
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/aws/aws-sdk-go/internal/sdkio"
 )
 
 const (
@@ -142,7 +143,7 @@ const (
 
 	// DefaultBufSize limits buffer size from growing to an enormous
 	// amount due to a faulty process.
-	DefaultBufSize = 1024
+	DefaultBufSize = int(8 * sdkio.KibiByte)
 
 	// DefaultTimeout default limit on time a process can run.
 	DefaultTimeout = time.Duration(1) * time.Minute

vendor/github.com/aws/aws-sdk-go/aws/credentials/stscreds/assume_role_provider.go

@@ -144,6 +144,13 @@ type AssumeRoleProvider struct {
 	// Session name, if you wish to reuse the credentials elsewhere.
 	RoleSessionName string
 
+	// Optional, you can pass tag key-value pairs to your session. These tags are called session tags.
+	Tags []*sts.Tag
+
+	// A list of keys for session tags that you want to set as transitive.
+	// If you set a tag key as transitive, the corresponding key and value passes to subsequent sessions in a role chain.
+	TransitiveTagKeys []*string
+
 	// Expiry duration of the STS credentials. Defaults to 15 minutes if not set.
 	Duration time.Duration
 
@@ -269,10 +276,12 @@ func (p *AssumeRoleProvider) Retrieve() (credentials.Value, error) {
 	}
 	jitter := time.Duration(sdkrand.SeededRand.Float64() * p.MaxJitterFrac * float64(p.Duration))
 	input := &sts.AssumeRoleInput{
-		DurationSeconds: aws.Int64(int64((p.Duration - jitter) / time.Second)),
-		RoleArn:         aws.String(p.RoleARN),
-		RoleSessionName: aws.String(p.RoleSessionName),
-		ExternalId:      p.ExternalID,
+		DurationSeconds:   aws.Int64(int64((p.Duration - jitter) / time.Second)),
+		RoleArn:           aws.String(p.RoleARN),
+		RoleSessionName:   aws.String(p.RoleSessionName),
+		ExternalId:        p.ExternalID,
+		Tags:              p.Tags,
+		TransitiveTagKeys: p.TransitiveTagKeys,
 	}
 	if p.Policy != nil {
 		input.Policy = p.Policy

vendor/github.com/aws/aws-sdk-go/aws/csm/reporter.go

@@ -89,7 +89,7 @@ func getMetricException(err awserr.Error) metricException {
 	code := err.Code()
 
 	switch code {
-	case "RequestError",
+	case request.ErrCodeRequestError,
 		request.ErrCodeSerialization,
 		request.CanceledErrorCode:
 		return sdkException{

vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/api.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
+	"strconv"
 	"strings"
 	"time"
 
@@ -12,8 +13,41 @@ import (
 	"github.com/aws/aws-sdk-go/internal/sdkuri"
 )
 
+// getToken uses the duration to return a token for EC2 metadata service,
+// or an error if the request failed.
+func (c *EC2Metadata) getToken(duration time.Duration) (tokenOutput, error) {
+	op := &request.Operation{
+		Name:       "GetToken",
+		HTTPMethod: "PUT",
+		HTTPPath:   "/api/token",
+	}
+
+	var output tokenOutput
+	req := c.NewRequest(op, nil, &output)
+
+	// remove the fetch token handler from the request handlers to avoid infinite recursion
+	req.Handlers.Sign.RemoveByName(fetchTokenHandlerName)
+
+	// Swap the unmarshalMetadataHandler with unmarshalTokenHandler on this request.
+	req.Handlers.Unmarshal.Swap(unmarshalMetadataHandlerName, unmarshalTokenHandler)
+
+	ttl := strconv.FormatInt(int64(duration/time.Second), 10)
+	req.HTTPRequest.Header.Set(ttlHeader, ttl)
+
+	err := req.Send()
+
+	// Errors with bad request status should be returned.
+	if err != nil {
+		err = awserr.NewRequestFailure(
+			awserr.New(req.HTTPResponse.Status, http.StatusText(req.HTTPResponse.StatusCode), err),
+			req.HTTPResponse.StatusCode, req.RequestID)
+	}
+
+	return output, err
+}
+
 // GetMetadata uses the path provided to request information from the EC2
-// instance metdata service. The content will be returned as a string, or
+// instance metadata service. The content will be returned as a string, or
 // error if the request failed.
 func (c *EC2Metadata) GetMetadata(p string) (string, error) {
 	op := &request.Operation{
@@ -21,11 +55,11 @@ func (c *EC2Metadata) GetMetadata(p string) (string, error) {
 		HTTPMethod: "GET",
 		HTTPPath:   sdkuri.PathJoin("/meta-data", p),
 	}
-
 	output := &metadataOutput{}
-	req := c.NewRequest(op, nil, output)
-	err := req.Send()
 
+	req := c.NewRequest(op, nil, output)
+
+	err := req.Send()
 	return output.Content, err
 }
 
@@ -41,13 +75,8 @@ func (c *EC2Metadata) GetUserData() (string, error) {
 
 	output := &metadataOutput{}
 	req := c.NewRequest(op, nil, output)
-	req.Handlers.UnmarshalError.PushBack(func(r *request.Request) {
-		if r.HTTPResponse.StatusCode == http.StatusNotFound {
-			r.Error = awserr.New("NotFoundError", "user-data not found", r.Error)
-		}
-	})
-	err := req.Send()
 
+	err := req.Send()
 	return output.Content, err
 }
 
@@ -63,8 +92,8 @@ func (c *EC2Metadata) GetDynamicData(p string) (string, error) {
 
 	output := &metadataOutput{}
 	req := c.NewRequest(op, nil, output)
-	err := req.Send()
 
+	err := req.Send()
 	return output.Content, err
 }
 
@@ -116,17 +145,17 @@ func (c *EC2Metadata) IAMInfo() (EC2IAMInfo, error) {
 
 // Region returns the region the instance is running in.
 func (c *EC2Metadata) Region() (string, error) {
-	resp, err := c.GetMetadata("placement/availability-zone")
+	ec2InstanceIdentityDocument, err := c.GetInstanceIdentityDocument()
 	if err != nil {
 		return "", err
 	}
-
-	if len(resp) == 0 {
-		return "", awserr.New("EC2MetadataError", "invalid Region response", nil)
+	// extract region from the ec2InstanceIdentityDocument
+	region := ec2InstanceIdentityDocument.Region
+	if len(region) == 0 {
+		return "", awserr.New("EC2MetadataError", "invalid region received for ec2metadata instance", nil)
 	}
-
-	// returns region without the suffix. Eg: us-west-2a becomes us-west-2
-	return resp[:len(resp)-1], nil
+	// returns region
+	return region, nil
 }
 
 // Available returns if the application has access to the EC2 Metadata service.

vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/service.go

@@ -13,6 +13,7 @@ import (
 	"io"
 	"net/http"
 	"os"
+	"strconv"
 	"strings"
 	"time"
 
@@ -24,9 +25,25 @@ import (
 	"github.com/aws/aws-sdk-go/aws/request"
 )
 
-// ServiceName is the name of the service.
-const ServiceName = "ec2metadata"
-const disableServiceEnvVar = "AWS_EC2_METADATA_DISABLED"
+const (
+	// ServiceName is the name of the service.
+	ServiceName          = "ec2metadata"
+	disableServiceEnvVar = "AWS_EC2_METADATA_DISABLED"
+
+	// Headers for Token and TTL
+	ttlHeader   = "x-aws-ec2-metadata-token-ttl-seconds"
+	tokenHeader = "x-aws-ec2-metadata-token"
+
+	// Named Handler constants
+	fetchTokenHandlerName          = "FetchTokenHandler"
+	unmarshalMetadataHandlerName   = "unmarshalMetadataHandler"
+	unmarshalTokenHandlerName      = "unmarshalTokenHandler"
+	enableTokenProviderHandlerName = "enableTokenProviderHandler"
+
+	// TTL constants
+	defaultTTL = 21600 * time.Second
+	ttlExpirationWindow = 30 * time.Second
+)
 
 // A EC2Metadata is an EC2 Metadata service Client.
 type EC2Metadata struct {
@@ -63,8 +80,10 @@ func NewClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegio
 			// use a shorter timeout than default because the metadata
 			// service is local if it is running, and to fail faster
 			// if not running on an ec2 instance.
-			Timeout: 5 * time.Second,
+			Timeout: 1 * time.Second,
 		}
+		// max number of retries on the client operation
+		cfg.MaxRetries = aws.Int(2)
 	}
 
 	svc := &EC2Metadata{
@@ -80,13 +99,27 @@ func NewClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegio
 		),
 	}
 
-	svc.Handlers.Unmarshal.PushBack(unmarshalHandler)
+	// token provider instance
+	tp := newTokenProvider(svc, defaultTTL)
+
+	// NamedHandler for fetching token
+	svc.Handlers.Sign.PushBackNamed(request.NamedHandler{
+		Name: fetchTokenHandlerName,
+		Fn:   tp.fetchTokenHandler,
+	})
+	// NamedHandler for enabling token provider
+	svc.Handlers.Complete.PushBackNamed(request.NamedHandler{
+		Name: enableTokenProviderHandlerName,
+		Fn:   tp.enableTokenProviderHandler,
+	})
+
+	svc.Handlers.Unmarshal.PushBackNamed(unmarshalHandler)
 	svc.Handlers.UnmarshalError.PushBack(unmarshalError)
 	svc.Handlers.Validate.Clear()
 	svc.Handlers.Validate.PushBack(validateEndpointHandler)
 
 	// Disable the EC2 Metadata service if the environment variable is set.
-	// This shortcirctes the service's functionality to always fail to send
+	// This short-circuits the service's functionality to always fail to send
 	// requests.
 	if strings.ToLower(os.Getenv(disableServiceEnvVar)) == "true" {
 		svc.Handlers.Send.SwapNamed(request.NamedHandler{
@@ -107,7 +140,6 @@ func NewClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegio
 	for _, option := range opts {
 		option(svc.Client)
 	}
-
 	return svc
 }
 
@@ -119,30 +151,74 @@ type metadataOutput struct {
 	Content string
 }
 
-func unmarshalHandler(r *request.Request) {
-	defer r.HTTPResponse.Body.Close()
-	b := &bytes.Buffer{}
-	if _, err := io.Copy(b, r.HTTPResponse.Body); err != nil {
-		r.Error = awserr.New(request.ErrCodeSerialization, "unable to unmarshal EC2 metadata response", err)
-		return
-	}
+type tokenOutput struct {
+	Token string
+	TTL   time.Duration
+}
 
-	if data, ok := r.Data.(*metadataOutput); ok {
-		data.Content = b.String()
-	}
+// unmarshal token handler is used to parse the response of a getToken operation
+var unmarshalTokenHandler = request.NamedHandler{
+	Name: unmarshalTokenHandlerName,
+	Fn: func(r *request.Request) {
+		defer r.HTTPResponse.Body.Close()
+		var b bytes.Buffer
+		if _, err := io.Copy(&b, r.HTTPResponse.Body); err != nil {
+			r.Error = awserr.NewRequestFailure(awserr.New(request.ErrCodeSerialization,
+				"unable to unmarshal EC2 metadata response", err), r.HTTPResponse.StatusCode, r.RequestID)
+			return
+		}
+
+		v := r.HTTPResponse.Header.Get(ttlHeader)
+		data, ok := r.Data.(*tokenOutput)
+		if !ok {
+			return
+		}
+
+		data.Token = b.String()
+		// TTL is in seconds
+		i, err := strconv.ParseInt(v, 10, 64)
+		if err != nil {
+			r.Error = awserr.NewRequestFailure(awserr.New(request.ParamFormatErrCode,
+				"unable to parse EC2 token TTL response", err), r.HTTPResponse.StatusCode, r.RequestID)
+			return
+		}
+		t := time.Duration(i) * time.Second
+		data.TTL = t
+	},
+}
+
+var unmarshalHandler = request.NamedHandler{
+	Name: unmarshalMetadataHandlerName,
+	Fn: func(r *request.Request) {
+		defer r.HTTPResponse.Body.Close()
+		var b bytes.Buffer
+		if _, err := io.Copy(&b, r.HTTPResponse.Body); err != nil {
+			r.Error = awserr.NewRequestFailure(awserr.New(request.ErrCodeSerialization,
+				"unable to unmarshal EC2 metadata response", err), r.HTTPResponse.StatusCode, r.RequestID)
+			return
+		}
+
+		if data, ok := r.Data.(*metadataOutput); ok {
+			data.Content = b.String()
+		}
+	},
 }
 
 func unmarshalError(r *request.Request) {
 	defer r.HTTPResponse.Body.Close()
-	b := &bytes.Buffer{}
-	if _, err := io.Copy(b, r.HTTPResponse.Body); err != nil {
-		r.Error = awserr.New(request.ErrCodeSerialization, "unable to unmarshal EC2 metadata error response", err)
+	var b bytes.Buffer
+
+	if _, err := io.Copy(&b, r.HTTPResponse.Body); err != nil {
+		r.Error = awserr.NewRequestFailure(
+			awserr.New(request.ErrCodeSerialization, "unable to unmarshal EC2 metadata error response", err),
+			r.HTTPResponse.StatusCode, r.RequestID)
 		return
 	}
 
 	// Response body format is not consistent between metadata endpoints.
 	// Grab the error message as a string and include that as the source error
-	r.Error = awserr.New("EC2MetadataError", "failed to make EC2Metadata request", errors.New(b.String()))
+	r.Error = awserr.NewRequestFailure(awserr.New("EC2MetadataError", "failed to make EC2Metadata request", errors.New(b.String())),
+		r.HTTPResponse.StatusCode, r.RequestID)
 }
 
 func validateEndpointHandler(r *request.Request) {

vendor/github.com/aws/aws-sdk-go/aws/ec2metadata/token_provider.go

@@ -0,0 +1,92 @@
+package ec2metadata
+
+import (
+	"net/http"
+	"sync/atomic"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/aws/aws-sdk-go/aws/request"
+)
+
+// A tokenProvider struct provides access to EC2Metadata client
+// and atomic instance of a token, along with configuredTTL for it.
+// tokenProvider also provides an atomic flag to disable the
+// fetch token operation.
+// The disabled member will use 0 as false, and 1 as true.
+type tokenProvider struct {
+	client        *EC2Metadata
+	token         atomic.Value
+	configuredTTL time.Duration
+	disabled      uint32
+}
+
+// A ec2Token struct helps use of token in EC2 Metadata service ops
+type ec2Token struct {
+	token string
+	credentials.Expiry
+}
+
+// newTokenProvider provides a pointer to a tokenProvider instance
+func newTokenProvider(c *EC2Metadata, duration time.Duration) *tokenProvider {
+	return &tokenProvider{client: c, configuredTTL: duration}
+}
+
+// fetchTokenHandler fetches token for EC2Metadata service client by default.
+func (t *tokenProvider) fetchTokenHandler(r *request.Request) {
+
+	// short-circuits to insecure data flow if tokenProvider is disabled.
+	if v := atomic.LoadUint32(&t.disabled); v == 1 {
+		return
+	}
+
+	if ec2Token, ok := t.token.Load().(ec2Token); ok && !ec2Token.IsExpired() {
+		r.HTTPRequest.Header.Set(tokenHeader, ec2Token.token)
+		return
+	}
+
+	output, err := t.client.getToken(t.configuredTTL)
+
+	if err != nil {
+
+		// change the disabled flag on token provider to true,
+		// when error is request timeout error.
+		if requestFailureError, ok := err.(awserr.RequestFailure); ok {
+			switch requestFailureError.StatusCode() {
+			case http.StatusForbidden, http.StatusNotFound, http.StatusMethodNotAllowed:
+				atomic.StoreUint32(&t.disabled, 1)
+			case http.StatusBadRequest:
+				r.Error = requestFailureError
+			}
+
+			// Check if request timed out while waiting for response
+			if e, ok := requestFailureError.OrigErr().(awserr.Error); ok {
+				if e.Code() == request.ErrCodeRequestError {
+					atomic.StoreUint32(&t.disabled, 1)
+				}
+			}
+		}
+		return
+	}
+
+	newToken := ec2Token{
+		token: output.Token,
+	}
+	newToken.SetExpiration(time.Now().Add(output.TTL), ttlExpirationWindow)
+	t.token.Store(newToken)
+
+	// Inject token header to the request.
+	if ec2Token, ok := t.token.Load().(ec2Token); ok {
+		r.HTTPRequest.Header.Set(tokenHeader, ec2Token.token)
+	}
+}
+
+// enableTokenProviderHandler enables the token provider
+func (t *tokenProvider) enableTokenProviderHandler(r *request.Request) {
+	// If the error code status is 401, we enable the token provider
+	if e, ok := r.Error.(awserr.RequestFailure); ok && e != nil &&
+		e.StatusCode() == http.StatusUnauthorized {
+		atomic.StoreUint32(&t.disabled, 0)
+	}
+}

vendor/github.com/aws/aws-sdk-go/aws/endpoints/decode.go

@@ -83,6 +83,7 @@ func decodeV3Endpoints(modelDef modelDefinition, opts DecodeModelOptions) (Resol
 		p := &ps[i]
 		custAddEC2Metadata(p)
 		custAddS3DualStack(p)
+		custRegionalS3(p)
 		custRmIotDataService(p)
 		custFixAppAutoscalingChina(p)
 		custFixAppAutoscalingUsGov(p)
@@ -100,6 +101,33 @@ func custAddS3DualStack(p *partition) {
 	custAddDualstack(p, "s3-control")
 }
 
+func custRegionalS3(p *partition) {
+	if p.ID != "aws" {
+		return
+	}
+
+	service, ok := p.Services["s3"]
+	if !ok {
+		return
+	}
+
+	// If global endpoint already exists no customization needed.
+	if _, ok := service.Endpoints["aws-global"]; ok {
+		return
+	}
+
+	service.PartitionEndpoint = "aws-global"
+	service.Endpoints["us-east-1"] = endpoint{}
+	service.Endpoints["aws-global"] = endpoint{
+		Hostname: "s3.amazonaws.com",
+		CredentialScope: credentialScope{
+			Region: "us-east-1",
+		},
+	}
+
+	p.Services["s3"] = service
+}
+
 func custAddDualstack(p *partition, svcName string) {
 	s, ok := p.Services[svcName]
 	if !ok {

vendor/github.com/aws/aws-sdk-go/aws/endpoints/defaults.go

@@ -169,7 +169,7 @@ var awsPartition = partition{
 				"us-east-1": endpoint{},
 			},
 		},
-		"acm": service{
+		"access-analyzer": service{
 
 			Endpoints: endpoints{
 				"ap-east-1":      endpoint{},
@@ -192,6 +192,59 @@ var awsPartition = partition{
 				"us-west-2":      endpoint{},
 			},
 		},
+		"acm": service{
+
+			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
+				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
+				"ap-south-1":     endpoint{},
+				"ap-southeast-1": endpoint{},
+				"ap-southeast-2": endpoint{},
+				"ca-central-1":   endpoint{},
+				"ca-central-1-fips": endpoint{
+					Hostname: "acm-fips.ca-central-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "ca-central-1",
+					},
+				},
+				"eu-central-1": endpoint{},
+				"eu-north-1":   endpoint{},
+				"eu-west-1":    endpoint{},
+				"eu-west-2":    endpoint{},
+				"eu-west-3":    endpoint{},
+				"me-south-1":   endpoint{},
+				"sa-east-1":    endpoint{},
+				"us-east-1":    endpoint{},
+				"us-east-1-fips": endpoint{
+					Hostname: "acm-fips.us-east-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-east-1",
+					},
+				},
+				"us-east-2": endpoint{},
+				"us-east-2-fips": endpoint{
+					Hostname: "acm-fips.us-east-2.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-east-2",
+					},
+				},
+				"us-west-1": endpoint{},
+				"us-west-1-fips": endpoint{
+					Hostname: "acm-fips.us-west-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-west-1",
+					},
+				},
+				"us-west-2": endpoint{},
+				"us-west-2-fips": endpoint{
+					Hostname: "acm-fips.us-west-2.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-west-2",
+					},
+				},
+			},
+		},
 		"acm-pca": service{
 			Defaults: endpoint{
 				Protocols: []string{"https"},
@@ -209,12 +262,42 @@ var awsPartition = partition{
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
-				"me-south-1":     endpoint{},
-				"sa-east-1":      endpoint{},
-				"us-east-1":      endpoint{},
-				"us-east-2":      endpoint{},
-				"us-west-1":      endpoint{},
-				"us-west-2":      endpoint{},
+				"fips-ca-central-1": endpoint{
+					Hostname: "acm-pca-fips.ca-central-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "ca-central-1",
+					},
+				},
+				"fips-us-east-1": endpoint{
+					Hostname: "acm-pca-fips.us-east-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-east-1",
+					},
+				},
+				"fips-us-east-2": endpoint{
+					Hostname: "acm-pca-fips.us-east-2.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-east-2",
+					},
+				},
+				"fips-us-west-1": endpoint{
+					Hostname: "acm-pca-fips.us-west-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-west-1",
+					},
+				},
+				"fips-us-west-2": endpoint{
+					Hostname: "acm-pca-fips.us-west-2.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-west-2",
+					},
+				},
+				"me-south-1": endpoint{},
+				"sa-east-1":  endpoint{},
+				"us-east-1":  endpoint{},
+				"us-east-2":  endpoint{},
+				"us-west-1":  endpoint{},
+				"us-west-2":  endpoint{},
 			},
 		},
 		"api.ecr": service{
@@ -425,11 +508,7 @@ var awsPartition = partition{
 		},
 		"application-autoscaling": service{
 			Defaults: endpoint{
-				Hostname:  "autoscaling.{region}.amazonaws.com",
 				Protocols: []string{"http", "https"},
-				CredentialScope: credentialScope{
-					Service: "application-autoscaling",
-				},
 			},
 			Endpoints: endpoints{
 				"ap-east-1":      endpoint{},
@@ -462,9 +541,12 @@ var awsPartition = partition{
 				"ap-southeast-2": endpoint{},
 				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
+				"me-south-1":     endpoint{},
+				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
 				"us-west-1":      endpoint{},
@@ -527,6 +609,7 @@ var awsPartition = partition{
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
 				"me-south-1":     endpoint{},
+				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
 				"us-west-1":      endpoint{},
@@ -560,11 +643,7 @@ var awsPartition = partition{
 		},
 		"autoscaling-plans": service{
 			Defaults: endpoint{
-				Hostname:  "autoscaling.{region}.amazonaws.com",
 				Protocols: []string{"http", "https"},
-				CredentialScope: credentialScope{
-					Service: "autoscaling-plans",
-				},
 			},
 			Endpoints: endpoints{
 				"ap-northeast-1": endpoint{},
@@ -675,9 +754,15 @@ var awsPartition = partition{
 
 			Endpoints: endpoints{
 				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
+				"ap-south-1":     endpoint{},
 				"ap-southeast-1": endpoint{},
+				"ap-southeast-2": endpoint{},
+				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
+				"eu-west-2":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
 				"us-west-2":      endpoint{},
@@ -864,6 +949,7 @@ var awsPartition = partition{
 		"codecommit": service{
 
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
@@ -1029,6 +1115,9 @@ var awsPartition = partition{
 				Protocols: []string{"https"},
 			},
 			Endpoints: endpoints{
+				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
+				"ap-south-1":     endpoint{},
 				"ap-southeast-1": endpoint{},
 				"ap-southeast-2": endpoint{},
 				"ca-central-1":   endpoint{},
@@ -1079,8 +1168,10 @@ var awsPartition = partition{
 
 			Endpoints: endpoints{
 				"ap-northeast-1": endpoint{},
+				"ap-southeast-1": endpoint{},
 				"ap-southeast-2": endpoint{},
 				"eu-central-1":   endpoint{},
+				"eu-west-2":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-west-2":      endpoint{},
 			},
@@ -1104,6 +1195,22 @@ var awsPartition = partition{
 				"us-west-2":      endpoint{},
 			},
 		},
+		"dataexchange": service{
+
+			Endpoints: endpoints{
+				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
+				"ap-southeast-1": endpoint{},
+				"ap-southeast-2": endpoint{},
+				"eu-central-1":   endpoint{},
+				"eu-west-1":      endpoint{},
+				"eu-west-2":      endpoint{},
+				"us-east-1":      endpoint{},
+				"us-east-2":      endpoint{},
+				"us-west-1":      endpoint{},
+				"us-west-2":      endpoint{},
+			},
+		},
 		"datapipeline": service{
 
 			Endpoints: endpoints{
@@ -1117,12 +1224,15 @@ var awsPartition = partition{
 		"datasync": service{
 
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
+				"ap-south-1":     endpoint{},
 				"ap-southeast-1": endpoint{},
 				"ap-southeast-2": endpoint{},
 				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
@@ -1151,6 +1261,7 @@ var awsPartition = partition{
 					},
 				},
 				"me-south-1": endpoint{},
+				"sa-east-1":  endpoint{},
 				"us-east-1":  endpoint{},
 				"us-east-2":  endpoint{},
 				"us-west-1":  endpoint{},
@@ -1166,6 +1277,8 @@ var awsPartition = partition{
 				"ap-southeast-2": endpoint{},
 				"eu-central-1":   endpoint{},
 				"eu-west-1":      endpoint{},
+				"eu-west-2":      endpoint{},
+				"eu-west-3":      endpoint{},
 				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
@@ -1205,7 +1318,8 @@ var awsPartition = partition{
 		"discovery": service{
 
 			Endpoints: endpoints{
-				"us-west-2": endpoint{},
+				"eu-central-1": endpoint{},
+				"us-west-2":    endpoint{},
 			},
 		},
 		"dms": service{
@@ -1264,6 +1378,12 @@ var awsPartition = partition{
 						Region: "ap-southeast-2",
 					},
 				},
+				"ca-central-1": endpoint{
+					Hostname: "rds.ca-central-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "ca-central-1",
+					},
+				},
 				"eu-central-1": endpoint{
 					Hostname: "rds.eu-central-1.amazonaws.com",
 					CredentialScope: credentialScope{
@@ -1322,6 +1442,7 @@ var awsPartition = partition{
 				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
+				"eu-west-3":      endpoint{},
 				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
@@ -1505,6 +1626,7 @@ var awsPartition = partition{
 		"elasticfilesystem": service{
 
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
@@ -1512,9 +1634,12 @@ var awsPartition = partition{
 				"ap-southeast-2": endpoint{},
 				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
+				"me-south-1":     endpoint{},
+				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
 				"us-west-1":      endpoint{},
@@ -1692,11 +1817,16 @@ var awsPartition = partition{
 			Endpoints: endpoints{
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
+				"ap-south-1":     endpoint{},
 				"ap-southeast-1": endpoint{},
 				"ap-southeast-2": endpoint{},
+				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
+				"eu-west-3":      endpoint{},
+				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
 				"us-west-1":      endpoint{},
@@ -1707,6 +1837,7 @@ var awsPartition = partition{
 
 			Endpoints: endpoints{
 				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
 				"ap-southeast-1": endpoint{},
 				"eu-west-1":      endpoint{},
 				"us-east-1":      endpoint{},
@@ -1830,8 +1961,10 @@ var awsPartition = partition{
 		"groundstation": service{
 
 			Endpoints: endpoints{
-				"us-east-2": endpoint{},
-				"us-west-2": endpoint{},
+				"eu-north-1": endpoint{},
+				"me-south-1": endpoint{},
+				"us-east-2":  endpoint{},
+				"us-west-2":  endpoint{},
 			},
 		},
 		"guardduty": service{
@@ -2053,6 +2186,29 @@ var awsPartition = partition{
 				},
 			},
 		},
+		"iotsecuredtunneling": service{
+
+			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
+				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
+				"ap-south-1":     endpoint{},
+				"ap-southeast-1": endpoint{},
+				"ap-southeast-2": endpoint{},
+				"ca-central-1":   endpoint{},
+				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
+				"eu-west-1":      endpoint{},
+				"eu-west-2":      endpoint{},
+				"eu-west-3":      endpoint{},
+				"me-south-1":     endpoint{},
+				"sa-east-1":      endpoint{},
+				"us-east-1":      endpoint{},
+				"us-east-2":      endpoint{},
+				"us-west-1":      endpoint{},
+				"us-west-2":      endpoint{},
+			},
+		},
 		"iotthingsgraph": service{
 			Defaults: endpoint{
 				CredentialScope: credentialScope{
@@ -2083,6 +2239,7 @@ var awsPartition = partition{
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
+				"me-south-1":     endpoint{},
 				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
@@ -2116,16 +2273,20 @@ var awsPartition = partition{
 		"kinesisanalytics": service{
 
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
 				"ap-southeast-1": endpoint{},
 				"ap-southeast-2": endpoint{},
+				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
 				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
+				"me-south-1":     endpoint{},
+				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
 				"us-west-2":      endpoint{},
@@ -2134,11 +2295,20 @@ var awsPartition = partition{
 		"kinesisvideo": service{
 
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
+				"ap-south-1":     endpoint{},
+				"ap-southeast-1": endpoint{},
 				"ap-southeast-2": endpoint{},
+				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
 				"eu-west-1":      endpoint{},
+				"eu-west-2":      endpoint{},
+				"eu-west-3":      endpoint{},
+				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
+				"us-east-2":      endpoint{},
 				"us-west-2":      endpoint{},
 			},
 		},
@@ -2169,12 +2339,17 @@ var awsPartition = partition{
 
 			Endpoints: endpoints{
 				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
 				"ap-southeast-1": endpoint{},
 				"ap-southeast-2": endpoint{},
+				"ca-central-1":   endpoint{},
+				"eu-central-1":   endpoint{},
 				"eu-west-1":      endpoint{},
+				"eu-west-2":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
+				"us-west-1":      endpoint{},
 				"us-west-2":      endpoint{},
 			},
 		},
@@ -2272,6 +2447,12 @@ var awsPartition = partition{
 				"us-east-1": endpoint{},
 			},
 		},
+		"managedblockchain": service{
+
+			Endpoints: endpoints{
+				"us-east-1": endpoint{},
+			},
+		},
 		"marketplacecommerceanalytics": service{
 
 			Endpoints: endpoints{
@@ -2281,6 +2462,7 @@ var awsPartition = partition{
 		"mediaconnect": service{
 
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
@@ -2398,7 +2580,8 @@ var awsPartition = partition{
 		"mgh": service{
 
 			Endpoints: endpoints{
-				"us-west-2": endpoint{},
+				"eu-central-1": endpoint{},
+				"us-west-2":    endpoint{},
 			},
 		},
 		"mobileanalytics": service{
@@ -2414,9 +2597,10 @@ var awsPartition = partition{
 				},
 			},
 			Endpoints: endpoints{
-				"eu-west-1": endpoint{},
-				"us-east-1": endpoint{},
-				"us-west-2": endpoint{},
+				"ap-southeast-2": endpoint{},
+				"eu-west-1":      endpoint{},
+				"us-east-1":      endpoint{},
+				"us-west-2":      endpoint{},
 			},
 		},
 		"monitoring": service{
@@ -2447,6 +2631,7 @@ var awsPartition = partition{
 		"mq": service{
 
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
@@ -2454,6 +2639,7 @@ var awsPartition = partition{
 				"ap-southeast-2": endpoint{},
 				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
@@ -2481,10 +2667,12 @@ var awsPartition = partition{
 						Region: "us-west-2",
 					},
 				},
-				"us-east-1": endpoint{},
-				"us-east-2": endpoint{},
-				"us-west-1": endpoint{},
-				"us-west-2": endpoint{},
+				"me-south-1": endpoint{},
+				"sa-east-1":  endpoint{},
+				"us-east-1":  endpoint{},
+				"us-east-2":  endpoint{},
+				"us-west-1":  endpoint{},
+				"us-west-2":  endpoint{},
 			},
 		},
 		"mturk-requester": service{
@@ -2692,6 +2880,27 @@ var awsPartition = partition{
 				},
 			},
 		},
+		"outposts": service{
+
+			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
+				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
+				"ap-southeast-1": endpoint{},
+				"ap-southeast-2": endpoint{},
+				"ca-central-1":   endpoint{},
+				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
+				"eu-west-1":      endpoint{},
+				"eu-west-2":      endpoint{},
+				"eu-west-3":      endpoint{},
+				"me-south-1":     endpoint{},
+				"us-east-1":      endpoint{},
+				"us-east-2":      endpoint{},
+				"us-west-1":      endpoint{},
+				"us-west-2":      endpoint{},
+			},
+		},
 		"pinpoint": service{
 			Defaults: endpoint{
 				CredentialScope: credentialScope{
@@ -2703,13 +2912,36 @@ var awsPartition = partition{
 				"ap-southeast-2": endpoint{},
 				"eu-central-1":   endpoint{},
 				"eu-west-1":      endpoint{},
-				"us-east-1":      endpoint{},
-				"us-west-2":      endpoint{},
+				"fips-us-east-1": endpoint{
+					Hostname: "pinpoint-fips.us-east-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-east-1",
+					},
+				},
+				"fips-us-west-2": endpoint{
+					Hostname: "pinpoint-fips.us-west-2.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-west-2",
+					},
+				},
+				"us-east-1": endpoint{
+					Hostname: "pinpoint.us-east-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-east-1",
+					},
+				},
+				"us-west-2": endpoint{
+					Hostname: "pinpoint.us-west-2.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-west-2",
+					},
+				},
 			},
 		},
 		"polly": service{
 
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
@@ -2721,6 +2953,7 @@ var awsPartition = partition{
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
+				"me-south-1":     endpoint{},
 				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
@@ -2803,6 +3036,10 @@ var awsPartition = partition{
 
 			Endpoints: endpoints{
 				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
+				"ap-southeast-1": endpoint{},
+				"ap-southeast-2": endpoint{},
+				"eu-central-1":   endpoint{},
 				"eu-west-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
@@ -2812,6 +3049,7 @@ var awsPartition = partition{
 		"ram": service{
 
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
@@ -2823,6 +3061,8 @@ var awsPartition = partition{
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
+				"me-south-1":     endpoint{},
+				"sa-east-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
 				"us-west-1":      endpoint{},
@@ -2977,6 +3217,7 @@ var awsPartition = partition{
 				Protocols: []string{"https"},
 			},
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
@@ -2984,6 +3225,7 @@ var awsPartition = partition{
 				"ap-southeast-2": endpoint{},
 				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
 				"eu-west-2":      endpoint{},
 				"eu-west-3":      endpoint{},
@@ -3000,9 +3242,10 @@ var awsPartition = partition{
 				},
 			},
 			Endpoints: endpoints{
-				"eu-west-1": endpoint{},
-				"us-east-1": endpoint{},
-				"us-west-2": endpoint{},
+				"ap-southeast-2": endpoint{},
+				"eu-west-1":      endpoint{},
+				"us-east-1":      endpoint{},
+				"us-west-2":      endpoint{},
 			},
 		},
 		"runtime.sagemaker": service{
@@ -3053,7 +3296,7 @@ var awsPartition = partition{
 			},
 		},
 		"s3": service{
-			PartitionEndpoint: "us-east-1",
+			PartitionEndpoint: "aws-global",
 			IsRegionalized:    boxedTrue,
 			Defaults: endpoint{
 				Protocols:         []string{"http", "https"},
@@ -3078,6 +3321,13 @@ var awsPartition = partition{
 					Hostname:          "s3.ap-southeast-2.amazonaws.com",
 					SignatureVersions: []string{"s3", "s3v4"},
 				},
+				"aws-global": endpoint{
+					Hostname:          "s3.amazonaws.com",
+					SignatureVersions: []string{"s3", "s3v4"},
+					CredentialScope: credentialScope{
+						Region: "us-east-1",
+					},
+				},
 				"ca-central-1": endpoint{},
 				"eu-central-1": endpoint{},
 				"eu-north-1":   endpoint{},
@@ -3100,7 +3350,7 @@ var awsPartition = partition{
 					SignatureVersions: []string{"s3", "s3v4"},
 				},
 				"us-east-1": endpoint{
-					Hostname:          "s3.amazonaws.com",
+					Hostname:          "s3.us-east-1.amazonaws.com",
 					SignatureVersions: []string{"s3", "s3v4"},
 				},
 				"us-east-2": endpoint{},
@@ -3278,6 +3528,16 @@ var awsPartition = partition{
 				},
 			},
 		},
+		"schemas": service{
+
+			Endpoints: endpoints{
+				"ap-northeast-1": endpoint{},
+				"eu-west-1":      endpoint{},
+				"us-east-1":      endpoint{},
+				"us-east-2":      endpoint{},
+				"us-west-2":      endpoint{},
+			},
+		},
 		"sdb": service{
 			Defaults: endpoint{
 				Protocols:         []string{"http", "https"},
@@ -3499,6 +3759,10 @@ var awsPartition = partition{
 
 			Endpoints: endpoints{
 				"ap-northeast-1": endpoint{},
+				"ap-northeast-2": endpoint{},
+				"ap-southeast-1": endpoint{},
+				"ap-southeast-2": endpoint{},
+				"eu-central-1":   endpoint{},
 				"eu-west-1":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-2":      endpoint{},
@@ -3886,6 +4150,7 @@ var awsPartition = partition{
 			},
 			Endpoints: endpoints{
 				"ap-east-1":      endpoint{},
+				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
 				"ap-southeast-1": endpoint{},
@@ -3940,13 +4205,18 @@ var awsPartition = partition{
 				Protocols: []string{"https"},
 			},
 			Endpoints: endpoints{
+				"ap-east-1":      endpoint{},
 				"ap-northeast-1": endpoint{},
 				"ap-northeast-2": endpoint{},
 				"ap-south-1":     endpoint{},
 				"ap-southeast-1": endpoint{},
+				"ap-southeast-2": endpoint{},
 				"ca-central-1":   endpoint{},
 				"eu-central-1":   endpoint{},
+				"eu-north-1":     endpoint{},
 				"eu-west-1":      endpoint{},
+				"eu-west-2":      endpoint{},
+				"eu-west-3":      endpoint{},
 				"us-east-1":      endpoint{},
 				"us-east-1-fips": endpoint{
 					Hostname: "translate-fips.us-east-1.amazonaws.com",
@@ -3961,6 +4231,7 @@ var awsPartition = partition{
 						Region: "us-east-2",
 					},
 				},
+				"us-west-1": endpoint{},
 				"us-west-2": endpoint{},
 				"us-west-2-fips": endpoint{
 					Hostname: "translate-fips.us-west-2.amazonaws.com",
@@ -4122,17 +4393,25 @@ var awscnPartition = partition{
 		},
 		"application-autoscaling": service{
 			Defaults: endpoint{
-				Hostname:  "autoscaling.{region}.amazonaws.com.cn",
 				Protocols: []string{"http", "https"},
-				CredentialScope: credentialScope{
-					Service: "application-autoscaling",
-				},
 			},
 			Endpoints: endpoints{
 				"cn-north-1":     endpoint{},
 				"cn-northwest-1": endpoint{},
 			},
 		},
+		"appsync": service{
+
+			Endpoints: endpoints{
+				"cn-north-1": endpoint{},
+			},
+		},
+		"athena": service{
+
+			Endpoints: endpoints{
+				"cn-northwest-1": endpoint{},
+			},
+		},
 		"autoscaling": service{
 			Defaults: endpoint{
 				Protocols: []string{"http", "https"},
@@ -4142,6 +4421,13 @@ var awscnPartition = partition{
 				"cn-northwest-1": endpoint{},
 			},
 		},
+		"backup": service{
+
+			Endpoints: endpoints{
+				"cn-north-1":     endpoint{},
+				"cn-northwest-1": endpoint{},
+			},
+		},
 		"batch": service{
 
 			Endpoints: endpoints{
@@ -4204,6 +4490,12 @@ var awscnPartition = partition{
 				"cn-northwest-1": endpoint{},
 			},
 		},
+		"dax": service{
+
+			Endpoints: endpoints{
+				"cn-northwest-1": endpoint{},
+			},
+		},
 		"directconnect": service{
 
 			Endpoints: endpoints{
@@ -4275,6 +4567,13 @@ var awscnPartition = partition{
 				"cn-northwest-1": endpoint{},
 			},
 		},
+		"elasticfilesystem": service{
+
+			Endpoints: endpoints{
+				"cn-north-1":     endpoint{},
+				"cn-northwest-1": endpoint{},
+			},
+		},
 		"elasticloadbalancing": service{
 			Defaults: endpoint{
 				Protocols: []string{"https"},
@@ -4344,6 +4643,13 @@ var awscnPartition = partition{
 				"cn-north-1": endpoint{},
 			},
 		},
+		"health": service{
+
+			Endpoints: endpoints{
+				"cn-north-1":     endpoint{},
+				"cn-northwest-1": endpoint{},
+			},
+		},
 		"iam": service{
 			PartitionEndpoint: "aws-cn-global",
 			IsRegionalized:    boxedFalse,
@@ -4423,6 +4729,17 @@ var awscnPartition = partition{
 				"cn-northwest-1": endpoint{},
 			},
 		},
+		"neptune": service{
+
+			Endpoints: endpoints{
+				"cn-northwest-1": endpoint{
+					Hostname: "rds.cn-northwest-1.amazonaws.com.cn",
+					CredentialScope: credentialScope{
+						Region: "cn-northwest-1",
+					},
+				},
+			},
+		},
 		"polly": service{
 
 			Endpoints: endpoints{
@@ -4475,6 +4792,26 @@ var awscnPartition = partition{
 				},
 			},
 		},
+		"secretsmanager": service{
+
+			Endpoints: endpoints{
+				"cn-north-1":     endpoint{},
+				"cn-northwest-1": endpoint{},
+			},
+		},
+		"serverlessrepo": service{
+			Defaults: endpoint{
+				Protocols: []string{"https"},
+			},
+			Endpoints: endpoints{
+				"cn-north-1": endpoint{
+					Protocols: []string{"https"},
+				},
+				"cn-northwest-1": endpoint{
+					Protocols: []string{"https"},
+				},
+			},
+		},
 		"sms": service{
 
 			Endpoints: endpoints{
@@ -4524,7 +4861,8 @@ var awscnPartition = partition{
 		"storagegateway": service{
 
 			Endpoints: endpoints{
-				"cn-north-1": endpoint{},
+				"cn-north-1":     endpoint{},
+				"cn-northwest-1": endpoint{},
 			},
 		},
 		"streams.dynamodb": service{
@@ -4591,6 +4929,19 @@ var awscnPartition = partition{
 				},
 			},
 		},
+		"workspaces": service{
+
+			Endpoints: endpoints{
+				"cn-northwest-1": endpoint{},
+			},
+		},
+		"xray": service{
+
+			Endpoints: endpoints{
+				"cn-north-1":     endpoint{},
+				"cn-northwest-1": endpoint{},
+			},
+		},
 	},
 }
 
@@ -4623,6 +4974,13 @@ var awsusgovPartition = partition{
 		},
 	},
 	Services: services{
+		"access-analyzer": service{
+
+			Endpoints: endpoints{
+				"us-gov-east-1": endpoint{},
+				"us-gov-west-1": endpoint{},
+			},
+		},
 		"acm": service{
 
 			Endpoints: endpoints{
@@ -4671,7 +5029,8 @@ var awsusgovPartition = partition{
 		},
 		"application-autoscaling": service{
 			Defaults: endpoint{
-				Hostname: "autoscaling.{region}.amazonaws.com",
+				Hostname:  "autoscaling.{region}.amazonaws.com",
+				Protocols: []string{"http", "https"},
 				CredentialScope: credentialScope{
 					Service: "application-autoscaling",
 				},
@@ -4714,6 +5073,22 @@ var awsusgovPartition = partition{
 				},
 			},
 		},
+		"autoscaling-plans": service{
+			Defaults: endpoint{
+				Protocols: []string{"http", "https"},
+			},
+			Endpoints: endpoints{
+				"us-gov-east-1": endpoint{},
+				"us-gov-west-1": endpoint{},
+			},
+		},
+		"batch": service{
+
+			Endpoints: endpoints{
+				"us-gov-east-1": endpoint{},
+				"us-gov-west-1": endpoint{},
+			},
+		},
 		"clouddirectory": service{
 
 			Endpoints: endpoints{
@@ -4792,6 +5167,12 @@ var awsusgovPartition = partition{
 				"us-gov-west-1": endpoint{},
 			},
 		},
+		"comprehendmedical": service{
+
+			Endpoints: endpoints{
+				"us-gov-west-1": endpoint{},
+			},
+		},
 		"config": service{
 
 			Endpoints: endpoints{
@@ -4808,6 +5189,7 @@ var awsusgovPartition = partition{
 						Region: "us-gov-west-1",
 					},
 				},
+				"us-gov-east-1": endpoint{},
 				"us-gov-west-1": endpoint{},
 			},
 		},
@@ -4899,6 +5281,7 @@ var awsusgovPartition = partition{
 		"elasticfilesystem": service{
 
 			Endpoints: endpoints{
+				"us-gov-east-1": endpoint{},
 				"us-gov-west-1": endpoint{},
 			},
 		},
@@ -5374,6 +5757,18 @@ var awsusgovPartition = partition{
 				"us-gov-west-1": endpoint{},
 			},
 		},
+		"support": service{
+			PartitionEndpoint: "aws-us-gov-global",
+
+			Endpoints: endpoints{
+				"aws-us-gov-global": endpoint{
+					Hostname: "support.us-gov-west-1.amazonaws.com",
+					CredentialScope: credentialScope{
+						Region: "us-gov-west-1",
+					},
+				},
+			},
+		},
 		"swf": service{
 
 			Endpoints: endpoints{
@@ -5393,6 +5788,7 @@ var awsusgovPartition = partition{
 				Protocols: []string{"https"},
 			},
 			Endpoints: endpoints{
+				"us-gov-east-1": endpoint{},
 				"us-gov-west-1": endpoint{},
 			},
 		},
@@ -5476,11 +5872,7 @@ var awsisoPartition = partition{
 		},
 		"application-autoscaling": service{
 			Defaults: endpoint{
-				Hostname:  "autoscaling.{region}.amazonaws.com",
 				Protocols: []string{"http", "https"},
-				CredentialScope: credentialScope{
-					Service: "application-autoscaling",
-				},
 			},
 			Endpoints: endpoints{
 				"us-iso-east-1": endpoint{},
@@ -5808,11 +6200,7 @@ var awsisobPartition = partition{
 	Services: services{
 		"application-autoscaling": service{
 			Defaults: endpoint{
-				Hostname:  "autoscaling.{region}.amazonaws.com",
 				Protocols: []string{"http", "https"},
-				CredentialScope: credentialScope{
-					Service: "application-autoscaling",
-				},
 			},
 			Endpoints: endpoints{
 				"us-isob-east-1": endpoint{},

vendor/github.com/aws/aws-sdk-go/aws/endpoints/endpoints.go

@@ -50,12 +50,28 @@ type Options struct {
 
 	// STS Regional Endpoint flag helps with resolving the STS endpoint
 	STSRegionalEndpoint STSRegionalEndpoint
+
+	// S3 Regional Endpoint flag helps with resolving the S3 endpoint
+	S3UsEast1RegionalEndpoint S3UsEast1RegionalEndpoint
 }
 
-// STSRegionalEndpoint is an enum type alias for int
-// It is used internally by the core sdk as STS Regional Endpoint flag value
+// STSRegionalEndpoint is an enum for the states of the STS Regional Endpoint
+// options.
 type STSRegionalEndpoint int
 
+func (e STSRegionalEndpoint) String() string {
+	switch e {
+	case LegacySTSEndpoint:
+		return "legacy"
+	case RegionalSTSEndpoint:
+		return "regional"
+	case UnsetSTSEndpoint:
+		return ""
+	default:
+		return "unknown"
+	}
+}
+
 const (
 
 	// UnsetSTSEndpoint represents that STS Regional Endpoint flag is not specified.
@@ -86,6 +102,55 @@ func GetSTSRegionalEndpoint(s string) (STSRegionalEndpoint, error) {
 	}
 }
 
+// S3UsEast1RegionalEndpoint is an enum for the states of the S3 us-east-1
+// Regional Endpoint options.
+type S3UsEast1RegionalEndpoint int
+
+func (e S3UsEast1RegionalEndpoint) String() string {
+	switch e {
+	case LegacyS3UsEast1Endpoint:
+		return "legacy"
+	case RegionalS3UsEast1Endpoint:
+		return "regional"
+	case UnsetS3UsEast1Endpoint:
+		return ""
+	default:
+		return "unknown"
+	}
+}
+
+const (
+
+	// UnsetS3UsEast1Endpoint represents that S3 Regional Endpoint flag is not
+	// specified.
+	UnsetS3UsEast1Endpoint S3UsEast1RegionalEndpoint = iota
+
+	// LegacyS3UsEast1Endpoint represents when S3 Regional Endpoint flag is
+	// specified to use legacy endpoints.
+	LegacyS3UsEast1Endpoint
+
+	// RegionalS3UsEast1Endpoint represents when S3 Regional Endpoint flag is
+	// specified to use regional endpoints.
+	RegionalS3UsEast1Endpoint
+)
+
+// GetS3UsEast1RegionalEndpoint function returns the S3UsEast1RegionalEndpointFlag based
+// on the input string provided in env config or shared config by the user.
+//
+// `legacy`, `regional` are the only case-insensitive valid strings for
+// resolving the S3 regional Endpoint flag.
+func GetS3UsEast1RegionalEndpoint(s string) (S3UsEast1RegionalEndpoint, error) {
+	switch {
+	case strings.EqualFold(s, "legacy"):
+		return LegacyS3UsEast1Endpoint, nil
+	case strings.EqualFold(s, "regional"):
+		return RegionalS3UsEast1Endpoint, nil
+	default:
+		return UnsetS3UsEast1Endpoint,
+			fmt.Errorf("unable to resolve the value of S3UsEast1RegionalEndpoint for %v", s)
+	}
+}
+
 // Set combines all of the option functions together.
 func (o *Options) Set(optFns ...func(*Options)) {
 	for _, fn := range optFns {
@@ -252,7 +317,7 @@ func (p Partition) EndpointFor(service, region string, opts ...func(*Options)) (
 // Regions returns a map of Regions indexed by their ID. This is useful for
 // enumerating over the regions in a partition.
 func (p Partition) Regions() map[string]Region {
-	rs := map[string]Region{}
+	rs := make(map[string]Region, len(p.p.Regions))
 	for id, r := range p.p.Regions {
 		rs[id] = Region{
 			id:   id,
@@ -267,7 +332,7 @@ func (p Partition) Regions() map[string]Region {
 // Services returns a map of Service indexed by their ID. This is useful for
 // enumerating over the services in a partition.
 func (p Partition) Services() map[string]Service {
-	ss := map[string]Service{}
+	ss := make(map[string]Service, len(p.p.Services))
 	for id := range p.p.Services {
 		ss[id] = Service{
 			id: id,
@@ -354,7 +419,7 @@ func (s Service) Regions() map[string]Region {
 // A region is the AWS region the service exists in. Whereas a Endpoint is
 // an URL that can be resolved to a instance of a service.
 func (s Service) Endpoints() map[string]Endpoint {
-	es := map[string]Endpoint{}
+	es := make(map[string]Endpoint, len(s.p.Services[s.id].Endpoints))
 	for id := range s.p.Services[s.id].Endpoints {
 		es[id] = Endpoint{
 			id:        id,

vendor/github.com/aws/aws-sdk-go/aws/endpoints/legacy_regions.go

@@ -0,0 +1,24 @@
+package endpoints
+
+var legacyGlobalRegions = map[string]map[string]struct{}{
+	"sts": {
+		"ap-northeast-1": {},
+		"ap-south-1":     {},
+		"ap-southeast-1": {},
+		"ap-southeast-2": {},
+		"ca-central-1":   {},
+		"eu-central-1":   {},
+		"eu-north-1":     {},
+		"eu-west-1":      {},
+		"eu-west-2":      {},
+		"eu-west-3":      {},
+		"sa-east-1":      {},
+		"us-east-1":      {},
+		"us-east-2":      {},
+		"us-west-1":      {},
+		"us-west-2":      {},
+	},
+	"s3": {
+		"us-east-1": {},
+	},
+}

vendor/github.com/aws/aws-sdk-go/aws/endpoints/sts_legacy_regions.go

@@ -1,19 +0,0 @@
-package endpoints
-
-var stsLegacyGlobalRegions = map[string]struct{}{
-	"ap-northeast-1": {},
-	"ap-south-1":     {},
-	"ap-southeast-1": {},
-	"ap-southeast-2": {},
-	"ca-central-1":   {},
-	"eu-central-1":   {},
-	"eu-north-1":     {},
-	"eu-west-1":      {},
-	"eu-west-2":      {},
-	"eu-west-3":      {},
-	"sa-east-1":      {},
-	"us-east-1":      {},
-	"us-east-2":      {},
-	"us-west-1":      {},
-	"us-west-2":      {},
-}

vendor/github.com/aws/aws-sdk-go/aws/endpoints/v3model.go

@@ -110,8 +110,9 @@ func (p partition) EndpointFor(service, region string, opts ...func(*Options)) (
 		region = s.PartitionEndpoint
 	}
 
-	if service == "sts" && opt.STSRegionalEndpoint != RegionalSTSEndpoint {
-		if _, ok := stsLegacyGlobalRegions[region]; ok {
+	if (service == "sts" && opt.STSRegionalEndpoint != RegionalSTSEndpoint) ||
+		(service == "s3" && opt.S3UsEast1RegionalEndpoint != RegionalS3UsEast1Endpoint) {
+		if _, ok := legacyGlobalRegions[service][region]; ok {
 			region = "aws-global"
 		}
 	}
@@ -240,20 +241,6 @@ func (e endpoint) resolve(service, partitionID, region, dnsSuffix string, defs [
 	merged.mergeIn(e)
 	e = merged
 
-	hostname := e.Hostname
-
-	// Offset the hostname for dualstack if enabled
-	if opts.UseDualStack && e.HasDualStack == boxedTrue {
-		hostname = e.DualStackHostname
-	}
-
-	u := strings.Replace(hostname, "{service}", service, 1)
-	u = strings.Replace(u, "{region}", region, 1)
-	u = strings.Replace(u, "{dnsSuffix}", dnsSuffix, 1)
-
-	scheme := getEndpointScheme(e.Protocols, opts.DisableSSL)
-	u = fmt.Sprintf("%s://%s", scheme, u)
-
 	signingRegion := e.CredentialScope.Region
 	if len(signingRegion) == 0 {
 		signingRegion = region
@@ -266,6 +253,20 @@ func (e endpoint) resolve(service, partitionID, region, dnsSuffix string, defs [
 		signingNameDerived = true
 	}
 
+	hostname := e.Hostname
+	// Offset the hostname for dualstack if enabled
+	if opts.UseDualStack && e.HasDualStack == boxedTrue {
+		hostname = e.DualStackHostname
+		region = signingRegion
+	}
+
+	u := strings.Replace(hostname, "{service}", service, 1)
+	u = strings.Replace(u, "{region}", region, 1)
+	u = strings.Replace(u, "{dnsSuffix}", dnsSuffix, 1)
+
+	scheme := getEndpointScheme(e.Protocols, opts.DisableSSL)
+	u = fmt.Sprintf("%s://%s", scheme, u)
+
 	return ResolvedEndpoint{
 		URL:                u,
 		PartitionID:        partitionID,

vendor/github.com/aws/aws-sdk-go/aws/request/handlers.go

@@ -10,6 +10,7 @@ import (
 type Handlers struct {
 	Validate         HandlerList
 	Build            HandlerList
+	BuildStream      HandlerList
 	Sign             HandlerList
 	Send             HandlerList
 	ValidateResponse HandlerList
@@ -28,6 +29,7 @@ func (h *Handlers) Copy() Handlers {
 	return Handlers{
 		Validate:         h.Validate.copy(),
 		Build:            h.Build.copy(),
+		BuildStream:      h.BuildStream.copy(),
 		Sign:             h.Sign.copy(),
 		Send:             h.Send.copy(),
 		ValidateResponse: h.ValidateResponse.copy(),
@@ -46,6 +48,7 @@ func (h *Handlers) Copy() Handlers {
 func (h *Handlers) Clear() {
 	h.Validate.Clear()
 	h.Build.Clear()
+	h.BuildStream.Clear()
 	h.Send.Clear()
 	h.Sign.Clear()
 	h.Unmarshal.Clear()
@@ -67,6 +70,9 @@ func (h *Handlers) IsEmpty() bool {
 	if h.Build.Len() != 0 {
 		return false
 	}
+	if h.BuildStream.Len() != 0 {
+		return false
+	}
 	if h.Send.Len() != 0 {
 		return false
 	}
@@ -320,3 +326,18 @@ func MakeAddToUserAgentFreeFormHandler(s string) func(*Request) {
 		AddToUserAgent(r, s)
 	}
 }
+
+// WithSetRequestHeaders updates the operation request's HTTP header to contain
+// the header key value pairs provided. If the header key already exists in the
+// request's HTTP header set, the existing value(s) will be replaced.
+func WithSetRequestHeaders(h map[string]string) Option {
+	return withRequestHeader(h).SetRequestHeaders
+}
+
+type withRequestHeader map[string]string
+
+func (h withRequestHeader) SetRequestHeaders(r *Request) {
+	for k, v := range h {
+		r.HTTPRequest.Header[k] = []string{v}
+	}
+}

vendor/github.com/aws/aws-sdk-go/aws/request/request.go

@@ -36,6 +36,10 @@ const (
 	// API request that was canceled. Requests given a aws.Context may
 	// return this error when canceled.
 	CanceledErrorCode = "RequestCanceled"
+
+	// ErrCodeRequestError is an error preventing the SDK from continuing to
+	// process the request.
+	ErrCodeRequestError = "RequestError"
 )
 
 // A Request is the service request to be made.
@@ -51,6 +55,7 @@ type Request struct {
 	HTTPRequest            *http.Request
 	HTTPResponse           *http.Response
 	Body                   io.ReadSeeker
+	streamingBody          io.ReadCloser
 	BodyStart              int64 // offset from beginning of Body that the request body starts
 	Params                 interface{}
 	Error                  error
@@ -130,8 +135,6 @@ func New(cfg aws.Config, clientInfo metadata.ClientInfo, handlers Handlers,
 		err = awserr.New("InvalidEndpointURL", "invalid endpoint uri", err)
 	}
 
-	SanitizeHostForHeader(httpReq)
-
 	r := &Request{
 		Config:     cfg,
 		ClientInfo: clientInfo,
@@ -295,6 +298,13 @@ func (r *Request) SetReaderBody(reader io.ReadSeeker) {
 	r.ResetBody()
 }
 
+// SetStreamingBody set the reader to be used for the request that will stream
+// bytes to the server. Request's Body must not be set to any reader.
+func (r *Request) SetStreamingBody(reader io.ReadCloser) {
+	r.streamingBody = reader
+	r.SetReaderBody(aws.ReadSeekCloser(reader))
+}
+
 // Presign returns the request's signed URL. Error will be returned
 // if the signing fails. The expire parameter is only used for presigned Amazon
 // S3 API requests. All other AWS services will use a fixed expiration
@@ -414,11 +424,17 @@ func (r *Request) Sign() error {
 		return r.Error
 	}
 
+	SanitizeHostForHeader(r.HTTPRequest)
+
 	r.Handlers.Sign.Run(r)
 	return r.Error
 }
 
 func (r *Request) getNextRequestBody() (body io.ReadCloser, err error) {
+	if r.streamingBody != nil {
+		return r.streamingBody, nil
+	}
+
 	if r.safeBody != nil {
 		r.safeBody.Close()
 	}
@@ -623,6 +639,10 @@ func getHost(r *http.Request) string {
 		return r.Host
 	}
 
+	if r.URL == nil {
+		return ""
+	}
+
 	return r.URL.Host
 }
 

vendor/github.com/aws/aws-sdk-go/aws/request/request_pagination.go

@@ -17,11 +17,13 @@ import (
 // does the pagination between API operations, and Paginator defines the
 // configuration that will be used per page request.
 //
-//     cont := true
-//     for p.Next() && cont {
+//     for p.Next() {
 //         data := p.Page().(*s3.ListObjectsOutput)
 //         // process the page's data
+//         // ...
+//         // break out of loop to stop fetching additional pages
 //     }
+//
 //     return p.Err()
 //
 // See service client API operation Pages methods for examples how the SDK will

vendor/github.com/aws/aws-sdk-go/aws/request/retryer.go

@@ -75,7 +75,7 @@ func (d noOpRetryer) RetryRules(_ *Request) time.Duration {
 // retryableCodes is a collection of service response codes which are retry-able
 // without any further action.
 var retryableCodes = map[string]struct{}{
-	"RequestError":            {},
+	ErrCodeRequestError:       {},
 	"RequestTimeout":          {},
 	ErrCodeResponseTimeout:    {},
 	"RequestTimeoutException": {}, // Glacier's flavor of RequestTimeout
@@ -83,6 +83,7 @@ var retryableCodes = map[string]struct{}{
 
 var throttleCodes = map[string]struct{}{
 	"ProvisionedThroughputExceededException": {},
+	"ThrottledException":                     {}, // SNS, XRay, ResourceGroupsTagging API
 	"Throttling":                             {},
 	"ThrottlingException":                    {},
 	"RequestLimitExceeded":                   {},
@@ -91,6 +92,7 @@ var throttleCodes = map[string]struct{}{
 	"TooManyRequestsException":               {}, // Lambda functions
 	"PriorRequestNotComplete":                {}, // Route53
 	"TransactionInProgressException":         {},
+	"EC2ThrottledException":                  {}, // EC2
 }
 
 // credsExpiredCodes is a collection of error codes which signify the credentials
@@ -176,8 +178,8 @@ func shouldRetryError(origErr error) bool {
 		origErr := err.OrigErr()
 		var shouldRetry bool
 		if origErr != nil {
-			shouldRetry := shouldRetryError(origErr)
-			if err.Code() == "RequestError" && !shouldRetry {
+			shouldRetry = shouldRetryError(origErr)
+			if err.Code() == ErrCodeRequestError && !shouldRetry {
 				return false
 			}
 		}

vendor/github.com/aws/aws-sdk-go/aws/session/credentials.go

@@ -47,10 +47,10 @@ func resolveCredentials(cfg *aws.Config,
 }
 
 // WebIdentityEmptyRoleARNErr will occur if 'AWS_WEB_IDENTITY_TOKEN_FILE' was set but
-// 'AWS_IAM_ROLE_ARN' was not set.
+// 'AWS_ROLE_ARN' was not set.
 var WebIdentityEmptyRoleARNErr = awserr.New(stscreds.ErrCodeWebIdentity, "role ARN is not set", nil)
 
-// WebIdentityEmptyTokenFilePathErr will occur if 'AWS_IAM_ROLE_ARN' was set but
+// WebIdentityEmptyTokenFilePathErr will occur if 'AWS_ROLE_ARN' was set but
 // 'AWS_WEB_IDENTITY_TOKEN_FILE' was not set.
 var WebIdentityEmptyTokenFilePathErr = awserr.New(stscreds.ErrCodeWebIdentity, "token file path is not set", nil)
 

vendor/github.com/aws/aws-sdk-go/aws/session/env_config.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 	"strconv"
+	"strings"
 
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/credentials"
@@ -128,11 +129,25 @@ type envConfig struct {
 	//  AWS_ROLE_SESSION_NAME=session_name
 	RoleSessionName string
 
-	// Specifies the Regional Endpoint flag for the sdk to resolve the endpoint for a service
+	// Specifies the STS Regional Endpoint flag for the SDK to resolve the endpoint
+	// for a service.
 	//
-	// AWS_STS_REGIONAL_ENDPOINTS =sts_regional_endpoint
+	// AWS_STS_REGIONAL_ENDPOINTS=regional
 	// This can take value as `regional` or `legacy`
 	STSRegionalEndpoint endpoints.STSRegionalEndpoint
+
+	// Specifies the S3 Regional Endpoint flag for the SDK to resolve the
+	// endpoint for a service.
+	//
+	// AWS_S3_US_EAST_1_REGIONAL_ENDPOINT=regional
+	// This can take value as `regional` or `legacy`
+	S3UsEast1RegionalEndpoint endpoints.S3UsEast1RegionalEndpoint
+
+	// Specifies if the S3 service should allow ARNs to direct the region
+	// the client's requests are sent to.
+	//
+	// AWS_S3_USE_ARN_REGION=true
+	S3UseARNRegion bool
 }
 
 var (
@@ -190,6 +205,12 @@ var (
 	stsRegionalEndpointKey = []string{
 		"AWS_STS_REGIONAL_ENDPOINTS",
 	}
+	s3UsEast1RegionalEndpoint = []string{
+		"AWS_S3_US_EAST_1_REGIONAL_ENDPOINT",
+	}
+	s3UseARNRegionEnvKey = []string{
+		"AWS_S3_USE_ARN_REGION",
+	}
 )
 
 // loadEnvConfig retrieves the SDK's environment configuration.
@@ -275,14 +296,39 @@ func envConfigLoad(enableSharedConfig bool) (envConfig, error) {
 
 	cfg.CustomCABundle = os.Getenv("AWS_CA_BUNDLE")
 
+	var err error
 	// STS Regional Endpoint variable
 	for _, k := range stsRegionalEndpointKey {
 		if v := os.Getenv(k); len(v) != 0 {
-			STSRegionalEndpoint, err := endpoints.GetSTSRegionalEndpoint(v)
+			cfg.STSRegionalEndpoint, err = endpoints.GetSTSRegionalEndpoint(v)
 			if err != nil {
 				return cfg, fmt.Errorf("failed to load, %v from env config, %v", k, err)
 			}
-			cfg.STSRegionalEndpoint = STSRegionalEndpoint
+		}
+	}
+
+	// S3 Regional Endpoint variable
+	for _, k := range s3UsEast1RegionalEndpoint {
+		if v := os.Getenv(k); len(v) != 0 {
+			cfg.S3UsEast1RegionalEndpoint, err = endpoints.GetS3UsEast1RegionalEndpoint(v)
+			if err != nil {
+				return cfg, fmt.Errorf("failed to load, %v from env config, %v", k, err)
+			}
+		}
+	}
+
+	var s3UseARNRegion string
+	setFromEnvVal(&s3UseARNRegion, s3UseARNRegionEnvKey)
+	if len(s3UseARNRegion) != 0 {
+		switch {
+		case strings.EqualFold(s3UseARNRegion, "false"):
+			cfg.S3UseARNRegion = false
+		case strings.EqualFold(s3UseARNRegion, "true"):
+			cfg.S3UseARNRegion = true
+		default:
+			return envConfig{}, fmt.Errorf(
+				"invalid value for environment variable, %s=%s, need true or false",
+				s3UseARNRegionEnvKey[0], s3UseARNRegion)
 		}
 	}
 

vendor/github.com/aws/aws-sdk-go/aws/session/session.go

@@ -555,7 +555,20 @@ func mergeConfigSrcs(cfg, userCfg *aws.Config,
 	}
 
 	// Regional Endpoint flag for STS endpoint resolving
-	mergeSTSRegionalEndpointConfig(cfg, envCfg, sharedCfg)
+	mergeSTSRegionalEndpointConfig(cfg, []endpoints.STSRegionalEndpoint{
+		userCfg.STSRegionalEndpoint,
+		envCfg.STSRegionalEndpoint,
+		sharedCfg.STSRegionalEndpoint,
+		endpoints.LegacySTSEndpoint,
+	})
+
+	// Regional Endpoint flag for S3 endpoint resolving
+	mergeS3UsEast1RegionalEndpointConfig(cfg, []endpoints.S3UsEast1RegionalEndpoint{
+		userCfg.S3UsEast1RegionalEndpoint,
+		envCfg.S3UsEast1RegionalEndpoint,
+		sharedCfg.S3UsEast1RegionalEndpoint,
+		endpoints.LegacyS3UsEast1Endpoint,
+	})
 
 	// Configure credentials if not already set by the user when creating the
 	// Session.
@@ -567,23 +580,33 @@ func mergeConfigSrcs(cfg, userCfg *aws.Config,
 		cfg.Credentials = creds
 	}
 
+	cfg.S3UseARNRegion = userCfg.S3UseARNRegion
+	if cfg.S3UseARNRegion == nil {
+		cfg.S3UseARNRegion = &envCfg.S3UseARNRegion
+	}
+	if cfg.S3UseARNRegion == nil {
+		cfg.S3UseARNRegion = &sharedCfg.S3UseARNRegion
+	}
+
 	return nil
 }
 
-// mergeSTSRegionalEndpointConfig function merges the STSRegionalEndpoint into cfg from
-// envConfig and SharedConfig with envConfig being given precedence over SharedConfig
-func mergeSTSRegionalEndpointConfig(cfg *aws.Config, envCfg envConfig, sharedCfg sharedConfig) error {
-
-	cfg.STSRegionalEndpoint = envCfg.STSRegionalEndpoint
-
-	if cfg.STSRegionalEndpoint == endpoints.UnsetSTSEndpoint {
-		cfg.STSRegionalEndpoint = sharedCfg.STSRegionalEndpoint
+func mergeSTSRegionalEndpointConfig(cfg *aws.Config, values []endpoints.STSRegionalEndpoint) {
+	for _, v := range values {
+		if v != endpoints.UnsetSTSEndpoint {
+			cfg.STSRegionalEndpoint = v
+			break
+		}
 	}
+}
 
-	if cfg.STSRegionalEndpoint == endpoints.UnsetSTSEndpoint {
-		cfg.STSRegionalEndpoint = endpoints.LegacySTSEndpoint
+func mergeS3UsEast1RegionalEndpointConfig(cfg *aws.Config, values []endpoints.S3UsEast1RegionalEndpoint) {
+	for _, v := range values {
+		if v != endpoints.UnsetS3UsEast1Endpoint {
+			cfg.S3UsEast1RegionalEndpoint = v
+			break
+		}
 	}
-	return nil
 }
 
 func initHandlers(s *Session) {
@@ -619,15 +642,22 @@ func (s *Session) ClientConfig(service string, cfgs ...*aws.Config) client.Confi
 
 	region := aws.StringValue(s.Config.Region)
 	resolved, err := s.resolveEndpoint(service, region, s.Config)
-	if err != nil && s.Config.Logger != nil {
-		s.Config.Logger.Log(fmt.Sprintf(
-			"ERROR: unable to resolve endpoint for service %q, region %q, err: %v",
-			service, region, err))
+	if err != nil {
+		s.Handlers.Validate.PushBack(func(r *request.Request) {
+			if len(r.ClientInfo.Endpoint) != 0 {
+				// Error occurred while resolving endpoint, but the request
+				// being invoked has had an endpoint specified after the client
+				// was created.
+				return
+			}
+			r.Error = err
+		})
 	}
 
 	return client.Config{
 		Config:             s.Config,
 		Handlers:           s.Handlers,
+		PartitionID:        resolved.PartitionID,
 		Endpoint:           resolved.URL,
 		SigningRegion:      resolved.SigningRegion,
 		SigningNameDerived: resolved.SigningNameDerived,
@@ -653,6 +683,11 @@ func (s *Session) resolveEndpoint(service, region string, cfg *aws.Config) (endp
 			// precedence.
 			opt.STSRegionalEndpoint = cfg.STSRegionalEndpoint
 
+			// Support for S3UsEast1RegionalEndpoint where the S3UsEast1RegionalEndpoint is
+			// provided in envConfig or sharedConfig with envConfig getting
+			// precedence.
+			opt.S3UsEast1RegionalEndpoint = cfg.S3UsEast1RegionalEndpoint
+
 			// Support the condition where the service is modeled but its
 			// endpoint metadata is not available.
 			opt.ResolveUnknownService = true

vendor/github.com/aws/aws-sdk-go/aws/session/shared_config.go

@@ -44,10 +44,16 @@ const (
 	// Additional config fields for regional or legacy endpoints
 	stsRegionalEndpointSharedKey = `sts_regional_endpoints`
 
+	// Additional config fields for regional or legacy endpoints
+	s3UsEast1RegionalSharedKey = `s3_us_east_1_regional_endpoint`
+
 	// DefaultSharedConfigProfile is the default profile to be used when
 	// loading configuration from the config files if another profile name
 	// is not provided.
 	DefaultSharedConfigProfile = `default`
+
+	// S3 ARN Region Usage
+	s3UseARNRegionKey = "s3_use_arn_region"
 )
 
 // sharedConfig represents the configuration fields of the SDK config files.
@@ -86,17 +92,30 @@ type sharedConfig struct {
 	//
 	//	endpoint_discovery_enabled = true
 	EnableEndpointDiscovery *bool
+
 	// CSM Options
 	CSMEnabled  *bool
 	CSMHost     string
 	CSMPort     string
 	CSMClientID string
 
-	// Specifies the Regional Endpoint flag for the sdk to resolve the endpoint for a service
+	// Specifies the Regional Endpoint flag for the SDK to resolve the endpoint for a service
 	//
-	// sts_regional_endpoints = sts_regional_endpoint
+	// sts_regional_endpoints = regional
 	// This can take value as `LegacySTSEndpoint` or `RegionalSTSEndpoint`
 	STSRegionalEndpoint endpoints.STSRegionalEndpoint
+
+	// Specifies the Regional Endpoint flag for the SDK to resolve the endpoint for a service
+	//
+	// s3_us_east_1_regional_endpoint = regional
+	// This can take value as `LegacyS3UsEast1Endpoint` or `RegionalS3UsEast1Endpoint`
+	S3UsEast1RegionalEndpoint endpoints.S3UsEast1RegionalEndpoint
+
+	// Specifies if the S3 service should allow ARNs to direct the region
+	// the client's requests are sent to.
+	//
+	// s3_use_arn_region=true
+	S3UseARNRegion bool
 }
 
 type sharedConfigFile struct {
@@ -259,10 +278,19 @@ func (cfg *sharedConfig) setFromIniFile(profile string, file sharedConfigFile, e
 			sre, err := endpoints.GetSTSRegionalEndpoint(v)
 			if err != nil {
 				return fmt.Errorf("failed to load %s from shared config, %s, %v",
-					stsRegionalEndpointKey, file.Filename, err)
+					stsRegionalEndpointSharedKey, file.Filename, err)
 			}
 			cfg.STSRegionalEndpoint = sre
 		}
+
+		if v := section.String(s3UsEast1RegionalSharedKey); len(v) != 0 {
+			sre, err := endpoints.GetS3UsEast1RegionalEndpoint(v)
+			if err != nil {
+				return fmt.Errorf("failed to load %s from shared config, %s, %v",
+					s3UsEast1RegionalSharedKey, file.Filename, err)
+			}
+			cfg.S3UsEast1RegionalEndpoint = sre
+		}
 	}
 
 	updateString(&cfg.CredentialProcess, section, credentialProcessKey)
@@ -288,6 +316,8 @@ func (cfg *sharedConfig) setFromIniFile(profile string, file sharedConfigFile, e
 	updateString(&cfg.CSMPort, section, csmPortKey)
 	updateString(&cfg.CSMClientID, section, csmClientIDKey)
 
+	updateBool(&cfg.S3UseARNRegion, section, s3UseARNRegionKey)
+
 	return nil
 }
 
@@ -380,6 +410,15 @@ func updateString(dst *string, section ini.Section, key string) {
 	*dst = section.String(key)
 }
 
+// updateBool will only update the dst with the value in the section key, key
+// is present in the section.
+func updateBool(dst *bool, section ini.Section, key string) {
+	if !section.Has(key) {
+		return
+	}
+	*dst = section.Bool(key)
+}
+
 // updateBoolPtr will only update the dst with the value in the section key,
 // key is present in the section.
 func updateBoolPtr(dst **bool, section ini.Section, key string) {

vendor/github.com/aws/aws-sdk-go/aws/signer/v4/header_rules.go

@@ -1,8 +1,7 @@
 package v4
 
 import (
-	"net/http"
-	"strings"
+	"github.com/aws/aws-sdk-go/internal/strings"
 )
 
 // validator houses a set of rule needed for validation of a
@@ -61,7 +60,7 @@ type patterns []string
 // been found
 func (p patterns) IsValid(value string) bool {
 	for _, pattern := range p {
-		if strings.HasPrefix(http.CanonicalHeaderKey(value), pattern) {
+		if strings.HasPrefixFold(value, pattern) {
 			return true
 		}
 	}

vendor/github.com/aws/aws-sdk-go/aws/signer/v4/request_context_go1.5.go

@@ -0,0 +1,13 @@
+// +build !go1.7
+
+package v4
+
+import (
+	"net/http"
+
+	"github.com/aws/aws-sdk-go/aws"
+)
+
+func requestContext(r *http.Request) aws.Context {
+	return aws.BackgroundContext()
+}

vendor/github.com/aws/aws-sdk-go/aws/signer/v4/request_context_go1.7.go

@@ -0,0 +1,13 @@
+// +build go1.7
+
+package v4
+
+import (
+	"net/http"
+
+	"github.com/aws/aws-sdk-go/aws"
+)
+
+func requestContext(r *http.Request) aws.Context {
+	return r.Context()
+}

vendor/github.com/aws/aws-sdk-go/aws/signer/v4/stream.go

@@ -0,0 +1,63 @@
+package v4
+
+import (
+	"encoding/hex"
+	"strings"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws/credentials"
+)
+
+type credentialValueProvider interface {
+	Get() (credentials.Value, error)
+}
+
+// StreamSigner implements signing of event stream encoded payloads
+type StreamSigner struct {
+	region  string
+	service string
+
+	credentials credentialValueProvider
+
+	prevSig []byte
+}
+
+// NewStreamSigner creates a SigV4 signer used to sign Event Stream encoded messages
+func NewStreamSigner(region, service string, seedSignature []byte, credentials *credentials.Credentials) *StreamSigner {
+	return &StreamSigner{
+		region:      region,
+		service:     service,
+		credentials: credentials,
+		prevSig:     seedSignature,
+	}
+}
+
+// GetSignature takes an event stream encoded headers and payload and returns a signature
+func (s *StreamSigner) GetSignature(headers, payload []byte, date time.Time) ([]byte, error) {
+	credValue, err := s.credentials.Get()
+	if err != nil {
+		return nil, err
+	}
+
+	sigKey := deriveSigningKey(s.region, s.service, credValue.SecretAccessKey, date)
+
+	keyPath := buildSigningScope(s.region, s.service, date)
+
+	stringToSign := buildEventStreamStringToSign(headers, payload, s.prevSig, keyPath, date)
+
+	signature := hmacSHA256(sigKey, []byte(stringToSign))
+	s.prevSig = signature
+
+	return signature, nil
+}
+
+func buildEventStreamStringToSign(headers, payload, prevSig []byte, scope string, date time.Time) string {
+	return strings.Join([]string{
+		"AWS4-HMAC-SHA256-PAYLOAD",
+		formatTime(date),
+		scope,
+		hex.EncodeToString(prevSig),
+		hex.EncodeToString(hashSHA256(headers)),
+		hex.EncodeToString(hashSHA256(payload)),
+	}, "\n")
+}

vendor/github.com/aws/aws-sdk-go/aws/signer/v4/v4.go

@@ -76,9 +76,14 @@ import (
 )
 
 const (
+	authorizationHeader     = "Authorization"
+	authHeaderSignatureElem = "Signature="
+	signatureQueryKey       = "X-Amz-Signature"
+
 	authHeaderPrefix = "AWS4-HMAC-SHA256"
 	timeFormat       = "20060102T150405Z"
 	shortTimeFormat  = "20060102"
+	awsV4Request     = "aws4_request"
 
 	// emptyStringSHA256 is a SHA256 of an empty string
 	emptyStringSHA256 = `e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855`
@@ -87,9 +92,9 @@ const (
 var ignoredHeaders = rules{
 	blacklist{
 		mapRule{
-			"Authorization":   struct{}{},
-			"User-Agent":      struct{}{},
-			"X-Amzn-Trace-Id": struct{}{},
+			authorizationHeader: struct{}{},
+			"User-Agent":        struct{}{},
+			"X-Amzn-Trace-Id":   struct{}{},
 		},
 	},
 }
@@ -229,11 +234,9 @@ type signingCtx struct {
 
 	DisableURIPathEscaping bool
 
-	credValues         credentials.Value
-	isPresign          bool
-	formattedTime      string
-	formattedShortTime string
-	unsignedPayload    bool
+	credValues      credentials.Value
+	isPresign       bool
+	unsignedPayload bool
 
 	bodyDigest       string
 	signedHeaders    string
@@ -337,7 +340,7 @@ func (v4 Signer) signWithBody(r *http.Request, body io.ReadSeeker, service, regi
 	}
 
 	var err error
-	ctx.credValues, err = v4.Credentials.Get()
+	ctx.credValues, err = v4.Credentials.GetWithContext(requestContext(r))
 	if err != nil {
 		return http.Header{}, err
 	}
@@ -532,39 +535,56 @@ func (ctx *signingCtx) build(disableHeaderHoisting bool) error {
 	ctx.buildSignature()       // depends on string to sign
 
 	if ctx.isPresign {
-		ctx.Request.URL.RawQuery += "&X-Amz-Signature=" + ctx.signature
+		ctx.Request.URL.RawQuery += "&" + signatureQueryKey + "=" + ctx.signature
 	} else {
 		parts := []string{
 			authHeaderPrefix + " Credential=" + ctx.credValues.AccessKeyID + "/" + ctx.credentialString,
 			"SignedHeaders=" + ctx.signedHeaders,
-			"Signature=" + ctx.signature,
+			authHeaderSignatureElem + ctx.signature,
 		}
-		ctx.Request.Header.Set("Authorization", strings.Join(parts, ", "))
+		ctx.Request.Header.Set(authorizationHeader, strings.Join(parts, ", "))
 	}
 
 	return nil
 }
 
-func (ctx *signingCtx) buildTime() {
-	ctx.formattedTime = ctx.Time.UTC().Format(timeFormat)
-	ctx.formattedShortTime = ctx.Time.UTC().Format(shortTimeFormat)
+// GetSignedRequestSignature attempts to extract the signature of the request.
+// Returning an error if the request is unsigned, or unable to extract the
+// signature.
+func GetSignedRequestSignature(r *http.Request) ([]byte, error) {
 
+	if auth := r.Header.Get(authorizationHeader); len(auth) != 0 {
+		ps := strings.Split(auth, ", ")
+		for _, p := range ps {
+			if idx := strings.Index(p, authHeaderSignatureElem); idx >= 0 {
+				sig := p[len(authHeaderSignatureElem):]
+				if len(sig) == 0 {
+					return nil, fmt.Errorf("invalid request signature authorization header")
+				}
+				return hex.DecodeString(sig)
+			}
+		}
+	}
+
+	if sig := r.URL.Query().Get("X-Amz-Signature"); len(sig) != 0 {
+		return hex.DecodeString(sig)
+	}
+
+	return nil, fmt.Errorf("request not signed")
+}
+
+func (ctx *signingCtx) buildTime() {
 	if ctx.isPresign {
 		duration := int64(ctx.ExpireTime / time.Second)
-		ctx.Query.Set("X-Amz-Date", ctx.formattedTime)
+		ctx.Query.Set("X-Amz-Date", formatTime(ctx.Time))
 		ctx.Query.Set("X-Amz-Expires", strconv.FormatInt(duration, 10))
 	} else {
-		ctx.Request.Header.Set("X-Amz-Date", ctx.formattedTime)
+		ctx.Request.Header.Set("X-Amz-Date", formatTime(ctx.Time))
 	}
 }
 
 func (ctx *signingCtx) buildCredentialString() {
-	ctx.credentialString = strings.Join([]string{
-		ctx.formattedShortTime,
-		ctx.Region,
-		ctx.ServiceName,
-		"aws4_request",
-	}, "/")
+	ctx.credentialString = buildSigningScope(ctx.Region, ctx.ServiceName, ctx.Time)
 
 	if ctx.isPresign {
 		ctx.Query.Set("X-Amz-Credential", ctx.credValues.AccessKeyID+"/"+ctx.credentialString)
@@ -588,8 +608,7 @@ func (ctx *signingCtx) buildCanonicalHeaders(r rule, header http.Header) {
 	var headers []string
 	headers = append(headers, "host")
 	for k, v := range header {
-		canonicalKey := http.CanonicalHeaderKey(k)
-		if !r.IsValid(canonicalKey) {
+		if !r.IsValid(k) {
 			continue // ignored header
 		}
 		if ctx.SignedHeaderVals == nil {
@@ -653,19 +672,15 @@ func (ctx *signingCtx) buildCanonicalString() {
 func (ctx *signingCtx) buildStringToSign() {
 	ctx.stringToSign = strings.Join([]string{
 		authHeaderPrefix,
-		ctx.formattedTime,
+		formatTime(ctx.Time),
 		ctx.credentialString,
-		hex.EncodeToString(makeSha256([]byte(ctx.canonicalString))),
+		hex.EncodeToString(hashSHA256([]byte(ctx.canonicalString))),
 	}, "\n")
 }
 
 func (ctx *signingCtx) buildSignature() {
-	secret := ctx.credValues.SecretAccessKey
-	date := makeHmac([]byte("AWS4"+secret), []byte(ctx.formattedShortTime))
-	region := makeHmac(date, []byte(ctx.Region))
-	service := makeHmac(region, []byte(ctx.ServiceName))
-	credentials := makeHmac(service, []byte("aws4_request"))
-	signature := makeHmac(credentials, []byte(ctx.stringToSign))
+	creds := deriveSigningKey(ctx.Region, ctx.ServiceName, ctx.credValues.SecretAccessKey, ctx.Time)
+	signature := hmacSHA256(creds, []byte(ctx.stringToSign))
 	ctx.signature = hex.EncodeToString(signature)
 }
 
@@ -726,13 +741,13 @@ func (ctx *signingCtx) removePresign() {
 	ctx.Query.Del("X-Amz-SignedHeaders")
 }
 
-func makeHmac(key []byte, data []byte) []byte {
+func hmacSHA256(key []byte, data []byte) []byte {
 	hash := hmac.New(sha256.New, key)
 	hash.Write(data)
 	return hash.Sum(nil)
 }
 
-func makeSha256(data []byte) []byte {
+func hashSHA256(data []byte) []byte {
 	hash := sha256.New()
 	hash.Write(data)
 	return hash.Sum(nil)
@@ -804,3 +819,28 @@ func stripExcessSpaces(vals []string) {
 		vals[i] = string(buf[:m])
 	}
 }
+
+func buildSigningScope(region, service string, dt time.Time) string {
+	return strings.Join([]string{
+		formatShortTime(dt),
+		region,
+		service,
+		awsV4Request,
+	}, "/")
+}
+
+func deriveSigningKey(region, service, secretKey string, dt time.Time) []byte {
+	kDate := hmacSHA256([]byte("AWS4"+secretKey), []byte(formatShortTime(dt)))
+	kRegion := hmacSHA256(kDate, []byte(region))
+	kService := hmacSHA256(kRegion, []byte(service))
+	signingKey := hmacSHA256(kService, []byte(awsV4Request))
+	return signingKey
+}
+
+func formatShortTime(dt time.Time) string {
+	return dt.UTC().Format(shortTimeFormat)
+}
+
+func formatTime(dt time.Time) string {
+	return dt.UTC().Format(timeFormat)
+}

vendor/github.com/aws/aws-sdk-go/aws/types.go

@@ -2,6 +2,7 @@ package aws
 
 import (
 	"io"
+	"strings"
 	"sync"
 
 	"github.com/aws/aws-sdk-go/internal/sdkio"
@@ -205,3 +206,36 @@ func (b *WriteAtBuffer) Bytes() []byte {
 	defer b.m.Unlock()
 	return b.buf
 }
+
+// MultiCloser is a utility to close multiple io.Closers within a single
+// statement.
+type MultiCloser []io.Closer
+
+// Close closes all of the io.Closers making up the MultiClosers. Any
+// errors that occur while closing will be returned in the order they
+// occur.
+func (m MultiCloser) Close() error {
+	var errs errors
+	for _, c := range m {
+		err := c.Close()
+		if err != nil {
+			errs = append(errs, err)
+		}
+	}
+	if len(errs) != 0 {
+		return errs
+	}
+
+	return nil
+}
+
+type errors []error
+
+func (es errors) Error() string {
+	var parts []string
+	for _, e := range es {
+		parts = append(parts, e.Error())
+	}
+
+	return strings.Join(parts, "\n")
+}

vendor/github.com/aws/aws-sdk-go/aws/version.go

@@ -5,4 +5,4 @@ package aws
 const SDKName = "aws-sdk-go"
 
 // SDKVersion is the version of this SDK
-const SDKVersion = "1.25.31"
+const SDKVersion = "1.29.9"

vendor/github.com/aws/aws-sdk-go/internal/context/background_go1.5.go

@@ -0,0 +1,40 @@
+// +build !go1.7
+
+package context
+
+import "time"
+
+// An emptyCtx is a copy of the Go 1.7 context.emptyCtx type. This is copied to
+// provide a 1.6 and 1.5 safe version of context that is compatible with Go
+// 1.7's Context.
+//
+// An emptyCtx is never canceled, has no values, and has no deadline. It is not
+// struct{}, since vars of this type must have distinct addresses.
+type emptyCtx int
+
+func (*emptyCtx) Deadline() (deadline time.Time, ok bool) {
+	return
+}
+
+func (*emptyCtx) Done() <-chan struct{} {
+	return nil
+}
+
+func (*emptyCtx) Err() error {
+	return nil
+}
+
+func (*emptyCtx) Value(key interface{}) interface{} {
+	return nil
+}
+
+func (e *emptyCtx) String() string {
+	switch e {
+	case BackgroundCtx:
+		return "aws.BackgroundContext"
+	}
+	return "unknown empty Context"
+}
+
+// BackgroundCtx is the common base context.
+var BackgroundCtx = new(emptyCtx)

vendor/github.com/aws/aws-sdk-go/internal/strings/strings.go

@@ -0,0 +1,11 @@
+package strings
+
+import (
+	"strings"
+)
+
+// HasPrefixFold tests whether the string s begins with prefix, interpreted as UTF-8 strings,
+// under Unicode case-folding.
+func HasPrefixFold(s, prefix string) bool {
+	return len(s) >= len(prefix) && strings.EqualFold(s[0:len(prefix)], prefix)
+}

vendor/github.com/aws/aws-sdk-go/internal/sync/singleflight/LICENSE

@@ -0,0 +1,27 @@
+Copyright (c) 2009 The Go Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/github.com/aws/aws-sdk-go/internal/sync/singleflight/singleflight.go

@@ -0,0 +1,120 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package singleflight provides a duplicate function call suppression
+// mechanism.
+package singleflight
+
+import "sync"
+
+// call is an in-flight or completed singleflight.Do call
+type call struct {
+	wg sync.WaitGroup
+
+	// These fields are written once before the WaitGroup is done
+	// and are only read after the WaitGroup is done.
+	val interface{}
+	err error
+
+	// forgotten indicates whether Forget was called with this call's key
+	// while the call was still in flight.
+	forgotten bool
+
+	// These fields are read and written with the singleflight
+	// mutex held before the WaitGroup is done, and are read but
+	// not written after the WaitGroup is done.
+	dups  int
+	chans []chan<- Result
+}
+
+// Group represents a class of work and forms a namespace in
+// which units of work can be executed with duplicate suppression.
+type Group struct {
+	mu sync.Mutex       // protects m
+	m  map[string]*call // lazily initialized
+}
+
+// Result holds the results of Do, so they can be passed
+// on a channel.
+type Result struct {
+	Val    interface{}
+	Err    error
+	Shared bool
+}
+
+// Do executes and returns the results of the given function, making
+// sure that only one execution is in-flight for a given key at a
+// time. If a duplicate comes in, the duplicate caller waits for the
+// original to complete and receives the same results.
+// The return value shared indicates whether v was given to multiple callers.
+func (g *Group) Do(key string, fn func() (interface{}, error)) (v interface{}, err error, shared bool) {
+	g.mu.Lock()
+	if g.m == nil {
+		g.m = make(map[string]*call)
+	}
+	if c, ok := g.m[key]; ok {
+		c.dups++
+		g.mu.Unlock()
+		c.wg.Wait()
+		return c.val, c.err, true
+	}
+	c := new(call)
+	c.wg.Add(1)
+	g.m[key] = c
+	g.mu.Unlock()
+
+	g.doCall(c, key, fn)
+	return c.val, c.err, c.dups > 0
+}
+
+// DoChan is like Do but returns a channel that will receive the
+// results when they are ready.
+func (g *Group) DoChan(key string, fn func() (interface{}, error)) <-chan Result {
+	ch := make(chan Result, 1)
+	g.mu.Lock()
+	if g.m == nil {
+		g.m = make(map[string]*call)
+	}
+	if c, ok := g.m[key]; ok {
+		c.dups++
+		c.chans = append(c.chans, ch)
+		g.mu.Unlock()
+		return ch
+	}
+	c := &call{chans: []chan<- Result{ch}}
+	c.wg.Add(1)
+	g.m[key] = c
+	g.mu.Unlock()
+
+	go g.doCall(c, key, fn)
+
+	return ch
+}
+
+// doCall handles the single call for a key.
+func (g *Group) doCall(c *call, key string, fn func() (interface{}, error)) {
+	c.val, c.err = fn()
+	c.wg.Done()
+
+	g.mu.Lock()
+	if !c.forgotten {
+		delete(g.m, key)
+	}
+	for _, ch := range c.chans {
+		ch <- Result{c.val, c.err, c.dups > 0}
+	}
+	g.mu.Unlock()
+}
+
+// Forget tells the singleflight to forget about a key.  Future calls
+// to Do for this key will call the function rather than waiting for
+// an earlier call to complete.
+func (g *Group) Forget(key string) {
+	g.mu.Lock()
+	if c, ok := g.m[key]; ok {
+		c.forgotten = true
+	}
+	delete(g.m, key)
+	g.mu.Unlock()
+}

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/debug.go

@@ -101,7 +101,7 @@ func (hs *decodedHeaders) UnmarshalJSON(b []byte) error {
 		}
 		headers.Set(h.Name, value)
 	}
-	(*hs) = decodedHeaders(headers)
+	*hs = decodedHeaders(headers)
 
 	return nil
 }

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/decode.go

@@ -21,10 +21,24 @@ type Decoder struct {
 
 // NewDecoder initializes and returns a Decoder for decoding event
 // stream messages from the reader provided.
-func NewDecoder(r io.Reader) *Decoder {
-	return &Decoder{
+func NewDecoder(r io.Reader, opts ...func(*Decoder)) *Decoder {
+	d := &Decoder{
 		r: r,
 	}
+
+	for _, opt := range opts {
+		opt(d)
+	}
+
+	return d
+}
+
+// DecodeWithLogger adds a logger to be used by the decoder when decoding
+// stream events.
+func DecodeWithLogger(logger aws.Logger) func(*Decoder) {
+	return func(d *Decoder) {
+		d.logger = logger
+	}
 }
 
 // Decode attempts to decode a single message from the event stream reader.
@@ -40,6 +54,15 @@ func (d *Decoder) Decode(payloadBuf []byte) (m Message, err error) {
 		}()
 	}
 
+	m, err = Decode(reader, payloadBuf)
+
+	return m, err
+}
+
+// Decode attempts to decode a single message from the event stream reader.
+// Will return the event stream message, or error if Decode fails to read
+// the message from the reader.
+func Decode(reader io.Reader, payloadBuf []byte) (m Message, err error) {
 	crc := crc32.New(crc32IEEETable)
 	hashReader := io.TeeReader(reader, crc)
 
@@ -72,12 +95,6 @@ func (d *Decoder) Decode(payloadBuf []byte) (m Message, err error) {
 	return m, nil
 }
 
-// UseLogger specifies the Logger that that the decoder should use to log the
-// message decode to.
-func (d *Decoder) UseLogger(logger aws.Logger) {
-	d.logger = logger
-}
-
 func logMessageDecode(logger aws.Logger, msgBuf *bytes.Buffer, msg Message, decodeErr error) {
 	w := bytes.NewBuffer(nil)
 	defer func() { logger.Log(w.String()) }()

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/encode.go

@@ -3,61 +3,107 @@ package eventstream
 import (
 	"bytes"
 	"encoding/binary"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
 	"hash"
 	"hash/crc32"
 	"io"
+
+	"github.com/aws/aws-sdk-go/aws"
 )
 
 // Encoder provides EventStream message encoding.
 type Encoder struct {
-	w io.Writer
+	w      io.Writer
+	logger aws.Logger
 
 	headersBuf *bytes.Buffer
 }
 
 // NewEncoder initializes and returns an Encoder to encode Event Stream
 // messages to an io.Writer.
-func NewEncoder(w io.Writer) *Encoder {
-	return &Encoder{
+func NewEncoder(w io.Writer, opts ...func(*Encoder)) *Encoder {
+	e := &Encoder{
 		w:          w,
 		headersBuf: bytes.NewBuffer(nil),
 	}
+
+	for _, opt := range opts {
+		opt(e)
+	}
+
+	return e
+}
+
+// EncodeWithLogger adds a logger to be used by the encode when decoding
+// stream events.
+func EncodeWithLogger(logger aws.Logger) func(*Encoder) {
+	return func(d *Encoder) {
+		d.logger = logger
+	}
 }
 
 // Encode encodes a single EventStream message to the io.Writer the Encoder
 // was created with. An error is returned if writing the message fails.
-func (e *Encoder) Encode(msg Message) error {
+func (e *Encoder) Encode(msg Message) (err error) {
 	e.headersBuf.Reset()
 
-	err := encodeHeaders(e.headersBuf, msg.Headers)
-	if err != nil {
+	writer := e.w
+	if e.logger != nil {
+		encodeMsgBuf := bytes.NewBuffer(nil)
+		writer = io.MultiWriter(writer, encodeMsgBuf)
+		defer func() {
+			logMessageEncode(e.logger, encodeMsgBuf, msg, err)
+		}()
+	}
+
+	if err = EncodeHeaders(e.headersBuf, msg.Headers); err != nil {
 		return err
 	}
 
 	crc := crc32.New(crc32IEEETable)
-	hashWriter := io.MultiWriter(e.w, crc)
+	hashWriter := io.MultiWriter(writer, crc)
 
 	headersLen := uint32(e.headersBuf.Len())
 	payloadLen := uint32(len(msg.Payload))
 
-	if err := encodePrelude(hashWriter, crc, headersLen, payloadLen); err != nil {
+	if err = encodePrelude(hashWriter, crc, headersLen, payloadLen); err != nil {
 		return err
 	}
 
 	if headersLen > 0 {
-		if _, err := io.Copy(hashWriter, e.headersBuf); err != nil {
+		if _, err = io.Copy(hashWriter, e.headersBuf); err != nil {
 			return err
 		}
 	}
 
 	if payloadLen > 0 {
-		if _, err := hashWriter.Write(msg.Payload); err != nil {
+		if _, err = hashWriter.Write(msg.Payload); err != nil {
 			return err
 		}
 	}
 
 	msgCRC := crc.Sum32()
-	return binary.Write(e.w, binary.BigEndian, msgCRC)
+	return binary.Write(writer, binary.BigEndian, msgCRC)
+}
+
+func logMessageEncode(logger aws.Logger, msgBuf *bytes.Buffer, msg Message, encodeErr error) {
+	w := bytes.NewBuffer(nil)
+	defer func() { logger.Log(w.String()) }()
+
+	fmt.Fprintf(w, "Message to encode:\n")
+	encoder := json.NewEncoder(w)
+	if err := encoder.Encode(msg); err != nil {
+		fmt.Fprintf(w, "Failed to get encoded message, %v\n", err)
+	}
+
+	if encodeErr != nil {
+		fmt.Fprintf(w, "Encode error: %v\n", encodeErr)
+		return
+	}
+
+	fmt.Fprintf(w, "Raw message:\n%s\n", hex.Dump(msgBuf.Bytes()))
 }
 
 func encodePrelude(w io.Writer, crc hash.Hash32, headersLen, payloadLen uint32) error {
@@ -86,7 +132,9 @@ func encodePrelude(w io.Writer, crc hash.Hash32, headersLen, payloadLen uint32)
 	return nil
 }
 
-func encodeHeaders(w io.Writer, headers Headers) error {
+// EncodeHeaders writes the header values to the writer encoded in the event
+// stream format. Returns an error if a header fails to encode.
+func EncodeHeaders(w io.Writer, headers Headers) error {
 	for _, h := range headers {
 		hn := headerName{
 			Len: uint8(len(h.Name)),

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/eventstreamapi/error.go

@@ -1,6 +1,9 @@
 package eventstreamapi
 
-import "fmt"
+import (
+	"fmt"
+	"sync"
+)
 
 type messageError struct {
 	code string
@@ -22,3 +25,53 @@ func (e messageError) Error() string {
 func (e messageError) OrigErr() error {
 	return nil
 }
+
+// OnceError wraps the behavior of recording an error
+// once and signal on a channel when this has occurred.
+// Signaling is done by closing of the channel.
+//
+// Type is safe for concurrent usage.
+type OnceError struct {
+	mu  sync.RWMutex
+	err error
+	ch  chan struct{}
+}
+
+// NewOnceError return a new OnceError
+func NewOnceError() *OnceError {
+	return &OnceError{
+		ch: make(chan struct{}, 1),
+	}
+}
+
+// Err acquires a read-lock and returns an
+// error if one has been set.
+func (e *OnceError) Err() error {
+	e.mu.RLock()
+	err := e.err
+	e.mu.RUnlock()
+
+	return err
+}
+
+// SetError acquires a write-lock and will set
+// the underlying error value if one has not been set.
+func (e *OnceError) SetError(err error) {
+	if err == nil {
+		return
+	}
+
+	e.mu.Lock()
+	if e.err == nil {
+		e.err = err
+		close(e.ch)
+	}
+	e.mu.Unlock()
+}
+
+// ErrorSet returns a channel that will be used to signal
+// that an error has been set. This channel will be closed
+// when the error value has been set for OnceError.
+func (e *OnceError) ErrorSet() <-chan struct{} {
+	return e.ch
+}

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/eventstreamapi/reader.go

@@ -2,9 +2,7 @@ package eventstreamapi
 
 import (
 	"fmt"
-	"io"
 
-	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/private/protocol"
 	"github.com/aws/aws-sdk-go/private/protocol/eventstream"
 )
@@ -15,27 +13,8 @@ type Unmarshaler interface {
 	UnmarshalEvent(protocol.PayloadUnmarshaler, eventstream.Message) error
 }
 
-// EventStream headers with specific meaning to async API functionality.
-const (
-	MessageTypeHeader    = `:message-type` // Identifies type of message.
-	EventMessageType     = `event`
-	ErrorMessageType     = `error`
-	ExceptionMessageType = `exception`
-
-	// Message Events
-	EventTypeHeader = `:event-type` // Identifies message event type e.g. "Stats".
-
-	// Message Error
-	ErrorCodeHeader    = `:error-code`
-	ErrorMessageHeader = `:error-message`
-
-	// Message Exception
-	ExceptionTypeHeader = `:exception-type`
-)
-
 // EventReader provides reading from the EventStream of an reader.
 type EventReader struct {
-	reader  io.ReadCloser
 	decoder *eventstream.Decoder
 
 	unmarshalerForEventType func(string) (Unmarshaler, error)
@@ -47,27 +26,18 @@ type EventReader struct {
 // NewEventReader returns a EventReader built from the reader and unmarshaler
 // provided.  Use ReadStream method to start reading from the EventStream.
 func NewEventReader(
-	reader io.ReadCloser,
+	decoder *eventstream.Decoder,
 	payloadUnmarshaler protocol.PayloadUnmarshaler,
 	unmarshalerForEventType func(string) (Unmarshaler, error),
 ) *EventReader {
 	return &EventReader{
-		reader:                  reader,
-		decoder:                 eventstream.NewDecoder(reader),
+		decoder:                 decoder,
 		payloadUnmarshaler:      payloadUnmarshaler,
 		unmarshalerForEventType: unmarshalerForEventType,
 		payloadBuf:              make([]byte, 10*1024),
 	}
 }
 
-// UseLogger instructs the EventReader to use the logger and log level
-// specified.
-func (r *EventReader) UseLogger(logger aws.Logger, logLevel aws.LogLevelType) {
-	if logger != nil && logLevel.Matches(aws.LogDebugWithEventStreamBody) {
-		r.decoder.UseLogger(logger)
-	}
-}
-
 // ReadEvent attempts to read a message from the EventStream and return the
 // unmarshaled event value that the message is for.
 //
@@ -95,8 +65,7 @@ func (r *EventReader) ReadEvent() (event interface{}, err error) {
 	case EventMessageType:
 		return r.unmarshalEventMessage(msg)
 	case ExceptionMessageType:
-		err = r.unmarshalEventException(msg)
-		return nil, err
+		return nil, r.unmarshalEventException(msg)
 	case ErrorMessageType:
 		return nil, r.unmarshalErrorMessage(msg)
 	default:
@@ -174,11 +143,6 @@ func (r *EventReader) unmarshalErrorMessage(msg eventstream.Message) (err error)
 	return msgErr
 }
 
-// Close closes the EventReader's EventStream reader.
-func (r *EventReader) Close() error {
-	return r.reader.Close()
-}
-
 // GetHeaderString returns the value of the header as a string. If the header
 // is not set or the value is not a string an error will be returned.
 func GetHeaderString(msg eventstream.Message, headerName string) (string, error) {

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/eventstreamapi/shared.go

@@ -0,0 +1,23 @@
+package eventstreamapi
+
+// EventStream headers with specific meaning to async API functionality.
+const (
+	ChunkSignatureHeader = `:chunk-signature` // chunk signature for message
+	DateHeader           = `:date`            // Date header for signature
+
+	// Message header and values
+	MessageTypeHeader    = `:message-type` // Identifies type of message.
+	EventMessageType     = `event`
+	ErrorMessageType     = `error`
+	ExceptionMessageType = `exception`
+
+	// Message Events
+	EventTypeHeader = `:event-type` // Identifies message event type e.g. "Stats".
+
+	// Message Error
+	ErrorCodeHeader    = `:error-code`
+	ErrorMessageHeader = `:error-message`
+
+	// Message Exception
+	ExceptionTypeHeader = `:exception-type`
+)

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/eventstreamapi/signer.go

@@ -0,0 +1,123 @@
+package eventstreamapi
+
+import (
+	"bytes"
+	"strings"
+	"time"
+
+	"github.com/aws/aws-sdk-go/private/protocol/eventstream"
+)
+
+var timeNow = time.Now
+
+// StreamSigner defines an interface for the implementation of signing of event stream payloads
+type StreamSigner interface {
+	GetSignature(headers, payload []byte, date time.Time) ([]byte, error)
+}
+
+// SignEncoder envelopes event stream messages
+// into an event stream message payload with included
+// signature headers using the provided signer and encoder.
+type SignEncoder struct {
+	signer     StreamSigner
+	encoder    Encoder
+	bufEncoder *BufferEncoder
+
+	closeErr error
+	closed   bool
+}
+
+// NewSignEncoder returns a new SignEncoder using the provided stream signer and
+// event stream encoder.
+func NewSignEncoder(signer StreamSigner, encoder Encoder) *SignEncoder {
+	// TODO: Need to pass down logging
+
+	return &SignEncoder{
+		signer:     signer,
+		encoder:    encoder,
+		bufEncoder: NewBufferEncoder(),
+	}
+}
+
+// Close encodes a final event stream signing envelope with an empty event stream
+// payload. This final end-frame is used to mark the conclusion of the stream.
+func (s *SignEncoder) Close() error {
+	if s.closed {
+		return s.closeErr
+	}
+
+	if err := s.encode([]byte{}); err != nil {
+		if strings.Contains(err.Error(), "on closed pipe") {
+			return nil
+		}
+
+		s.closeErr = err
+		s.closed = true
+		return s.closeErr
+	}
+
+	return nil
+}
+
+// Encode takes the provided message and add envelopes the message
+// with the required signature.
+func (s *SignEncoder) Encode(msg eventstream.Message) error {
+	payload, err := s.bufEncoder.Encode(msg)
+	if err != nil {
+		return err
+	}
+
+	return s.encode(payload)
+}
+
+func (s SignEncoder) encode(payload []byte) error {
+	date := timeNow()
+
+	var msg eventstream.Message
+	msg.Headers.Set(DateHeader, eventstream.TimestampValue(date))
+	msg.Payload = payload
+
+	var headers bytes.Buffer
+	if err := eventstream.EncodeHeaders(&headers, msg.Headers); err != nil {
+		return err
+	}
+
+	sig, err := s.signer.GetSignature(headers.Bytes(), msg.Payload, date)
+	if err != nil {
+		return err
+	}
+
+	msg.Headers.Set(ChunkSignatureHeader, eventstream.BytesValue(sig))
+
+	return s.encoder.Encode(msg)
+}
+
+// BufferEncoder is a utility that provides a buffered
+// event stream encoder
+type BufferEncoder struct {
+	encoder Encoder
+	buffer  *bytes.Buffer
+}
+
+// NewBufferEncoder returns a new BufferEncoder initialized
+// with a 1024 byte buffer.
+func NewBufferEncoder() *BufferEncoder {
+	buf := bytes.NewBuffer(make([]byte, 1024))
+	return &BufferEncoder{
+		encoder: eventstream.NewEncoder(buf),
+		buffer:  buf,
+	}
+}
+
+// Encode returns the encoded message as a byte slice.
+// The returned byte slice will be modified on the next encode call
+// and should not be held onto.
+func (e *BufferEncoder) Encode(msg eventstream.Message) ([]byte, error) {
+	e.buffer.Reset()
+
+	if err := e.encoder.Encode(msg); err != nil {
+		return nil, err
+	}
+
+	return e.buffer.Bytes(), nil
+}

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/eventstreamapi/stream_writer.go

@@ -0,0 +1,129 @@
+package eventstreamapi
+
+import (
+	"fmt"
+	"io"
+	"sync"
+
+	"github.com/aws/aws-sdk-go/aws"
+)
+
+// StreamWriter provides concurrent safe writing to an event stream.
+type StreamWriter struct {
+	eventWriter *EventWriter
+	stream      chan eventWriteAsyncReport
+
+	done      chan struct{}
+	closeOnce sync.Once
+	err       *OnceError
+
+	streamCloser io.Closer
+}
+
+// NewStreamWriter returns a StreamWriter for the event writer, and stream
+// closer provided.
+func NewStreamWriter(eventWriter *EventWriter, streamCloser io.Closer) *StreamWriter {
+	w := &StreamWriter{
+		eventWriter:  eventWriter,
+		streamCloser: streamCloser,
+		stream:       make(chan eventWriteAsyncReport),
+		done:         make(chan struct{}),
+		err:          NewOnceError(),
+	}
+	go w.writeStream()
+
+	return w
+}
+
+// Close terminates the writers ability to write new events to the stream. Any
+// future call to Send will fail with an error.
+func (w *StreamWriter) Close() error {
+	w.closeOnce.Do(w.safeClose)
+	return w.Err()
+}
+
+func (w *StreamWriter) safeClose() {
+	close(w.done)
+}
+
+// ErrorSet returns a channel which will be closed
+// if an error occurs.
+func (w *StreamWriter) ErrorSet() <-chan struct{} {
+	return w.err.ErrorSet()
+}
+
+// Err returns any error that occurred while attempting to write an event to the
+// stream.
+func (w *StreamWriter) Err() error {
+	return w.err.Err()
+}
+
+// Send writes a single event to the stream returning an error if the write
+// failed.
+//
+// Send may be called concurrently. Events will be written to the stream
+// safely.
+func (w *StreamWriter) Send(ctx aws.Context, event Marshaler) error {
+	if err := w.Err(); err != nil {
+		return err
+	}
+
+	resultCh := make(chan error)
+	wrapped := eventWriteAsyncReport{
+		Event:  event,
+		Result: resultCh,
+	}
+
+	select {
+	case w.stream <- wrapped:
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-w.done:
+		return fmt.Errorf("stream closed, unable to send event")
+	}
+
+	select {
+	case err := <-resultCh:
+		return err
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-w.done:
+		return fmt.Errorf("stream closed, unable to send event")
+	}
+}
+
+func (w *StreamWriter) writeStream() {
+	defer w.Close()
+
+	for {
+		select {
+		case wrapper := <-w.stream:
+			err := w.eventWriter.WriteEvent(wrapper.Event)
+			wrapper.ReportResult(w.done, err)
+			if err != nil {
+				w.err.SetError(err)
+				return
+			}
+
+		case <-w.done:
+			if err := w.streamCloser.Close(); err != nil {
+				w.err.SetError(err)
+			}
+			return
+		}
+	}
+}
+
+type eventWriteAsyncReport struct {
+	Event  Marshaler
+	Result chan<- error
+}
+
+func (e eventWriteAsyncReport) ReportResult(cancel <-chan struct{}, err error) bool {
+	select {
+	case e.Result <- err:
+		return true
+	case <-cancel:
+		return false
+	}
+}

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/eventstreamapi/writer.go

@@ -0,0 +1,109 @@
+package eventstreamapi
+
+import (
+	"github.com/aws/aws-sdk-go/private/protocol"
+	"github.com/aws/aws-sdk-go/private/protocol/eventstream"
+)
+
+// Marshaler provides a marshaling interface for event types to event stream
+// messages.
+type Marshaler interface {
+	MarshalEvent(protocol.PayloadMarshaler) (eventstream.Message, error)
+}
+
+// Encoder is an stream encoder that will encode an event stream message for
+// the transport.
+type Encoder interface {
+	Encode(eventstream.Message) error
+}
+
+// EventWriter provides a wrapper around the underlying event stream encoder
+// for an io.WriteCloser.
+type EventWriter struct {
+	encoder          Encoder
+	payloadMarshaler protocol.PayloadMarshaler
+	eventTypeFor     func(Marshaler) (string, error)
+}
+
+// NewEventWriter returns a new event stream writer, that will write to the
+// writer provided. Use the WriteEvent method to write an event to the stream.
+func NewEventWriter(encoder Encoder, pm protocol.PayloadMarshaler, eventTypeFor func(Marshaler) (string, error),
+) *EventWriter {
+	return &EventWriter{
+		encoder:          encoder,
+		payloadMarshaler: pm,
+		eventTypeFor:     eventTypeFor,
+	}
+}
+
+// WriteEvent writes an event to the stream. Returns an error if the event
+// fails to marshal into a message, or writing to the underlying writer fails.
+func (w *EventWriter) WriteEvent(event Marshaler) error {
+	msg, err := w.marshal(event)
+	if err != nil {
+		return err
+	}
+
+	return w.encoder.Encode(msg)
+}
+
+func (w *EventWriter) marshal(event Marshaler) (eventstream.Message, error) {
+	eventType, err := w.eventTypeFor(event)
+	if err != nil {
+		return eventstream.Message{}, err
+	}
+
+	msg, err := event.MarshalEvent(w.payloadMarshaler)
+	if err != nil {
+		return eventstream.Message{}, err
+	}
+
+	msg.Headers.Set(EventTypeHeader, eventstream.StringValue(eventType))
+	return msg, nil
+}
+
+//type EventEncoder struct {
+//	encoder           Encoder
+//	ppayloadMarshaler protocol.PayloadMarshaler
+//	eventTypeFor      func(Marshaler) (string, error)
+//}
+//
+//func (e EventEncoder) Encode(event Marshaler) error {
+//	msg, err := e.marshal(event)
+//	if err != nil {
+//		return err
+//	}
+//
+//	return w.encoder.Encode(msg)
+//}
+//
+//func (e EventEncoder) marshal(event Marshaler) (eventstream.Message, error) {
+//	eventType, err := w.eventTypeFor(event)
+//	if err != nil {
+//		return eventstream.Message{}, err
+//	}
+//
+//	msg, err := event.MarshalEvent(w.payloadMarshaler)
+//	if err != nil {
+//		return eventstream.Message{}, err
+//	}
+//
+//	msg.Headers.Set(EventTypeHeader, eventstream.StringValue(eventType))
+//	return msg, nil
+//}
+//
+//func (w *EventWriter) marshal(event Marshaler) (eventstream.Message, error) {
+//	eventType, err := w.eventTypeFor(event)
+//	if err != nil {
+//		return eventstream.Message{}, err
+//	}
+//
+//	msg, err := event.MarshalEvent(w.payloadMarshaler)
+//	if err != nil {
+//		return eventstream.Message{}, err
+//	}
+//
+//	msg.Headers.Set(EventTypeHeader, eventstream.StringValue(eventType))
+//	return msg, nil
+//}
+//

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/header_value.go

@@ -461,6 +461,11 @@ func (v *TimestampValue) decode(r io.Reader) error {
 	return nil
 }
 
+// MarshalJSON implements the json.Marshaler interface
+func (v TimestampValue) MarshalJSON() ([]byte, error) {
+	return []byte(v.String()), nil
+}
+
 func timeFromEpochMilli(t int64) time.Time {
 	secs := t / 1e3
 	msec := t % 1e3

vendor/github.com/aws/aws-sdk-go/private/protocol/eventstream/message.go

@@ -27,7 +27,7 @@ func (m *Message) rawMessage() (rawMessage, error) {
 
 	if len(m.Headers) > 0 {
 		var headers bytes.Buffer
-		if err := encodeHeaders(&headers, m.Headers); err != nil {
+		if err := EncodeHeaders(&headers, m.Headers); err != nil {
 			return rawMessage{}, err
 		}
 		raw.Headers = headers.Bytes()

vendor/github.com/aws/aws-sdk-go/private/protocol/json/jsonutil/unmarshal.go

@@ -7,6 +7,7 @@ import (
 	"fmt"
 	"io"
 	"reflect"
+	"strings"
 	"time"
 
 	"github.com/aws/aws-sdk-go/aws"
@@ -45,10 +46,31 @@ func UnmarshalJSON(v interface{}, stream io.Reader) error {
 		return err
 	}
 
-	return unmarshalAny(reflect.ValueOf(v), out, "")
+	return unmarshaler{}.unmarshalAny(reflect.ValueOf(v), out, "")
 }
 
-func unmarshalAny(value reflect.Value, data interface{}, tag reflect.StructTag) error {
+// UnmarshalJSONCaseInsensitive reads a stream and unmarshals the result into the
+// object v. Ignores casing for structure members.
+func UnmarshalJSONCaseInsensitive(v interface{}, stream io.Reader) error {
+	var out interface{}
+
+	err := json.NewDecoder(stream).Decode(&out)
+	if err == io.EOF {
+		return nil
+	} else if err != nil {
+		return err
+	}
+
+	return unmarshaler{
+		caseInsensitive: true,
+	}.unmarshalAny(reflect.ValueOf(v), out, "")
+}
+
+type unmarshaler struct {
+	caseInsensitive bool
+}
+
+func (u unmarshaler) unmarshalAny(value reflect.Value, data interface{}, tag reflect.StructTag) error {
 	vtype := value.Type()
 	if vtype.Kind() == reflect.Ptr {
 		vtype = vtype.Elem() // check kind of actual element type
@@ -80,17 +102,17 @@ func unmarshalAny(value reflect.Value, data interface{}, tag reflect.StructTag)
 		if field, ok := vtype.FieldByName("_"); ok {
 			tag = field.Tag
 		}
-		return unmarshalStruct(value, data, tag)
+		return u.unmarshalStruct(value, data, tag)
 	case "list":
-		return unmarshalList(value, data, tag)
+		return u.unmarshalList(value, data, tag)
 	case "map":
-		return unmarshalMap(value, data, tag)
+		return u.unmarshalMap(value, data, tag)
 	default:
-		return unmarshalScalar(value, data, tag)
+		return u.unmarshalScalar(value, data, tag)
 	}
 }
 
-func unmarshalStruct(value reflect.Value, data interface{}, tag reflect.StructTag) error {
+func (u unmarshaler) unmarshalStruct(value reflect.Value, data interface{}, tag reflect.StructTag) error {
 	if data == nil {
 		return nil
 	}
@@ -114,7 +136,7 @@ func unmarshalStruct(value reflect.Value, data interface{}, tag reflect.StructTa
 	// unwrap any payloads
 	if payload := tag.Get("payload"); payload != "" {
 		field, _ := t.FieldByName(payload)
-		return unmarshalAny(value.FieldByName(payload), data, field.Tag)
+		return u.unmarshalAny(value.FieldByName(payload), data, field.Tag)
 	}
 
 	for i := 0; i < t.NumField(); i++ {
@@ -128,9 +150,19 @@ func unmarshalStruct(value reflect.Value, data interface{}, tag reflect.StructTa
 		if locName := field.Tag.Get("locationName"); locName != "" {
 			name = locName
 		}
+		if u.caseInsensitive {
+			if _, ok := mapData[name]; !ok {
+				// Fallback to uncased name search if the exact name didn't match.
+				for kn, v := range mapData {
+					if strings.EqualFold(kn, name) {
+						mapData[name] = v
+					}
+				}
+			}
+		}
 
 		member := value.FieldByIndex(field.Index)
-		err := unmarshalAny(member, mapData[name], field.Tag)
+		err := u.unmarshalAny(member, mapData[name], field.Tag)
 		if err != nil {
 			return err
 		}
@@ -138,7 +170,7 @@ func unmarshalStruct(value reflect.Value, data interface{}, tag reflect.StructTa
 	return nil
 }
 
-func unmarshalList(value reflect.Value, data interface{}, tag reflect.StructTag) error {
+func (u unmarshaler) unmarshalList(value reflect.Value, data interface{}, tag reflect.StructTag) error {
 	if data == nil {
 		return nil
 	}
@@ -153,7 +185,7 @@ func unmarshalList(value reflect.Value, data interface{}, tag reflect.StructTag)
 	}
 
 	for i, c := range listData {
-		err := unmarshalAny(value.Index(i), c, "")
+		err := u.unmarshalAny(value.Index(i), c, "")
 		if err != nil {
 			return err
 		}
@@ -162,7 +194,7 @@ func unmarshalList(value reflect.Value, data interface{}, tag reflect.StructTag)
 	return nil
 }
 
-func unmarshalMap(value reflect.Value, data interface{}, tag reflect.StructTag) error {
+func (u unmarshaler) unmarshalMap(value reflect.Value, data interface{}, tag reflect.StructTag) error {
 	if data == nil {
 		return nil
 	}
@@ -179,14 +211,14 @@ func unmarshalMap(value reflect.Value, data interface{}, tag reflect.StructTag)
 		kvalue := reflect.ValueOf(k)
 		vvalue := reflect.New(value.Type().Elem()).Elem()
 
-		unmarshalAny(vvalue, v, "")
+		u.unmarshalAny(vvalue, v, "")
 		value.SetMapIndex(kvalue, vvalue)
 	}
 
 	return nil
 }
 
-func unmarshalScalar(value reflect.Value, data interface{}, tag reflect.StructTag) error {
+func (u unmarshaler) unmarshalScalar(value reflect.Value, data interface{}, tag reflect.StructTag) error {
 
 	switch d := data.(type) {
 	case nil:

vendor/github.com/aws/aws-sdk-go/private/protocol/payload.go

@@ -64,7 +64,7 @@ func (h HandlerPayloadMarshal) MarshalPayload(w io.Writer, v interface{}) error
 		metadata.ClientInfo{},
 		request.Handlers{},
 		nil,
-		&request.Operation{HTTPMethod: "GET"},
+		&request.Operation{HTTPMethod: "PUT"},
 		v,
 		nil,
 	)

vendor/github.com/aws/aws-sdk-go/private/protocol/protocol.go

@@ -0,0 +1,49 @@
+package protocol
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/request"
+)
+
+// RequireHTTPMinProtocol request handler is used to enforce that
+// the target endpoint supports the given major and minor HTTP protocol version.
+type RequireHTTPMinProtocol struct {
+	Major, Minor int
+}
+
+// Handler will mark the request.Request with an error if the
+// target endpoint did not connect with the required HTTP protocol
+// major and minor version.
+func (p RequireHTTPMinProtocol) Handler(r *request.Request) {
+	if r.Error != nil || r.HTTPResponse == nil {
+		return
+	}
+
+	if !strings.HasPrefix(r.HTTPResponse.Proto, "HTTP") {
+		r.Error = newMinHTTPProtoError(p.Major, p.Minor, r)
+	}
+
+	if r.HTTPResponse.ProtoMajor < p.Major || r.HTTPResponse.ProtoMinor < p.Minor {
+		r.Error = newMinHTTPProtoError(p.Major, p.Minor, r)
+	}
+}
+
+// ErrCodeMinimumHTTPProtocolError error code is returned when the target endpoint
+// did not match the required HTTP major and minor protocol version.
+const ErrCodeMinimumHTTPProtocolError = "MinimumHTTPProtocolError"
+
+func newMinHTTPProtoError(major, minor int, r *request.Request) error {
+	return awserr.NewRequestFailure(
+		awserr.New("MinimumHTTPProtocolError",
+			fmt.Sprintf(
+				"operation requires minimum HTTP protocol of HTTP/%d.%d, but was %s",
+				major, minor, r.HTTPResponse.Proto,
+			),
+			nil,
+		),
+		r.HTTPResponse.StatusCode, r.RequestID,
+	)
+}

vendor/github.com/aws/aws-sdk-go/private/protocol/query/build.go

@@ -1,7 +1,7 @@
 // Package query provides serialization of AWS query requests, and responses.
 package query
 
-//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/input/query.json build_test.go
+//go:generate go run -tags codegen ../../../private/model/cli/gen-protocol-tests ../../../models/protocol_tests/input/query.json build_test.go
 
 import (
 	"net/url"

vendor/github.com/aws/aws-sdk-go/private/protocol/query/unmarshal.go

@@ -1,6 +1,6 @@
 package query
 
-//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/output/query.json unmarshal_test.go
+//go:generate go run -tags codegen ../../../private/model/cli/gen-protocol-tests ../../../models/protocol_tests/output/query.json unmarshal_test.go
 
 import (
 	"encoding/xml"

vendor/github.com/aws/aws-sdk-go/private/protocol/rest/unmarshal.go

@@ -15,6 +15,7 @@ import (
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/request"
+	awsStrings "github.com/aws/aws-sdk-go/internal/strings"
 	"github.com/aws/aws-sdk-go/private/protocol"
 )
 
@@ -28,7 +29,9 @@ var UnmarshalMetaHandler = request.NamedHandler{Name: "awssdk.rest.UnmarshalMeta
 func Unmarshal(r *request.Request) {
 	if r.DataFilled() {
 		v := reflect.Indirect(reflect.ValueOf(r.Data))
-		unmarshalBody(r, v)
+		if err := unmarshalBody(r, v); err != nil {
+			r.Error = err
+		}
 	}
 }
 
@@ -40,12 +43,21 @@ func UnmarshalMeta(r *request.Request) {
 		r.RequestID = r.HTTPResponse.Header.Get("X-Amz-Request-Id")
 	}
 	if r.DataFilled() {
-		v := reflect.Indirect(reflect.ValueOf(r.Data))
-		unmarshalLocationElements(r, v)
+		if err := UnmarshalResponse(r.HTTPResponse, r.Data, aws.BoolValue(r.Config.LowerCaseHeaderMaps)); err != nil {
+			r.Error = err
+		}
 	}
 }
 
-func unmarshalBody(r *request.Request, v reflect.Value) {
+// UnmarshalResponse attempts to unmarshal the REST response headers to
+// the data type passed in. The type must be a pointer. An error is returned
+// with any error unmarshaling the response into the target datatype.
+func UnmarshalResponse(resp *http.Response, data interface{}, lowerCaseHeaderMaps bool) error {
+	v := reflect.Indirect(reflect.ValueOf(data))
+	return unmarshalLocationElements(resp, v, lowerCaseHeaderMaps)
+}
+
+func unmarshalBody(r *request.Request, v reflect.Value) error {
 	if field, ok := v.Type().FieldByName("_"); ok {
 		if payloadName := field.Tag.Get("payload"); payloadName != "" {
 			pfield, _ := v.Type().FieldByName(payloadName)
@@ -57,35 +69,38 @@ func unmarshalBody(r *request.Request, v reflect.Value) {
 						defer r.HTTPResponse.Body.Close()
 						b, err := ioutil.ReadAll(r.HTTPResponse.Body)
 						if err != nil {
-							r.Error = awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
-						} else {
-							payload.Set(reflect.ValueOf(b))
+							return awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
 						}
+
+						payload.Set(reflect.ValueOf(b))
+
 					case *string:
 						defer r.HTTPResponse.Body.Close()
 						b, err := ioutil.ReadAll(r.HTTPResponse.Body)
 						if err != nil {
-							r.Error = awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
-						} else {
-							str := string(b)
-							payload.Set(reflect.ValueOf(&str))
+							return awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
 						}
+
+						str := string(b)
+						payload.Set(reflect.ValueOf(&str))
+
 					default:
 						switch payload.Type().String() {
 						case "io.ReadCloser":
 							payload.Set(reflect.ValueOf(r.HTTPResponse.Body))
+
 						case "io.ReadSeeker":
 							b, err := ioutil.ReadAll(r.HTTPResponse.Body)
 							if err != nil {
-								r.Error = awserr.New(request.ErrCodeSerialization,
+								return awserr.New(request.ErrCodeSerialization,
 									"failed to read response body", err)
-								return
 							}
 							payload.Set(reflect.ValueOf(ioutil.NopCloser(bytes.NewReader(b))))
+
 						default:
 							io.Copy(ioutil.Discard, r.HTTPResponse.Body)
-							defer r.HTTPResponse.Body.Close()
-							r.Error = awserr.New(request.ErrCodeSerialization,
+							r.HTTPResponse.Body.Close()
+							return awserr.New(request.ErrCodeSerialization,
 								"failed to decode REST response",
 								fmt.Errorf("unknown payload type %s", payload.Type()))
 						}
@@ -94,9 +109,11 @@ func unmarshalBody(r *request.Request, v reflect.Value) {
 			}
 		}
 	}
+
+	return nil
 }
 
-func unmarshalLocationElements(r *request.Request, v reflect.Value) {
+func unmarshalLocationElements(resp *http.Response, v reflect.Value, lowerCaseHeaderMaps bool) error {
 	for i := 0; i < v.NumField(); i++ {
 		m, field := v.Field(i), v.Type().Field(i)
 		if n := field.Name; n[0:1] == strings.ToLower(n[0:1]) {
@@ -111,26 +128,25 @@ func unmarshalLocationElements(r *request.Request, v reflect.Value) {
 
 			switch field.Tag.Get("location") {
 			case "statusCode":
-				unmarshalStatusCode(m, r.HTTPResponse.StatusCode)
+				unmarshalStatusCode(m, resp.StatusCode)
+
 			case "header":
-				err := unmarshalHeader(m, r.HTTPResponse.Header.Get(name), field.Tag)
+				err := unmarshalHeader(m, resp.Header.Get(name), field.Tag)
 				if err != nil {
-					r.Error = awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
-					break
+					return awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
 				}
+
 			case "headers":
 				prefix := field.Tag.Get("locationName")
-				err := unmarshalHeaderMap(m, r.HTTPResponse.Header, prefix)
+				err := unmarshalHeaderMap(m, resp.Header, prefix, lowerCaseHeaderMaps)
 				if err != nil {
-					r.Error = awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
-					break
+					awserr.New(request.ErrCodeSerialization, "failed to decode REST response", err)
 				}
 			}
 		}
-		if r.Error != nil {
-			return
-		}
 	}
+
+	return nil
 }
 
 func unmarshalStatusCode(v reflect.Value, statusCode int) {
@@ -145,7 +161,7 @@ func unmarshalStatusCode(v reflect.Value, statusCode int) {
 	}
 }
 
-func unmarshalHeaderMap(r reflect.Value, headers http.Header, prefix string) error {
+func unmarshalHeaderMap(r reflect.Value, headers http.Header, prefix string, normalize bool) error {
 	if len(headers) == 0 {
 		return nil
 	}
@@ -153,8 +169,12 @@ func unmarshalHeaderMap(r reflect.Value, headers http.Header, prefix string) err
 	case map[string]*string: // we only support string map value types
 		out := map[string]*string{}
 		for k, v := range headers {
-			k = http.CanonicalHeaderKey(k)
-			if strings.HasPrefix(strings.ToLower(k), strings.ToLower(prefix)) {
+			if awsStrings.HasPrefixFold(k, prefix) {
+				if normalize == true {
+					k = strings.ToLower(k)
+				} else {
+					k = http.CanonicalHeaderKey(k)
+				}
 				out[k[len(prefix):]] = &v[0]
 			}
 		}

vendor/github.com/aws/aws-sdk-go/private/protocol/restxml/restxml.go

@@ -2,8 +2,8 @@
 // requests and responses.
 package restxml
 
-//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/input/rest-xml.json build_test.go
-//go:generate go run -tags codegen ../../../models/protocol_tests/generate.go ../../../models/protocol_tests/output/rest-xml.json unmarshal_test.go
+//go:generate go run -tags codegen ../../../private/model/cli/gen-protocol-tests ../../../models/protocol_tests/input/rest-xml.json build_test.go
+//go:generate go run -tags codegen ../../../private/model/cli/gen-protocol-tests ../../../models/protocol_tests/output/rest-xml.json unmarshal_test.go
 
 import (
 	"bytes"

vendor/github.com/aws/aws-sdk-go/private/protocol/unmarshal.go

@@ -19,3 +19,9 @@ func UnmarshalDiscardBody(r *request.Request) {
 	io.Copy(ioutil.Discard, r.HTTPResponse.Body)
 	r.HTTPResponse.Body.Close()
 }
+
+// ResponseMetadata provides the SDK response metadata attributes.
+type ResponseMetadata struct {
+	StatusCode int
+	RequestID  string
+}

vendor/github.com/aws/aws-sdk-go/private/protocol/unmarshal_error.go

@@ -0,0 +1,65 @@
+package protocol
+
+import (
+	"net/http"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/request"
+)
+
+// UnmarshalErrorHandler provides unmarshaling errors API response errors for
+// both typed and untyped errors.
+type UnmarshalErrorHandler struct {
+	unmarshaler ErrorUnmarshaler
+}
+
+// ErrorUnmarshaler is an abstract interface for concrete implementations to
+// unmarshal protocol specific response errors.
+type ErrorUnmarshaler interface {
+	UnmarshalError(*http.Response, ResponseMetadata) (error, error)
+}
+
+// NewUnmarshalErrorHandler returns an UnmarshalErrorHandler
+// initialized for the set of exception names to the error unmarshalers
+func NewUnmarshalErrorHandler(unmarshaler ErrorUnmarshaler) *UnmarshalErrorHandler {
+	return &UnmarshalErrorHandler{
+		unmarshaler: unmarshaler,
+	}
+}
+
+// UnmarshalErrorHandlerName is the name of the named handler.
+const UnmarshalErrorHandlerName = "awssdk.protocol.UnmarshalError"
+
+// NamedHandler returns a NamedHandler for the unmarshaler using the set of
+// errors the unmarshaler was initialized for.
+func (u *UnmarshalErrorHandler) NamedHandler() request.NamedHandler {
+	return request.NamedHandler{
+		Name: UnmarshalErrorHandlerName,
+		Fn:   u.UnmarshalError,
+	}
+}
+
+// UnmarshalError will attempt to unmarshal the API response's error message
+// into either a generic SDK error type, or a typed error corresponding to the
+// errors exception name.
+func (u *UnmarshalErrorHandler) UnmarshalError(r *request.Request) {
+	defer r.HTTPResponse.Body.Close()
+
+	respMeta := ResponseMetadata{
+		StatusCode: r.HTTPResponse.StatusCode,
+		RequestID:  r.RequestID,
+	}
+
+	v, err := u.unmarshaler.UnmarshalError(r.HTTPResponse, respMeta)
+	if err != nil {
+		r.Error = awserr.NewRequestFailure(
+			awserr.New(request.ErrCodeSerialization,
+				"failed to unmarshal response error", err),
+			respMeta.StatusCode,
+			respMeta.RequestID,
+		)
+		return
+	}
+
+	r.Error = v
+}

vendor/github.com/aws/aws-sdk-go/service/s3/customizations.go

@@ -4,6 +4,7 @@ import (
 	"github.com/aws/aws-sdk-go/aws/client"
 	"github.com/aws/aws-sdk-go/aws/request"
 	"github.com/aws/aws-sdk-go/internal/s3err"
+	"github.com/aws/aws-sdk-go/service/s3/internal/arn"
 )
 
 func init() {
@@ -13,7 +14,7 @@ func init() {
 
 func defaultInitClientFn(c *client.Client) {
 	// Support building custom endpoints based on config
-	c.Handlers.Build.PushFront(updateEndpointForS3Config)
+	c.Handlers.Build.PushFront(endpointHandler)
 
 	// Require SSL when using SSE keys
 	c.Handlers.Validate.PushBack(validateSSERequiresSSL)
@@ -27,7 +28,7 @@ func defaultInitClientFn(c *client.Client) {
 }
 
 func defaultInitRequestFn(r *request.Request) {
-	// Add reuest handlers for specific platforms.
+	// Add request handlers for specific platforms.
 	// e.g. 100-continue support for PUT requests using Go 1.6
 	platformRequestHandlers(r)
 
@@ -73,3 +74,8 @@ type sseCustomerKeyGetter interface {
 type copySourceSSECustomerKeyGetter interface {
 	getCopySourceSSECustomerKey() string
 }
+
+type endpointARNGetter interface {
+	getEndpointARN() (arn.Resource, error)
+	hasEndpointARN() bool
+}

vendor/github.com/aws/aws-sdk-go/service/s3/endpoint.go

@@ -0,0 +1,233 @@
+package s3
+
+import (
+	"net/url"
+	"strings"
+
+	"github.com/aws/aws-sdk-go/aws"
+	awsarn "github.com/aws/aws-sdk-go/aws/arn"
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/endpoints"
+	"github.com/aws/aws-sdk-go/aws/request"
+	"github.com/aws/aws-sdk-go/private/protocol"
+	"github.com/aws/aws-sdk-go/service/s3/internal/arn"
+)
+
+// Used by shapes with members decorated as endpoint ARN.
+func parseEndpointARN(v string) (arn.Resource, error) {
+	return arn.ParseResource(v, accessPointResourceParser)
+}
+
+func accessPointResourceParser(a awsarn.ARN) (arn.Resource, error) {
+	resParts := arn.SplitResource(a.Resource)
+	switch resParts[0] {
+	case "accesspoint":
+		return arn.ParseAccessPointResource(a, resParts[1:])
+	default:
+		return nil, arn.InvalidARNError{ARN: a, Reason: "unknown resource type"}
+	}
+}
+
+func endpointHandler(req *request.Request) {
+	endpoint, ok := req.Params.(endpointARNGetter)
+	if !ok || !endpoint.hasEndpointARN() {
+		updateBucketEndpointFromParams(req)
+		return
+	}
+
+	resource, err := endpoint.getEndpointARN()
+	if err != nil {
+		req.Error = newInvalidARNError(nil, err)
+		return
+	}
+
+	resReq := resourceRequest{
+		Resource: resource,
+		Request:  req,
+	}
+
+	if resReq.IsCrossPartition() {
+		req.Error = newClientPartitionMismatchError(resource,
+			req.ClientInfo.PartitionID, aws.StringValue(req.Config.Region), nil)
+		return
+	}
+
+	if !resReq.AllowCrossRegion() && resReq.IsCrossRegion() {
+		req.Error = newClientRegionMismatchError(resource,
+			req.ClientInfo.PartitionID, aws.StringValue(req.Config.Region), nil)
+		return
+	}
+
+	if resReq.HasCustomEndpoint() {
+		req.Error = newInvalidARNWithCustomEndpointError(resource, nil)
+		return
+	}
+
+	switch tv := resource.(type) {
+	case arn.AccessPointARN:
+		err = updateRequestAccessPointEndpoint(req, tv)
+		if err != nil {
+			req.Error = err
+		}
+	default:
+		req.Error = newInvalidARNError(resource, nil)
+	}
+}
+
+type resourceRequest struct {
+	Resource arn.Resource
+	Request  *request.Request
+}
+
+func (r resourceRequest) ARN() awsarn.ARN {
+	return r.Resource.GetARN()
+}
+
+func (r resourceRequest) AllowCrossRegion() bool {
+	return aws.BoolValue(r.Request.Config.S3UseARNRegion)
+}
+
+func (r resourceRequest) UseFIPS() bool {
+	return isFIPS(aws.StringValue(r.Request.Config.Region))
+}
+
+func (r resourceRequest) IsCrossPartition() bool {
+	return r.Request.ClientInfo.PartitionID != r.Resource.GetARN().Partition
+}
+
+func (r resourceRequest) IsCrossRegion() bool {
+	return isCrossRegion(r.Request, r.Resource.GetARN().Region)
+}
+
+func (r resourceRequest) HasCustomEndpoint() bool {
+	return len(aws.StringValue(r.Request.Config.Endpoint)) > 0
+}
+
+func isFIPS(clientRegion string) bool {
+	return strings.HasPrefix(clientRegion, "fips-") || strings.HasSuffix(clientRegion, "-fips")
+}
+func isCrossRegion(req *request.Request, otherRegion string) bool {
+	return req.ClientInfo.SigningRegion != otherRegion
+}
+
+func updateBucketEndpointFromParams(r *request.Request) {
+	bucket, ok := bucketNameFromReqParams(r.Params)
+	if !ok {
+		// Ignore operation requests if the bucket name was not provided
+		// if this is an input validation error the validation handler
+		// will report it.
+		return
+	}
+	updateEndpointForS3Config(r, bucket)
+}
+
+func updateRequestAccessPointEndpoint(req *request.Request, accessPoint arn.AccessPointARN) error {
+	// Accelerate not supported
+	if aws.BoolValue(req.Config.S3UseAccelerate) {
+		return newClientConfiguredForAccelerateError(accessPoint,
+			req.ClientInfo.PartitionID, aws.StringValue(req.Config.Region), nil)
+	}
+
+	// Ignore the disable host prefix for access points since custom endpoints
+	// are not supported.
+	req.Config.DisableEndpointHostPrefix = aws.Bool(false)
+
+	if err := accessPointEndpointBuilder(accessPoint).Build(req); err != nil {
+		return err
+	}
+
+	removeBucketFromPath(req.HTTPRequest.URL)
+
+	return nil
+}
+
+func removeBucketFromPath(u *url.URL) {
+	u.Path = strings.Replace(u.Path, "/{Bucket}", "", -1)
+	if u.Path == "" {
+		u.Path = "/"
+	}
+}
+
+type accessPointEndpointBuilder arn.AccessPointARN
+
+const (
+	accessPointPrefixLabel   = "accesspoint"
+	accountIDPrefixLabel     = "accountID"
+	accesPointPrefixTemplate = "{" + accessPointPrefixLabel + "}-{" + accountIDPrefixLabel + "}."
+)
+
+func (a accessPointEndpointBuilder) Build(req *request.Request) error {
+	resolveRegion := arn.AccessPointARN(a).Region
+	cfgRegion := aws.StringValue(req.Config.Region)
+
+	if isFIPS(cfgRegion) {
+		if aws.BoolValue(req.Config.S3UseARNRegion) && isCrossRegion(req, resolveRegion) {
+			// FIPS with cross region is not supported, the SDK must fail
+			// because there is no well defined method for SDK to construct a
+			// correct FIPS endpoint.
+			return newClientConfiguredForCrossRegionFIPSError(arn.AccessPointARN(a),
+				req.ClientInfo.PartitionID, cfgRegion, nil)
+		}
+		resolveRegion = cfgRegion
+	}
+
+	endpoint, err := resolveRegionalEndpoint(req, resolveRegion)
+	if err != nil {
+		return newFailedToResolveEndpointError(arn.AccessPointARN(a),
+			req.ClientInfo.PartitionID, cfgRegion, err)
+	}
+
+	if err = updateRequestEndpoint(req, endpoint.URL); err != nil {
+		return err
+	}
+
+	const serviceEndpointLabel = "s3-accesspoint"
+
+	// dualstack provided by endpoint resolver
+	cfgHost := req.HTTPRequest.URL.Host
+	if strings.HasPrefix(cfgHost, "s3") {
+		req.HTTPRequest.URL.Host = serviceEndpointLabel + cfgHost[2:]
+	}
+
+	protocol.HostPrefixBuilder{
+		Prefix:   accesPointPrefixTemplate,
+		LabelsFn: a.hostPrefixLabelValues,
+	}.Build(req)
+
+	req.ClientInfo.SigningName = endpoint.SigningName
+	req.ClientInfo.SigningRegion = endpoint.SigningRegion
+
+	err = protocol.ValidateEndpointHost(req.Operation.Name, req.HTTPRequest.URL.Host)
+	if err != nil {
+		return newInvalidARNError(arn.AccessPointARN(a), err)
+	}
+
+	return nil
+}
+
+func (a accessPointEndpointBuilder) hostPrefixLabelValues() map[string]string {
+	return map[string]string{
+		accessPointPrefixLabel: arn.AccessPointARN(a).AccessPointName,
+		accountIDPrefixLabel:   arn.AccessPointARN(a).AccountID,
+	}
+}
+
+func resolveRegionalEndpoint(r *request.Request, region string) (endpoints.ResolvedEndpoint, error) {
+	return r.Config.EndpointResolver.EndpointFor(EndpointsID, region, func(opts *endpoints.Options) {
+		opts.DisableSSL = aws.BoolValue(r.Config.DisableSSL)
+		opts.UseDualStack = aws.BoolValue(r.Config.UseDualStack)
+		opts.S3UsEast1RegionalEndpoint = endpoints.RegionalS3UsEast1Endpoint
+	})
+}
+
+func updateRequestEndpoint(r *request.Request, endpoint string) (err error) {
+	endpoint = endpoints.AddScheme(endpoint, aws.BoolValue(r.Config.DisableSSL))
+
+	r.HTTPRequest.URL, err = url.Parse(endpoint + r.Operation.HTTPPath)
+	if err != nil {
+		return awserr.New(request.ErrCodeSerialization,
+			"failed to parse endpoint URL", err)
+	}
+
+	return nil
+}

vendor/github.com/aws/aws-sdk-go/service/s3/endpoint_errors.go

@@ -0,0 +1,151 @@
+package s3
+
+import (
+	"fmt"
+
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/service/s3/internal/arn"
+)
+
+const (
+	invalidARNErrorErrCode    = "InvalidARNError"
+	configurationErrorErrCode = "ConfigurationError"
+)
+
+type invalidARNError struct {
+	message  string
+	resource arn.Resource
+	origErr  error
+}
+
+func (e invalidARNError) Error() string {
+	var extra string
+	if e.resource != nil {
+		extra = "ARN: " + e.resource.String()
+	}
+	return awserr.SprintError(e.Code(), e.Message(), extra, e.origErr)
+}
+
+func (e invalidARNError) Code() string {
+	return invalidARNErrorErrCode
+}
+
+func (e invalidARNError) Message() string {
+	return e.message
+}
+
+func (e invalidARNError) OrigErr() error {
+	return e.origErr
+}
+
+func newInvalidARNError(resource arn.Resource, err error) invalidARNError {
+	return invalidARNError{
+		message:  "invalid ARN",
+		origErr:  err,
+		resource: resource,
+	}
+}
+
+func newInvalidARNWithCustomEndpointError(resource arn.Resource, err error) invalidARNError {
+	return invalidARNError{
+		message:  "resource ARN not supported with custom client endpoints",
+		origErr:  err,
+		resource: resource,
+	}
+}
+
+// ARN not supported for the target partition
+func newInvalidARNWithUnsupportedPartitionError(resource arn.Resource, err error) invalidARNError {
+	return invalidARNError{
+		message:  "resource ARN not supported for the target ARN partition",
+		origErr:  err,
+		resource: resource,
+	}
+}
+
+type configurationError struct {
+	message           string
+	resource          arn.Resource
+	clientPartitionID string
+	clientRegion      string
+	origErr           error
+}
+
+func (e configurationError) Error() string {
+	extra := fmt.Sprintf("ARN: %s, client partition: %s, client region: %s",
+		e.resource, e.clientPartitionID, e.clientRegion)
+
+	return awserr.SprintError(e.Code(), e.Message(), extra, e.origErr)
+}
+
+func (e configurationError) Code() string {
+	return configurationErrorErrCode
+}
+
+func (e configurationError) Message() string {
+	return e.message
+}
+
+func (e configurationError) OrigErr() error {
+	return e.origErr
+}
+
+func newClientPartitionMismatchError(resource arn.Resource, clientPartitionID, clientRegion string, err error) configurationError {
+	return configurationError{
+		message:           "client partition does not match provided ARN partition",
+		origErr:           err,
+		resource:          resource,
+		clientPartitionID: clientPartitionID,
+		clientRegion:      clientRegion,
+	}
+}
+
+func newClientRegionMismatchError(resource arn.Resource, clientPartitionID, clientRegion string, err error) configurationError {
+	return configurationError{
+		message:           "client region does not match provided ARN region",
+		origErr:           err,
+		resource:          resource,
+		clientPartitionID: clientPartitionID,
+		clientRegion:      clientRegion,
+	}
+}
+
+func newFailedToResolveEndpointError(resource arn.Resource, clientPartitionID, clientRegion string, err error) configurationError {
+	return configurationError{
+		message:           "endpoint resolver failed to find an endpoint for the provided ARN region",
+		origErr:           err,
+		resource:          resource,
+		clientPartitionID: clientPartitionID,
+		clientRegion:      clientRegion,
+	}
+}
+
+func newClientConfiguredForFIPSError(resource arn.Resource, clientPartitionID, clientRegion string, err error) configurationError {
+	return configurationError{
+		message:           "client configured for fips but cross-region resource ARN provided",
+		origErr:           err,
+		resource:          resource,
+		clientPartitionID: clientPartitionID,
+		clientRegion:      clientRegion,
+	}
+}
+
+func newClientConfiguredForAccelerateError(resource arn.Resource, clientPartitionID, clientRegion string, err error) configurationError {
+	return configurationError{
+		message:           "client configured for S3 Accelerate but is supported with resource ARN",
+		origErr:           err,
+		resource:          resource,
+		clientPartitionID: clientPartitionID,
+		clientRegion:      clientRegion,
+	}
+}
+
+func newClientConfiguredForCrossRegionFIPSError(resource arn.Resource, clientPartitionID, clientRegion string, err error) configurationError {
+	return configurationError{
+		message:           "client configured for FIPS with cross-region enabled but is supported with cross-region resource ARN",
+		origErr:           err,
+		resource:          resource,
+		clientPartitionID: clientPartitionID,
+		clientRegion:      clientRegion,
+	}
+}

vendor/github.com/aws/aws-sdk-go/service/s3/errors.go

@@ -13,6 +13,12 @@ const (
 
 	// ErrCodeBucketAlreadyOwnedByYou for service response error code
 	// "BucketAlreadyOwnedByYou".
+	//
+	// The bucket you tried to create already exists, and you own it. Amazon S3
+	// returns this error in all AWS Regions except in the North Virginia Region.
+	// For legacy compatibility, if you re-create an existing bucket that you already
+	// own in the North Virginia Region, Amazon S3 returns 200 OK and resets the
+	// bucket access control lists (ACLs).
 	ErrCodeBucketAlreadyOwnedByYou = "BucketAlreadyOwnedByYou"
 
 	// ErrCodeNoSuchBucket for service response error code
@@ -36,13 +42,13 @@ const (
 	// ErrCodeObjectAlreadyInActiveTierError for service response error code
 	// "ObjectAlreadyInActiveTierError".
 	//
-	// This operation is not allowed against this storage tier
+	// This operation is not allowed against this storage tier.
 	ErrCodeObjectAlreadyInActiveTierError = "ObjectAlreadyInActiveTierError"
 
 	// ErrCodeObjectNotInActiveTierError for service response error code
 	// "ObjectNotInActiveTierError".
 	//
 	// The source object of the COPY operation is not in the active tier and is
-	// only stored in Amazon Glacier.
+	// only stored in Amazon S3 Glacier.
 	ErrCodeObjectNotInActiveTierError = "ObjectNotInActiveTierError"
 )

vendor/github.com/aws/aws-sdk-go/service/s3/host_style_bucket.go

@@ -30,10 +30,10 @@ var accelerateOpBlacklist = operationBlacklist{
 	opListBuckets, opCreateBucket, opDeleteBucket,
 }
 
-// Request handler to automatically add the bucket name to the endpoint domain
+// Automatically add the bucket name to the endpoint domain
 // if possible. This style of bucket is valid for all bucket names which are
 // DNS compatible and do not contain "."
-func updateEndpointForS3Config(r *request.Request) {
+func updateEndpointForS3Config(r *request.Request, bucketName string) {
 	forceHostStyle := aws.BoolValue(r.Config.S3ForcePathStyle)
 	accelerate := aws.BoolValue(r.Config.S3UseAccelerate)
 
@@ -43,45 +43,29 @@ func updateEndpointForS3Config(r *request.Request) {
 				r.Config.Logger.Log("ERROR: aws.Config.S3UseAccelerate is not compatible with aws.Config.S3ForcePathStyle, ignoring S3ForcePathStyle.")
 			}
 		}
-		updateEndpointForAccelerate(r)
+		updateEndpointForAccelerate(r, bucketName)
 	} else if !forceHostStyle && r.Operation.Name != opGetBucketLocation {
-		updateEndpointForHostStyle(r)
+		updateEndpointForHostStyle(r, bucketName)
 	}
 }
 
-func updateEndpointForHostStyle(r *request.Request) {
-	bucket, ok := bucketNameFromReqParams(r.Params)
-	if !ok {
-		// Ignore operation requests if the bucketname was not provided
-		// if this is an input validation error the validation handler
-		// will report it.
-		return
-	}
-
-	if !hostCompatibleBucketName(r.HTTPRequest.URL, bucket) {
+func updateEndpointForHostStyle(r *request.Request, bucketName string) {
+	if !hostCompatibleBucketName(r.HTTPRequest.URL, bucketName) {
 		// bucket name must be valid to put into the host
 		return
 	}
 
-	moveBucketToHost(r.HTTPRequest.URL, bucket)
+	moveBucketToHost(r.HTTPRequest.URL, bucketName)
 }
 
 var (
 	accelElem = []byte("s3-accelerate.dualstack.")
 )
 
-func updateEndpointForAccelerate(r *request.Request) {
-	bucket, ok := bucketNameFromReqParams(r.Params)
-	if !ok {
-		// Ignore operation requests if the bucketname was not provided
-		// if this is an input validation error the validation handler
-		// will report it.
-		return
-	}
-
-	if !hostCompatibleBucketName(r.HTTPRequest.URL, bucket) {
+func updateEndpointForAccelerate(r *request.Request, bucketName string) {
+	if !hostCompatibleBucketName(r.HTTPRequest.URL, bucketName) {
 		r.Error = awserr.New("InvalidParameterException",
-			fmt.Sprintf("bucket name %s is not compatible with S3 Accelerate", bucket),
+			fmt.Sprintf("bucket name %s is not compatible with S3 Accelerate", bucketName),
 			nil)
 		return
 	}
@@ -106,7 +90,7 @@ func updateEndpointForAccelerate(r *request.Request) {
 
 	r.HTTPRequest.URL.Host = strings.Join(parts, ".")
 
-	moveBucketToHost(r.HTTPRequest.URL, bucket)
+	moveBucketToHost(r.HTTPRequest.URL, bucketName)
 }
 
 // Attempts to retrieve the bucket name from the request input parameters.
@@ -148,8 +132,5 @@ func dnsCompatibleBucketName(bucket string) bool {
 // moveBucketToHost moves the bucket name from the URI path to URL host.
 func moveBucketToHost(u *url.URL, bucket string) {
 	u.Host = bucket + "." + u.Host
-	u.Path = strings.Replace(u.Path, "/{Bucket}", "", -1)
-	if u.Path == "" {
-		u.Path = "/"
-	}
+	removeBucketFromPath(u)
 }

vendor/github.com/aws/aws-sdk-go/service/s3/internal/arn/accesspoint_arn.go

@@ -0,0 +1,45 @@
+package arn
+
+import (
+	"strings"
+
+	"github.com/aws/aws-sdk-go/aws/arn"
+)
+
+// AccessPointARN provides representation
+type AccessPointARN struct {
+	arn.ARN
+	AccessPointName string
+}
+
+// GetARN returns the base ARN for the Access Point resource
+func (a AccessPointARN) GetARN() arn.ARN {
+	return a.ARN
+}
+
+// ParseAccessPointResource attempts to parse the ARN's resource as an
+// AccessPoint resource.
+func ParseAccessPointResource(a arn.ARN, resParts []string) (AccessPointARN, error) {
+	if len(a.Region) == 0 {
+		return AccessPointARN{}, InvalidARNError{a, "region not set"}
+	}
+	if len(a.AccountID) == 0 {
+		return AccessPointARN{}, InvalidARNError{a, "account-id not set"}
+	}
+	if len(resParts) == 0 {
+		return AccessPointARN{}, InvalidARNError{a, "resource-id not set"}
+	}
+	if len(resParts) > 1 {
+		return AccessPointARN{}, InvalidARNError{a, "sub resource not supported"}
+	}
+
+	resID := resParts[0]
+	if len(strings.TrimSpace(resID)) == 0 {
+		return AccessPointARN{}, InvalidARNError{a, "resource-id not set"}
+	}
+
+	return AccessPointARN{
+		ARN:             a,
+		AccessPointName: resID,
+	}, nil
+}

vendor/github.com/aws/aws-sdk-go/service/s3/internal/arn/arn.go

@@ -0,0 +1,71 @@
+package arn
+
+import (
+	"strings"
+
+	"github.com/aws/aws-sdk-go/aws/arn"
+)
+
+// Resource provides the interfaces abstracting ARNs of specific resource
+// types.
+type Resource interface {
+	GetARN() arn.ARN
+	String() string
+}
+
+// ResourceParser provides the function for parsing an ARN's resource
+// component into a typed resource.
+type ResourceParser func(arn.ARN) (Resource, error)
+
+// ParseResource parses an AWS ARN into a typed resource for the S3 API.
+func ParseResource(s string, resParser ResourceParser) (resARN Resource, err error) {
+	a, err := arn.Parse(s)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(a.Partition) == 0 {
+		return nil, InvalidARNError{a, "partition not set"}
+	}
+	if a.Service != "s3" {
+		return nil, InvalidARNError{a, "service is not S3"}
+	}
+	if len(a.Resource) == 0 {
+		return nil, InvalidARNError{a, "resource not set"}
+	}
+
+	return resParser(a)
+}
+
+// SplitResource splits the resource components by the ARN resource delimiters.
+func SplitResource(v string) []string {
+	var parts []string
+	var offset int
+
+	for offset <= len(v) {
+		idx := strings.IndexAny(v[offset:], "/:")
+		if idx < 0 {
+			parts = append(parts, v[offset:])
+			break
+		}
+		parts = append(parts, v[offset:idx+offset])
+		offset += idx + 1
+	}
+
+	return parts
+}
+
+// IsARN returns whether the given string is an ARN
+func IsARN(s string) bool {
+	return arn.IsARN(s)
+}
+
+// InvalidARNError provides the error for an invalid ARN error.
+type InvalidARNError struct {
+	ARN    arn.ARN
+	Reason string
+}
+
+func (e InvalidARNError) Error() string {
+	return "invalid Amazon S3 ARN, " + e.Reason + ", " + e.ARN.String()
+}

vendor/github.com/aws/aws-sdk-go/service/s3/service.go

@@ -31,7 +31,7 @@ var initRequest func(*request.Request)
 const (
 	ServiceName = "s3"        // Name of service.
 	EndpointsID = ServiceName // ID to lookup a service endpoint with.
-	ServiceID   = "S3"        // ServiceID is a unique identifer of a specific service.
+	ServiceID   = "S3"        // ServiceID is a unique identifier of a specific service.
 )
 
 // New creates a new instance of the S3 client with a session.
@@ -39,6 +39,8 @@ const (
 // aws.Config parameter to add your extra config.
 //
 // Example:
+//     mySession := session.Must(session.NewSession())
+//
 //     // Create a S3 client from just a session.
 //     svc := s3.New(mySession)
 //
@@ -76,6 +78,7 @@ func newClient(cfg aws.Config, handlers request.Handlers, partitionID, endpoint,
 	svc.Handlers.UnmarshalMeta.PushBackNamed(restxml.UnmarshalMetaHandler)
 	svc.Handlers.UnmarshalError.PushBackNamed(restxml.UnmarshalErrorHandler)
 
+	svc.Handlers.BuildStream.PushBackNamed(restxml.BuildHandler)
 	svc.Handlers.UnmarshalStream.PushBackNamed(restxml.UnmarshalHandler)
 
 	// Run custom client initialization if present

vendor/github.com/aws/aws-sdk-go/service/sts/api.go

@@ -78,6 +78,8 @@ func (c *STS) AssumeRoleRequest(input *AssumeRoleInput) (req *request.Request, o
 // IAM Roles (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles.html)
 // in the IAM User Guide.
 //
+// Session Duration
+//
 // By default, the temporary security credentials created by AssumeRole last
 // for one hour. However, you can use the optional DurationSeconds parameter
 // to specify the duration of your session. You can provide a value from 900
@@ -91,6 +93,8 @@ func (c *STS) AssumeRoleRequest(input *AssumeRoleInput) (req *request.Request, o
 // URL. For more information, see Using IAM Roles (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html)
 // in the IAM User Guide.
 //
+// Permissions
+//
 // The temporary security credentials created by AssumeRole can be used to make
 // API calls to any AWS service with the following exception: You cannot call
 // the AWS STS GetFederationToken or GetSessionToken API operations.
@@ -99,7 +103,7 @@ func (c *STS) AssumeRoleRequest(input *AssumeRoleInput) (req *request.Request, o
 // to this operation. You can pass a single JSON policy document to use as an
 // inline session policy. You can also specify up to 10 managed policies to
 // use as managed session policies. The plain text that you use for both inline
-// and managed session policies shouldn't exceed 2048 characters. Passing policies
+// and managed session policies can't exceed 2,048 characters. Passing policies
 // to this operation returns new temporary credentials. The resulting session's
 // permissions are the intersection of the role's identity-based policy and
 // the session policies. You can use the role's temporary credentials in subsequent
@@ -131,6 +135,24 @@ func (c *STS) AssumeRoleRequest(input *AssumeRoleInput) (req *request.Request, o
 // see IAM Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html)
 // in the IAM User Guide.
 //
+// Tags
+//
+// (Optional) You can pass tag key-value pairs to your session. These tags are
+// called session tags. For more information about session tags, see Passing
+// Session Tags in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+// in the IAM User Guide.
+//
+// An administrator must grant you the permissions necessary to pass session
+// tags. The administrator can also create granular permissions to allow you
+// to pass only specific session tags. For more information, see Tutorial: Using
+// Tags for Attribute-Based Access Control (https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_attribute-based-access-control.html)
+// in the IAM User Guide.
+//
+// You can set the session tags as transitive. Transitive tags persist during
+// role chaining. For more information, see Chaining Roles with Session Tags
+// (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_role-chaining)
+// in the IAM User Guide.
+//
 // Using MFA with AssumeRole
 //
 // (Optional) You can include multi-factor authentication (MFA) information
@@ -165,9 +187,18 @@ func (c *STS) AssumeRoleRequest(input *AssumeRoleInput) (req *request.Request, o
 //   message describes the specific error.
 //
 //   * ErrCodePackedPolicyTooLargeException "PackedPolicyTooLarge"
-//   The request was rejected because the policy document was too large. The error
-//   message describes how big the policy document is, in packed form, as a percentage
-//   of what the API allows.
+//   The request was rejected because the total packed size of the session policies
+//   and session tags combined was too large. An AWS conversion compresses the
+//   session policy document, session policy ARNs, and session tags into a packed
+//   binary format that has a separate limit. The error message indicates by percentage
+//   how close the policies and tags are to the upper size limit. For more information,
+//   see Passing Session Tags in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+//   in the IAM User Guide.
+//
+//   You could receive this error even though you meet other defined session policy
+//   and session tag limits. For more information, see IAM and STS Entity Character
+//   Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_enable-regions.html)
+//   in the IAM User Guide.
 //
 //   * ErrCodeRegionDisabledException "RegionDisabledException"
 //   STS is not activated in the requested region for the account that is being
@@ -256,6 +287,8 @@ func (c *STS) AssumeRoleWithSAMLRequest(input *AssumeRoleWithSAMLInput) (req *re
 // an access key ID, a secret access key, and a security token. Applications
 // can use these temporary security credentials to sign calls to AWS services.
 //
+// Session Duration
+//
 // By default, the temporary security credentials created by AssumeRoleWithSAML
 // last for one hour. However, you can use the optional DurationSeconds parameter
 // to specify the duration of your session. Your role session lasts for the
@@ -271,6 +304,8 @@ func (c *STS) AssumeRoleWithSAMLRequest(input *AssumeRoleWithSAMLInput) (req *re
 // URL. For more information, see Using IAM Roles (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html)
 // in the IAM User Guide.
 //
+// Permissions
+//
 // The temporary security credentials created by AssumeRoleWithSAML can be used
 // to make API calls to any AWS service with the following exception: you cannot
 // call the STS GetFederationToken or GetSessionToken API operations.
@@ -279,7 +314,7 @@ func (c *STS) AssumeRoleWithSAMLRequest(input *AssumeRoleWithSAMLInput) (req *re
 // to this operation. You can pass a single JSON policy document to use as an
 // inline session policy. You can also specify up to 10 managed policies to
 // use as managed session policies. The plain text that you use for both inline
-// and managed session policies shouldn't exceed 2048 characters. Passing policies
+// and managed session policies can't exceed 2,048 characters. Passing policies
 // to this operation returns new temporary credentials. The resulting session's
 // permissions are the intersection of the role's identity-based policy and
 // the session policies. You can use the role's temporary credentials in subsequent
@@ -289,12 +324,6 @@ func (c *STS) AssumeRoleWithSAMLRequest(input *AssumeRoleWithSAMLInput) (req *re
 // information, see Session Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
 // in the IAM User Guide.
 //
-// Before your application can call AssumeRoleWithSAML, you must configure your
-// SAML identity provider (IdP) to issue the claims required by AWS. Additionally,
-// you must use AWS Identity and Access Management (IAM) to create a SAML provider
-// entity in your AWS account that represents your identity provider. You must
-// also create an IAM role that specifies this SAML provider in its trust policy.
-//
 // Calling AssumeRoleWithSAML does not require the use of AWS security credentials.
 // The identity of the caller is validated by using keys in the metadata document
 // that is uploaded for the SAML provider entity for your identity provider.
@@ -302,8 +331,50 @@ func (c *STS) AssumeRoleWithSAMLRequest(input *AssumeRoleWithSAMLInput) (req *re
 // Calling AssumeRoleWithSAML can result in an entry in your AWS CloudTrail
 // logs. The entry includes the value in the NameID element of the SAML assertion.
 // We recommend that you use a NameIDType that is not associated with any personally
-// identifiable information (PII). For example, you could instead use the Persistent
-// Identifier (urn:oasis:names:tc:SAML:2.0:nameid-format:persistent).
+// identifiable information (PII). For example, you could instead use the persistent
+// identifier (urn:oasis:names:tc:SAML:2.0:nameid-format:persistent).
+//
+// Tags
+//
+// (Optional) You can configure your IdP to pass attributes into your SAML assertion
+// as session tags. Each session tag consists of a key name and an associated
+// value. For more information about session tags, see Passing Session Tags
+// in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+// in the IAM User Guide.
+//
+// You can pass up to 50 session tags. The plain text session tag keys can’t
+// exceed 128 characters and the values can’t exceed 256 characters. For these
+// and additional limits, see IAM and STS Character Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length)
+// in the IAM User Guide.
+//
+// An AWS conversion compresses the passed session policies and session tags
+// into a packed binary format that has a separate limit. Your request can fail
+// for this limit even if your plain text meets the other requirements. The
+// PackedPolicySize response element indicates by percentage how close the policies
+// and tags for your request are to the upper size limit.
+//
+// You can pass a session tag with the same key as a tag that is attached to
+// the role. When you do, session tags override the role's tags with the same
+// key.
+//
+// An administrator must grant you the permissions necessary to pass session
+// tags. The administrator can also create granular permissions to allow you
+// to pass only specific session tags. For more information, see Tutorial: Using
+// Tags for Attribute-Based Access Control (https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_attribute-based-access-control.html)
+// in the IAM User Guide.
+//
+// You can set the session tags as transitive. Transitive tags persist during
+// role chaining. For more information, see Chaining Roles with Session Tags
+// (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_role-chaining)
+// in the IAM User Guide.
+//
+// SAML Configuration
+//
+// Before your application can call AssumeRoleWithSAML, you must configure your
+// SAML identity provider (IdP) to issue the claims required by AWS. Additionally,
+// you must use AWS Identity and Access Management (IAM) to create a SAML provider
+// entity in your AWS account that represents your identity provider. You must
+// also create an IAM role that specifies this SAML provider in its trust policy.
 //
 // For more information, see the following resources:
 //
@@ -332,9 +403,18 @@ func (c *STS) AssumeRoleWithSAMLRequest(input *AssumeRoleWithSAMLInput) (req *re
 //   message describes the specific error.
 //
 //   * ErrCodePackedPolicyTooLargeException "PackedPolicyTooLarge"
-//   The request was rejected because the policy document was too large. The error
-//   message describes how big the policy document is, in packed form, as a percentage
-//   of what the API allows.
+//   The request was rejected because the total packed size of the session policies
+//   and session tags combined was too large. An AWS conversion compresses the
+//   session policy document, session policy ARNs, and session tags into a packed
+//   binary format that has a separate limit. The error message indicates by percentage
+//   how close the policies and tags are to the upper size limit. For more information,
+//   see Passing Session Tags in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+//   in the IAM User Guide.
+//
+//   You could receive this error even though you meet other defined session policy
+//   and session tag limits. For more information, see IAM and STS Entity Character
+//   Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_enable-regions.html)
+//   in the IAM User Guide.
 //
 //   * ErrCodeIDPRejectedClaimException "IDPRejectedClaim"
 //   The identity provider (IdP) reported that authentication failed. This might
@@ -456,6 +536,8 @@ func (c *STS) AssumeRoleWithWebIdentityRequest(input *AssumeRoleWithWebIdentityI
 // key ID, a secret access key, and a security token. Applications can use these
 // temporary security credentials to sign calls to AWS service API operations.
 //
+// Session Duration
+//
 // By default, the temporary security credentials created by AssumeRoleWithWebIdentity
 // last for one hour. However, you can use the optional DurationSeconds parameter
 // to specify the duration of your session. You can provide a value from 900
@@ -469,6 +551,8 @@ func (c *STS) AssumeRoleWithWebIdentityRequest(input *AssumeRoleWithWebIdentityI
 // URL. For more information, see Using IAM Roles (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use.html)
 // in the IAM User Guide.
 //
+// Permissions
+//
 // The temporary security credentials created by AssumeRoleWithWebIdentity can
 // be used to make API calls to any AWS service with the following exception:
 // you cannot call the STS GetFederationToken or GetSessionToken API operations.
@@ -477,7 +561,7 @@ func (c *STS) AssumeRoleWithWebIdentityRequest(input *AssumeRoleWithWebIdentityI
 // to this operation. You can pass a single JSON policy document to use as an
 // inline session policy. You can also specify up to 10 managed policies to
 // use as managed session policies. The plain text that you use for both inline
-// and managed session policies shouldn't exceed 2048 characters. Passing policies
+// and managed session policies can't exceed 2,048 characters. Passing policies
 // to this operation returns new temporary credentials. The resulting session's
 // permissions are the intersection of the role's identity-based policy and
 // the session policies. You can use the role's temporary credentials in subsequent
@@ -487,6 +571,42 @@ func (c *STS) AssumeRoleWithWebIdentityRequest(input *AssumeRoleWithWebIdentityI
 // information, see Session Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
 // in the IAM User Guide.
 //
+// Tags
+//
+// (Optional) You can configure your IdP to pass attributes into your web identity
+// token as session tags. Each session tag consists of a key name and an associated
+// value. For more information about session tags, see Passing Session Tags
+// in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+// in the IAM User Guide.
+//
+// You can pass up to 50 session tags. The plain text session tag keys can’t
+// exceed 128 characters and the values can’t exceed 256 characters. For these
+// and additional limits, see IAM and STS Character Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length)
+// in the IAM User Guide.
+//
+// An AWS conversion compresses the passed session policies and session tags
+// into a packed binary format that has a separate limit. Your request can fail
+// for this limit even if your plain text meets the other requirements. The
+// PackedPolicySize response element indicates by percentage how close the policies
+// and tags for your request are to the upper size limit.
+//
+// You can pass a session tag with the same key as a tag that is attached to
+// the role. When you do, the session tag overrides the role tag with the same
+// key.
+//
+// An administrator must grant you the permissions necessary to pass session
+// tags. The administrator can also create granular permissions to allow you
+// to pass only specific session tags. For more information, see Tutorial: Using
+// Tags for Attribute-Based Access Control (https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_attribute-based-access-control.html)
+// in the IAM User Guide.
+//
+// You can set the session tags as transitive. Transitive tags persist during
+// role chaining. For more information, see Chaining Roles with Session Tags
+// (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_role-chaining)
+// in the IAM User Guide.
+//
+// Identities
+//
 // Before your application can call AssumeRoleWithWebIdentity, you must have
 // an identity token from a supported identity provider and create a role that
 // the application can assume. The role that your application assumes must trust
@@ -514,8 +634,8 @@ func (c *STS) AssumeRoleWithWebIdentityRequest(input *AssumeRoleWithWebIdentityI
 //    * AWS SDK for iOS Developer Guide (http://aws.amazon.com/sdkforios/) and
 //    AWS SDK for Android Developer Guide (http://aws.amazon.com/sdkforandroid/).
 //    These toolkits contain sample apps that show how to invoke the identity
-//    providers, and then how to use the information from these providers to
-//    get and use temporary security credentials.
+//    providers. The toolkits then show how to use the information from these
+//    providers to get and use temporary security credentials.
 //
 //    * Web Identity Federation with Mobile Applications (http://aws.amazon.com/articles/web-identity-federation-with-mobile-applications).
 //    This article discusses web identity federation and shows an example of
@@ -535,9 +655,18 @@ func (c *STS) AssumeRoleWithWebIdentityRequest(input *AssumeRoleWithWebIdentityI
 //   message describes the specific error.
 //
 //   * ErrCodePackedPolicyTooLargeException "PackedPolicyTooLarge"
-//   The request was rejected because the policy document was too large. The error
-//   message describes how big the policy document is, in packed form, as a percentage
-//   of what the API allows.
+//   The request was rejected because the total packed size of the session policies
+//   and session tags combined was too large. An AWS conversion compresses the
+//   session policy document, session policy ARNs, and session tags into a packed
+//   binary format that has a separate limit. The error message indicates by percentage
+//   how close the policies and tags are to the upper size limit. For more information,
+//   see Passing Session Tags in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+//   in the IAM User Guide.
+//
+//   You could receive this error even though you meet other defined session policy
+//   and session tag limits. For more information, see IAM and STS Entity Character
+//   Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_enable-regions.html)
+//   in the IAM User Guide.
 //
 //   * ErrCodeIDPRejectedClaimException "IDPRejectedClaim"
 //   The identity provider (IdP) reported that authentication failed. This might
@@ -547,11 +676,11 @@ func (c *STS) AssumeRoleWithWebIdentityRequest(input *AssumeRoleWithWebIdentityI
 //   can also mean that the claim has expired or has been explicitly revoked.
 //
 //   * ErrCodeIDPCommunicationErrorException "IDPCommunicationError"
-//   The request could not be fulfilled because the non-AWS identity provider
-//   (IDP) that was asked to verify the incoming identity token could not be reached.
-//   This is often a transient error caused by network conditions. Retry the request
+//   The request could not be fulfilled because the identity provider (IDP) that
+//   was asked to verify the incoming identity token could not be reached. This
+//   is often a transient error caused by network conditions. Retry the request
 //   a limited number of times so that you don't exceed the request rate. If the
-//   error persists, the non-AWS identity provider might be down or not responding.
+//   error persists, the identity provider might be down or not responding.
 //
 //   * ErrCodeInvalidIdentityTokenException "InvalidIdentityToken"
 //   The web identity token that was passed could not be validated by AWS. Get
@@ -676,9 +805,9 @@ func (c *STS) DecodeAuthorizationMessageRequest(input *DecodeAuthorizationMessag
 //
 // Returned Error Codes:
 //   * ErrCodeInvalidAuthorizationMessageException "InvalidAuthorizationMessageException"
-//   This error is returned if the message passed to DecodeAuthorizationMessage
-//   was invalid. This can happen if the token contains invalid characters, such
-//   as linebreaks.
+//   The error returned if the message passed to DecodeAuthorizationMessage was
+//   invalid. This can happen if the token contains invalid characters, such as
+//   linebreaks.
 //
 // See also, https://docs.aws.amazon.com/goto/WebAPI/sts-2011-06-15/DecodeAuthorizationMessage
 func (c *STS) DecodeAuthorizationMessage(input *DecodeAuthorizationMessageInput) (*DecodeAuthorizationMessageOutput, error) {
@@ -763,7 +892,8 @@ func (c *STS) GetAccessKeyInfoRequest(input *GetAccessKeyInfoInput) (req *reques
 // pull a credentials report (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_getting-report.html)
 // to learn which IAM user owns the keys. To learn who requested the temporary
 // credentials for an ASIA access key, view the STS events in your CloudTrail
-// logs (https://docs.aws.amazon.com/IAM/latest/UserGuide/cloudtrail-integration.html).
+// logs (https://docs.aws.amazon.com/IAM/latest/UserGuide/cloudtrail-integration.html)
+// in the IAM User Guide.
 //
 // This operation does not indicate the state of the access key. The key might
 // be active, inactive, or deleted. Active keys might not have permissions to
@@ -850,7 +980,8 @@ func (c *STS) GetCallerIdentityRequest(input *GetCallerIdentityInput) (req *requ
 // sts:GetCallerIdentity action, you can still perform this operation. Permissions
 // are not required because the same information is returned when an IAM user
 // or role is denied access. To view an example response, see I Am Not Authorized
-// to Perform: iam:DeleteVirtualMFADevice (https://docs.aws.amazon.com/IAM/latest/UserGuide/troubleshoot_general.html#troubleshoot_general_access-denied-delete-mfa).
+// to Perform: iam:DeleteVirtualMFADevice (https://docs.aws.amazon.com/IAM/latest/UserGuide/troubleshoot_general.html#troubleshoot_general_access-denied-delete-mfa)
+// in the IAM User Guide.
 //
 // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
 // with awserr.Error's Code and Message methods to get detailed information about
@@ -942,7 +1073,8 @@ func (c *STS) GetFederationTokenRequest(input *GetFederationTokenInput) (req *re
 // or an OpenID Connect-compatible identity provider. In this case, we recommend
 // that you use Amazon Cognito (http://aws.amazon.com/cognito/) or AssumeRoleWithWebIdentity.
 // For more information, see Federation Through a Web-based Identity Provider
-// (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#api_assumerolewithwebidentity).
+// (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#api_assumerolewithwebidentity)
+// in the IAM User Guide.
 //
 // You can also call GetFederationToken using the security credentials of an
 // AWS account root user, but we do not recommend it. Instead, we recommend
@@ -952,41 +1084,67 @@ func (c *STS) GetFederationTokenRequest(input *GetFederationTokenInput) (req *re
 // Practices (https://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html)
 // in the IAM User Guide.
 //
+// Session duration
+//
 // The temporary credentials are valid for the specified duration, from 900
 // seconds (15 minutes) up to a maximum of 129,600 seconds (36 hours). The default
-// is 43,200 seconds (12 hours). Temporary credentials that are obtained by
-// using AWS account root user credentials have a maximum duration of 3,600
-// seconds (1 hour).
-//
-// The temporary security credentials created by GetFederationToken can be used
-// to make API calls to any AWS service with the following exceptions:
-//
-//    * You cannot use these credentials to call any IAM API operations.
-//
-//    * You cannot call any STS API operations except GetCallerIdentity.
+// session duration is 43,200 seconds (12 hours). Temporary credentials that
+// are obtained by using AWS account root user credentials have a maximum duration
+// of 3,600 seconds (1 hour).
 //
 // Permissions
 //
+// You can use the temporary credentials created by GetFederationToken in any
+// AWS service except the following:
+//
+//    * You cannot call any IAM operations using the AWS CLI or the AWS API.
+//
+//    * You cannot call any STS operations except GetCallerIdentity.
+//
 // You must pass an inline or managed session policy (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
 // to this operation. You can pass a single JSON policy document to use as an
 // inline session policy. You can also specify up to 10 managed policies to
 // use as managed session policies. The plain text that you use for both inline
-// and managed session policies shouldn't exceed 2048 characters.
+// and managed session policies can't exceed 2,048 characters.
 //
 // Though the session policy parameters are optional, if you do not pass a policy,
-// then the resulting federated user session has no permissions. The only exception
-// is when the credentials are used to access a resource that has a resource-based
-// policy that specifically references the federated user session in the Principal
-// element of the policy. When you pass session policies, the session permissions
-// are the intersection of the IAM user policies and the session policies that
-// you pass. This gives you a way to further restrict the permissions for a
-// federated user. You cannot use session policies to grant more permissions
-// than those that are defined in the permissions policy of the IAM user. For
-// more information, see Session Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
+// then the resulting federated user session has no permissions. When you pass
+// session policies, the session permissions are the intersection of the IAM
+// user policies and the session policies that you pass. This gives you a way
+// to further restrict the permissions for a federated user. You cannot use
+// session policies to grant more permissions than those that are defined in
+// the permissions policy of the IAM user. For more information, see Session
+// Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
 // in the IAM User Guide. For information about using GetFederationToken to
 // create temporary security credentials, see GetFederationToken—Federation
 // Through a Custom Identity Broker (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#api_getfederationtoken).
 //
+// You can use the credentials to access a resource that has a resource-based
+// policy. If that policy specifically references the federated user session
+// in the Principal element of the policy, the session has the permissions allowed
+// by the policy. These permissions are granted in addition to the permissions
+// granted by the session policies.
+//
+// Tags
+//
+// (Optional) You can pass tag key-value pairs to your session. These are called
+// session tags. For more information about session tags, see Passing Session
+// Tags in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+// in the IAM User Guide.
+//
+// An administrator must grant you the permissions necessary to pass session
+// tags. The administrator can also create granular permissions to allow you
+// to pass only specific session tags. For more information, see Tutorial: Using
+// Tags for Attribute-Based Access Control (https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_attribute-based-access-control.html)
+// in the IAM User Guide.
+//
+// Tag key–value pairs are not case sensitive, but case is preserved. This
+// means that you cannot have separate Department and department tag keys. Assume
+// that the user that you are federating has the Department=Marketing tag and
+// you pass the department=engineering session tag. Department and department
+// are not saved as separate tags, and the session tag passed in the request
+// takes precedence over the user tag.
+//
 // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
 // with awserr.Error's Code and Message methods to get detailed information about
 // the error.
@@ -1000,9 +1158,18 @@ func (c *STS) GetFederationTokenRequest(input *GetFederationTokenInput) (req *re
 //   message describes the specific error.
 //
 //   * ErrCodePackedPolicyTooLargeException "PackedPolicyTooLarge"
-//   The request was rejected because the policy document was too large. The error
-//   message describes how big the policy document is, in packed form, as a percentage
-//   of what the API allows.
+//   The request was rejected because the total packed size of the session policies
+//   and session tags combined was too large. An AWS conversion compresses the
+//   session policy document, session policy ARNs, and session tags into a packed
+//   binary format that has a separate limit. The error message indicates by percentage
+//   how close the policies and tags are to the upper size limit. For more information,
+//   see Passing Session Tags in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+//   in the IAM User Guide.
+//
+//   You could receive this error even though you meet other defined session policy
+//   and session tag limits. For more information, see IAM and STS Entity Character
+//   Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_enable-regions.html)
+//   in the IAM User Guide.
 //
 //   * ErrCodeRegionDisabledException "RegionDisabledException"
 //   STS is not activated in the requested region for the account that is being
@@ -1091,6 +1258,8 @@ func (c *STS) GetSessionTokenRequest(input *GetSessionTokenInput) (req *request.
 // and Comparing the AWS STS API operations (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_request.html#stsapi_comparison)
 // in the IAM User Guide.
 //
+// Session Duration
+//
 // The GetSessionToken operation must be called by using the long-term AWS security
 // credentials of the AWS account root user or an IAM user. Credentials that
 // are created by IAM users are valid for the duration that you specify. This
@@ -1099,6 +1268,8 @@ func (c *STS) GetSessionTokenRequest(input *GetSessionTokenInput) (req *request.
 // based on account credentials can range from 900 seconds (15 minutes) up to
 // 3,600 seconds (1 hour), with a default of 1 hour.
 //
+// Permissions
+//
 // The temporary security credentials created by GetSessionToken can be used
 // to make API calls to any AWS service with the following exceptions:
 //
@@ -1213,16 +1384,16 @@ type AssumeRoleInput struct {
 	// in the IAM User Guide.
 	//
 	// The plain text that you use for both inline and managed session policies
-	// shouldn't exceed 2048 characters. The JSON policy characters can be any ASCII
+	// can't exceed 2,048 characters. The JSON policy characters can be any ASCII
 	// character from the space character to the end of the valid character list
 	// (\u0020 through \u00FF). It can also include the tab (\u0009), linefeed (\u000A),
 	// and carriage return (\u000D) characters.
 	//
-	// The characters in this parameter count towards the 2048 character session
-	// policy guideline. However, an AWS conversion compresses the session policies
-	// into a packed binary format that has a separate limit. This is the enforced
-	// limit. The PackedPolicySize response element indicates by percentage how
-	// close the policy is to the upper size limit.
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
 	Policy *string `min:"1" type:"string"`
 
 	// The Amazon Resource Names (ARNs) of the IAM managed policies that you want
@@ -1231,15 +1402,15 @@ type AssumeRoleInput struct {
 	//
 	// This parameter is optional. You can provide up to 10 managed policy ARNs.
 	// However, the plain text that you use for both inline and managed session
-	// policies shouldn't exceed 2048 characters. For more information about ARNs,
+	// policies can't exceed 2,048 characters. For more information about ARNs,
 	// see Amazon Resource Names (ARNs) and AWS Service Namespaces (https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html)
 	// in the AWS General Reference.
 	//
-	// The characters in this parameter count towards the 2048 character session
-	// policy guideline. However, an AWS conversion compresses the session policies
-	// into a packed binary format that has a separate limit. This is the enforced
-	// limit. The PackedPolicySize response element indicates by percentage how
-	// close the policy is to the upper size limit.
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
 	//
 	// Passing policies to this operation returns new temporary credentials. The
 	// resulting session's permissions are the intersection of the role's identity-based
@@ -1284,6 +1455,41 @@ type AssumeRoleInput struct {
 	// also include underscores or any of the following characters: =,.@-
 	SerialNumber *string `min:"9" type:"string"`
 
+	// A list of session tags that you want to pass. Each session tag consists of
+	// a key name and an associated value. For more information about session tags,
+	// see Tagging AWS STS Sessions (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+	// in the IAM User Guide.
+	//
+	// This parameter is optional. You can pass up to 50 session tags. The plain
+	// text session tag keys can’t exceed 128 characters, and the values can’t
+	// exceed 256 characters. For these and additional limits, see IAM and STS Character
+	// Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length)
+	// in the IAM User Guide.
+	//
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
+	//
+	// You can pass a session tag with the same key as a tag that is already attached
+	// to the role. When you do, session tags override a role tag with the same
+	// key.
+	//
+	// Tag key–value pairs are not case sensitive, but case is preserved. This
+	// means that you cannot have separate Department and department tag keys. Assume
+	// that the role has the Department=Marketing tag and you pass the department=engineering
+	// session tag. Department and department are not saved as separate tags, and
+	// the session tag passed in the request takes precedence over the role tag.
+	//
+	// Additionally, if you used temporary credentials to perform this operation,
+	// the new session inherits any transitive session tags from the calling session.
+	// If you pass a session tag with the same key as an inherited tag, the operation
+	// fails. To view the inherited tags for a session, see the AWS CloudTrail logs.
+	// For more information, see Viewing Session Tags in CloudTrail (https://docs.aws.amazon.com/IAM/latest/UserGuide/session-tags.html#id_session-tags_ctlogs)
+	// in the IAM User Guide.
+	Tags []*Tag `type:"list"`
+
 	// The value provided by the MFA device, if the trust policy of the role being
 	// assumed requires MFA (that is, if the policy includes a condition that tests
 	// for MFA). If the role being assumed requires MFA and if the TokenCode value
@@ -1292,6 +1498,19 @@ type AssumeRoleInput struct {
 	// The format for this parameter, as described by its regex pattern, is a sequence
 	// of six numeric digits.
 	TokenCode *string `min:"6" type:"string"`
+
+	// A list of keys for session tags that you want to set as transitive. If you
+	// set a tag key as transitive, the corresponding key and value passes to subsequent
+	// sessions in a role chain. For more information, see Chaining Roles with Session
+	// Tags (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html#id_session-tags_role-chaining)
+	// in the IAM User Guide.
+	//
+	// This parameter is optional. When you set session tags as transitive, the
+	// session policy and session tags packed binary limit is not affected.
+	//
+	// If you choose not to specify a transitive tag key, then no tags are passed
+	// from this session to any subsequent sessions.
+	TransitiveTagKeys []*string `type:"list"`
 }
 
 // String returns the string representation
@@ -1344,6 +1563,16 @@ func (s *AssumeRoleInput) Validate() error {
 			}
 		}
 	}
+	if s.Tags != nil {
+		for i, v := range s.Tags {
+			if v == nil {
+				continue
+			}
+			if err := v.Validate(); err != nil {
+				invalidParams.AddNested(fmt.Sprintf("%s[%v]", "Tags", i), err.(request.ErrInvalidParams))
+			}
+		}
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -1393,12 +1622,24 @@ func (s *AssumeRoleInput) SetSerialNumber(v string) *AssumeRoleInput {
 	return s
 }
 
+// SetTags sets the Tags field's value.
+func (s *AssumeRoleInput) SetTags(v []*Tag) *AssumeRoleInput {
+	s.Tags = v
+	return s
+}
+
 // SetTokenCode sets the TokenCode field's value.
 func (s *AssumeRoleInput) SetTokenCode(v string) *AssumeRoleInput {
 	s.TokenCode = &v
 	return s
 }
 
+// SetTransitiveTagKeys sets the TransitiveTagKeys field's value.
+func (s *AssumeRoleInput) SetTransitiveTagKeys(v []*string) *AssumeRoleInput {
+	s.TransitiveTagKeys = v
+	return s
+}
+
 // Contains the response to a successful AssumeRole request, including temporary
 // AWS credentials that can be used to make AWS requests.
 type AssumeRoleOutput struct {
@@ -1418,9 +1659,10 @@ type AssumeRoleOutput struct {
 	// We strongly recommend that you make no assumptions about the maximum size.
 	Credentials *Credentials `type:"structure"`
 
-	// A percentage value that indicates the size of the policy in packed form.
-	// The service rejects any policy with a packed size greater than 100 percent,
-	// which means the policy exceeded the allowed space.
+	// A percentage value that indicates the packed size of the session policies
+	// and session tags combined passed in the request. The request fails if the
+	// packed size is greater than 100 percent, which means the policies and tags
+	// exceeded the allowed space.
 	PackedPolicySize *int64 `type:"integer"`
 }
 
@@ -1491,16 +1733,16 @@ type AssumeRoleWithSAMLInput struct {
 	// in the IAM User Guide.
 	//
 	// The plain text that you use for both inline and managed session policies
-	// shouldn't exceed 2048 characters. The JSON policy characters can be any ASCII
+	// can't exceed 2,048 characters. The JSON policy characters can be any ASCII
 	// character from the space character to the end of the valid character list
 	// (\u0020 through \u00FF). It can also include the tab (\u0009), linefeed (\u000A),
 	// and carriage return (\u000D) characters.
 	//
-	// The characters in this parameter count towards the 2048 character session
-	// policy guideline. However, an AWS conversion compresses the session policies
-	// into a packed binary format that has a separate limit. This is the enforced
-	// limit. The PackedPolicySize response element indicates by percentage how
-	// close the policy is to the upper size limit.
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
 	Policy *string `min:"1" type:"string"`
 
 	// The Amazon Resource Names (ARNs) of the IAM managed policies that you want
@@ -1509,15 +1751,15 @@ type AssumeRoleWithSAMLInput struct {
 	//
 	// This parameter is optional. You can provide up to 10 managed policy ARNs.
 	// However, the plain text that you use for both inline and managed session
-	// policies shouldn't exceed 2048 characters. For more information about ARNs,
+	// policies can't exceed 2,048 characters. For more information about ARNs,
 	// see Amazon Resource Names (ARNs) and AWS Service Namespaces (https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html)
 	// in the AWS General Reference.
 	//
-	// The characters in this parameter count towards the 2048 character session
-	// policy guideline. However, an AWS conversion compresses the session policies
-	// into a packed binary format that has a separate limit. This is the enforced
-	// limit. The PackedPolicySize response element indicates by percentage how
-	// close the policy is to the upper size limit.
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
 	//
 	// Passing policies to this operation returns new temporary credentials. The
 	// resulting session's permissions are the intersection of the role's identity-based
@@ -1673,9 +1915,10 @@ type AssumeRoleWithSAMLOutput struct {
 	// ) )
 	NameQualifier *string `type:"string"`
 
-	// A percentage value that indicates the size of the policy in packed form.
-	// The service rejects any policy with a packed size greater than 100 percent,
-	// which means the policy exceeded the allowed space.
+	// A percentage value that indicates the packed size of the session policies
+	// and session tags combined passed in the request. The request fails if the
+	// packed size is greater than 100 percent, which means the policies and tags
+	// exceeded the allowed space.
 	PackedPolicySize *int64 `type:"integer"`
 
 	// The value of the NameID element in the Subject element of the SAML assertion.
@@ -1786,16 +2029,16 @@ type AssumeRoleWithWebIdentityInput struct {
 	// in the IAM User Guide.
 	//
 	// The plain text that you use for both inline and managed session policies
-	// shouldn't exceed 2048 characters. The JSON policy characters can be any ASCII
+	// can't exceed 2,048 characters. The JSON policy characters can be any ASCII
 	// character from the space character to the end of the valid character list
 	// (\u0020 through \u00FF). It can also include the tab (\u0009), linefeed (\u000A),
 	// and carriage return (\u000D) characters.
 	//
-	// The characters in this parameter count towards the 2048 character session
-	// policy guideline. However, an AWS conversion compresses the session policies
-	// into a packed binary format that has a separate limit. This is the enforced
-	// limit. The PackedPolicySize response element indicates by percentage how
-	// close the policy is to the upper size limit.
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
 	Policy *string `min:"1" type:"string"`
 
 	// The Amazon Resource Names (ARNs) of the IAM managed policies that you want
@@ -1804,15 +2047,15 @@ type AssumeRoleWithWebIdentityInput struct {
 	//
 	// This parameter is optional. You can provide up to 10 managed policy ARNs.
 	// However, the plain text that you use for both inline and managed session
-	// policies shouldn't exceed 2048 characters. For more information about ARNs,
+	// policies can't exceed 2,048 characters. For more information about ARNs,
 	// see Amazon Resource Names (ARNs) and AWS Service Namespaces (https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html)
 	// in the AWS General Reference.
 	//
-	// The characters in this parameter count towards the 2048 character session
-	// policy guideline. However, an AWS conversion compresses the session policies
-	// into a packed binary format that has a separate limit. This is the enforced
-	// limit. The PackedPolicySize response element indicates by percentage how
-	// close the policy is to the upper size limit.
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
 	//
 	// Passing policies to this operation returns new temporary credentials. The
 	// resulting session's permissions are the intersection of the role's identity-based
@@ -1983,9 +2226,10 @@ type AssumeRoleWithWebIdentityOutput struct {
 	// We strongly recommend that you make no assumptions about the maximum size.
 	Credentials *Credentials `type:"structure"`
 
-	// A percentage value that indicates the size of the policy in packed form.
-	// The service rejects any policy with a packed size greater than 100 percent,
-	// which means the policy exceeded the allowed space.
+	// A percentage value that indicates the packed size of the session policies
+	// and session tags combined passed in the request. The request fails if the
+	// packed size is greater than 100 percent, which means the policies and tags
+	// exceeded the allowed space.
 	PackedPolicySize *int64 `type:"integer"`
 
 	// The issuing authority of the web identity token presented. For OpenID Connect
@@ -2057,7 +2301,7 @@ type AssumedRoleUser struct {
 	// The ARN of the temporary security credentials that are returned from the
 	// AssumeRole action. For more information about ARNs and how to use them in
 	// policies, see IAM Identifiers (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_identifiers.html)
-	// in Using IAM.
+	// in the IAM User Guide.
 	//
 	// Arn is a required field
 	Arn *string `min:"20" type:"string" required:"true"`
@@ -2225,7 +2469,7 @@ type FederatedUser struct {
 	// The ARN that specifies the federated user that is associated with the credentials.
 	// For more information about ARNs and how to use them in policies, see IAM
 	// Identifiers (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_identifiers.html)
-	// in Using IAM.
+	// in the IAM User Guide.
 	//
 	// Arn is a required field
 	Arn *string `min:"20" type:"string" required:"true"`
@@ -2265,7 +2509,7 @@ type GetAccessKeyInfoInput struct {
 	// The identifier of an access key.
 	//
 	// This parameter allows (through its regex pattern) a string of characters
-	// that can consist of any upper- or lowercased letter or digit.
+	// that can consist of any upper- or lowercase letter or digit.
 	//
 	// AccessKeyId is a required field
 	AccessKeyId *string `min:"16" type:"string" required:"true"`
@@ -2418,10 +2662,7 @@ type GetFederationTokenInput struct {
 	// use as managed session policies.
 	//
 	// This parameter is optional. However, if you do not pass any session policies,
-	// then the resulting federated user session has no permissions. The only exception
-	// is when the credentials are used to access a resource that has a resource-based
-	// policy that specifically references the federated user session in the Principal
-	// element of the policy.
+	// then the resulting federated user session has no permissions.
 	//
 	// When you pass session policies, the session permissions are the intersection
 	// of the IAM user policies and the session policies that you pass. This gives
@@ -2431,17 +2672,23 @@ type GetFederationTokenInput struct {
 	// Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
 	// in the IAM User Guide.
 	//
+	// The resulting credentials can be used to access a resource that has a resource-based
+	// policy. If that policy specifically references the federated user session
+	// in the Principal element of the policy, the session has the permissions allowed
+	// by the policy. These permissions are granted in addition to the permissions
+	// that are granted by the session policies.
+	//
 	// The plain text that you use for both inline and managed session policies
-	// shouldn't exceed 2048 characters. The JSON policy characters can be any ASCII
+	// can't exceed 2,048 characters. The JSON policy characters can be any ASCII
 	// character from the space character to the end of the valid character list
 	// (\u0020 through \u00FF). It can also include the tab (\u0009), linefeed (\u000A),
 	// and carriage return (\u000D) characters.
 	//
-	// The characters in this parameter count towards the 2048 character session
-	// policy guideline. However, an AWS conversion compresses the session policies
-	// into a packed binary format that has a separate limit. This is the enforced
-	// limit. The PackedPolicySize response element indicates by percentage how
-	// close the policy is to the upper size limit.
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
 	Policy *string `min:"1" type:"string"`
 
 	// The Amazon Resource Names (ARNs) of the IAM managed policies that you want
@@ -2452,16 +2699,13 @@ type GetFederationTokenInput struct {
 	// to this operation. You can pass a single JSON policy document to use as an
 	// inline session policy. You can also specify up to 10 managed policies to
 	// use as managed session policies. The plain text that you use for both inline
-	// and managed session policies shouldn't exceed 2048 characters. You can provide
+	// and managed session policies can't exceed 2,048 characters. You can provide
 	// up to 10 managed policy ARNs. For more information about ARNs, see Amazon
 	// Resource Names (ARNs) and AWS Service Namespaces (https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html)
 	// in the AWS General Reference.
 	//
 	// This parameter is optional. However, if you do not pass any session policies,
-	// then the resulting federated user session has no permissions. The only exception
-	// is when the credentials are used to access a resource that has a resource-based
-	// policy that specifically references the federated user session in the Principal
-	// element of the policy.
+	// then the resulting federated user session has no permissions.
 	//
 	// When you pass session policies, the session permissions are the intersection
 	// of the IAM user policies and the session policies that you pass. This gives
@@ -2471,12 +2715,46 @@ type GetFederationTokenInput struct {
 	// Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
 	// in the IAM User Guide.
 	//
-	// The characters in this parameter count towards the 2048 character session
-	// policy guideline. However, an AWS conversion compresses the session policies
-	// into a packed binary format that has a separate limit. This is the enforced
-	// limit. The PackedPolicySize response element indicates by percentage how
-	// close the policy is to the upper size limit.
+	// The resulting credentials can be used to access a resource that has a resource-based
+	// policy. If that policy specifically references the federated user session
+	// in the Principal element of the policy, the session has the permissions allowed
+	// by the policy. These permissions are granted in addition to the permissions
+	// that are granted by the session policies.
+	//
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
 	PolicyArns []*PolicyDescriptorType `type:"list"`
+
+	// A list of session tags. Each session tag consists of a key name and an associated
+	// value. For more information about session tags, see Passing Session Tags
+	// in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+	// in the IAM User Guide.
+	//
+	// This parameter is optional. You can pass up to 50 session tags. The plain
+	// text session tag keys can’t exceed 128 characters and the values can’t
+	// exceed 256 characters. For these and additional limits, see IAM and STS Character
+	// Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length)
+	// in the IAM User Guide.
+	//
+	// An AWS conversion compresses the passed session policies and session tags
+	// into a packed binary format that has a separate limit. Your request can fail
+	// for this limit even if your plain text meets the other requirements. The
+	// PackedPolicySize response element indicates by percentage how close the policies
+	// and tags for your request are to the upper size limit.
+	//
+	// You can pass a session tag with the same key as a tag that is already attached
+	// to the user you are federating. When you do, session tags override a user
+	// tag with the same key.
+	//
+	// Tag key–value pairs are not case sensitive, but case is preserved. This
+	// means that you cannot have separate Department and department tag keys. Assume
+	// that the role has the Department=Marketing tag and you pass the department=engineering
+	// session tag. Department and department are not saved as separate tags, and
+	// the session tag passed in the request takes precedence over the role tag.
+	Tags []*Tag `type:"list"`
 }
 
 // String returns the string representation
@@ -2514,6 +2792,16 @@ func (s *GetFederationTokenInput) Validate() error {
 			}
 		}
 	}
+	if s.Tags != nil {
+		for i, v := range s.Tags {
+			if v == nil {
+				continue
+			}
+			if err := v.Validate(); err != nil {
+				invalidParams.AddNested(fmt.Sprintf("%s[%v]", "Tags", i), err.(request.ErrInvalidParams))
+			}
+		}
+	}
 
 	if invalidParams.Len() > 0 {
 		return invalidParams
@@ -2545,6 +2833,12 @@ func (s *GetFederationTokenInput) SetPolicyArns(v []*PolicyDescriptorType) *GetF
 	return s
 }
 
+// SetTags sets the Tags field's value.
+func (s *GetFederationTokenInput) SetTags(v []*Tag) *GetFederationTokenInput {
+	s.Tags = v
+	return s
+}
+
 // Contains the response to a successful GetFederationToken request, including
 // temporary AWS credentials that can be used to make AWS requests.
 type GetFederationTokenOutput struct {
@@ -2563,9 +2857,10 @@ type GetFederationTokenOutput struct {
 	// an Amazon S3 bucket policy.
 	FederatedUser *FederatedUser `type:"structure"`
 
-	// A percentage value indicating the size of the policy in packed form. The
-	// service rejects policies for which the packed size is greater than 100 percent
-	// of the allowed value.
+	// A percentage value that indicates the packed size of the session policies
+	// and session tags combined passed in the request. The request fails if the
+	// packed size is greater than 100 percent, which means the policies and tags
+	// exceeded the allowed space.
 	PackedPolicySize *int64 `type:"integer"`
 }
 
@@ -2748,3 +3043,73 @@ func (s *PolicyDescriptorType) SetArn(v string) *PolicyDescriptorType {
 	s.Arn = &v
 	return s
 }
+
+// You can pass custom key-value pair attributes when you assume a role or federate
+// a user. These are called session tags. You can then use the session tags
+// to control access to resources. For more information, see Tagging AWS STS
+// Sessions (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+// in the IAM User Guide.
+type Tag struct {
+	_ struct{} `type:"structure"`
+
+	// The key for a session tag.
+	//
+	// You can pass up to 50 session tags. The plain text session tag keys can’t
+	// exceed 128 characters. For these and additional limits, see IAM and STS Character
+	// Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length)
+	// in the IAM User Guide.
+	//
+	// Key is a required field
+	Key *string `min:"1" type:"string" required:"true"`
+
+	// The value for a session tag.
+	//
+	// You can pass up to 50 session tags. The plain text session tag values can’t
+	// exceed 256 characters. For these and additional limits, see IAM and STS Character
+	// Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length)
+	// in the IAM User Guide.
+	//
+	// Value is a required field
+	Value *string `type:"string" required:"true"`
+}
+
+// String returns the string representation
+func (s Tag) String() string {
+	return awsutil.Prettify(s)
+}
+
+// GoString returns the string representation
+func (s Tag) GoString() string {
+	return s.String()
+}
+
+// Validate inspects the fields of the type to determine if they are valid.
+func (s *Tag) Validate() error {
+	invalidParams := request.ErrInvalidParams{Context: "Tag"}
+	if s.Key == nil {
+		invalidParams.Add(request.NewErrParamRequired("Key"))
+	}
+	if s.Key != nil && len(*s.Key) < 1 {
+		invalidParams.Add(request.NewErrParamMinLen("Key", 1))
+	}
+	if s.Value == nil {
+		invalidParams.Add(request.NewErrParamRequired("Value"))
+	}
+
+	if invalidParams.Len() > 0 {
+		return invalidParams
+	}
+	return nil
+}
+
+// SetKey sets the Key field's value.
+func (s *Tag) SetKey(v string) *Tag {
+	s.Key = &v
+	return s
+}
+
+// SetValue sets the Value field's value.
+func (s *Tag) SetValue(v string) *Tag {
+	s.Value = &v
+	return s
+}

vendor/github.com/aws/aws-sdk-go/service/sts/errors.go

@@ -14,11 +14,11 @@ const (
 	// ErrCodeIDPCommunicationErrorException for service response error code
 	// "IDPCommunicationError".
 	//
-	// The request could not be fulfilled because the non-AWS identity provider
-	// (IDP) that was asked to verify the incoming identity token could not be reached.
-	// This is often a transient error caused by network conditions. Retry the request
+	// The request could not be fulfilled because the identity provider (IDP) that
+	// was asked to verify the incoming identity token could not be reached. This
+	// is often a transient error caused by network conditions. Retry the request
 	// a limited number of times so that you don't exceed the request rate. If the
-	// error persists, the non-AWS identity provider might be down or not responding.
+	// error persists, the identity provider might be down or not responding.
 	ErrCodeIDPCommunicationErrorException = "IDPCommunicationError"
 
 	// ErrCodeIDPRejectedClaimException for service response error code
@@ -34,9 +34,9 @@ const (
 	// ErrCodeInvalidAuthorizationMessageException for service response error code
 	// "InvalidAuthorizationMessageException".
 	//
-	// This error is returned if the message passed to DecodeAuthorizationMessage
-	// was invalid. This can happen if the token contains invalid characters, such
-	// as linebreaks.
+	// The error returned if the message passed to DecodeAuthorizationMessage was
+	// invalid. This can happen if the token contains invalid characters, such as
+	// linebreaks.
 	ErrCodeInvalidAuthorizationMessageException = "InvalidAuthorizationMessageException"
 
 	// ErrCodeInvalidIdentityTokenException for service response error code
@@ -56,9 +56,18 @@ const (
 	// ErrCodePackedPolicyTooLargeException for service response error code
 	// "PackedPolicyTooLarge".
 	//
-	// The request was rejected because the policy document was too large. The error
-	// message describes how big the policy document is, in packed form, as a percentage
-	// of what the API allows.
+	// The request was rejected because the total packed size of the session policies
+	// and session tags combined was too large. An AWS conversion compresses the
+	// session policy document, session policy ARNs, and session tags into a packed
+	// binary format that has a separate limit. The error message indicates by percentage
+	// how close the policies and tags are to the upper size limit. For more information,
+	// see Passing Session Tags in STS (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_session-tags.html)
+	// in the IAM User Guide.
+	//
+	// You could receive this error even though you meet other defined session policy
+	// and session tag limits. For more information, see IAM and STS Entity Character
+	// Limits (https://docs.aws.amazon.com/IAM/latest/UserGuide/id_credentials_temp_enable-regions.html)
+	// in the IAM User Guide.
 	ErrCodePackedPolicyTooLargeException = "PackedPolicyTooLarge"
 
 	// ErrCodeRegionDisabledException for service response error code

vendor/github.com/aws/aws-sdk-go/service/sts/service.go

@@ -31,7 +31,7 @@ var initRequest func(*request.Request)
 const (
 	ServiceName = "sts"       // Name of service.
 	EndpointsID = ServiceName // ID to lookup a service endpoint with.
-	ServiceID   = "STS"       // ServiceID is a unique identifer of a specific service.
+	ServiceID   = "STS"       // ServiceID is a unique identifier of a specific service.
 )
 
 // New creates a new instance of the STS client with a session.
@@ -39,6 +39,8 @@ const (
 // aws.Config parameter to add your extra config.
 //
 // Example:
+//     mySession := session.Must(session.NewSession())
+//
 //     // Create a STS client from just a session.
 //     svc := sts.New(mySession)
 //