vendor: update all dependencies

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

@@ -43,7 +43,7 @@ type Config struct {
 
 	// An optional endpoint URL (hostname only or fully qualified URI)
 	// that overrides the default generated endpoint for a client. Set this
-	// to `""` to use the default generated endpoint.
+	// to `nil` to use the default generated endpoint.
 	//
 	// Note: You must still provide a `Region` value when specifying an
 	// endpoint for a client.
@@ -238,6 +238,7 @@ type Config struct {
 
 	// EnableEndpointDiscovery will allow for endpoint discovery on operations that
 	// have the definition in its model. By default, endpoint discovery is off.
+	// To use EndpointDiscovery, Endpoint should be unset or set to an empty string.
 	//
 	// Example:
 	//    sess := session.Must(session.NewSession(&aws.Config{

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

@@ -107,6 +107,13 @@ type Provider interface {
 	IsExpired() bool
 }
 
+// ProviderWithContext is a Provider that can retrieve credentials with a Context
+type ProviderWithContext interface {
+	Provider
+
+	RetrieveWithContext(Context) (Value, error)
+}
+
 // An Expirer is an interface that Providers can implement to expose the expiration
 // time, if known.  If the Provider cannot accurately provide this info,
 // it should not implement this interface.
@@ -233,7 +240,9 @@ func (c *Credentials) GetWithContext(ctx Context) (Value, error) {
 	// 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)
+	resCh := c.sf.DoChan("", func() (interface{}, error) {
+		return c.singleRetrieve(&suppressedContext{ctx})
+	})
 	select {
 	case res := <-resCh:
 		return res.Val.(Value), res.Err
@@ -243,12 +252,16 @@ func (c *Credentials) GetWithContext(ctx Context) (Value, error) {
 	}
 }
 
-func (c *Credentials) singleRetrieve() (interface{}, error) {
+func (c *Credentials) singleRetrieve(ctx Context) (creds interface{}, err error) {
 	if curCreds := c.creds.Load(); !c.isExpired(curCreds) {
 		return curCreds.(Value), nil
 	}
 
-	creds, err := c.provider.Retrieve()
+	if p, ok := c.provider.(ProviderWithContext); ok {
+		creds, err = p.RetrieveWithContext(ctx)
+	} else {
+		creds, err = c.provider.Retrieve()
+	}
 	if err == nil {
 		c.creds.Store(creds)
 	}
@@ -308,3 +321,19 @@ func (c *Credentials) ExpiresAt() (time.Time, error) {
 	}
 	return expirer.ExpiresAt(), nil
 }
+
+type suppressedContext struct {
+	Context
+}
+
+func (s *suppressedContext) Deadline() (deadline time.Time, ok bool) {
+	return time.Time{}, false
+}
+
+func (s *suppressedContext) Done() <-chan struct{} {
+	return nil
+}
+
+func (s *suppressedContext) Err() error {
+	return nil
+}

vendor/github.com/aws/aws-sdk-go/aws/credentials/ec2rolecreds/ec2_role_provider.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/client"
 	"github.com/aws/aws-sdk-go/aws/credentials"
@@ -87,7 +88,14 @@ func NewCredentialsWithClient(client *ec2metadata.EC2Metadata, options ...func(*
 // Error will be returned if the request fails, or unable to extract
 // the desired credentials.
 func (m *EC2RoleProvider) Retrieve() (credentials.Value, error) {
-	credsList, err := requestCredList(m.Client)
+	return m.RetrieveWithContext(aws.BackgroundContext())
+}
+
+// RetrieveWithContext retrieves credentials from the EC2 service.
+// Error will be returned if the request fails, or unable to extract
+// the desired credentials.
+func (m *EC2RoleProvider) RetrieveWithContext(ctx credentials.Context) (credentials.Value, error) {
+	credsList, err := requestCredList(ctx, m.Client)
 	if err != nil {
 		return credentials.Value{ProviderName: ProviderName}, err
 	}
@@ -97,7 +105,7 @@ func (m *EC2RoleProvider) Retrieve() (credentials.Value, error) {
 	}
 	credsName := credsList[0]
 
-	roleCreds, err := requestCred(m.Client, credsName)
+	roleCreds, err := requestCred(ctx, m.Client, credsName)
 	if err != nil {
 		return credentials.Value{ProviderName: ProviderName}, err
 	}
@@ -130,8 +138,8 @@ const iamSecurityCredsPath = "iam/security-credentials/"
 
 // requestCredList requests a list of credentials from the EC2 service.
 // If there are no credentials, or there is an error making or receiving the request
-func requestCredList(client *ec2metadata.EC2Metadata) ([]string, error) {
-	resp, err := client.GetMetadata(iamSecurityCredsPath)
+func requestCredList(ctx aws.Context, client *ec2metadata.EC2Metadata) ([]string, error) {
+	resp, err := client.GetMetadataWithContext(ctx, iamSecurityCredsPath)
 	if err != nil {
 		return nil, awserr.New("EC2RoleRequestError", "no EC2 instance role found", err)
 	}
@@ -154,8 +162,8 @@ func requestCredList(client *ec2metadata.EC2Metadata) ([]string, error) {
 //
 // If the credentials cannot be found, or there is an error reading the response
 // and error will be returned.
-func requestCred(client *ec2metadata.EC2Metadata, credsName string) (ec2RoleCredRespBody, error) {
-	resp, err := client.GetMetadata(sdkuri.PathJoin(iamSecurityCredsPath, credsName))
+func requestCred(ctx aws.Context, client *ec2metadata.EC2Metadata, credsName string) (ec2RoleCredRespBody, error) {
+	resp, err := client.GetMetadataWithContext(ctx, sdkuri.PathJoin(iamSecurityCredsPath, credsName))
 	if err != nil {
 		return ec2RoleCredRespBody{},
 			awserr.New("EC2RoleRequestError",

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

@@ -116,7 +116,13 @@ func (p *Provider) IsExpired() bool {
 // Retrieve will attempt to request the credentials from the endpoint the Provider
 // was configured for. And error will be returned if the retrieval fails.
 func (p *Provider) Retrieve() (credentials.Value, error) {
-	resp, err := p.getCredentials()
+	return p.RetrieveWithContext(aws.BackgroundContext())
+}
+
+// RetrieveWithContext will attempt to request the credentials from the endpoint the Provider
+// was configured for. And error will be returned if the retrieval fails.
+func (p *Provider) RetrieveWithContext(ctx credentials.Context) (credentials.Value, error) {
+	resp, err := p.getCredentials(ctx)
 	if err != nil {
 		return credentials.Value{ProviderName: ProviderName},
 			awserr.New("CredentialsEndpointError", "failed to load credentials", err)
@@ -148,7 +154,7 @@ type errorOutput struct {
 	Message string `json:"message"`
 }
 
-func (p *Provider) getCredentials() (*getCredentialsOutput, error) {
+func (p *Provider) getCredentials(ctx aws.Context) (*getCredentialsOutput, error) {
 	op := &request.Operation{
 		Name:       "GetCredentials",
 		HTTPMethod: "GET",
@@ -156,6 +162,7 @@ func (p *Provider) getCredentials() (*getCredentialsOutput, error) {
 
 	out := &getCredentialsOutput{}
 	req := p.Client.NewRequest(op, nil, out)
+	req.SetContext(ctx)
 	req.HTTPRequest.Header.Set("Accept", "application/json")
 	if authToken := p.AuthorizationToken; len(authToken) != 0 {
 		req.HTTPRequest.Header.Set("Authorization", authToken)

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

@@ -17,8 +17,9 @@ var (
 	ErrSharedCredentialsHomeNotFound = awserr.New("UserHomeNotFound", "user home directory not found.", nil)
 )
 
-// A SharedCredentialsProvider retrieves credentials from the current user's home
-// directory, and keeps track if those credentials are expired.
+// A SharedCredentialsProvider retrieves access key pair (access key ID,
+// secret access key, and session token if present) credentials from the current
+// user's home directory, and keeps track if those credentials are expired.
 //
 // Profile ini file example: $HOME/.aws/credentials
 type SharedCredentialsProvider struct {

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

@@ -19,7 +19,9 @@ type StaticProvider struct {
 }
 
 // NewStaticCredentials returns a pointer to a new Credentials object
-// wrapping a static credentials value provider.
+// wrapping a static credentials value provider. Token is only required
+// for temporary security credentials retrieved via STS, otherwise an empty
+// string can be passed for this parameter.
 func NewStaticCredentials(id, secret, token string) *Credentials {
 	return NewCredentials(&StaticProvider{Value: Value{
 		AccessKeyID:     id,

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

@@ -87,6 +87,7 @@ import (
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/client"
 	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/aws/aws-sdk-go/aws/request"
 	"github.com/aws/aws-sdk-go/internal/sdkrand"
 	"github.com/aws/aws-sdk-go/service/sts"
 )
@@ -118,6 +119,10 @@ type AssumeRoler interface {
 	AssumeRole(input *sts.AssumeRoleInput) (*sts.AssumeRoleOutput, error)
 }
 
+type assumeRolerWithContext interface {
+	AssumeRoleWithContext(aws.Context, *sts.AssumeRoleInput, ...request.Option) (*sts.AssumeRoleOutput, error)
+}
+
 // DefaultDuration is the default amount of time in minutes that the credentials
 // will be valid for.
 var DefaultDuration = time.Duration(15) * time.Minute
@@ -164,6 +169,29 @@ type AssumeRoleProvider struct {
 	// size.
 	Policy *string
 
+	// The ARNs of IAM managed policies you want to use as managed session policies.
+	// The policies must exist in the same account as the role.
+	//
+	// 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 can't exceed 2,048 characters.
+	//
+	// 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
+	// policy and the session policies. You can use the role's temporary credentials
+	// in subsequent AWS API calls to access resources in the account that owns
+	// the role. You cannot use session policies to grant more permissions than
+	// those allowed by the identity-based policy of the role that is being assumed.
+	// For more information, see Session Policies (https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies.html#policies_session)
+	// in the IAM User Guide.
+	PolicyArns []*sts.PolicyDescriptorType
+
 	// The identification number of the MFA device that is associated with the user
 	// who is making the AssumeRole call. Specify this value if the trust policy
 	// of the role being assumed includes a condition that requires MFA authentication.
@@ -265,6 +293,11 @@ func NewCredentialsWithClient(svc AssumeRoler, roleARN string, options ...func(*
 
 // Retrieve generates a new set of temporary credentials using STS.
 func (p *AssumeRoleProvider) Retrieve() (credentials.Value, error) {
+	return p.RetrieveWithContext(aws.BackgroundContext())
+}
+
+// RetrieveWithContext generates a new set of temporary credentials using STS.
+func (p *AssumeRoleProvider) RetrieveWithContext(ctx credentials.Context) (credentials.Value, error) {
 	// Apply defaults where parameters are not set.
 	if p.RoleSessionName == "" {
 		// Try to work out a role name that will hopefully end up unique.
@@ -281,6 +314,7 @@ func (p *AssumeRoleProvider) Retrieve() (credentials.Value, error) {
 		RoleSessionName:   aws.String(p.RoleSessionName),
 		ExternalId:        p.ExternalID,
 		Tags:              p.Tags,
+		PolicyArns:        p.PolicyArns,
 		TransitiveTagKeys: p.TransitiveTagKeys,
 	}
 	if p.Policy != nil {
@@ -304,7 +338,15 @@ func (p *AssumeRoleProvider) Retrieve() (credentials.Value, error) {
 		}
 	}
 
-	roleOutput, err := p.Client.AssumeRole(input)
+	var roleOutput *sts.AssumeRoleOutput
+	var err error
+
+	if c, ok := p.Client.(assumeRolerWithContext); ok {
+		roleOutput, err = c.AssumeRoleWithContext(ctx, input)
+	} else {
+		roleOutput, err = p.Client.AssumeRole(input)
+	}
+
 	if err != nil {
 		return credentials.Value{ProviderName: ProviderName}, err
 	}

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

@@ -28,15 +28,34 @@ const (
 // compare test values.
 var now = time.Now
 
+// TokenFetcher shuold return WebIdentity token bytes or an error
+type TokenFetcher interface {
+	FetchToken(credentials.Context) ([]byte, error)
+}
+
+// FetchTokenPath is a path to a WebIdentity token file
+type FetchTokenPath string
+
+// FetchToken returns a token by reading from the filesystem
+func (f FetchTokenPath) FetchToken(ctx credentials.Context) ([]byte, error) {
+	data, err := ioutil.ReadFile(string(f))
+	if err != nil {
+		errMsg := fmt.Sprintf("unable to read file at %s", f)
+		return nil, awserr.New(ErrCodeWebIdentity, errMsg, err)
+	}
+	return data, nil
+}
+
 // WebIdentityRoleProvider is used to retrieve credentials using
 // an OIDC token.
 type WebIdentityRoleProvider struct {
 	credentials.Expiry
+	PolicyArns []*sts.PolicyDescriptorType
 
 	client       stsiface.STSAPI
 	ExpiryWindow time.Duration
 
-	tokenFilePath   string
+	tokenFetcher    TokenFetcher
 	roleARN         string
 	roleSessionName string
 }
@@ -52,9 +71,15 @@ func NewWebIdentityCredentials(c client.ConfigProvider, roleARN, roleSessionName
 // NewWebIdentityRoleProvider will return a new WebIdentityRoleProvider with the
 // provided stsiface.STSAPI
 func NewWebIdentityRoleProvider(svc stsiface.STSAPI, roleARN, roleSessionName, path string) *WebIdentityRoleProvider {
+	return NewWebIdentityRoleProviderWithToken(svc, roleARN, roleSessionName, FetchTokenPath(path))
+}
+
+// NewWebIdentityRoleProviderWithToken will return a new WebIdentityRoleProvider with the
+// provided stsiface.STSAPI and a TokenFetcher
+func NewWebIdentityRoleProviderWithToken(svc stsiface.STSAPI, roleARN, roleSessionName string, tokenFetcher TokenFetcher) *WebIdentityRoleProvider {
 	return &WebIdentityRoleProvider{
 		client:          svc,
-		tokenFilePath:   path,
+		tokenFetcher:    tokenFetcher,
 		roleARN:         roleARN,
 		roleSessionName: roleSessionName,
 	}
@@ -64,10 +89,16 @@ func NewWebIdentityRoleProvider(svc stsiface.STSAPI, roleARN, roleSessionName, p
 // 'WebIdentityTokenFilePath' specified destination and if that is empty an
 // error will be returned.
 func (p *WebIdentityRoleProvider) Retrieve() (credentials.Value, error) {
-	b, err := ioutil.ReadFile(p.tokenFilePath)
+	return p.RetrieveWithContext(aws.BackgroundContext())
+}
+
+// RetrieveWithContext will attempt to assume a role from a token which is located at
+// 'WebIdentityTokenFilePath' specified destination and if that is empty an
+// error will be returned.
+func (p *WebIdentityRoleProvider) RetrieveWithContext(ctx credentials.Context) (credentials.Value, error) {
+	b, err := p.tokenFetcher.FetchToken(ctx)
 	if err != nil {
-		errMsg := fmt.Sprintf("unable to read file at %s", p.tokenFilePath)
-		return credentials.Value{}, awserr.New(ErrCodeWebIdentity, errMsg, err)
+		return credentials.Value{}, awserr.New(ErrCodeWebIdentity, "failed fetching WebIdentity token: ", err)
 	}
 
 	sessionName := p.roleSessionName
@@ -77,10 +108,14 @@ func (p *WebIdentityRoleProvider) Retrieve() (credentials.Value, error) {
 		sessionName = strconv.FormatInt(now().UnixNano(), 10)
 	}
 	req, resp := p.client.AssumeRoleWithWebIdentityRequest(&sts.AssumeRoleWithWebIdentityInput{
+		PolicyArns:       p.PolicyArns,
 		RoleArn:          &p.roleARN,
 		RoleSessionName:  &sessionName,
 		WebIdentityToken: aws.String(string(b)),
 	})
+
+	req.SetContext(ctx)
+
 	// InvalidIdentityToken error is a temporary error that can occur
 	// when assuming an Role with a JWT web identity token.
 	req.RetryErrorCodes = append(req.RetryErrorCodes, sts.ErrCodeInvalidIdentityTokenException)

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

@@ -8,6 +8,7 @@ import (
 	"strings"
 	"time"
 
+	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/request"
 	"github.com/aws/aws-sdk-go/internal/sdkuri"
@@ -15,7 +16,7 @@ import (
 
 // 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) {
+func (c *EC2Metadata) getToken(ctx aws.Context, duration time.Duration) (tokenOutput, error) {
 	op := &request.Operation{
 		Name:       "GetToken",
 		HTTPMethod: "PUT",
@@ -24,6 +25,7 @@ func (c *EC2Metadata) getToken(duration time.Duration) (tokenOutput, error) {
 
 	var output tokenOutput
 	req := c.NewRequest(op, nil, &output)
+	req.SetContext(ctx)
 
 	// remove the fetch token handler from the request handlers to avoid infinite recursion
 	req.Handlers.Sign.RemoveByName(fetchTokenHandlerName)
@@ -50,6 +52,13 @@ func (c *EC2Metadata) getToken(duration time.Duration) (tokenOutput, error) {
 // 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) {
+	return c.GetMetadataWithContext(aws.BackgroundContext(), p)
+}
+
+// GetMetadataWithContext uses the path provided to request information from the EC2
+// instance metadata service. The content will be returned as a string, or
+// error if the request failed.
+func (c *EC2Metadata) GetMetadataWithContext(ctx aws.Context, p string) (string, error) {
 	op := &request.Operation{
 		Name:       "GetMetadata",
 		HTTPMethod: "GET",
@@ -59,6 +68,8 @@ func (c *EC2Metadata) GetMetadata(p string) (string, error) {
 
 	req := c.NewRequest(op, nil, output)
 
+	req.SetContext(ctx)
+
 	err := req.Send()
 	return output.Content, err
 }
@@ -67,6 +78,13 @@ func (c *EC2Metadata) GetMetadata(p string) (string, error) {
 // there is no user-data setup for the EC2 instance a "NotFoundError" error
 // code will be returned.
 func (c *EC2Metadata) GetUserData() (string, error) {
+	return c.GetUserDataWithContext(aws.BackgroundContext())
+}
+
+// GetUserDataWithContext returns the userdata that was configured for the service. If
+// there is no user-data setup for the EC2 instance a "NotFoundError" error
+// code will be returned.
+func (c *EC2Metadata) GetUserDataWithContext(ctx aws.Context) (string, error) {
 	op := &request.Operation{
 		Name:       "GetUserData",
 		HTTPMethod: "GET",
@@ -75,6 +93,7 @@ func (c *EC2Metadata) GetUserData() (string, error) {
 
 	output := &metadataOutput{}
 	req := c.NewRequest(op, nil, output)
+	req.SetContext(ctx)
 
 	err := req.Send()
 	return output.Content, err
@@ -84,6 +103,13 @@ func (c *EC2Metadata) GetUserData() (string, error) {
 // instance metadata service for dynamic data. The content will be returned
 // as a string, or error if the request failed.
 func (c *EC2Metadata) GetDynamicData(p string) (string, error) {
+	return c.GetDynamicDataWithContext(aws.BackgroundContext(), p)
+}
+
+// GetDynamicDataWithContext uses the path provided to request information from the EC2
+// instance metadata service for dynamic data. The content will be returned
+// as a string, or error if the request failed.
+func (c *EC2Metadata) GetDynamicDataWithContext(ctx aws.Context, p string) (string, error) {
 	op := &request.Operation{
 		Name:       "GetDynamicData",
 		HTTPMethod: "GET",
@@ -92,6 +118,7 @@ func (c *EC2Metadata) GetDynamicData(p string) (string, error) {
 
 	output := &metadataOutput{}
 	req := c.NewRequest(op, nil, output)
+	req.SetContext(ctx)
 
 	err := req.Send()
 	return output.Content, err
@@ -101,7 +128,14 @@ func (c *EC2Metadata) GetDynamicData(p string) (string, error) {
 // instance. Error is returned if the request fails or is unable to parse
 // the response.
 func (c *EC2Metadata) GetInstanceIdentityDocument() (EC2InstanceIdentityDocument, error) {
-	resp, err := c.GetDynamicData("instance-identity/document")
+	return c.GetInstanceIdentityDocumentWithContext(aws.BackgroundContext())
+}
+
+// GetInstanceIdentityDocumentWithContext retrieves an identity document describing an
+// instance. Error is returned if the request fails or is unable to parse
+// the response.
+func (c *EC2Metadata) GetInstanceIdentityDocumentWithContext(ctx aws.Context) (EC2InstanceIdentityDocument, error) {
+	resp, err := c.GetDynamicDataWithContext(ctx, "instance-identity/document")
 	if err != nil {
 		return EC2InstanceIdentityDocument{},
 			awserr.New("EC2MetadataRequestError",
@@ -120,7 +154,12 @@ func (c *EC2Metadata) GetInstanceIdentityDocument() (EC2InstanceIdentityDocument
 
 // IAMInfo retrieves IAM info from the metadata API
 func (c *EC2Metadata) IAMInfo() (EC2IAMInfo, error) {
-	resp, err := c.GetMetadata("iam/info")
+	return c.IAMInfoWithContext(aws.BackgroundContext())
+}
+
+// IAMInfoWithContext retrieves IAM info from the metadata API
+func (c *EC2Metadata) IAMInfoWithContext(ctx aws.Context) (EC2IAMInfo, error) {
+	resp, err := c.GetMetadataWithContext(ctx, "iam/info")
 	if err != nil {
 		return EC2IAMInfo{},
 			awserr.New("EC2MetadataRequestError",
@@ -145,7 +184,12 @@ func (c *EC2Metadata) IAMInfo() (EC2IAMInfo, error) {
 
 // Region returns the region the instance is running in.
 func (c *EC2Metadata) Region() (string, error) {
-	ec2InstanceIdentityDocument, err := c.GetInstanceIdentityDocument()
+	return c.RegionWithContext(aws.BackgroundContext())
+}
+
+// RegionWithContext returns the region the instance is running in.
+func (c *EC2Metadata) RegionWithContext(ctx aws.Context) (string, error) {
+	ec2InstanceIdentityDocument, err := c.GetInstanceIdentityDocumentWithContext(ctx)
 	if err != nil {
 		return "", err
 	}
@@ -162,7 +206,14 @@ func (c *EC2Metadata) Region() (string, error) {
 // Can be used to determine if application is running within an EC2 Instance and
 // the metadata service is available.
 func (c *EC2Metadata) Available() bool {
-	if _, err := c.GetMetadata("instance-id"); err != nil {
+	return c.AvailableWithContext(aws.BackgroundContext())
+}
+
+// AvailableWithContext returns if the application has access to the EC2 Metadata service.
+// Can be used to determine if application is running within an EC2 Instance and
+// the metadata service is available.
+func (c *EC2Metadata) AvailableWithContext(ctx aws.Context) bool {
+	if _, err := c.GetMetadataWithContext(ctx, "instance-id"); err != nil {
 		return false
 	}
 

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

@@ -46,7 +46,7 @@ func (t *tokenProvider) fetchTokenHandler(r *request.Request) {
 		return
 	}
 
-	output, err := t.client.getToken(t.configuredTTL)
+	output, err := t.client.getToken(r.Context(), t.configuredTTL)
 
 	if err != nil {
 

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

@@ -93,7 +93,7 @@ func decodeV3Endpoints(modelDef modelDefinition, opts DecodeModelOptions) (Resol
 }
 
 func custAddS3DualStack(p *partition) {
-	if p.ID != "aws" {
+	if !(p.ID == "aws" || p.ID == "aws-cn" || p.ID == "aws-us-gov") {
 		return
 	}
 

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

@@ -7,6 +7,8 @@ import (
 	"strings"
 )
 
+var regionValidationRegex = regexp.MustCompile(`^[[:alnum:]]([[:alnum:]\-]*[[:alnum:]])?$`)
+
 type partitions []partition
 
 func (ps partitions) EndpointFor(service, region string, opts ...func(*Options)) (ResolvedEndpoint, error) {
@@ -124,7 +126,7 @@ func (p partition) EndpointFor(service, region string, opts ...func(*Options)) (
 
 	defs := []endpoint{p.Defaults, s.Defaults}
 
-	return e.resolve(service, p.ID, region, p.DNSSuffix, defs, opt), nil
+	return e.resolve(service, p.ID, region, p.DNSSuffix, defs, opt)
 }
 
 func serviceList(ss services) []string {
@@ -233,7 +235,7 @@ func getByPriority(s []string, p []string, def string) string {
 	return s[0]
 }
 
-func (e endpoint) resolve(service, partitionID, region, dnsSuffix string, defs []endpoint, opts Options) ResolvedEndpoint {
+func (e endpoint) resolve(service, partitionID, region, dnsSuffix string, defs []endpoint, opts Options) (ResolvedEndpoint, error) {
 	var merged endpoint
 	for _, def := range defs {
 		merged.mergeIn(def)
@@ -260,6 +262,10 @@ func (e endpoint) resolve(service, partitionID, region, dnsSuffix string, defs [
 		region = signingRegion
 	}
 
+	if !validateInputRegion(region) {
+		return ResolvedEndpoint{}, fmt.Errorf("invalid region identifier format provided")
+	}
+
 	u := strings.Replace(hostname, "{service}", service, 1)
 	u = strings.Replace(u, "{region}", region, 1)
 	u = strings.Replace(u, "{dnsSuffix}", dnsSuffix, 1)
@@ -274,7 +280,7 @@ func (e endpoint) resolve(service, partitionID, region, dnsSuffix string, defs [
 		SigningName:        signingName,
 		SigningNameDerived: signingNameDerived,
 		SigningMethod:      getByPriority(e.SignatureVersions, signerPriority, defaultSigner),
-	}
+	}, nil
 }
 
 func getEndpointScheme(protocols []string, disableSSL bool) string {
@@ -339,3 +345,7 @@ const (
 	boxedFalse
 	boxedTrue
 )
+
+func validateInputRegion(region string) bool {
+	return regionValidationRegex.MatchString(region)
+}

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

@@ -3,6 +3,7 @@ package session
 import (
 	"fmt"
 	"os"
+	"time"
 
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/awserr"
@@ -206,7 +207,14 @@ func credsFromAssumeRole(cfg aws.Config,
 		sharedCfg.RoleARN,
 		func(opt *stscreds.AssumeRoleProvider) {
 			opt.RoleSessionName = sharedCfg.RoleSessionName
-			opt.Duration = sessOpts.AssumeRoleDuration
+
+			if sessOpts.AssumeRoleDuration == 0 &&
+				sharedCfg.AssumeRoleDuration != nil &&
+				*sharedCfg.AssumeRoleDuration/time.Minute > 15 {
+				opt.Duration = *sharedCfg.AssumeRoleDuration
+			} else if sessOpts.AssumeRoleDuration != 0 {
+				opt.Duration = sessOpts.AssumeRoleDuration
+			}
 
 			// Assume role with external ID
 			if len(sharedCfg.ExternalID) > 0 {

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

@@ -2,6 +2,7 @@ package session
 
 import (
 	"fmt"
+	"time"
 
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/credentials"
@@ -16,12 +17,13 @@ const (
 	sessionTokenKey = `aws_session_token`     // optional
 
 	// Assume Role Credentials group
-	roleArnKey          = `role_arn`          // group required
-	sourceProfileKey    = `source_profile`    // group required (or credential_source)
-	credentialSourceKey = `credential_source` // group required (or source_profile)
-	externalIDKey       = `external_id`       // optional
-	mfaSerialKey        = `mfa_serial`        // optional
-	roleSessionNameKey  = `role_session_name` // optional
+	roleArnKey             = `role_arn`          // group required
+	sourceProfileKey       = `source_profile`    // group required (or credential_source)
+	credentialSourceKey    = `credential_source` // group required (or source_profile)
+	externalIDKey          = `external_id`       // optional
+	mfaSerialKey           = `mfa_serial`        // optional
+	roleSessionNameKey     = `role_session_name` // optional
+	roleDurationSecondsKey = "duration_seconds"  // optional
 
 	// CSM options
 	csmEnabledKey  = `csm_enabled`
@@ -73,10 +75,11 @@ type sharedConfig struct {
 	CredentialProcess    string
 	WebIdentityTokenFile string
 
-	RoleARN         string
-	RoleSessionName string
-	ExternalID      string
-	MFASerial       string
+	RoleARN            string
+	RoleSessionName    string
+	ExternalID         string
+	MFASerial          string
+	AssumeRoleDuration *time.Duration
 
 	SourceProfileName string
 	SourceProfile     *sharedConfig
@@ -274,6 +277,11 @@ func (cfg *sharedConfig) setFromIniFile(profile string, file sharedConfigFile, e
 		updateString(&cfg.CredentialSource, section, credentialSourceKey)
 		updateString(&cfg.Region, section, regionKey)
 
+		if section.Has(roleDurationSecondsKey) {
+			d := time.Duration(section.Int(roleDurationSecondsKey)) * time.Second
+			cfg.AssumeRoleDuration = &d
+		}
+
 		if v := section.String(stsRegionalEndpointSharedKey); len(v) != 0 {
 			sre, err := endpoints.GetSTSRegionalEndpoint(v)
 			if err != nil {

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

@@ -239,3 +239,26 @@ func (es errors) Error() string {
 
 	return strings.Join(parts, "\n")
 }
+
+// CopySeekableBody copies the seekable body to an io.Writer
+func CopySeekableBody(dst io.Writer, src io.ReadSeeker) (int64, error) {
+	curPos, err := src.Seek(0, sdkio.SeekCurrent)
+	if err != nil {
+		return 0, err
+	}
+
+	// copy errors may be assumed to be from the body.
+	n, err := io.Copy(dst, src)
+	if err != nil {
+		return n, err
+	}
+
+	// seek back to the first position after reading to reset
+	// the body for transmission.
+	_, err = src.Seek(curPos, sdkio.SeekStart)
+	if err != nil {
+		return n, err
+	}
+
+	return n, nil
+}

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 = "1.29.9"
+const SDKVersion = "1.32.11"

vendor/github.com/aws/aws-sdk-go/private/checksum/content_md5.go

@@ -0,0 +1,53 @@
+package checksum
+
+import (
+	"crypto/md5"
+	"encoding/base64"
+	"fmt"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/aws/request"
+)
+
+const contentMD5Header = "Content-Md5"
+
+// AddBodyContentMD5Handler computes and sets the HTTP Content-MD5 header for requests that
+// require it.
+func AddBodyContentMD5Handler(r *request.Request) {
+	// if Content-MD5 header is already present, return
+	if v := r.HTTPRequest.Header.Get(contentMD5Header); len(v) != 0 {
+		return
+	}
+
+	// if S3DisableContentMD5Validation flag is set, return
+	if aws.BoolValue(r.Config.S3DisableContentMD5Validation) {
+		return
+	}
+
+	// if request is presigned, return
+	if r.IsPresigned() {
+		return
+	}
+
+	// if body is not seekable, return
+	if !aws.IsReaderSeekable(r.Body) {
+		if r.Config.Logger != nil {
+			r.Config.Logger.Log(fmt.Sprintf(
+				"Unable to compute Content-MD5 for unseekable body, S3.%s",
+				r.Operation.Name))
+		}
+		return
+	}
+
+	h := md5.New()
+
+	if _, err := aws.CopySeekableBody(h, r.Body); err != nil {
+		r.Error = awserr.New("ContentMD5", "failed to compute body MD5", err)
+		return
+	}
+
+	// encode the md5 checksum in base64 and set the request header.
+	v := base64.StdEncoding.EncodeToString(h.Sum(nil))
+	r.HTTPRequest.Header.Set(contentMD5Header, v)
+}

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

@@ -56,7 +56,8 @@ func FormatTime(name string, t time.Time) string {
 	case ISO8601TimeFormatName:
 		return t.Format(ISO8601OutputTimeFormat)
 	case UnixTimeFormatName:
-		return strconv.FormatInt(t.Unix(), 10)
+		ms := t.UnixNano() / int64(time.Millisecond)
+		return strconv.FormatFloat(float64(ms)/1e3, 'f', -1, 64)
 	default:
 		panic("unknown timestamp format name, " + name)
 	}

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

@@ -8,6 +8,7 @@ import (
 	"reflect"
 	"sort"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/aws/aws-sdk-go/private/protocol"
@@ -60,6 +61,14 @@ func (b *xmlBuilder) buildValue(value reflect.Value, current *XMLNode, tag refle
 		return nil
 	}
 
+	xml := tag.Get("xml")
+	if len(xml) != 0 {
+		name := strings.SplitAfterN(xml, ",", 2)[0]
+		if name == "-" {
+			return nil
+		}
+	}
+
 	t := tag.Get("type")
 	if t == "" {
 		switch value.Kind() {

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

@@ -64,6 +64,14 @@ func UnmarshalXML(v interface{}, d *xml.Decoder, wrapper string) error {
 // parse deserializes any value from the XMLNode. The type tag is used to infer the type, or reflect
 // will be used to determine the type from r.
 func parse(r reflect.Value, node *XMLNode, tag reflect.StructTag) error {
+	xml := tag.Get("xml")
+	if len(xml) != 0 {
+		name := strings.SplitAfterN(xml, ",", 2)[0]
+		if name == "-" {
+			return nil
+		}
+	}
+
 	rtype := r.Type()
 	if rtype.Kind() == reflect.Ptr {
 		rtype = rtype.Elem() // check kind of actual element type

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

@@ -13,7 +13,6 @@ import (
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/request"
-	"github.com/aws/aws-sdk-go/internal/sdkio"
 )
 
 const (
@@ -25,30 +24,6 @@ const (
 	appendMD5TxEncoding = "append-md5"
 )
 
-// contentMD5 computes and sets the HTTP Content-MD5 header for requests that
-// require it.
-func contentMD5(r *request.Request) {
-	h := md5.New()
-
-	if !aws.IsReaderSeekable(r.Body) {
-		if r.Config.Logger != nil {
-			r.Config.Logger.Log(fmt.Sprintf(
-				"Unable to compute Content-MD5 for unseekable body, S3.%s",
-				r.Operation.Name))
-		}
-		return
-	}
-
-	if _, err := copySeekableBody(h, r.Body); err != nil {
-		r.Error = awserr.New("ContentMD5", "failed to compute body MD5", err)
-		return
-	}
-
-	// encode the md5 checksum in base64 and set the request header.
-	v := base64.StdEncoding.EncodeToString(h.Sum(nil))
-	r.HTTPRequest.Header.Set(contentMD5Header, v)
-}
-
 // computeBodyHashes will add Content MD5 and Content Sha256 hashes to the
 // request. If the body is not seekable or S3DisableContentMD5Validation set
 // this handler will be ignored.
@@ -90,7 +65,7 @@ func computeBodyHashes(r *request.Request) {
 		dst = io.MultiWriter(hashers...)
 	}
 
-	if _, err := copySeekableBody(dst, r.Body); err != nil {
+	if _, err := aws.CopySeekableBody(dst, r.Body); err != nil {
 		r.Error = awserr.New("BodyHashError", "failed to compute body hashes", err)
 		return
 	}
@@ -119,28 +94,6 @@ const (
 	sha256HexEncLen = sha256.Size * 2        // hex.EncodedLen
 )
 
-func copySeekableBody(dst io.Writer, src io.ReadSeeker) (int64, error) {
-	curPos, err := src.Seek(0, sdkio.SeekCurrent)
-	if err != nil {
-		return 0, err
-	}
-
-	// hash the body.  seek back to the first position after reading to reset
-	// the body for transmission.  copy errors may be assumed to be from the
-	// body.
-	n, err := io.Copy(dst, src)
-	if err != nil {
-		return n, err
-	}
-
-	_, err = src.Seek(curPos, sdkio.SeekStart)
-	if err != nil {
-		return n, err
-	}
-
-	return n, nil
-}
-
 // Adds the x-amz-te: append_md5 header to the request. This requests the service
 // responds with a trailing MD5 checksum.
 //

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

@@ -33,12 +33,6 @@ func defaultInitRequestFn(r *request.Request) {
 	platformRequestHandlers(r)
 
 	switch r.Operation.Name {
-	case opPutBucketCors, opPutBucketLifecycle, opPutBucketPolicy,
-		opPutBucketTagging, opDeleteObjects, opPutBucketLifecycleConfiguration,
-		opPutObjectLegalHold, opPutObjectRetention, opPutObjectLockConfiguration,
-		opPutBucketReplication:
-		// These S3 operations require Content-MD5 to be set
-		r.Handlers.Build.PushBack(contentMD5)
 	case opGetBucketLocation:
 		// GetBucketLocation has custom parsing logic
 		r.Handlers.Unmarshal.PushFront(buildGetBucketLocation)

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

@@ -2,6 +2,7 @@ package s3
 
 import (
 	"bytes"
+	"io"
 	"io/ioutil"
 	"net/http"
 
@@ -24,17 +25,18 @@ func copyMultipartStatusOKUnmarhsalError(r *request.Request) {
 	r.HTTPResponse.Body = ioutil.NopCloser(body)
 	defer body.Seek(0, sdkio.SeekStart)
 
-	if body.Len() == 0 {
-		// If there is no body don't attempt to parse the body.
-		return
-	}
-
 	unmarshalError(r)
 	if err, ok := r.Error.(awserr.Error); ok && err != nil {
-		if err.Code() == request.ErrCodeSerialization {
+		if err.Code() == request.ErrCodeSerialization &&
+			err.OrigErr() != io.EOF {
 			r.Error = nil
 			return
 		}
-		r.HTTPResponse.StatusCode = http.StatusServiceUnavailable
+		// if empty payload
+		if err.OrigErr() == io.EOF {
+			r.HTTPResponse.StatusCode = http.StatusInternalServerError
+		} else {
+			r.HTTPResponse.StatusCode = http.StatusServiceUnavailable
+		}
 	}
 }

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

@@ -1,6 +1,7 @@
 package s3
 
 import (
+	"bytes"
 	"encoding/xml"
 	"fmt"
 	"io"
@@ -45,17 +46,24 @@ func unmarshalError(r *request.Request) {
 
 	// Attempt to parse error from body if it is known
 	var errResp xmlErrorResponse
-	err := xmlutil.UnmarshalXMLError(&errResp, r.HTTPResponse.Body)
-	if err == io.EOF {
-		// Only capture the error if an unmarshal error occurs that is not EOF,
-		// because S3 might send an error without a error message which causes
-		// the XML unmarshal to fail with EOF.
-		err = nil
+	var err error
+	if r.HTTPResponse.StatusCode >= 200 && r.HTTPResponse.StatusCode < 300 {
+		err = s3unmarshalXMLError(&errResp, r.HTTPResponse.Body)
+	} else {
+		err = xmlutil.UnmarshalXMLError(&errResp, r.HTTPResponse.Body)
 	}
+
 	if err != nil {
+		var errorMsg string
+		if err == io.EOF {
+			errorMsg = "empty response payload"
+		} else {
+			errorMsg = "failed to unmarshal error message"
+		}
+
 		r.Error = awserr.NewRequestFailure(
 			awserr.New(request.ErrCodeSerialization,
-				"failed to unmarshal error message", err),
+				errorMsg, err),
 			r.HTTPResponse.StatusCode,
 			r.RequestID,
 		)
@@ -86,3 +94,21 @@ type RequestFailure interface {
 	// Host ID is the S3 Host ID needed for debug, and contacting support
 	HostID() string
 }
+
+// s3unmarshalXMLError is s3 specific xml error unmarshaler
+// for 200 OK errors and response payloads.
+// This function differs from the xmlUtil.UnmarshalXMLError
+// func. It does not ignore the EOF error and passes it up.
+// Related to bug fix for `s3 200 OK response with empty payload`
+func s3unmarshalXMLError(v interface{}, stream io.Reader) error {
+	var errBuf bytes.Buffer
+	body := io.TeeReader(stream, &errBuf)
+
+	err := xml.NewDecoder(body).Decode(v)
+	if err != nil && err != io.EOF {
+		return awserr.NewUnmarshalError(err,
+			"failed to unmarshal error message", errBuf.Bytes())
+	}
+
+	return err
+}

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

@@ -1788,7 +1788,7 @@ type AssumeRoleWithSAMLInput struct {
 	// in the IAM User Guide.
 	//
 	// SAMLAssertion is a required field
-	SAMLAssertion *string `min:"4" type:"string" required:"true"`
+	SAMLAssertion *string `min:"4" type:"string" required:"true" sensitive:"true"`
 }
 
 // String returns the string representation
@@ -2100,7 +2100,7 @@ type AssumeRoleWithWebIdentityInput struct {
 	// the application makes an AssumeRoleWithWebIdentity call.
 	//
 	// WebIdentityToken is a required field
-	WebIdentityToken *string `min:"4" type:"string" required:"true"`
+	WebIdentityToken *string `min:"4" type:"string" required:"true" sensitive:"true"`
 }
 
 // String returns the string representation