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Vendor azure-sdk-for-go with godep

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Signed-off-by: Ahmet Alp Balkan <ahmetalpbalkan@gmail.com>
This commit is contained in:
Ahmet Alp Balkan 2015-02-04 16:37:43 -08:00
parent d224eda04c
commit bdc268bca3
7 changed files with 2673 additions and 0 deletions
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5
Godeps/Godeps.json generated
View file

@ -22,6 +22,11 @@
"ImportPath": "github.com/AdRoll/goamz/s3", "ImportPath": "github.com/AdRoll/goamz/s3",
"Rev": "d3664b76d90508cdda5a6c92042f26eab5db3103" "Rev": "d3664b76d90508cdda5a6c92042f26eab5db3103"
}, },
{
"ImportPath": "github.com/MSOpenTech/azure-sdk-for-go/clients/storage",
"Comment": "v1.1-119-g0fbd371",
"Rev": "0fbd37144de3adc2aef74db867c0e15e41c7f74a"
},
{ {
"ImportPath": "github.com/Sirupsen/logrus", "ImportPath": "github.com/Sirupsen/logrus",
"Comment": "v0.6.1-8-gcc09837", "Comment": "v0.6.1-8-gcc09837",

884
Godeps/_workspace/src/github.com/MSOpenTech/azure-sdk-for-go/clients/storage/blob.go generated vendored Normal file
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@ -0,0 +1,884 @@
package storage
import (
"bytes"
"encoding/base64"
"encoding/xml"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"strconv"
"strings"
"time"
)
type BlobStorageClient struct {
client StorageClient
}
// A Container is an entry in ContainerListResponse.
type Container struct {
Name string `xml:"Name"`
Properties ContainerProperties `xml:"Properties"`
// TODO (ahmetalpbalkan) Metadata
}
// ContainerProperties contains various properties of a
// container returned from various endpoints like ListContainers.
type ContainerProperties struct {
LastModified string `xml:"Last-Modified"`
Etag string `xml:"Etag"`
LeaseStatus string `xml:"LeaseStatus"`
LeaseState string `xml:"LeaseState"`
LeaseDuration string `xml:"LeaseDuration"`
// TODO (ahmetalpbalkan) remaining fields
}
// ContainerListResponse contains the response fields from
// ListContainers call. https://msdn.microsoft.com/en-us/library/azure/dd179352.aspx
type ContainerListResponse struct {
XMLName xml.Name `xml:"EnumerationResults"`
Xmlns string `xml:"xmlns,attr"`
Prefix string `xml:"Prefix"`
Marker string `xml:"Marker"`
NextMarker string `xml:"NextMarker"`
MaxResults int64 `xml:"MaxResults"`
Containers []Container `xml:"Containers>Container"`
}
// A Blob is an entry in BlobListResponse.
type Blob struct {
Name string `xml:"Name"`
Properties BlobProperties `xml:"Properties"`
// TODO (ahmetalpbalkan) Metadata
}
// BlobProperties contains various properties of a blob
// returned in various endpoints like ListBlobs or GetBlobProperties.
type BlobProperties struct {
LastModified string `xml:"Last-Modified"`
Etag string `xml:"Etag"`
ContentMD5 string `xml:"Content-MD5"`
ContentLength int64 `xml:"Content-Length"`
ContentType string `xml:"Content-Type"`
ContentEncoding string `xml:"Content-Encoding"`
BlobType BlobType `xml:"x-ms-blob-blob-type"`
SequenceNumber int64 `xml:"x-ms-blob-sequence-number"`
CopyId string `xml:"CopyId"`
CopyStatus string `xml:"CopyStatus"`
CopySource string `xml:"CopySource"`
CopyProgress string `xml:"CopyProgress"`
CopyCompletionTime string `xml:"CopyCompletionTime"`
CopyStatusDescription string `xml:"CopyStatusDescription"`
}
// BlobListResponse contains the response fields from
// ListBlobs call. https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx
type BlobListResponse struct {
XMLName xml.Name `xml:"EnumerationResults"`
Xmlns string `xml:"xmlns,attr"`
Prefix string `xml:"Prefix"`
Marker string `xml:"Marker"`
NextMarker string `xml:"NextMarker"`
MaxResults int64 `xml:"MaxResults"`
Blobs []Blob `xml:"Blobs>Blob"`
}
// ListContainersParameters defines the set of customizable
// parameters to make a List Containers call. https://msdn.microsoft.com/en-us/library/azure/dd179352.aspx
type ListContainersParameters struct {
Prefix string
Marker string
Include string
MaxResults uint
Timeout uint
}
func (p ListContainersParameters) getParameters() url.Values {
out := url.Values{}
if p.Prefix != "" {
out.Set("prefix", p.Prefix)
}
if p.Marker != "" {
out.Set("marker", p.Marker)
}
if p.Include != "" {
out.Set("include", p.Include)
}
if p.MaxResults != 0 {
out.Set("maxresults", fmt.Sprintf("%v", p.MaxResults))
}
if p.Timeout != 0 {
out.Set("timeout", fmt.Sprintf("%v", p.Timeout))
}
return out
}
// ListBlobsParameters defines the set of customizable
// parameters to make a List Blobs call. https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx
type ListBlobsParameters struct {
Prefix string
Delimiter string
Marker string
Include string
MaxResults uint
Timeout uint
}
func (p ListBlobsParameters) getParameters() url.Values {
out := url.Values{}
if p.Prefix != "" {
out.Set("prefix", p.Prefix)
}
if p.Delimiter != "" {
out.Set("delimiter", p.Delimiter)
}
if p.Marker != "" {
out.Set("marker", p.Marker)
}
if p.Include != "" {
out.Set("include", p.Include)
}
if p.MaxResults != 0 {
out.Set("maxresults", fmt.Sprintf("%v", p.MaxResults))
}
if p.Timeout != 0 {
out.Set("timeout", fmt.Sprintf("%v", p.Timeout))
}
return out
}
// BlobType defines the type of the Azure Blob.
type BlobType string
const (
BlobTypeBlock BlobType = "BlockBlob"
BlobTypePage BlobType = "PageBlob"
)
// PageWriteType defines the type updates that are going to be
// done on the page blob.
type PageWriteType string
const (
PageWriteTypeUpdate PageWriteType = "update"
PageWriteTypeClear PageWriteType = "clear"
)
const (
blobCopyStatusPending = "pending"
blobCopyStatusSuccess = "success"
blobCopyStatusAborted = "aborted"
blobCopyStatusFailed = "failed"
)
// BlockListType is used to filter out types of blocks
// in a Get Blocks List call for a block blob. See
// https://msdn.microsoft.com/en-us/library/azure/dd179400.aspx
// for all block types.
type BlockListType string
const (
BlockListTypeAll BlockListType = "all"
BlockListTypeCommitted BlockListType = "committed"
BlockListTypeUncommitted BlockListType = "uncommitted"
)
// ContainerAccessType defines the access level to the container
// from a public request. See https://msdn.microsoft.com/en-us/library/azure/dd179468.aspx
// and "x-ms-blob-public-access" header.
type ContainerAccessType string
const (
ContainerAccessTypePrivate ContainerAccessType = ""
ContainerAccessTypeBlob ContainerAccessType = "blob"
ContainerAccessTypeContainer ContainerAccessType = "container"
)
const (
MaxBlobBlockSize = 4 * 1024 * 1024
MaxBlobPageSize = 4 * 1024 * 1024
)
// BlockStatus defines states a block for a block blob can
// be in.
type BlockStatus string
const (
BlockStatusUncommitted BlockStatus = "Uncommitted"
BlockStatusCommitted BlockStatus = "Committed"
BlockStatusLatest BlockStatus = "Latest"
)
// Block is used to create Block entities for Put Block List
// call.
type Block struct {
Id string
Status BlockStatus
}
// BlockListResponse contains the response fields from
// Get Block List call. https://msdn.microsoft.com/en-us/library/azure/dd179400.aspx
type BlockListResponse struct {
XMLName xml.Name `xml:"BlockList"`
CommittedBlocks []BlockResponse `xml:"CommittedBlocks>Block"`
UncommittedBlocks []BlockResponse `xml:"UncommittedBlocks>Block"`
}
// BlockResponse contains the block information returned
// in the GetBlockListCall.
type BlockResponse struct {
Name string `xml:"Name"`
Size int64 `xml:"Size"`
}
// GetPageRangesResponse contains the reponse fields from
// Get Page Ranges call. https://msdn.microsoft.com/en-us/library/azure/ee691973.aspx
type GetPageRangesResponse struct {
XMLName xml.Name `xml:"PageList"`
PageList []PageRange `xml:"PageRange"`
}
// PageRange contains information about a page of a page blob from
// Get Pages Range call. https://msdn.microsoft.com/en-us/library/azure/ee691973.aspx
type PageRange struct {
Start int64 `xml:"Start"`
End int64 `xml:"End"`
}
var (
ErrNotCreated = errors.New("storage: operation has returned a successful error code other than 201 Created.")
ErrNotAccepted = errors.New("storage: operation has returned a successful error code other than 202 Accepted.")
errBlobCopyAborted = errors.New("storage: blob copy is aborted")
errBlobCopyIdMismatch = errors.New("storage: blob copy id is a mismatch")
)
const errUnexpectedStatus = "storage: was expecting status code: %d, got: %d"
// ListContainers returns the list of containers in a storage account along with
// pagination token and other response details. See https://msdn.microsoft.com/en-us/library/azure/dd179352.aspx
func (b BlobStorageClient) ListContainers(params ListContainersParameters) (ContainerListResponse, error) {
q := mergeParams(params.getParameters(), url.Values{"comp": {"list"}})
uri := b.client.getEndpoint(blobServiceName, "", q)
headers := b.client.getStandardHeaders()
var out ContainerListResponse
resp, err := b.client.exec("GET", uri, headers, nil)
if err != nil {
return out, err
}
err = xmlUnmarshal(resp.body, &out)
return out, err
}
// CreateContainer creates a blob container within the storage account
// with given name and access level. See https://msdn.microsoft.com/en-us/library/azure/dd179468.aspx
// Returns error if container already exists.
func (b BlobStorageClient) CreateContainer(name string, access ContainerAccessType) error {
resp, err := b.createContainer(name, access)
if err != nil {
return err
}
if resp.statusCode != http.StatusCreated {
return ErrNotCreated
}
return nil
}
// CreateContainerIfNotExists creates a blob container if it does not exist. Returns
// true if container is newly created or false if container already exists.
func (b BlobStorageClient) CreateContainerIfNotExists(name string, access ContainerAccessType) (bool, error) {
resp, err := b.createContainer(name, access)
if resp != nil && (resp.statusCode == http.StatusCreated || resp.statusCode == http.StatusConflict) {
return resp.statusCode == http.StatusCreated, nil
}
return false, err
}
func (b BlobStorageClient) createContainer(name string, access ContainerAccessType) (*storageResponse, error) {
verb := "PUT"
uri := b.client.getEndpoint(blobServiceName, pathForContainer(name), url.Values{"restype": {"container"}})
headers := b.client.getStandardHeaders()
headers["Content-Length"] = "0"
if access != "" {
headers["x-ms-blob-public-access"] = string(access)
}
return b.client.exec(verb, uri, headers, nil)
}
// ContainerExists returns true if a container with given name exists
// on the storage account, otherwise returns false.
func (b BlobStorageClient) ContainerExists(name string) (bool, error) {
verb := "HEAD"
uri := b.client.getEndpoint(blobServiceName, pathForContainer(name), url.Values{"restype": {"container"}})
headers := b.client.getStandardHeaders()
resp, err := b.client.exec(verb, uri, headers, nil)
if resp != nil && (resp.statusCode == http.StatusOK || resp.statusCode == http.StatusNotFound) {
return resp.statusCode == http.StatusOK, nil
}
return false, err
}
// DeleteContainer deletes the container with given name on the storage
// account. See https://msdn.microsoft.com/en-us/library/azure/dd179408.aspx
// If the container does not exist returns error.
func (b BlobStorageClient) DeleteContainer(name string) error {
resp, err := b.deleteContainer(name)
if err != nil {
return err
}
if resp.statusCode != http.StatusAccepted {
return ErrNotAccepted
}
return nil
}
// DeleteContainer deletes the container with given name on the storage
// account if it exists. See https://msdn.microsoft.com/en-us/library/azure/dd179408.aspx
// Returns true if container is deleted with this call, or false
// if the container did not exist at the time of the Delete Container operation.
func (b BlobStorageClient) DeleteContainerIfExists(name string) (bool, error) {
resp, err := b.deleteContainer(name)
if resp != nil && (resp.statusCode == http.StatusAccepted || resp.statusCode == http.StatusNotFound) {
return resp.statusCode == http.StatusAccepted, nil
}
return false, err
}
func (b BlobStorageClient) deleteContainer(name string) (*storageResponse, error) {
verb := "DELETE"
uri := b.client.getEndpoint(blobServiceName, pathForContainer(name), url.Values{"restype": {"container"}})
headers := b.client.getStandardHeaders()
return b.client.exec(verb, uri, headers, nil)
}
// ListBlobs returns an object that contains list of blobs in the container,
// pagination token and other information in the response of List Blobs call.
// See https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx
func (b BlobStorageClient) ListBlobs(container string, params ListBlobsParameters) (BlobListResponse, error) {
q := mergeParams(params.getParameters(), url.Values{
"restype": {"container"},
"comp": {"list"}})
uri := b.client.getEndpoint(blobServiceName, pathForContainer(container), q)
headers := b.client.getStandardHeaders()
var out BlobListResponse
resp, err := b.client.exec("GET", uri, headers, nil)
if err != nil {
return out, err
}
err = xmlUnmarshal(resp.body, &out)
return out, err
}
// BlobExists returns true if a blob with given name exists on the
// specified container of the storage account.
func (b BlobStorageClient) BlobExists(container, name string) (bool, error) {
verb := "HEAD"
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{})
headers := b.client.getStandardHeaders()
resp, err := b.client.exec(verb, uri, headers, nil)
if resp != nil && (resp.statusCode == http.StatusOK || resp.statusCode == http.StatusNotFound) {
return resp.statusCode == http.StatusOK, nil
}
return false, err
}
// GetBlobUrl gets the canonical URL to the blob with the specified
// name in the specified container. This method does not create a
// publicly accessible URL if the blob or container is private and this
// method does not check if the blob exists.
func (b BlobStorageClient) GetBlobUrl(container, name string) string {
if container == "" {
container = "$root"
}
return b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{})
}
// GetBlob downloads a blob to a stream. See https://msdn.microsoft.com/en-us/library/azure/dd179440.aspx
func (b BlobStorageClient) GetBlob(container, name string) (io.ReadCloser, error) {
resp, err := b.getBlobRange(container, name, "")
if err != nil {
return nil, err
}
if resp.statusCode != http.StatusOK {
return nil, fmt.Errorf(errUnexpectedStatus, http.StatusOK, resp.statusCode)
}
return resp.body, nil
}
// GetBlobRange reads the specified range of a blob to a stream.
// The bytesRange string must be in a format like "0-", "10-100"
// as defined in HTTP 1.1 spec. See https://msdn.microsoft.com/en-us/library/azure/dd179440.aspx
func (b BlobStorageClient) GetBlobRange(container, name, bytesRange string) (io.ReadCloser, error) {
resp, err := b.getBlobRange(container, name, bytesRange)
if err != nil {
return nil, err
}
if resp.statusCode != http.StatusPartialContent {
return nil, fmt.Errorf(errUnexpectedStatus, http.StatusPartialContent, resp.statusCode)
}
return resp.body, nil
}
func (b BlobStorageClient) getBlobRange(container, name, bytesRange string) (*storageResponse, error) {
verb := "GET"
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{})
headers := b.client.getStandardHeaders()
if bytesRange != "" {
headers["Range"] = fmt.Sprintf("bytes=%s", bytesRange)
}
resp, err := b.client.exec(verb, uri, headers, nil)
if err != nil {
return nil, err
}
return resp, err
}
// GetBlobProperties provides various information about the specified
// blob. See https://msdn.microsoft.com/en-us/library/azure/dd179394.aspx
func (b BlobStorageClient) GetBlobProperties(container, name string) (*BlobProperties, error) {
verb := "HEAD"
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{})
headers := b.client.getStandardHeaders()
resp, err := b.client.exec(verb, uri, headers, nil)
if err != nil {
return nil, err
}
if resp.statusCode != http.StatusOK {
return nil, fmt.Errorf(errUnexpectedStatus, http.StatusOK, resp.statusCode)
}
var contentLength int64
contentLengthStr := resp.headers.Get("Content-Length")
if contentLengthStr != "" {
contentLength, err = strconv.ParseInt(contentLengthStr, 0, 64)
if err != nil {
return nil, err
}
}
var sequenceNum int64
sequenceNumStr := resp.headers.Get("x-ms-blob-sequence-number")
if sequenceNumStr != "" {
sequenceNum, err = strconv.ParseInt(sequenceNumStr, 0, 64)
if err != nil {
return nil, err
}
}
return &BlobProperties{
LastModified: resp.headers.Get("Last-Modified"),
Etag: resp.headers.Get("Etag"),
ContentMD5: resp.headers.Get("Content-MD5"),
ContentLength: contentLength,
ContentEncoding: resp.headers.Get("Content-Encoding"),
SequenceNumber: sequenceNum,
CopyCompletionTime: resp.headers.Get("x-ms-copy-completion-time"),
CopyStatusDescription: resp.headers.Get("x-ms-copy-status-description"),
CopyId: resp.headers.Get("x-ms-copy-id"),
CopyProgress: resp.headers.Get("x-ms-copy-progress"),
CopySource: resp.headers.Get("x-ms-copy-source"),
CopyStatus: resp.headers.Get("x-ms-copy-status"),
BlobType: BlobType(resp.headers.Get("x-ms-blob-type")),
}, nil
}
// CreateBlockBlob initializes an empty block blob with no blocks.
// See https://msdn.microsoft.com/en-us/library/azure/dd179451.aspx
func (b BlobStorageClient) CreateBlockBlob(container, name string) error {
path := fmt.Sprintf("%s/%s", container, name)
uri := b.client.getEndpoint(blobServiceName, path, url.Values{})
headers := b.client.getStandardHeaders()
headers["x-ms-blob-type"] = string(BlobTypeBlock)
headers["Content-Length"] = fmt.Sprintf("%v", 0)
resp, err := b.client.exec("PUT", uri, headers, nil)
if err != nil {
return err
}
if resp.statusCode != http.StatusCreated {
return ErrNotCreated
}
return nil
}
// PutBlockBlob uploads given stream into a block blob by splitting
// data stream into chunks and uploading as blocks. Commits the block
// list at the end. This is a helper method built on top of PutBlock
// and PutBlockList methods with sequential block ID counting logic.
func (b BlobStorageClient) PutBlockBlob(container, name string, blob io.Reader) error { // TODO (ahmetalpbalkan) consider ReadCloser and closing
return b.putBlockBlob(container, name, blob, MaxBlobBlockSize)
}
func (b BlobStorageClient) putBlockBlob(container, name string, blob io.Reader, chunkSize int) error {
if chunkSize <= 0 || chunkSize > MaxBlobBlockSize {
chunkSize = MaxBlobBlockSize
}
chunk := make([]byte, chunkSize)
n, err := blob.Read(chunk)
if err != nil && err != io.EOF {
return err
}
if err == io.EOF {
// Fits into one block
return b.putSingleBlockBlob(container, name, chunk[:n])
} else {
// Does not fit into one block. Upload block by block then commit the block list
blockList := []Block{}
// Put blocks
for blockNum := 0; ; blockNum++ {
id := base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%011d", blockNum)))
data := chunk[:n]
err = b.PutBlock(container, name, id, data)
if err != nil {
return err
}
blockList = append(blockList, Block{id, BlockStatusLatest})
// Read next block
n, err = blob.Read(chunk)
if err != nil && err != io.EOF {
return err
}
if err == io.EOF {
break
}
}
// Commit block list
return b.PutBlockList(container, name, blockList)
}
}
func (b BlobStorageClient) putSingleBlockBlob(container, name string, chunk []byte) error {
if len(chunk) > MaxBlobBlockSize {
return fmt.Errorf("storage: provided chunk (%d bytes) cannot fit into single-block blob (max %d bytes)", len(chunk), MaxBlobBlockSize)
}
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{})
headers := b.client.getStandardHeaders()
headers["x-ms-blob-type"] = string(BlobTypeBlock)
headers["Content-Length"] = fmt.Sprintf("%v", len(chunk))
resp, err := b.client.exec("PUT", uri, headers, bytes.NewReader(chunk))
if err != nil {
return err
}
if resp.statusCode != http.StatusCreated {
return ErrNotCreated
}
return nil
}
// PutBlock saves the given data chunk to the specified block blob with
// given ID. See https://msdn.microsoft.com/en-us/library/azure/dd135726.aspx
func (b BlobStorageClient) PutBlock(container, name, blockId string, chunk []byte) error {
return b.PutBlockWithLength(container, name, blockId, uint64(len(chunk)), bytes.NewReader(chunk))
}
// PutBlockWithLength saves the given data stream of exactly specified size to the block blob
// with given ID. See https://msdn.microsoft.com/en-us/library/azure/dd135726.aspx
// It is an alternative to PutBlocks where data comes as stream but the length is
// known in advance.
func (b BlobStorageClient) PutBlockWithLength(container, name, blockId string, size uint64, blob io.Reader) error {
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{"comp": {"block"}, "blockid": {blockId}})
headers := b.client.getStandardHeaders()
headers["x-ms-blob-type"] = string(BlobTypeBlock)
headers["Content-Length"] = fmt.Sprintf("%v", size)
resp, err := b.client.exec("PUT", uri, headers, blob)
if err != nil {
return err
}
if resp.statusCode != http.StatusCreated {
return ErrNotCreated
}
return nil
}
// PutBlockList saves list of blocks to the specified block blob. See
// https://msdn.microsoft.com/en-us/library/azure/dd179467.aspx
func (b BlobStorageClient) PutBlockList(container, name string, blocks []Block) error {
blockListXml := prepareBlockListRequest(blocks)
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{"comp": {"blocklist"}})
headers := b.client.getStandardHeaders()
headers["Content-Length"] = fmt.Sprintf("%v", len(blockListXml))
resp, err := b.client.exec("PUT", uri, headers, strings.NewReader(blockListXml))
if err != nil {
return err
}
if resp.statusCode != http.StatusCreated {
return ErrNotCreated
}
return nil
}
// GetBlockList retrieves list of blocks in the specified block blob. See
// https://msdn.microsoft.com/en-us/library/azure/dd179400.aspx
func (b BlobStorageClient) GetBlockList(container, name string, blockType BlockListType) (BlockListResponse, error) {
params := url.Values{"comp": {"blocklist"}, "blocklisttype": {string(blockType)}}
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), params)
headers := b.client.getStandardHeaders()
var out BlockListResponse
resp, err := b.client.exec("GET", uri, headers, nil)
if err != nil {
return out, err
}
err = xmlUnmarshal(resp.body, &out)
return out, err
}
// PutPageBlob initializes an empty page blob with specified name and maximum
// size in bytes (size must be aligned to a 512-byte boundary). A page blob must
// be created using this method before writing pages.
// See https://msdn.microsoft.com/en-us/library/azure/dd179451.aspx
func (b BlobStorageClient) PutPageBlob(container, name string, size int64) error {
path := fmt.Sprintf("%s/%s", container, name)
uri := b.client.getEndpoint(blobServiceName, path, url.Values{})
headers := b.client.getStandardHeaders()
headers["x-ms-blob-type"] = string(BlobTypePage)
headers["x-ms-blob-content-length"] = fmt.Sprintf("%v", size)
headers["Content-Length"] = fmt.Sprintf("%v", 0)
resp, err := b.client.exec("PUT", uri, headers, nil)
if err != nil {
return err
}
if resp.statusCode != http.StatusCreated {
return ErrNotCreated
}
return nil
}
// PutPage writes a range of pages to a page blob or clears the given range.
// In case of 'clear' writes, given chunk is discarded. Ranges must be aligned
// with 512-byte boundaries and chunk must be of size multiplies by 512.
// See https://msdn.microsoft.com/en-us/library/ee691975.aspx
func (b BlobStorageClient) PutPage(container, name string, startByte, endByte int64, writeType PageWriteType, chunk []byte) error {
path := fmt.Sprintf("%s/%s", container, name)
uri := b.client.getEndpoint(blobServiceName, path, url.Values{"comp": {"page"}})
headers := b.client.getStandardHeaders()
headers["x-ms-blob-type"] = string(BlobTypePage)
headers["x-ms-page-write"] = string(writeType)
headers["x-ms-range"] = fmt.Sprintf("bytes=%v-%v", startByte, endByte)
var contentLength int64
var data io.Reader
if writeType == PageWriteTypeClear {
contentLength = 0
data = bytes.NewReader([]byte{})
} else {
contentLength = int64(len(chunk))
data = bytes.NewReader(chunk)
}
headers["Content-Length"] = fmt.Sprintf("%v", contentLength)
resp, err := b.client.exec("PUT", uri, headers, data)
if err != nil {
return err
}
if resp.statusCode != http.StatusCreated {
return ErrNotCreated
}
return nil
}
// GetPageRanges returns the list of valid page ranges for a page blob.
// See https://msdn.microsoft.com/en-us/library/azure/ee691973.aspx
func (b BlobStorageClient) GetPageRanges(container, name string) (GetPageRangesResponse, error) {
path := fmt.Sprintf("%s/%s", container, name)
uri := b.client.getEndpoint(blobServiceName, path, url.Values{"comp": {"pagelist"}})
headers := b.client.getStandardHeaders()
var out GetPageRangesResponse
resp, err := b.client.exec("GET", uri, headers, nil)
if err != nil {
return out, err
}
if resp.statusCode != http.StatusOK {
return out, fmt.Errorf(errUnexpectedStatus, http.StatusOK, resp.statusCode)
}
err = xmlUnmarshal(resp.body, &out)
return out, err
}
// CopyBlob starts a blob copy operation and waits for the operation to complete.
// sourceBlob parameter must be a canonical URL to the blob (can be obtained using
// GetBlobURL method.) There is no SLA on blob copy and therefore this helper
// method works faster on smaller files. See https://msdn.microsoft.com/en-us/library/azure/dd894037.aspx
func (b BlobStorageClient) CopyBlob(container, name, sourceBlob string) error {
copyId, err := b.startBlobCopy(container, name, sourceBlob)
if err != nil {
return err
}
return b.waitForBlobCopy(container, name, copyId)
}
func (b BlobStorageClient) startBlobCopy(container, name, sourceBlob string) (string, error) {
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{})
headers := b.client.getStandardHeaders()
headers["Content-Length"] = "0"
headers["x-ms-copy-source"] = sourceBlob
resp, err := b.client.exec("PUT", uri, headers, nil)
if err != nil {
return "", err
}
if resp.statusCode != http.StatusAccepted && resp.statusCode != http.StatusCreated {
return "", fmt.Errorf(errUnexpectedStatus, []int{http.StatusAccepted, http.StatusCreated}, resp.statusCode)
}
copyId := resp.headers.Get("x-ms-copy-id")
if copyId == "" {
return "", errors.New("Got empty copy id header")
}
return copyId, nil
}
func (b BlobStorageClient) waitForBlobCopy(container, name, copyId string) error {
for {
props, err := b.GetBlobProperties(container, name)
if err != nil {
return err
}
if props.CopyId != copyId {
return errBlobCopyIdMismatch
}
switch props.CopyStatus {
case blobCopyStatusSuccess:
return nil
case blobCopyStatusPending:
continue
case blobCopyStatusAborted:
return errBlobCopyAborted
case blobCopyStatusFailed:
return fmt.Errorf("storage: blob copy failed. Id=%s Description=%s", props.CopyId, props.CopyStatusDescription)
default:
return fmt.Errorf("storage: unhandled blob copy status: '%s'", props.CopyStatus)
}
}
}
// DeleteBlob deletes the given blob from the specified container.
// If the blob does not exists at the time of the Delete Blob operation, it
// returns error. See https://msdn.microsoft.com/en-us/library/azure/dd179413.aspx
func (b BlobStorageClient) DeleteBlob(container, name string) error {
resp, err := b.deleteBlob(container, name)
if err != nil {
return err
}
if resp.statusCode != http.StatusAccepted {
return ErrNotAccepted
}
return nil
}
// DeleteBlobIfExists deletes the given blob from the specified container
// If the blob is deleted with this call, returns true. Otherwise returns
// false. See https://msdn.microsoft.com/en-us/library/azure/dd179413.aspx
func (b BlobStorageClient) DeleteBlobIfExists(container, name string) (bool, error) {
resp, err := b.deleteBlob(container, name)
if resp != nil && (resp.statusCode == http.StatusAccepted || resp.statusCode == http.StatusNotFound) {
return resp.statusCode == http.StatusAccepted, nil
}
return false, err
}
func (b BlobStorageClient) deleteBlob(container, name string) (*storageResponse, error) {
verb := "DELETE"
uri := b.client.getEndpoint(blobServiceName, pathForBlob(container, name), url.Values{})
headers := b.client.getStandardHeaders()
return b.client.exec(verb, uri, headers, nil)
}
// helper method to construct the path to a container given its name
func pathForContainer(name string) string {
return fmt.Sprintf("/%s", name)
}
// helper method to construct the path to a blob given its container and blob name
func pathForBlob(container, name string) string {
return fmt.Sprintf("/%s/%s", container, name)
}
// GetBlobSASURI creates an URL to the specified blob which contains the Shared Access Signature
// with specified permissions and expiration time. See https://msdn.microsoft.com/en-us/library/azure/ee395415.aspx
func (b BlobStorageClient) GetBlobSASURI(container, name string, expiry time.Time, permissions string) (string, error) {
var (
signedPermissions = permissions
blobUrl = b.GetBlobUrl(container, name)
)
canonicalizedResource, err := b.client.buildCanonicalizedResource(blobUrl)
if err != nil {
return "", err
}
signedExpiry := expiry.Format(time.RFC3339)
signedResource := "b"
stringToSign, err := blobSASStringToSign(b.client.apiVersion, canonicalizedResource, signedExpiry, signedPermissions)
if err != nil {
return "", err
}
sig := b.client.computeHmac256(stringToSign)
sasParams := url.Values{
"sv": {b.client.apiVersion},
"se": {signedExpiry},
"sr": {signedResource},
"sp": {signedPermissions},
"sig": {sig},
}
sasUrl, err := url.Parse(blobUrl)
if err != nil {
return "", err
}
sasUrl.RawQuery = sasParams.Encode()
return sasUrl.String(), nil
}
func blobSASStringToSign(signedVersion, canonicalizedResource, signedExpiry, signedPermissions string) (string, error) {
var signedStart, signedIdentifier, rscc, rscd, rsce, rscl, rsct string
// reference: http://msdn.microsoft.com/en-us/library/azure/dn140255.aspx
if signedVersion >= "2013-08-15" {
return fmt.Sprintf("%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s", signedPermissions, signedStart, signedExpiry, canonicalizedResource, signedIdentifier, signedVersion, rscc, rscd, rsce, rscl, rsct), nil
} else {
return "", errors.New("storage: not implemented SAS for versions earlier than 2013-08-15")
}
}

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315
Godeps/_workspace/src/github.com/MSOpenTech/azure-sdk-for-go/clients/storage/client.go generated vendored Normal file
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package storage
import (
"bytes"
"encoding/base64"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"regexp"
"sort"
"strings"
)
const (
DefaultBaseUrl = "core.windows.net"
DefaultApiVersion = "2014-02-14"
defaultUseHttps = true
blobServiceName = "blob"
tableServiceName = "table"
queueServiceName = "queue"
)
// StorageClient is the object that needs to be constructed
// to perform operations on the storage account.
type StorageClient struct {
accountName string
accountKey []byte
useHttps bool
baseUrl string
apiVersion string
}
type storageResponse struct {
statusCode int
headers http.Header
body io.ReadCloser
}
// StorageServiceError contains fields of the error response from
// Azure Storage Service REST API. See https://msdn.microsoft.com/en-us/library/azure/dd179382.aspx
// Some fields might be specific to certain calls.
type StorageServiceError struct {
Code string `xml:"Code"`
Message string `xml:"Message"`
AuthenticationErrorDetail string `xml:"AuthenticationErrorDetail"`
QueryParameterName string `xml:"QueryParameterName"`
QueryParameterValue string `xml:"QueryParameterValue"`
Reason string `xml:"Reason"`
StatusCode int
RequestId string
}
// NewBasicClient constructs a StorageClient with given storage service name
// and key.
func NewBasicClient(accountName, accountKey string) (*StorageClient, error) {
return NewClient(accountName, accountKey, DefaultBaseUrl, DefaultApiVersion, defaultUseHttps)
}
// NewClient constructs a StorageClient. This should be used if the caller
// wants to specify whether to use HTTPS, a specific REST API version or a
// custom storage endpoint than Azure Public Cloud.
func NewClient(accountName, accountKey, blobServiceBaseUrl, apiVersion string, useHttps bool) (*StorageClient, error) {
if accountName == "" {
return nil, fmt.Errorf("azure: account name required")
} else if accountKey == "" {
return nil, fmt.Errorf("azure: account key required")
} else if blobServiceBaseUrl == "" {
return nil, fmt.Errorf("azure: base storage service url required")
}
key, err := base64.StdEncoding.DecodeString(accountKey)
if err != nil {
return nil, err
}
return &StorageClient{
accountName: accountName,
accountKey: key,
useHttps: useHttps,
baseUrl: blobServiceBaseUrl,
apiVersion: apiVersion}, nil
}
func (c StorageClient) getBaseUrl(service string) string {
scheme := "http"
if c.useHttps {
scheme = "https"
}
host := fmt.Sprintf("%s.%s.%s", c.accountName, service, c.baseUrl)
u := &url.URL{
Scheme: scheme,
Host: host}
return u.String()
}
func (c StorageClient) getEndpoint(service, path string, params url.Values) string {
u, err := url.Parse(c.getBaseUrl(service))
if err != nil {
// really should not be happening
panic(err)
}
if path == "" {
path = "/" // API doesn't accept path segments not starting with '/'
}
u.Path = path
u.RawQuery = params.Encode()
return u.String()
}
// GetBlobService returns a BlobStorageClient which can operate on the
// blob service of the storage account.
func (c StorageClient) GetBlobService() *BlobStorageClient {
return &BlobStorageClient{c}
}
func (c StorageClient) createAuthorizationHeader(canonicalizedString string) string {
signature := c.computeHmac256(canonicalizedString)
return fmt.Sprintf("%s %s:%s", "SharedKey", c.accountName, signature)
}
func (c StorageClient) getAuthorizationHeader(verb, url string, headers map[string]string) (string, error) {
canonicalizedResource, err := c.buildCanonicalizedResource(url)
if err != nil {
return "", err
}
canonicalizedString := c.buildCanonicalizedString(verb, headers, canonicalizedResource)
return c.createAuthorizationHeader(canonicalizedString), nil
}
func (c StorageClient) getStandardHeaders() map[string]string {
return map[string]string{
"x-ms-version": c.apiVersion,
"x-ms-date": currentTimeRfc1123Formatted(),
}
}
func (c StorageClient) buildCanonicalizedHeader(headers map[string]string) string {
cm := make(map[string]string)
for k, v := range headers {
headerName := strings.TrimSpace(strings.ToLower(k))
match, _ := regexp.MatchString("x-ms-", headerName)
if match {
cm[headerName] = v
}
}
if len(cm) == 0 {
return ""
}
keys := make([]string, 0, len(cm))
for key := range cm {
keys = append(keys, key)
}
sort.Strings(keys)
ch := ""
for i, key := range keys {
if i == len(keys)-1 {
ch += fmt.Sprintf("%s:%s", key, cm[key])
} else {
ch += fmt.Sprintf("%s:%s\n", key, cm[key])
}
}
return ch
}
func (c StorageClient) buildCanonicalizedResource(uri string) (string, error) {
errMsg := "buildCanonicalizedResource error: %s"
u, err := url.Parse(uri)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
cr := "/" + c.accountName
if len(u.Path) > 0 {
cr += u.Path
}
params, err := url.ParseQuery(u.RawQuery)
if err != nil {
return "", fmt.Errorf(errMsg, err.Error())
}
if len(params) > 0 {
cr += "\n"
keys := make([]string, 0, len(params))
for key := range params {
keys = append(keys, key)
}
sort.Strings(keys)
for i, key := range keys {
if len(params[key]) > 1 {
sort.Strings(params[key])
}
if i == len(keys)-1 {
cr += fmt.Sprintf("%s:%s", key, strings.Join(params[key], ","))
} else {
cr += fmt.Sprintf("%s:%s\n", key, strings.Join(params[key], ","))
}
}
}
return cr, nil
}
func (c StorageClient) buildCanonicalizedString(verb string, headers map[string]string, canonicalizedResource string) string {
canonicalizedString := fmt.Sprintf("%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s",
verb,
headers["Content-Encoding"],
headers["Content-Language"],
headers["Content-Length"],
headers["Content-MD5"],
headers["Content-Type"],
headers["Date"],
headers["If-Modified-Singe"],
headers["If-Match"],
headers["If-None-Match"],
headers["If-Unmodified-Singe"],
headers["Range"],
c.buildCanonicalizedHeader(headers),
canonicalizedResource)
return canonicalizedString
}
func (c StorageClient) exec(verb, url string, headers map[string]string, body io.Reader) (*storageResponse, error) {
authHeader, err := c.getAuthorizationHeader(verb, url, headers)
if err != nil {
return nil, err
}
headers["Authorization"] = authHeader
if err != nil {
return nil, err
}
req, err := http.NewRequest(verb, url, body)
for k, v := range headers {
req.Header.Add(k, v)
}
httpClient := http.Client{}
resp, err := httpClient.Do(req)
if err != nil {
return nil, err
}
statusCode := resp.StatusCode
if statusCode >= 400 && statusCode <= 505 {
var respBody []byte
respBody, err = readResponseBody(resp)
if err != nil {
return nil, err
}
if len(respBody) == 0 {
// no error in response body
err = fmt.Errorf("storage: service returned without a response body (%s).", resp.Status)
} else {
// response contains storage service error object, unmarshal
storageErr, errIn := serviceErrFromXml(respBody, resp.StatusCode, resp.Header.Get("x-ms-request-id"))
if err != nil { // error unmarshaling the error response
err = errIn
}
err = storageErr
}
return &storageResponse{
statusCode: resp.StatusCode,
headers: resp.Header,
body: ioutil.NopCloser(bytes.NewReader(respBody)), /* restore the body */
}, err
}
return &storageResponse{
statusCode: resp.StatusCode,
headers: resp.Header,
body: resp.Body}, nil
}
func readResponseBody(resp *http.Response) ([]byte, error) {
defer resp.Body.Close()
out, err := ioutil.ReadAll(resp.Body)
if err == io.EOF {
err = nil
}
return out, err
}
func serviceErrFromXml(body []byte, statusCode int, requestId string) (StorageServiceError, error) {
var storageErr StorageServiceError
if err := xml.Unmarshal(body, &storageErr); err != nil {
return storageErr, err
}
storageErr.StatusCode = statusCode
storageErr.RequestId = requestId
return storageErr, nil
}
func (e StorageServiceError) Error() string {
return fmt.Sprintf("storage: remote server returned error. StatusCode=%d, ErrorCode=%s, ErrorMessage=%s, RequestId=%s", e.StatusCode, e.Code, e.Message, e.RequestId)
}

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package storage
import (
"encoding/base64"
"net/url"
"testing"
)
func TestGetBaseUrl_Basic_Https(t *testing.T) {
cli, err := NewBasicClient("foo", "YmFy")
if err != nil {
t.Fatal(err)
}
if cli.apiVersion != DefaultApiVersion {
t.Fatalf("Wrong api version. Expected: '%s', got: '%s'", DefaultApiVersion, cli.apiVersion)
}
if err != nil {
t.Fatal(err)
}
output := cli.getBaseUrl("table")
if expected := "https://foo.table.core.windows.net"; output != expected {
t.Fatalf("Wrong base url. Expected: '%s', got: '%s'", expected, output)
}
}
func TestGetBaseUrl_Custom_NoHttps(t *testing.T) {
apiVersion := DefaultApiVersion
cli, err := NewClient("foo", "YmFy", "core.chinacloudapi.cn", apiVersion, false)
if err != nil {
t.Fatal(err)
}
if cli.apiVersion != apiVersion {
t.Fatalf("Wrong api version. Expected: '%s', got: '%s'", apiVersion, cli.apiVersion)
}
output := cli.getBaseUrl("table")
if expected := "http://foo.table.core.chinacloudapi.cn"; output != expected {
t.Fatalf("Wrong base url. Expected: '%s', got: '%s'", expected, output)
}
}
func TestGetEndpoint_None(t *testing.T) {
cli, err := NewBasicClient("foo", "YmFy")
if err != nil {
t.Fatal(err)
}
output := cli.getEndpoint(blobServiceName, "", url.Values{})
if expected := "https://foo.blob.core.windows.net/"; output != expected {
t.Fatalf("Wrong endpoint url. Expected: '%s', got: '%s'", expected, output)
}
}
func TestGetEndpoint_PathOnly(t *testing.T) {
cli, err := NewBasicClient("foo", "YmFy")
if err != nil {
t.Fatal(err)
}
output := cli.getEndpoint(blobServiceName, "path", url.Values{})
if expected := "https://foo.blob.core.windows.net/path"; output != expected {
t.Fatalf("Wrong endpoint url. Expected: '%s', got: '%s'", expected, output)
}
}
func TestGetEndpoint_ParamsOnly(t *testing.T) {
cli, err := NewBasicClient("foo", "YmFy")
if err != nil {
t.Fatal(err)
}
params := url.Values{}
params.Set("a", "b")
params.Set("c", "d")
output := cli.getEndpoint(blobServiceName, "", params)
if expected := "https://foo.blob.core.windows.net/?a=b&c=d"; output != expected {
t.Fatalf("Wrong endpoint url. Expected: '%s', got: '%s'", expected, output)
}
}
func TestGetEndpoint_Mixed(t *testing.T) {
cli, err := NewBasicClient("foo", "YmFy")
if err != nil {
t.Fatal(err)
}
params := url.Values{}
params.Set("a", "b")
params.Set("c", "d")
output := cli.getEndpoint(blobServiceName, "path", params)
if expected := "https://foo.blob.core.windows.net/path?a=b&c=d"; output != expected {
t.Fatalf("Wrong endpoint url. Expected: '%s', got: '%s'", expected, output)
}
}
func Test_getStandardHeaders(t *testing.T) {
cli, err := NewBasicClient("foo", "YmFy")
if err != nil {
t.Fatal(err)
}
headers := cli.getStandardHeaders()
if len(headers) != 2 {
t.Fatal("Wrong standard header count")
}
if v, ok := headers["x-ms-version"]; !ok || v != cli.apiVersion {
t.Fatal("Wrong version header")
}
if _, ok := headers["x-ms-date"]; !ok {
t.Fatal("Missing date header")
}
}
func Test_buildCanonicalizedResource(t *testing.T) {
cli, err := NewBasicClient("foo", "YmFy")
if err != nil {
t.Fatal(err)
}
type test struct{ url, expected string }
tests := []test{
{"https://foo.blob.core.windows.net/path?a=b&c=d", "/foo/path\na:b\nc:d"},
{"https://foo.blob.core.windows.net/?comp=list", "/foo/\ncomp:list"},
{"https://foo.blob.core.windows.net/cnt/blob", "/foo/cnt/blob"},
}
for _, i := range tests {
if out, err := cli.buildCanonicalizedResource(i.url); err != nil {
t.Fatal(err)
} else if out != i.expected {
t.Fatalf("Wrong canonicalized resource. Expected:\n'%s', Got:\n'%s'", i.expected, out)
}
}
}
func Test_buildCanonicalizedHeader(t *testing.T) {
cli, err := NewBasicClient("foo", "YmFy")
if err != nil {
t.Fatal(err)
}
type test struct {
headers map[string]string
expected string
}
tests := []test{
{map[string]string{}, ""},
{map[string]string{"x-ms-foo": "bar"}, "x-ms-foo:bar"},
{map[string]string{"foo:": "bar"}, ""},
{map[string]string{"foo:": "bar", "x-ms-foo": "bar"}, "x-ms-foo:bar"},
{map[string]string{
"x-ms-version": "9999-99-99",
"x-ms-blob-type": "BlockBlob"}, "x-ms-blob-type:BlockBlob\nx-ms-version:9999-99-99"}}
for _, i := range tests {
if out := cli.buildCanonicalizedHeader(i.headers); out != i.expected {
t.Fatalf("Wrong canonicalized resource. Expected:\n'%s', Got:\n'%s'", i.expected, out)
}
}
}
func TestReturnsStorageServiceError(t *testing.T) {
cli, err := getBlobClient()
if err != nil {
t.Fatal(err)
}
// attempt to delete a nonexisting container
_, err = cli.deleteContainer(randContainer())
if err == nil {
t.Fatal("Service has not returned an error")
}
if v, ok := err.(StorageServiceError); !ok {
t.Fatal("Cannot assert to specific error")
} else if v.StatusCode != 404 {
t.Fatalf("Expected status:%d, got: %d", 404, v.StatusCode)
} else if v.Code != "ContainerNotFound" {
t.Fatalf("Expected code: %s, got: %s", "ContainerNotFound", v.Code)
} else if v.RequestId == "" {
t.Fatalf("RequestId does not exist")
}
}
func Test_createAuthorizationHeader(t *testing.T) {
key := base64.StdEncoding.EncodeToString([]byte("bar"))
cli, err := NewBasicClient("foo", key)
if err != nil {
t.Fatal(err)
}
canonicalizedString := `foobarzoo`
expected := `SharedKey foo:h5U0ATVX6SpbFX1H6GNuxIMeXXCILLoIvhflPtuQZ30=`
if out := cli.createAuthorizationHeader(canonicalizedString); out != expected {
t.Fatalf("Wrong authorization header. Expected: '%s', Got:'%s'", expected, out)
}
}

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Godeps/_workspace/src/github.com/MSOpenTech/azure-sdk-for-go/clients/storage/util.go generated vendored Normal file
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package storage
import (
"crypto/hmac"
"crypto/sha256"
"encoding/base64"
"encoding/xml"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"time"
)
func (c StorageClient) computeHmac256(message string) string {
h := hmac.New(sha256.New, c.accountKey)
h.Write([]byte(message))
return base64.StdEncoding.EncodeToString(h.Sum(nil))
}
func currentTimeRfc1123Formatted() string {
return timeRfc1123Formatted(time.Now().UTC())
}
func timeRfc1123Formatted(t time.Time) string {
return t.Format(http.TimeFormat)
}
func mergeParams(v1, v2 url.Values) url.Values {
out := url.Values{}
for k, v := range v1 {
out[k] = v
}
for k, v := range v2 {
vals, ok := out[k]
if ok {
vals = append(vals, v...)
out[k] = vals
} else {
out[k] = v
}
}
return out
}
func prepareBlockListRequest(blocks []Block) string {
s := `<?xml version="1.0" encoding="utf-8"?><BlockList>`
for _, v := range blocks {
s += fmt.Sprintf("<%s>%s</%s>", v.Status, v.Id, v.Status)
}
s += `</BlockList>`
return s
}
func xmlUnmarshal(body io.ReadCloser, v interface{}) error {
data, err := ioutil.ReadAll(body)
if err != nil {
return err
}
defer body.Close()
return xml.Unmarshal(data, v)
}

80
Godeps/_workspace/src/github.com/MSOpenTech/azure-sdk-for-go/clients/storage/util_test.go generated vendored Normal file
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package storage
import (
"io/ioutil"
"net/url"
"reflect"
"strings"
"testing"
"time"
)
func Test_timeRfc1123Formatted(t *testing.T) {
now := time.Now().UTC()
expectedLayout := "Mon, 02 Jan 2006 15:04:05 GMT"
expected := now.Format(expectedLayout)
if output := timeRfc1123Formatted(now); output != expected {
t.Errorf("Expected: %s, got: %s", expected, output)
}
}
func Test_mergeParams(t *testing.T) {
v1 := url.Values{
"k1": {"v1"},
"k2": {"v2"}}
v2 := url.Values{
"k1": {"v11"},
"k3": {"v3"}}
out := mergeParams(v1, v2)
if v := out.Get("k1"); v != "v1" {
t.Errorf("Wrong value for k1: %s", v)
}
if v := out.Get("k2"); v != "v2" {
t.Errorf("Wrong value for k2: %s", v)
}
if v := out.Get("k3"); v != "v3" {
t.Errorf("Wrong value for k3: %s", v)
}
if v := out["k1"]; !reflect.DeepEqual(v, []string{"v1", "v11"}) {
t.Errorf("Wrong multi-value for k1: %s", v)
}
}
func Test_prepareBlockListRequest(t *testing.T) {
empty := []Block{}
expected := `<?xml version="1.0" encoding="utf-8"?><BlockList></BlockList>`
if out := prepareBlockListRequest(empty); expected != out {
t.Errorf("Wrong block list. Expected: '%s', got: '%s'", expected, out)
}
blocks := []Block{{"foo", BlockStatusLatest}, {"bar", BlockStatusUncommitted}}
expected = `<?xml version="1.0" encoding="utf-8"?><BlockList><Latest>foo</Latest><Uncommitted>bar</Uncommitted></BlockList>`
if out := prepareBlockListRequest(blocks); expected != out {
t.Errorf("Wrong block list. Expected: '%s', got: '%s'", expected, out)
}
}
func Test_xmlUnmarshal(t *testing.T) {
xml := `<?xml version="1.0" encoding="utf-8"?>
<Blob>
<Name>myblob</Name>
</Blob>`
body := ioutil.NopCloser(strings.NewReader(xml))
var blob Blob
err := xmlUnmarshal(body, &blob)
if err != nil {
t.Fatal(err)
}
if blob.Name != "myblob" {
t.Fatal("Got wrong value")
}
}