Browse Source

cloud drive: add support for Azure

pull/2280/head
Chris Lu 3 years ago
parent
commit
e9ebe24f2e
  1. 2
      other/java/client/src/main/proto/filer.proto
  2. 1
      weed/command/imports.go
  3. 2
      weed/pb/filer.proto
  4. 302
      weed/pb/filer_pb/filer.pb.go
  5. 120
      weed/remote_storage/azure/azure_highlevel.go
  6. 207
      weed/remote_storage/azure/azure_storage_client.go
  7. 8
      weed/shell/command_remote_configure.go

2
other/java/client/src/main/proto/filer.proto

@ -396,6 +396,8 @@ message RemoteConf {
string s3_storage_class = 8; string s3_storage_class = 8;
bool s3_force_path_style = 9; bool s3_force_path_style = 9;
string gcs_google_application_credentials = 10; string gcs_google_application_credentials = 10;
string azure_account_name = 15;
string azure_account_key = 16;
} }
message RemoteStorageMapping { message RemoteStorageMapping {

1
weed/command/imports.go

@ -5,6 +5,7 @@ import (
_ "github.com/chrislusf/seaweedfs/weed/remote_storage/s3" _ "github.com/chrislusf/seaweedfs/weed/remote_storage/s3"
_ "github.com/chrislusf/seaweedfs/weed/remote_storage/gcs" _ "github.com/chrislusf/seaweedfs/weed/remote_storage/gcs"
_ "github.com/chrislusf/seaweedfs/weed/remote_storage/azure"
_ "github.com/chrislusf/seaweedfs/weed/replication/sink/azuresink" _ "github.com/chrislusf/seaweedfs/weed/replication/sink/azuresink"
_ "github.com/chrislusf/seaweedfs/weed/replication/sink/b2sink" _ "github.com/chrislusf/seaweedfs/weed/replication/sink/b2sink"

2
weed/pb/filer.proto

@ -396,6 +396,8 @@ message RemoteConf {
string s3_storage_class = 8; string s3_storage_class = 8;
bool s3_force_path_style = 9; bool s3_force_path_style = 9;
string gcs_google_application_credentials = 10; string gcs_google_application_credentials = 10;
string azure_account_name = 15;
string azure_account_key = 16;
} }
message RemoteStorageMapping { message RemoteStorageMapping {

302
weed/pb/filer_pb/filer.pb.go

@ -3190,6 +3190,8 @@ type RemoteConf struct {
S3StorageClass string `protobuf:"bytes,8,opt,name=s3_storage_class,json=s3StorageClass,proto3" json:"s3_storage_class,omitempty"` S3StorageClass string `protobuf:"bytes,8,opt,name=s3_storage_class,json=s3StorageClass,proto3" json:"s3_storage_class,omitempty"`
S3ForcePathStyle bool `protobuf:"varint,9,opt,name=s3_force_path_style,json=s3ForcePathStyle,proto3" json:"s3_force_path_style,omitempty"` S3ForcePathStyle bool `protobuf:"varint,9,opt,name=s3_force_path_style,json=s3ForcePathStyle,proto3" json:"s3_force_path_style,omitempty"`
GcsGoogleApplicationCredentials string `protobuf:"bytes,10,opt,name=gcs_google_application_credentials,json=gcsGoogleApplicationCredentials,proto3" json:"gcs_google_application_credentials,omitempty"` GcsGoogleApplicationCredentials string `protobuf:"bytes,10,opt,name=gcs_google_application_credentials,json=gcsGoogleApplicationCredentials,proto3" json:"gcs_google_application_credentials,omitempty"`
AzureAccountName string `protobuf:"bytes,15,opt,name=azure_account_name,json=azureAccountName,proto3" json:"azure_account_name,omitempty"`
AzureAccountKey string `protobuf:"bytes,16,opt,name=azure_account_key,json=azureAccountKey,proto3" json:"azure_account_key,omitempty"`
} }
func (x *RemoteConf) Reset() { func (x *RemoteConf) Reset() {
@ -3287,6 +3289,20 @@ func (x *RemoteConf) GetGcsGoogleApplicationCredentials() string {
return "" return ""
} }
func (x *RemoteConf) GetAzureAccountName() string {
if x != nil {
return x.AzureAccountName
}
return ""
}
func (x *RemoteConf) GetAzureAccountKey() string {
if x != nil {
return x.AzureAccountKey
}
return ""
}
type RemoteStorageMapping struct { type RemoteStorageMapping struct {
state protoimpl.MessageState state protoimpl.MessageState
sizeCache protoimpl.SizeCache sizeCache protoimpl.SizeCache
@ -4078,7 +4094,7 @@ var file_filer_proto_rawDesc = []byte{
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} }
var ( var (

120
weed/remote_storage/azure/azure_highlevel.go

@ -0,0 +1,120 @@
package azure
import (
"context"
"crypto/rand"
"encoding/base64"
"errors"
"fmt"
"github.com/Azure/azure-pipeline-go/pipeline"
. "github.com/Azure/azure-storage-blob-go/azblob"
"io"
"sync"
)
// copied from https://github.com/Azure/azure-storage-blob-go/blob/master/azblob/highlevel.go#L73:6
// uploadReaderAtToBlockBlob was not public
// uploadReaderAtToBlockBlob uploads a buffer in blocks to a block blob.
func uploadReaderAtToBlockBlob(ctx context.Context, reader io.ReaderAt, readerSize int64,
blockBlobURL BlockBlobURL, o UploadToBlockBlobOptions) (CommonResponse, error) {
if o.BlockSize == 0 {
// If bufferSize > (BlockBlobMaxStageBlockBytes * BlockBlobMaxBlocks), then error
if readerSize > BlockBlobMaxStageBlockBytes*BlockBlobMaxBlocks {
return nil, errors.New("buffer is too large to upload to a block blob")
}
// If bufferSize <= BlockBlobMaxUploadBlobBytes, then Upload should be used with just 1 I/O request
if readerSize <= BlockBlobMaxUploadBlobBytes {
o.BlockSize = BlockBlobMaxUploadBlobBytes // Default if unspecified
} else {
o.BlockSize = readerSize / BlockBlobMaxBlocks // buffer / max blocks = block size to use all 50,000 blocks
if o.BlockSize < BlobDefaultDownloadBlockSize { // If the block size is smaller than 4MB, round up to 4MB
o.BlockSize = BlobDefaultDownloadBlockSize
}
// StageBlock will be called with blockSize blocks and a Parallelism of (BufferSize / BlockSize).
}
}
if readerSize <= BlockBlobMaxUploadBlobBytes {
// If the size can fit in 1 Upload call, do it this way
var body io.ReadSeeker = io.NewSectionReader(reader, 0, readerSize)
if o.Progress != nil {
body = pipeline.NewRequestBodyProgress(body, o.Progress)
}
return blockBlobURL.Upload(ctx, body, o.BlobHTTPHeaders, o.Metadata, o.AccessConditions, o.BlobAccessTier, o.BlobTagsMap, o.ClientProvidedKeyOptions)
}
var numBlocks = uint16(((readerSize - 1) / o.BlockSize) + 1)
blockIDList := make([]string, numBlocks) // Base-64 encoded block IDs
progress := int64(0)
progressLock := &sync.Mutex{}
err := DoBatchTransfer(ctx, BatchTransferOptions{
OperationName: "uploadReaderAtToBlockBlob",
TransferSize: readerSize,
ChunkSize: o.BlockSize,
Parallelism: o.Parallelism,
Operation: func(offset int64, count int64, ctx context.Context) error {
// This function is called once per block.
// It is passed this block's offset within the buffer and its count of bytes
// Prepare to read the proper block/section of the buffer
var body io.ReadSeeker = io.NewSectionReader(reader, offset, count)
blockNum := offset / o.BlockSize
if o.Progress != nil {
blockProgress := int64(0)
body = pipeline.NewRequestBodyProgress(body,
func(bytesTransferred int64) {
diff := bytesTransferred - blockProgress
blockProgress = bytesTransferred
progressLock.Lock() // 1 goroutine at a time gets a progress report
progress += diff
o.Progress(progress)
progressLock.Unlock()
})
}
// Block IDs are unique values to avoid issue if 2+ clients are uploading blocks
// at the same time causing PutBlockList to get a mix of blocks from all the clients.
blockIDList[blockNum] = base64.StdEncoding.EncodeToString(newUUID().bytes())
_, err := blockBlobURL.StageBlock(ctx, blockIDList[blockNum], body, o.AccessConditions.LeaseAccessConditions, nil, o.ClientProvidedKeyOptions)
return err
},
})
if err != nil {
return nil, err
}
// All put blocks were successful, call Put Block List to finalize the blob
return blockBlobURL.CommitBlockList(ctx, blockIDList, o.BlobHTTPHeaders, o.Metadata, o.AccessConditions, o.BlobAccessTier, o.BlobTagsMap, o.ClientProvidedKeyOptions)
}
// The UUID reserved variants.
const (
reservedNCS byte = 0x80
reservedRFC4122 byte = 0x40
reservedMicrosoft byte = 0x20
reservedFuture byte = 0x00
)
type uuid [16]byte
// NewUUID returns a new uuid using RFC 4122 algorithm.
func newUUID() (u uuid) {
u = uuid{}
// Set all bits to randomly (or pseudo-randomly) chosen values.
rand.Read(u[:])
u[8] = (u[8] | reservedRFC4122) & 0x7F // u.setVariant(ReservedRFC4122)
var version byte = 4
u[6] = (u[6] & 0xF) | (version << 4) // u.setVersion(4)
return
}
// String returns an unparsed version of the generated UUID sequence.
func (u uuid) String() string {
return fmt.Sprintf("%x-%x-%x-%x-%x", u[0:4], u[4:6], u[6:8], u[8:10], u[10:])
}
func (u uuid) bytes() []byte {
return u[:]
}

207
weed/remote_storage/azure/azure_storage_client.go

@ -0,0 +1,207 @@
package azure
import (
"context"
"fmt"
"github.com/Azure/azure-storage-blob-go/azblob"
"github.com/chrislusf/seaweedfs/weed/filer"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/remote_storage"
"github.com/chrislusf/seaweedfs/weed/util"
"io"
"io/ioutil"
"net/url"
"os"
"reflect"
)
func init() {
remote_storage.RemoteStorageClientMakers["azure"] = new(azureRemoteStorageMaker)
}
type azureRemoteStorageMaker struct{}
func (s azureRemoteStorageMaker) Make(conf *filer_pb.RemoteConf) (remote_storage.RemoteStorageClient, error) {
client := &azureRemoteStorageClient{
conf: conf,
}
accountName, accountKey := conf.AzureAccountName, conf.AzureAccountKey
if len(accountName) == 0 || len(accountKey) == 0 {
accountName, accountKey = os.Getenv("AZURE_STORAGE_ACCOUNT"), os.Getenv("AZURE_STORAGE_ACCESS_KEY")
if len(accountName) == 0 || len(accountKey) == 0 {
return nil, fmt.Errorf("either AZURE_STORAGE_ACCOUNT or AZURE_STORAGE_ACCESS_KEY environment variable is not set")
}
}
// Use your Storage account's name and key to create a credential object.
credential, err := azblob.NewSharedKeyCredential(accountName, accountKey)
if err != nil {
return nil, fmt.Errorf("invalid Azure credential with account name:%s: %v", accountName, err)
}
// Create a request pipeline that is used to process HTTP(S) requests and responses.
p := azblob.NewPipeline(credential, azblob.PipelineOptions{})
// Create an ServiceURL object that wraps the service URL and a request pipeline.
u, _ := url.Parse(fmt.Sprintf("https://%s.blob.core.windows.net", accountName))
client.serviceURL = azblob.NewServiceURL(*u, p)
return client, nil
}
type azureRemoteStorageClient struct {
conf *filer_pb.RemoteConf
serviceURL azblob.ServiceURL
}
var _ = remote_storage.RemoteStorageClient(&azureRemoteStorageClient{})
func (az *azureRemoteStorageClient) Traverse(loc *filer_pb.RemoteStorageLocation, visitFn remote_storage.VisitFunc) (err error) {
pathKey := loc.Path[1:]
containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
// List the container that we have created above
for marker := (azblob.Marker{}); marker.NotDone(); {
// Get a result segment starting with the blob indicated by the current Marker.
listBlob, err := containerURL.ListBlobsFlatSegment(context.Background(), marker, azblob.ListBlobsSegmentOptions{
Prefix: pathKey,
})
if err != nil {
return fmt.Errorf("azure traverse %s%s: %v", loc.Bucket, loc.Path, err)
}
// ListBlobs returns the start of the next segment; you MUST use this to get
// the next segment (after processing the current result segment).
marker = listBlob.NextMarker
// Process the blobs returned in this result segment (if the segment is empty, the loop body won't execute)
for _, blobInfo := range listBlob.Segment.BlobItems {
key := blobInfo.Name
key = "/" + key
dir, name := util.FullPath(key).DirAndName()
err = visitFn(dir, name, false, &filer_pb.RemoteEntry{
RemoteMtime: blobInfo.Properties.LastModified.Unix(),
RemoteSize: *blobInfo.Properties.ContentLength,
RemoteETag: string(blobInfo.Properties.Etag),
StorageName: az.conf.Name,
})
if err != nil {
return fmt.Errorf("azure processing %s%s: %v", loc.Bucket, loc.Path, err)
}
}
}
return
}
func (az *azureRemoteStorageClient) ReadFile(loc *filer_pb.RemoteStorageLocation, offset int64, size int64) (data []byte, err error) {
key := loc.Path[1:]
containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
blobURL := containerURL.NewBlockBlobURL(key)
downloadResponse, readErr := blobURL.Download(context.Background(), offset, size, azblob.BlobAccessConditions{}, false, azblob.ClientProvidedKeyOptions{})
if readErr != nil {
return nil, readErr
}
// NOTE: automatically retries are performed if the connection fails
bodyStream := downloadResponse.Body(azblob.RetryReaderOptions{MaxRetryRequests: 20})
defer bodyStream.Close()
data, err = ioutil.ReadAll(bodyStream)
if err != nil {
return nil, fmt.Errorf("failed to download file %s%s: %v", loc.Bucket, loc.Path, err)
}
return
}
func (az *azureRemoteStorageClient) WriteDirectory(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry) (err error) {
return nil
}
func (az *azureRemoteStorageClient) WriteFile(loc *filer_pb.RemoteStorageLocation, entry *filer_pb.Entry, reader io.Reader) (remoteEntry *filer_pb.RemoteEntry, err error) {
key := loc.Path[1:]
containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
blobURL := containerURL.NewBlockBlobURL(key)
readerAt, ok := reader.(io.ReaderAt)
if !ok {
return nil, fmt.Errorf("unexpected reader: readerAt expected")
}
fileSize := int64(filer.FileSize(entry))
_, err = uploadReaderAtToBlockBlob(context.Background(), readerAt, fileSize, blobURL, azblob.UploadToBlockBlobOptions{
BlockSize: 4 * 1024 * 1024,
Parallelism: 16})
if err != nil {
return nil, fmt.Errorf("azure upload to %s%s: %v", loc.Bucket, loc.Path, err)
}
metadata := toMetadata(entry.Extended)
if len(metadata) > 0 {
_, err = blobURL.SetMetadata(context.Background(), metadata, azblob.BlobAccessConditions{}, azblob.ClientProvidedKeyOptions{})
if err != nil {
return nil, fmt.Errorf("azure set metadata on %s%s: %v", loc.Bucket, loc.Path, err)
}
}
// read back the remote entry
return az.readFileRemoteEntry(loc)
}
func (az *azureRemoteStorageClient) readFileRemoteEntry(loc *filer_pb.RemoteStorageLocation) (*filer_pb.RemoteEntry, error) {
key := loc.Path[1:]
containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
blobURL := containerURL.NewBlockBlobURL(key)
attr, err := blobURL.GetProperties(context.Background(), azblob.BlobAccessConditions{}, azblob.ClientProvidedKeyOptions{})
if err != nil {
return nil, err
}
return &filer_pb.RemoteEntry{
RemoteMtime: attr.LastModified().Unix(),
RemoteSize: attr.ContentLength(),
RemoteETag: string(attr.ETag()),
StorageName: az.conf.Name,
}, nil
}
func toMetadata(attributes map[string][]byte) map[string]string {
metadata := make(map[string]string)
for k, v := range attributes {
metadata[k] = string(v)
}
return metadata
}
func (az *azureRemoteStorageClient) UpdateFileMetadata(loc *filer_pb.RemoteStorageLocation, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) (err error) {
if reflect.DeepEqual(oldEntry.Extended, newEntry.Extended) {
return nil
}
metadata := toMetadata(newEntry.Extended)
key := loc.Path[1:]
containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
_, err = containerURL.NewBlobURL(key).SetMetadata(context.Background(), metadata, azblob.BlobAccessConditions{}, azblob.ClientProvidedKeyOptions{})
return
}
func (az *azureRemoteStorageClient) DeleteFile(loc *filer_pb.RemoteStorageLocation) (err error) {
key := loc.Path[1:]
containerURL := az.serviceURL.NewContainerURL(loc.Bucket)
if _, err = containerURL.NewBlobURL(key).Delete(context.Background(),
azblob.DeleteSnapshotsOptionInclude, azblob.BlobAccessConditions{}); err != nil {
return fmt.Errorf("azure delete %s%s: %v", loc.Bucket, loc.Path, err)
}
return
}

8
weed/shell/command_remote_configure.go

@ -34,6 +34,7 @@ func (c *commandRemoteConfigure) Help() string {
# set or update a configuration # set or update a configuration
remote.configure -name=cloud1 -type=s3 -s3.access_key=xxx -s3.secret_key=yyy remote.configure -name=cloud1 -type=s3 -s3.access_key=xxx -s3.secret_key=yyy
remote.configure -name=cloud2 -type=gcs -gcs.appCredentialsFile=~/service-account-file.json remote.configure -name=cloud2 -type=gcs -gcs.appCredentialsFile=~/service-account-file.json
remote.configure -name=cloud3 -type=azure -azure.account_name=xxx -azure.account_key=yyy
# delete one configuration # delete one configuration
remote.configure -delete -name=cloud1 remote.configure -delete -name=cloud1
@ -53,7 +54,7 @@ func (c *commandRemoteConfigure) Do(args []string, commandEnv *CommandEnv, write
isDelete := remoteConfigureCommand.Bool("delete", false, "delete one remote storage by its name") isDelete := remoteConfigureCommand.Bool("delete", false, "delete one remote storage by its name")
remoteConfigureCommand.StringVar(&conf.Name, "name", "", "a short name to identify the remote storage") remoteConfigureCommand.StringVar(&conf.Name, "name", "", "a short name to identify the remote storage")
remoteConfigureCommand.StringVar(&conf.Type, "type", "s3", "[s3|gcs] storage type")
remoteConfigureCommand.StringVar(&conf.Type, "type", "s3", "[s3|gcs|azure] storage type")
remoteConfigureCommand.StringVar(&conf.S3AccessKey, "s3.access_key", "", "s3 access key") remoteConfigureCommand.StringVar(&conf.S3AccessKey, "s3.access_key", "", "s3 access key")
remoteConfigureCommand.StringVar(&conf.S3SecretKey, "s3.secret_key", "", "s3 secret key") remoteConfigureCommand.StringVar(&conf.S3SecretKey, "s3.secret_key", "", "s3 secret key")
@ -62,7 +63,10 @@ func (c *commandRemoteConfigure) Do(args []string, commandEnv *CommandEnv, write
remoteConfigureCommand.StringVar(&conf.S3StorageClass, "s3.storage_class", "", "s3 storage class") remoteConfigureCommand.StringVar(&conf.S3StorageClass, "s3.storage_class", "", "s3 storage class")
remoteConfigureCommand.BoolVar(&conf.S3ForcePathStyle, "s3.force_path_style", true, "s3 force path style") remoteConfigureCommand.BoolVar(&conf.S3ForcePathStyle, "s3.force_path_style", true, "s3 force path style")
remoteConfigureCommand.StringVar(&conf.GcsGoogleApplicationCredentials, "gcs.appCredentialsFile", "", "google cloud storage credentials file, or leave it empty to use env GOOGLE_APPLICATION_CREDENTIALS")
remoteConfigureCommand.StringVar(&conf.GcsGoogleApplicationCredentials, "gcs.appCredentialsFile", "", "google cloud storage credentials file, default to use env GOOGLE_APPLICATION_CREDENTIALS")
remoteConfigureCommand.StringVar(&conf.AzureAccountName, "azure.account_name", "", "azure account name, default to use env AZURE_STORAGE_ACCOUNT")
remoteConfigureCommand.StringVar(&conf.AzureAccountKey, "azure.account_key", "", "azure account name, default to use env AZURE_STORAGE_ACCESS_KEY")
if err = remoteConfigureCommand.Parse(args); err != nil { if err = remoteConfigureCommand.Parse(args); err != nil {
return nil return nil

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