Chris Lu
6 years ago
8 changed files with 369 additions and 46 deletions
-
17weed/command/filer_replication.go
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14weed/command/scaffold.go
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25weed/replication/replicator.go
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33weed/replication/sink/filersink/filer_sink.go
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12weed/replication/sink/replication_sink.go
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123weed/replication/sink/s3sink/s3_sink.go
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165weed/replication/sink/s3sink/s3_write.go
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22weed/replication/source/filer_source.go
@ -0,0 +1,123 @@ |
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package S3Sink |
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import ( |
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"fmt" |
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|
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
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"github.com/chrislusf/seaweedfs/weed/replication/source" |
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"github.com/chrislusf/seaweedfs/weed/util" |
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"github.com/aws/aws-sdk-go/service/s3/s3iface" |
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"github.com/aws/aws-sdk-go/service/s3" |
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"github.com/aws/aws-sdk-go/aws/session" |
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"sync" |
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"github.com/chrislusf/seaweedfs/weed/filer2" |
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"github.com/chrislusf/seaweedfs/weed/replication/sink" |
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"github.com/aws/aws-sdk-go/aws" |
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"github.com/aws/aws-sdk-go/aws/credentials" |
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) |
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type S3Sink struct { |
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err error |
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conn s3iface.S3API |
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region string |
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bucket string |
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dir string |
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filerSource *source.FilerSource |
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} |
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func init() { |
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sink.Sinks = append(sink.Sinks, &S3Sink{}) |
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} |
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func (s3sink *S3Sink) GetName() string { |
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return "filer" |
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} |
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func (s3sink *S3Sink) GetSinkToDirectory() string { |
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return s3sink.dir |
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} |
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func (s3sink *S3Sink) Initialize(configuration util.Configuration) error { |
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return s3sink.initialize( |
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configuration.GetString("aws_access_key_id"), |
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configuration.GetString("aws_secret_access_key"), |
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configuration.GetString("region"), |
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configuration.GetString("bucket"), |
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configuration.GetString("directory"), |
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) |
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} |
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func (s3sink *S3Sink) SetSourceFiler(s *source.FilerSource) { |
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s3sink.filerSource = s |
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} |
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func (s3sink *S3Sink) initialize(awsAccessKeyId, aswSecretAccessKey, region, bucket, dir string) (error) { |
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s3sink.region = region |
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s3sink.bucket = bucket |
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s3sink.dir = dir |
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config := &aws.Config{ |
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Region: aws.String(s3sink.region), |
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} |
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if awsAccessKeyId != "" && aswSecretAccessKey != "" { |
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config.Credentials = credentials.NewStaticCredentials(awsAccessKeyId, aswSecretAccessKey, "") |
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} |
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sess, err := session.NewSession(config) |
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if err != nil { |
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return fmt.Errorf("create aws session: %v", err) |
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} |
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s3sink.conn = s3.New(sess) |
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return nil |
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} |
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func (s3sink *S3Sink) DeleteEntry(key string, isDirectory, deleteIncludeChunks bool) error { |
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if isDirectory { |
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key = key + "/" |
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} |
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return s3sink.deleteObject(key) |
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} |
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func (s3sink *S3Sink) CreateEntry(key string, entry *filer_pb.Entry) error { |
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uploadId, err := s3sink.createMultipartUpload(key, entry) |
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if err != nil { |
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return err |
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} |
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totalSize := filer2.TotalSize(entry.Chunks) |
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chunkViews := filer2.ViewFromChunks(entry.Chunks, 0, int(totalSize)) |
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var parts []*s3.CompletedPart |
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var wg sync.WaitGroup |
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for chunkIndex, chunk := range chunkViews { |
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partId := chunkIndex + 1 |
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wg.Add(1) |
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go func(chunk *filer2.ChunkView) { |
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defer wg.Done() |
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if part, uploadErr := s3sink.uploadPart(key, uploadId, partId, chunk); uploadErr != nil { |
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err = uploadErr |
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} else { |
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parts = append(parts, part) |
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} |
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}(chunk) |
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} |
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wg.Wait() |
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if err != nil { |
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s3sink.abortMultipartUpload(key, uploadId) |
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return err |
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} |
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return s3sink.completeMultipartUpload(key, uploadId, parts) |
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} |
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func (s3sink *S3Sink) UpdateEntry(key string, oldEntry, newEntry *filer_pb.Entry, deleteIncludeChunks bool) (foundExistingEntry bool, err error) { |
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// TODO improve efficiency
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return false, nil |
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} |
@ -0,0 +1,165 @@ |
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package S3Sink |
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import ( |
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"github.com/aws/aws-sdk-go/service/s3" |
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"github.com/aws/aws-sdk-go/aws" |
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"github.com/chrislusf/seaweedfs/weed/glog" |
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"github.com/aws/aws-sdk-go/aws/awserr" |
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"fmt" |
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"io" |
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb" |
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"github.com/chrislusf/seaweedfs/weed/filer2" |
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"github.com/chrislusf/seaweedfs/weed/util" |
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"bytes" |
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) |
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func (s3sink *S3Sink) deleteObject(key string) error { |
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input := &s3.DeleteObjectInput{ |
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Bucket: aws.String(s3sink.bucket), |
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Key: aws.String(key), |
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} |
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result, err := s3sink.conn.DeleteObject(input) |
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if err == nil { |
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glog.V(0).Infof("[%s] delete %s: %v", s3sink.bucket, key, result) |
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} else { |
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glog.Errorf("[%s] delete %s: %v", s3sink.bucket, key, err) |
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} |
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return err |
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} |
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func (s3sink *S3Sink) createMultipartUpload(key string, entry *filer_pb.Entry) (uploadId string, err error) { |
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input := &s3.CreateMultipartUploadInput{ |
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Bucket: aws.String(s3sink.bucket), |
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Key: aws.String(key), |
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ContentType: aws.String(entry.Attributes.Mime), |
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} |
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result, err := s3sink.conn.CreateMultipartUpload(input) |
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if err == nil { |
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glog.V(0).Infof("[%s] createMultipartUpload %s: %v", s3sink.bucket, key, result) |
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} else { |
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glog.Errorf("[%s] createMultipartUpload %s: %v", s3sink.bucket, key, err) |
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return "", err |
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} |
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return *result.UploadId, err |
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} |
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func (s3sink *S3Sink) abortMultipartUpload(key, uploadId string) error { |
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input := &s3.AbortMultipartUploadInput{ |
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Bucket: aws.String(s3sink.bucket), |
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Key: aws.String(key), |
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UploadId: aws.String(uploadId), |
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} |
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result, err := s3sink.conn.AbortMultipartUpload(input) |
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if err != nil { |
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if aerr, ok := err.(awserr.Error); ok { |
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switch aerr.Code() { |
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case s3.ErrCodeNoSuchUpload: |
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glog.Errorf("[%s] abortMultipartUpload %s: %v %v", s3sink.bucket, key, s3.ErrCodeNoSuchUpload, aerr.Error()) |
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default: |
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glog.Errorf("[%s] abortMultipartUpload %s: %v", s3sink.bucket, key, aerr.Error()) |
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} |
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} else { |
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// Print the error, cast err to awserr.Error to get the Code and
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// Message from an error.
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glog.Errorf("[%s] abortMultipartUpload %s: %v", s3sink.bucket, key, aerr.Error()) |
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} |
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return err |
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} |
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glog.V(0).Infof("[%s] abortMultipartUpload %s: %v", s3sink.bucket, key, result) |
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return nil |
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} |
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// To complete multipart upload
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func (s3sink *S3Sink) completeMultipartUpload(key, uploadId string, parts []*s3.CompletedPart) error { |
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input := &s3.CompleteMultipartUploadInput{ |
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Bucket: aws.String(s3sink.bucket), |
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Key: aws.String(key), |
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UploadId: aws.String(uploadId), |
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MultipartUpload: &s3.CompletedMultipartUpload{ |
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Parts: parts, |
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}, |
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} |
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result, err := s3sink.conn.CompleteMultipartUpload(input) |
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if err == nil { |
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glog.V(0).Infof("[%s] completeMultipartUpload %s: %v", s3sink.bucket, key, result) |
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} else { |
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glog.Errorf("[%s] completeMultipartUpload %s: %v", s3sink.bucket, key, err) |
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} |
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return err |
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} |
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// To upload a part
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func (s3sink *S3Sink) uploadPart(key, uploadId string, partId int, chunk *filer2.ChunkView) (*s3.CompletedPart, error) { |
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var readSeeker io.ReadSeeker |
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readSeeker, err := s3sink.buildReadSeeker(chunk) |
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if err != nil { |
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glog.Errorf("[%s] uploadPart %s %d read: %v", s3sink.bucket, key, partId, err) |
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return nil, fmt.Errorf("[%s] uploadPart %s %d read: %v", s3sink.bucket, key, partId, err) |
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} |
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input := &s3.UploadPartInput{ |
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Body: readSeeker, |
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Bucket: aws.String(s3sink.bucket), |
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Key: aws.String(key), |
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PartNumber: aws.Int64(int64(partId)), |
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UploadId: aws.String(uploadId), |
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} |
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result, err := s3sink.conn.UploadPart(input) |
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if err == nil { |
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glog.V(0).Infof("[%s] uploadPart %s %d upload: %v", s3sink.bucket, key, partId, result) |
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} else { |
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glog.Errorf("[%s] uploadPart %s %d upload: %v", s3sink.bucket, key, partId, err) |
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} |
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part := &s3.CompletedPart{ |
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ETag: result.ETag, |
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PartNumber: aws.Int64(int64(partId)), |
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} |
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return part, err |
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} |
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// To upload a part by copying byte range from an existing object as data source
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func (s3sink *S3Sink) uploadPartCopy(key, uploadId string, partId int64, copySource string, sourceStart, sourceStop int) error { |
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input := &s3.UploadPartCopyInput{ |
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Bucket: aws.String(s3sink.bucket), |
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CopySource: aws.String(fmt.Sprintf("/%s/%s", s3sink.bucket, copySource)), |
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CopySourceRange: aws.String(fmt.Sprintf("bytes=%d-%d", sourceStart, sourceStop)), |
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Key: aws.String(key), |
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PartNumber: aws.Int64(partId), |
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UploadId: aws.String(uploadId), |
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} |
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result, err := s3sink.conn.UploadPartCopy(input) |
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if err == nil { |
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glog.V(0).Infof("[%s] uploadPartCopy %s %d: %v", s3sink.bucket, key, partId, result) |
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} else { |
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glog.Errorf("[%s] uploadPartCopy %s %d: %v", s3sink.bucket, key, partId, err) |
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} |
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return err |
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} |
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func (s3sink *S3Sink) buildReadSeeker(chunk *filer2.ChunkView) (io.ReadSeeker, error) { |
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fileUrl, err := s3sink.filerSource.LookupFileId(chunk.FileId) |
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if err != nil { |
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return nil, err |
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} |
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buf := make([]byte, chunk.Size) |
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util.ReadUrl(fileUrl, chunk.Offset, int(chunk.Size), buf) |
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return bytes.NewReader(buf), nil |
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} |
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