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Code Issues Releases Wiki Activity

Add debug, do not create bucket if it already exists

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This commit is contained in:
Alexander Neumann 2016-01-03 21:46:07 +01:00
parent 69e6e9e5c7
commit 314182e7e0
1 changed files with 14 additions and 12 deletions
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26
backend/s3/s3.go
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@ -5,6 +5,7 @@ import (
"errors"
"fmt"
"io"
"os"
"strings"
"github.com/minio/minio-go"
@ -43,21 +44,17 @@ func Open(cfg Config) (backend.Backend, error) {
be := &S3Backend{client: client, bucketname: cfg.Bucket}
be.createConnections()
// create new bucket with default ACL in default region
err = client.MakeBucket(cfg.Bucket, "", "")
if err := client.BucketExists(cfg.Bucket); err != nil {
debug.Log("s3.Open", "BucketExists(%v) returned err %v, trying to create the bucket", err)
if err != nil {
e, ok := err.(minio.ErrorResponse)
if ok && e.Code == "BucketAlreadyExists" {
debug.Log("s3.Open", "ignoring error that bucket %q already exists", cfg.Bucket)
err = nil
// create new bucket with default ACL in default region
err = client.MakeBucket(cfg.Bucket, "", "")
if err != nil {
return nil, err
}
}
if err != nil {
return nil, err
}
return be, nil
}
@ -103,6 +100,7 @@ func (bb *s3Blob) Size() uint {
}
func (bb *s3Blob) Finalize(t backend.Type, name string) error {
debug.Log("s3.blob.Finalize()", "bucket %v, finalize %v, %d bytes", bb.b.bucketname, name, bb.buf.Len())
if bb.final {
return errors.New("Already finalized")
}
@ -114,16 +112,19 @@ func (bb *s3Blob) Finalize(t backend.Type, name string) error {
// Check key does not already exist
_, err := bb.b.client.StatObject(bb.b.bucketname, path)
if err == nil {
debug.Log("s3.blob.Finalize()", "%v already exists", name)
return errors.New("key already exists")
}
expectedBytes := bb.buf.Len()
<-bb.b.connChan
debug.Log("s3.Finalize", "PutObject(%v, %v, %v, %v)",
bb.b.bucketname, path, int64(bb.buf.Len()), "binary/octet-stream")
n, err := bb.b.client.PutObject(bb.b.bucketname, path, bb.buf, int64(bb.buf.Len()), "binary/octet-stream")
debug.Log("s3.Finalize", "finalized %v -> n %v, err %#v", path, n, err)
bb.b.connChan <- struct{}{}
debug.Log("s3.Finalize", "finalized %v -> n %v, err %v", path, n, err)
if err != nil {
return err
}
@ -216,6 +217,7 @@ func (be *S3Backend) Remove(t backend.Type, name string) error {
// goroutine is started for this. If the channel done is closed, sending
// stops.
func (be *S3Backend) List(t backend.Type, done <-chan struct{}) <-chan string {
debug.Log("s3.List", "listing %v", t)
ch := make(chan string)
prefix := s3path(t, "")