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Add support for syncing replica modifications (#11104)

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when bidirectional replication is set up.

If ReplicaModifications is enabled in the replication
configuration, sync metadata updates to source if
replication rules are met. By default, if this
configuration is unset, MinIO automatically sync's
metadata updates on replica back to the source.
This commit is contained in:
Poorna Krishnamoorthy
2021-05-13 19:20:45 -07:00
committed by GitHub
parent 397391c89f
commit 951acf561c
8 changed files with 230 additions and 31 deletions
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15
cmd/bucket-replication.go
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@@ -95,28 +95,28 @@ func mustReplicateWeb(ctx context.Context, r *http.Request, bucket, object strin
if permErr != ErrNone {
return
}
return mustReplicater(ctx, bucket, object, meta, replStatus)
return mustReplicater(ctx, bucket, object, meta, replStatus, false)
}
// mustReplicate returns 2 booleans - true if object meets replication criteria and true if replication is to be done in
// a synchronous manner.
func mustReplicate(ctx context.Context, r *http.Request, bucket, object string, meta map[string]string, replStatus string) (replicate bool, sync bool) {
func mustReplicate(ctx context.Context, r *http.Request, bucket, object string, meta map[string]string, replStatus string, metadataOnly bool) (replicate bool, sync bool) {
if s3Err := isPutActionAllowed(ctx, getRequestAuthType(r), bucket, "", r, iampolicy.GetReplicationConfigurationAction); s3Err != ErrNone {
return
}
return mustReplicater(ctx, bucket, object, meta, replStatus)
return mustReplicater(ctx, bucket, object, meta, replStatus, metadataOnly)
}
// mustReplicater returns 2 booleans - true if object meets replication criteria and true if replication is to be done in
// a synchronous manner.
func mustReplicater(ctx context.Context, bucket, object string, meta map[string]string, replStatus string) (replicate bool, sync bool) {
func mustReplicater(ctx context.Context, bucket, object string, meta map[string]string, replStatus string, metadataOnly bool) (replicate bool, sync bool) {
if globalIsGateway {
return replicate, sync
}
if rs, ok := meta[xhttp.AmzBucketReplicationStatus]; ok {
replStatus = rs
}
if replication.StatusType(replStatus) == replication.Replica {
if replication.StatusType(replStatus) == replication.Replica && !metadataOnly {
return replicate, sync
}
cfg, err := getReplicationConfig(ctx, bucket)
@@ -124,8 +124,9 @@ func mustReplicater(ctx context.Context, bucket, object string, meta map[string]
return replicate, sync
}
opts := replication.ObjectOpts{
Name: object,
SSEC: crypto.SSEC.IsEncrypted(meta),
Name: object,
SSEC: crypto.SSEC.IsEncrypted(meta),
Replica: replication.StatusType(replStatus) == replication.Replica,
}
tagStr, ok := meta[xhttp.AmzObjectTagging]
if ok {