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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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20
pkg/bucket/replication/rule.go
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@@ -98,9 +98,10 @@ type Rule struct {
Priority int `xml:"Priority" json:"Priority"`
DeleteMarkerReplication DeleteMarkerReplication `xml:"DeleteMarkerReplication" json:"DeleteMarkerReplication"`
// MinIO extension to replicate versioned deletes
DeleteReplication DeleteReplication `xml:"DeleteReplication" json:"DeleteReplication"`
Destination Destination `xml:"Destination" json:"Destination"`
Filter Filter `xml:"Filter" json:"Filter"`
DeleteReplication DeleteReplication `xml:"DeleteReplication" json:"DeleteReplication"`
Destination Destination `xml:"Destination" json:"Destination"`
SourceSelectionCriteria SourceSelectionCriteria `xml:"SourceSelectionCriteria" json:"SourceSelectionCriteria"`
Filter Filter `xml:"Filter" json:"Filter"`
}
var (
@@ -192,6 +193,10 @@ func (r Rule) Validate(bucket string, sameTarget bool) error {
if err := r.DeleteReplication.Validate(); err != nil {
return err
}
if err := r.SourceSelectionCriteria.Validate(); err != nil {
return err
}
if r.Priority < 0 {
return errPriorityMissing
}
@@ -200,3 +205,12 @@ func (r Rule) Validate(bucket string, sameTarget bool) error {
}
return nil
}
// MetadataReplicate returns true if object is not a replica or in the case of replicas,
// replica modification sync is enabled.
func (r Rule) MetadataReplicate(obj ObjectOpts) bool {
if !obj.Replica {
return true
}
return obj.Replica && r.SourceSelectionCriteria.ReplicaModifications.Status == Enabled
}