mirror of
https://github.com/minio/minio.git
synced 2024-12-26 23:25:54 -05:00
951acf561c
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.
77 lines
2.5 KiB
Go
77 lines
2.5 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
|
|
//
|
|
// This file is part of MinIO Object Storage stack
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package replication
|
|
|
|
import (
|
|
"encoding/xml"
|
|
)
|
|
|
|
// ReplicaModifications specifies if replica modification sync is enabled
|
|
type ReplicaModifications struct {
|
|
Status Status `xml:"Status" json:"Status"`
|
|
}
|
|
|
|
// SourceSelectionCriteria - specifies additional source selection criteria in ReplicationConfiguration.
|
|
type SourceSelectionCriteria struct {
|
|
ReplicaModifications ReplicaModifications `xml:"ReplicaModifications" json:"ReplicaModifications"`
|
|
}
|
|
|
|
// IsValid - checks whether SourceSelectionCriteria is valid or not.
|
|
func (s SourceSelectionCriteria) IsValid() bool {
|
|
return s.ReplicaModifications.Status == Enabled || s.ReplicaModifications.Status == Disabled
|
|
}
|
|
|
|
// Validate source selection criteria
|
|
func (s SourceSelectionCriteria) Validate() error {
|
|
if (s == SourceSelectionCriteria{}) {
|
|
return nil
|
|
}
|
|
if !s.IsValid() {
|
|
return errInvalidSourceSelectionCriteria
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// UnmarshalXML - decodes XML data.
|
|
func (s *SourceSelectionCriteria) UnmarshalXML(dec *xml.Decoder, start xml.StartElement) (err error) {
|
|
// Make subtype to avoid recursive UnmarshalXML().
|
|
type sourceSelectionCriteria SourceSelectionCriteria
|
|
ssc := sourceSelectionCriteria{}
|
|
if err := dec.DecodeElement(&ssc, &start); err != nil {
|
|
return err
|
|
}
|
|
if len(ssc.ReplicaModifications.Status) == 0 {
|
|
ssc.ReplicaModifications.Status = Enabled
|
|
}
|
|
*s = SourceSelectionCriteria(ssc)
|
|
return nil
|
|
}
|
|
|
|
// MarshalXML - encodes to XML data.
|
|
func (s SourceSelectionCriteria) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
|
|
if err := e.EncodeToken(start); err != nil {
|
|
return err
|
|
}
|
|
if s.IsValid() {
|
|
if err := e.EncodeElement(s.ReplicaModifications, xml.StartElement{Name: xml.Name{Local: "ReplicaModifications"}}); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return e.EncodeToken(xml.EndElement{Name: start.Name})
|
|
}
|