minio/pkg/bucket/lifecycle/noncurrentversion.go
Poorna Krishnamoorthy 1ebf6f146a Add support for ILM transition (#10565)
This PR adds transition support for ILM
to transition data to another MinIO target
represented by a storage class ARN. Subsequent
GET or HEAD for that object will be streamed from
the transition tier. If PostRestoreObject API is
invoked, the transitioned object can be restored for
duration specified to the source cluster.
2020-11-19 18:47:17 -08:00

62 lines
2.0 KiB
Go

/*
* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package lifecycle
import (
"encoding/xml"
)
// NoncurrentVersionExpiration - an action for lifecycle configuration rule.
type NoncurrentVersionExpiration struct {
XMLName xml.Name `xml:"NoncurrentVersionExpiration"`
NoncurrentDays ExpirationDays `xml:"NoncurrentDays,omitempty"`
}
// NoncurrentVersionTransition - an action for lifecycle configuration rule.
type NoncurrentVersionTransition struct {
NoncurrentDays ExpirationDays `xml:"NoncurrentDays"`
StorageClass string `xml:"StorageClass"`
}
// MarshalXML if non-current days not set to non zero value
func (n NoncurrentVersionExpiration) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
if n.IsDaysNull() {
return nil
}
type noncurrentVersionExpirationWrapper NoncurrentVersionExpiration
return e.EncodeElement(noncurrentVersionExpirationWrapper(n), start)
}
// IsDaysNull returns true if days field is null
func (n NoncurrentVersionExpiration) IsDaysNull() bool {
return n.NoncurrentDays == ExpirationDays(0)
}
// MarshalXML is extended to leave out
// <NoncurrentVersionTransition></NoncurrentVersionTransition> tags
func (n NoncurrentVersionTransition) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
if n.NoncurrentDays == ExpirationDays(0) {
return nil
}
return e.EncodeElement(&n, start)
}
// IsDaysNull returns true if days field is null
func (n NoncurrentVersionTransition) IsDaysNull() bool {
return n.NoncurrentDays == ExpirationDays(0)
}