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Add support for ILM transition (#10565)

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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.
This commit is contained in:
Poorna Krishnamoorthy
2020-11-12 12:12:09 -08:00
committed by Harshavardhana
parent 8f7fe0405e
commit 1ebf6f146a
34 changed files with 1296 additions and 136 deletions
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16
pkg/bucket/lifecycle/noncurrentversion.go
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@@ -32,10 +32,6 @@ type NoncurrentVersionTransition struct {
StorageClass string `xml:"StorageClass"`
}
var (
errNoncurrentVersionTransitionUnsupported = Errorf("Specifying <NoncurrentVersionTransition></NoncurrentVersionTransition> is not supported")
)
// 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() {
@@ -50,13 +46,6 @@ func (n NoncurrentVersionExpiration) IsDaysNull() bool {
return n.NoncurrentDays == ExpirationDays(0)
}
// UnmarshalXML is extended to indicate lack of support for
// NoncurrentVersionTransition xml tag in object lifecycle
// configuration
func (n NoncurrentVersionTransition) UnmarshalXML(d *xml.Decoder, startElement xml.StartElement) error {
return errNoncurrentVersionTransitionUnsupported
}
// MarshalXML is extended to leave out
// <NoncurrentVersionTransition></NoncurrentVersionTransition> tags
func (n NoncurrentVersionTransition) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
@@ -65,3 +54,8 @@ func (n NoncurrentVersionTransition) MarshalXML(e *xml.Encoder, start xml.StartE
}
return e.EncodeElement(&n, start)
}
// IsDaysNull returns true if days field is null
func (n NoncurrentVersionTransition) IsDaysNull() bool {
return n.NoncurrentDays == ExpirationDays(0)
}