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pkg/lifecycle: Add SetPredictionHeaders method (#12755)

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This method is used to add expected expiration and transition time 
for an object in GET/HEAD Object response headers.

Also fixed bugs in lifecycle.PredictTransitionTime and
getLifecycleTransitionTier in handling current and 
non-current versions.
This commit is contained in:
Krishnan Parthasarathi
2021-07-20 17:36:55 -07:00
committed by GitHub
parent 6ea083d197
commit d0963974a5
8 changed files with 204 additions and 59 deletions
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23
cmd/bucket-lifecycle.go
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@@ -309,9 +309,12 @@ func transitionObject(ctx context.Context, objectAPI ObjectLayer, oi ObjectInfo)
// getLifeCycleTransitionTier returns storage class for transition target
func getLifeCycleTransitionTier(ctx context.Context, lc *lifecycle.Lifecycle, bucket string, obj lifecycle.ObjectOpts) string {
for _, rule := range lc.FilterActionableRules(obj) {
if rule.Transition.StorageClass != "" {
if obj.IsLatest && rule.Transition.StorageClass != "" {
return rule.Transition.StorageClass
}
if !obj.IsLatest && rule.NoncurrentVersionTransition.StorageClass != "" {
return rule.NoncurrentVersionTransition.StorageClass
}
}
return ""
}
@@ -673,3 +676,21 @@ func isRestoredObjectOnDisk(meta map[string]string) (onDisk bool) {
}
return onDisk
}
// ToLifecycleOpts returns lifecycle.ObjectOpts value for oi.
func (oi ObjectInfo) ToLifecycleOpts() lifecycle.ObjectOpts {
return lifecycle.ObjectOpts{
Name: oi.Name,
UserTags: oi.UserTags,
VersionID: oi.VersionID,
ModTime: oi.ModTime,
IsLatest: oi.IsLatest,
NumVersions: oi.NumVersions,
DeleteMarker: oi.DeleteMarker,
SuccessorModTime: oi.SuccessorModTime,
RestoreOngoing: oi.RestoreOngoing,
RestoreExpires: oi.RestoreExpires,
TransitionStatus: oi.TransitionStatus,
RemoteTiersImmediately: globalDebugRemoteTiersImmediately,
}
}