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lifecycle: don't transition delete markers (#11692)

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Krishnan Parthasarathi 2021-03-05 15:29:27 -08:00 committed by GitHub
parent ec547c0fa8
commit 79b0d056a2
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1 changed files with 29 additions and 22 deletions
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21
pkg/bucket/lifecycle/lifecycle.go
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@ -220,6 +220,13 @@ type ObjectOpts struct {
RestoreExpires time.Time
}
// ExpiredObjectDeleteMarker returns true if an object version referred to by o
// is the only version remaining and is a delete marker. It returns false
// otherwise.
func (o ObjectOpts) ExpiredObjectDeleteMarker() bool {
return o.DeleteMarker && o.NumVersions == 1
}
// ComputeAction returns the action to perform by evaluating all lifecycle rules
// against the object name and its modification time.
func (lc Lifecycle) ComputeAction(obj ObjectOpts) Action {
@ -229,7 +236,7 @@ func (lc Lifecycle) ComputeAction(obj ObjectOpts) Action {
}
for _, rule := range lc.FilterActionableRules(obj) {
if obj.DeleteMarker && obj.NumVersions == 1 && rule.Expiration.DeleteMarker.val {
if obj.ExpiredObjectDeleteMarker() && rule.Expiration.DeleteMarker.val {
// Indicates whether MinIO will remove a delete marker with no noncurrent versions.
// Only latest marker is removed. If set to true, the delete marker will be expired;
// if set to false the policy takes no action. This cannot be specified with Days or
@ -246,7 +253,7 @@ func (lc Lifecycle) ComputeAction(obj ObjectOpts) Action {
}
}
if obj.VersionID != "" && obj.DeleteMarker && obj.NumVersions == 1 {
if obj.VersionID != "" && obj.ExpiredObjectDeleteMarker() {
// From https: //docs.aws.amazon.com/AmazonS3/latest/dev/lifecycle-configuration-examples.html :
// The NoncurrentVersionExpiration action in the same Lifecycle configuration removes noncurrent objects X days
// after they become noncurrent. Thus, in this example, all object versions are permanently removed X days after
@ -259,7 +266,7 @@ func (lc Lifecycle) ComputeAction(obj ObjectOpts) Action {
}
if !rule.NoncurrentVersionTransition.IsDaysNull() {
if obj.VersionID != "" && !obj.IsLatest && !obj.SuccessorModTime.IsZero() && obj.TransitionStatus != TransitionComplete {
if obj.VersionID != "" && !obj.IsLatest && !obj.SuccessorModTime.IsZero() && !obj.DeleteMarker && obj.TransitionStatus != TransitionComplete {
// Non current versions should be deleted if their age exceeds non current days configuration
// https://docs.aws.amazon.com/AmazonS3/latest/dev/intro-lifecycle-rules.html#intro-lifecycle-rules-actions
if time.Now().After(ExpectedExpiryTime(obj.SuccessorModTime, int(rule.NoncurrentVersionTransition.NoncurrentDays))) {
@ -273,14 +280,14 @@ func (lc Lifecycle) ComputeAction(obj ObjectOpts) Action {
switch {
case !rule.Expiration.IsDateNull():
if time.Now().UTC().After(rule.Expiration.Date.Time) {
action = DeleteAction
return DeleteAction
}
case !rule.Expiration.IsDaysNull():
if time.Now().UTC().After(ExpectedExpiryTime(obj.ModTime, int(rule.Expiration.Days))) {
action = DeleteAction
return DeleteAction
}
}
if action == NoneAction {
if obj.TransitionStatus != TransitionComplete {
switch {
case !rule.Transition.IsDateNull():
@ -300,7 +307,7 @@ func (lc Lifecycle) ComputeAction(obj ObjectOpts) Action {
action = DeleteRestoredAction
}
}
}
}
}
return action