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ilm: Handle DeleteAllVersions action differently for DEL markers (#19481)

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i.e., this rule element doesn't apply to DEL markers.

This is a breaking change to how ExpiredObejctDeleteAllVersions
functions today. This is necessary to avoid the following highly probable
footgun scenario in the future.

Scenario:
The user uses tags-based filtering to select an object's time to live(TTL). 
The application sometimes deletes objects, too, making its latest
version a DEL marker. The previous implementation skipped tag-based filters
if the newest version was DEL marker, voiding the tag-based TTL. The user is
surprised to find objects that have expired sooner than expected.

* Add DelMarkerExpiration action

This ILM action removes all versions of an object if its
the latest version is a DEL marker.

```xml
<DelMarkerObjectExpiration>
    <Days> 10 </Days>
</DelMarkerObjectExpiration>
```

1. Applies only to objects whose,
  • The latest version is a DEL marker.
  • satisfies the number of days criteria
2. Deletes all versions of this object
3. Associated rule can't have tag-based filtering

Includes,
- New bucket event type for deletion due to DelMarkerExpiration
This commit is contained in:
Krishnan Parthasarathi
2024-04-30 18:11:10 -07:00
committed by GitHub
parent 8161411c5d
commit 7926401cbd
11 changed files with 471 additions and 89 deletions
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7
internal/bucket/lifecycle/action_string.go
View File

@@ -16,12 +16,13 @@ func _() {
_ = x[DeleteRestoredAction-5]
_ = x[DeleteRestoredVersionAction-6]
_ = x[DeleteAllVersionsAction-7]
_ = x[ActionCount-8]
_ = x[DelMarkerDeleteAllVersionsAction-8]
_ = x[ActionCount-9]
}
const _Action_name = "NoneActionDeleteActionDeleteVersionActionTransitionActionTransitionVersionActionDeleteRestoredActionDeleteRestoredVersionActionDeleteAllVersionsActionActionCount"
const _Action_name = "NoneActionDeleteActionDeleteVersionActionTransitionActionTransitionVersionActionDeleteRestoredActionDeleteRestoredVersionActionDeleteAllVersionsActionDelMarkerDeleteAllVersionsActionActionCount"
var _Action_index = [...]uint8{0, 10, 22, 41, 57, 80, 100, 127, 150, 161}
var _Action_index = [...]uint8{0, 10, 22, 41, 57, 80, 100, 127, 150, 182, 193}
func (i Action) String() string {
if i < 0 || i >= Action(len(_Action_index)-1) {