Chung-En Lee created HDDS-17703:
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             Summary: PutBucketLifecycleConfiguration saves a Tag filter 
without Key or Value as an empty filter that matches every key
                 Key: HDDS-17703
                 URL: https://issues.apache.org/jira/browse/HDDS-17703
             Project: Apache Ozone
          Issue Type: Sub-task
          Components: S3
            Reporter: Chung-En Lee


A lifecycle rule whose {{Tag}} filter has no {{Value}}, or no {{Key}}, is saved 
with an empty filter, so the rule applies to every key in the bucket. AWS S3 
rejects such a body with 400 MalformedXML.

Steps to reproduce:
# Send PutBucketLifecycleConfiguration with this rule:
{{<Rule><ID>r1</ID><Filter><Tag><Key>a</Key></Tag></Filter><Status>Enabled</Status><Expiration><Days>1</Days></Expiration></Rule>}}
# Send GetBucketLifecycleConfiguration.

Actual: Step 1 returns 200. Step 2 returns the rule with {{<Filter/>}}. With 
{{ozone.lifecycle.service.enabled=true}}, KeyLifecycleService expires keys that 
don't have tag {{a}} (tested in {{TestKeyLifecycleService}}, OBS and FSO 
buckets).

Expected: Step 1 returns 400 MalformedXML and nothing is saved, as on AWS S3.

The same {{Tag}} inside {{<And>}} returns 500 instead, with a 
NullPointerException in the S3 Gateway log. AWS S3 returns 400 MalformedXML for 
that body too.



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