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Ship it!




Ship It!

- Sergio Pena


On July 12, 2018, 9:14 p.m., Na Li wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/67899/
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> 
> (Updated July 12, 2018, 9:14 p.m.)
> 
> 
> Review request for sentry, Arjun Mishra, kalyan kumar kalvagadda, and Sergio 
> Pena.
> 
> 
> Bugs: sentry-2299
>     https://issues.apache.org/jira/browse/sentry-2299
> 
> 
> Repository: sentry
> 
> 
> Description
> -------
> 
> Sentry client at NameNode does not create entry for external table. When user 
> rename an external table with different path, null exception happens. The fix 
> is to check if old entry exists or not. If exists, move old paths to new 
> table. Otherwise, skip that step.
> 
> You can see that in the following function createAuthzObjPath in 
> HMSPaths.java, if the path is outside of prefix, no entry is created
> 
>     public Entry createAuthzObjPath(List<String> pathElements, String 
> authzObj) {
>       Entry entry = null;
>       Entry prefix = findPrefixEntry(pathElements);
>       if (prefix != null) {
>         // we only create the entry if is under a prefix, else we ignore it
>         entry = createChild(pathElements, EntryType.AUTHZ_OBJECT, authzObj);
>       } else {
>         if (LOG.isDebugEnabled()) {
>           LOG.debug(String.format("%s: createAuthzObjPath(%s, %s): outside of 
> prefix, skipping",        <- skip creating entry for external tables
>             this, authzObj, pathElements));
>         }
>       }
>       return entry;
>     }
> 
> 
> Diffs
> -----
> 
>   
> sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/HMSPaths.java
>  3919d60 
>   
> sentry-hdfs/sentry-hdfs-common/src/test/java/org/apache/sentry/hdfs/TestHMSPaths.java
>  20ed97c 
> 
> 
> Diff: https://reviews.apache.org/r/67899/diff/1/
> 
> 
> Testing
> -------
> 
> Add new test case for renaming external table with different paths. It passes
> 
> 
> Thanks,
> 
> Na Li
> 
>

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