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https://issues.apache.org/jira/browse/YARN-7286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16208159#comment-16208159
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Jason Lowe commented on YARN-7286:
----------------------------------
Thanks for updating the patch!
Copy-n-paste error on the assert message here. It doesn't match the test case.
{code}
conf.setStrings(YarnConfiguration.NM_DOCKER_CONTAINER_CAPABILITIES,
"CHOWN", "DAC_OVERRIDE", "NONE");
runtime.initialize(conf);
Assert.fail("Initialize didn't fail with invalid capabilities " +
"'none', 'CHOWN', 'DAC_OVERRIDE'");
{code}
There's no need to surround unit test code with a try/catch block and
explicitly fail when we do not expect it to throw. The test will just fail
naturally if it does throw.
> Add support for docker to have no capabilities
> ----------------------------------------------
>
> Key: YARN-7286
> URL: https://issues.apache.org/jira/browse/YARN-7286
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: Eric Badger
> Assignee: Eric Badger
> Attachments: YARN-7286.001.patch, YARN-7286.002.patch,
> YARN-7286.003.patch, YARN-7286.004.patch, YARN-7286.005.patch,
> YARN-7286.006.patch
>
>
> Support for controlling capabilities was introduced in YARN-4258. However, it
> does not allow for the capabilities list to be NULL, since {{getStrings()}}
> will treat an empty value the same as it treats an unset property. So, a NULL
> list will actually give the default capabilities list.
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