Review Request 33682: If /selinux/enforce file exists with value 0 cluster deployment fails

[Vitalyi Brodetskyi <vb...@hortonworks.com>]

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https://reviews.apache.org/r/33682/
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Review request for Ambari and Sumit Mohanty.


Bugs: AMBARI-10841
    https://issues.apache.org/jira/browse/AMBARI-10841


Repository: ambari


Description
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If file {{/selinux/enforce}} exists with value 0, then service starts fail with the error:

{noformat}
Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 214, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py", line 32, in hook
    setup_hadoop()
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/shared_initialization.py", line 32, in setup_hadoop
    sudo=True,
  File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 148, in __init__
    self.env.run()
  File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 152, in run
    self.run_action(resource, action)
  File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 118, in run_action
    provider_action()
  File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line 274, in action_run
    raise ex
Fail: Execution of 'setenforce 0' returned 1. setenforce: SELinux is disabled
{noformat}


Diffs
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  ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/before-START/scripts/shared_initialization.py e371b00 
  ambari-server/src/test/python/stacks/2.0.6/hooks/before-START/test_before_start.py bc5f551 

Diff: https://reviews.apache.org/r/33682/diff/


Testing
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mvn clean test


Thanks,

Vitalyi Brodetskyi