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From "Sumit Mohanty" <smoha...@hortonworks.com>
Subject Re: Review Request 42094: Install cluster failed as tried to write config when hadoop conf dir is missing
Date Sat, 09 Jan 2016 00:02:04 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/42094/#review113572
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Ship it!


Ship It!

- Sumit Mohanty


On Jan. 9, 2016, 12:01 a.m., Alejandro Fernandez wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/42094/
> -----------------------------------------------------------
> 
> (Updated Jan. 9, 2016, 12:01 a.m.)
> 
> 
> Review request for Ambari, Andrew Onischuk, Jonathan Hurley, Jayush Luniya, Nate Cole,
Sumit Mohanty, Srimanth Gunturi, and Sid Wagle.
> 
> 
> Bugs: AMBARI-14596
>     https://issues.apache.org/jira/browse/AMBARI-14596
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Cluster installation failed on Accumulo Client because it was one of the first tasks
scheduled and HDFS Client had not been installed yet, which installs the hadoop rpm and creates
the /etc/hadoop/conf folder.
> 
> If a host does not contain /etc/hadoop/conf, then we should not attempt to write config
files to it during the after-install hooks. Once a component is installed that does contain
the hadoop rpm, then it will be responsible for writing out the configs to it.
> 
> Ambari 2.2.1.0-71
> HDP 2.4.0.0-47
> 
> ```
> Traceback (most recent call last):
>   File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/hook.py",
line 38, in <module>
>     AfterInstallHook().execute()
>   File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
line 219, in execute
>     method(env)
>   File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/hook.py",
line 33, in hook
>     setup_config()
>   File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/shared_initialization.py",
line 55, in setup_config
>     only_if=format("ls {hadoop_conf_dir}"))
>   File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 154,
in __init__
>     self.env.run()
>   File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line
158, in run
>     self.run_action(resource, action)
>   File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line
121, in run_action
>     provider_action()
>   File "/usr/lib/python2.6/site-packages/resource_management/libraries/providers/xml_config.py",
line 67, in action_create
>     encoding = self.resource.encoding
>   File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 154,
in __init__
>     self.env.run()
>   File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line
158, in run
>     self.run_action(resource, action)
>   File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line
121, in run_action
>     provider_action()
>   File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py",
line 87, in action_create
>     raise Fail("Applying %s failed, parent directory %s doesn't exist" % (self.resource,
dirname))
> resource_management.core.exceptions.Fail: Applying File['/usr/hdp/current/hadoop-client/conf/core-site.xml']
failed, parent directory /usr/hdp/current/hadoop-client/conf doesn't exist
> ```
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/shared_initialization.py
98b7eb5 
> 
> Diff: https://reviews.apache.org/r/42094/diff/
> 
> 
> Testing
> -------
> 
> Verified on a new cluster installation.
> 
> Python unit tests passed.
> OK
> ----------------------------------------------------------------------
> Total run:858
> Total errors:0
> Total failures:0
> OK
> 
> 
> Thanks,
> 
> Alejandro Fernandez
> 
>


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