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From "Dmitry Lysnichenko (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-12581) Conf-select calls should tolerate failure on existing directory
Date Wed, 29 Jul 2015 16:55:05 GMT
Dmitry Lysnichenko created AMBARI-12581:
-------------------------------------------

             Summary: Conf-select calls should tolerate failure on existing directory
                 Key: AMBARI-12581
                 URL: https://issues.apache.org/jira/browse/AMBARI-12581
             Project: Ambari
          Issue Type: Bug
            Reporter: Dmitry Lysnichenko


Few HDP-2.3 installation ran into problem when install performed on VMs that are not clean.
One of the reported problem is:
{code}
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 218, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/hook.py",
line 35, in hook
    link_configs(self.stroutfile)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/shared_initialization.py",
line 91, in link_configs
    _link_configs(k, json_version, v)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/after-INSTALL/scripts/shared_initialization.py",
line 156, in _link_configs
    conf_select.select("HDP", package, version)
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/conf_select.py",
line 241, in select
    shell.checked_call(get_cmd("set-conf-dir", package, version), logoutput=False, quiet=False,
sudo=True)
  File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 70, in inner
    result = function(command, **kwargs)
  File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 92, in checked_call
    tries=tries, try_sleep=try_sleep)
  File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 140, in
_call_wrapper
    result = _call(command, **kwargs_copy)
  File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 291, in
_call
    raise Fail(err_msg)
resource_management.core.exceptions.Fail: Execution of 'conf-select set-conf-dir --package
ranger-kms --stack-version 2.3.0.0-2557 --conf-version 0' returned 1. ranger-kms not installed
or incorrect package name
{code}

AMBARI-12515 is looking into making conf-select call more robust but host-clean up script
(along with host checkup) need to be modified to handle the new folders introduced under "/etc"
as well as "/usr/hdp/current" or "/usr/hdp/version".

Suggestion from [~ncole] regarding cleaning up conf dirs.

{code}
cd /etc
remove accumulo ambari-* atlas hadoop-* hive* hive-* mahout phoenix ranger spark zookeeper
falcon hadoop hbase kafka knox oozie ranger-* (ranger-admin, ranger-kms, ranger-usersync)
slider sqoop storm pig flume hive-hcatalog
{code}

The host check script should be modified to include these folders in the report so that the
cleanup script can clean it.



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