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Posted to dev@ambari.apache.org by Andrew Onischuk <ao...@hortonworks.com> on 2015/02/12 14:09:57 UTC

Review Request 30930: Ambari greps 'running' for service daemon status, which does not apply to certain services/platforms

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https://reviews.apache.org/r/30930/
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Review request for Ambari and Dmitro Lisnichenko.


Bugs: AMBARI-9595
    https://issues.apache.org/jira/browse/AMBARI-9595


Repository: ambari


Description
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PROBLEM:

For example, on CentoOS 6.5, manually install mysql

[root@hdpsecc01 init.d]# mysql --version  
mysql Ver 14.14 Distrib 5.6.20, for Linux (x86_64) using EditLine wrapper

/etc/init.d/mysqld  
shows that when the service is not running, it is  
'MySQL is not running'

While Ambari 1.7.0  
/var/lib/ambari-
agent/cache/stacks/HDP/2.0.6/services/HIVE/package/scripts/my_services.py

status_cmd = format('service

{daemon_name} status | grep running')  
  
so it thinks the service is running when it is not.  
  
Jonathan Hurley suggested that a fix needs to fix on other linux distros as it
doesn't work there either  
Can keep status_cmd = format('service {daemon_name}

status') for redhat family OS's, but for other families, need a different
not_if command.

For now, for centos/redhat can try change the ambari script above  
status_cmd = format('service

{daemon_name} status | grep running')  
  
to  
status_cmd = format('service {daemon_name}

status')


Diffs
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  ambari-server/src/main/resources/common-services/HIVE/0.12.0.2.0/package/scripts/mysql_service.py f908c75 
  ambari-server/src/test/python/stacks/2.0.6/HIVE/test_mysql_server.py bb1f235 

Diff: https://reviews.apache.org/r/30930/diff/


Testing
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mvn clean test


Thanks,

Andrew Onischuk