[jira] [Resolved] (AMBARI-9618) Add checks in Ambaripreupload.py so that there is minimum chances of tarball uploads in parallel.

["Andrew Onischuk (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-9618?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Onischuk resolved AMBARI-9618.
-------------------------------------
    Resolution: Fixed

> Add checks in Ambaripreupload.py so that there is minimum chances of tarball uploads in parallel.
> -------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-9618
>                 URL: https://issues.apache.org/jira/browse/AMBARI-9618
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Andrew Onischuk
>            Assignee: Andrew Onischuk
>             Fix For: 2.0.0
>
>
> Add checks in Ambaripreupload.py so that there is minimum chances of tarball
> uploads in parallel.
> We should add the following checks in:
>     
>     
>     
>     
>     if dir exists wasb:///hdp/apps/{{ hdp_stack_version }}/mapreduce/:
>      copy_tarballs_to_hdfs("/usr/hdp/current/hadoop-client/mapreduce.tar.gz", "wasb:///hdp/apps/{{ hdp_stack_version }}/mapreduce/", 'hadoop-mapreduce-historyserver', params.mapred_user, params.hdfs_user, params.user_group)
>     
>     copy_tarballs_to_hdfs("/usr/hdp/current/sqoop-client/sqoop.tar.gz", "wasb:///hdp/apps/{{ hdp_stack_version }}/sqoop/", 'hadoop-mapreduce-historyserver', params.mapred_user, params.hdfs_user, params.user_group)
>     
>     
>     
> We should do this with all copy tarballs to hdfs in the file - meaning checks
> if the directories exist and then only copy the tarballs.
> The reason for doing this is so that when Ambari is doing the install/upload
> tarballs there is less chances of the ambaripreupload.py script creating a
> race condition on tarball upload.



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