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https://issues.apache.org/jira/browse/AMBARI-21580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Hurley resolved AMBARI-21580.
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Resolution: Fixed
> Replace Hard Coded stack-select Structures
> ------------------------------------------
>
> Key: AMBARI-21580
> URL: https://issues.apache.org/jira/browse/AMBARI-21580
> Project: Ambari
> Issue Type: Task
> Affects Versions: 2.5.3
> Reporter: Jonathan Hurley
> Assignee: Jonathan Hurley
> Priority: Critical
> Fix For: 2.5.3
>
>
> Currently, both the stack-select and conf-select python files have hard-coded
> structures inside of them which contain mappings for things like
> configuration directories and stack-select component names.
> This is mainly used for pairing the Ambari role name (defined from
> metainfo.xml) with the {{stack-select}} package name. There are places, like
> {{params.py}} where we have not yet entered the target python file (like
> {{AccumuloScript}}) where we could get this information. Some components need
> this to be able to build things like the Hadoop conf dir:
> {code:title=stack_select.py}
> SERVER_ROLE_DIRECTORY_MAP = {
> 'ACCUMULO_MASTER' : 'accumulo-master',
> 'ACCUMULO_MONITOR' : 'accumulo-monitor',
> 'ACCUMULO_GC' : 'accumulo-gc',
> 'ACCUMULO_TRACER' : 'accumulo-tracer',
> 'ACCUMULO_TSERVER' : 'accumulo-tablet',
> 'ATLAS_SERVER' : 'atlas-server',
> 'FLUME_HANDLER' : 'flume-server',
> 'FALCON_SERVER' : 'falcon-server',
> ...
> {code}
> With the coming of management packs replacing stacks, we can no longer hard
> code this in Python. My suggestion is to begin moving this data into a
> property of some sort. Today, {{cluster-env}} exists and would be the only
> place for it (where the stack-feature tools are now). However, I believe that
> {{cluster-env}} is also going away and being replaced with something similar
> to "Cluster Settings".
> In any event, this Jira is to track the work needed to replace this logic.
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