[jira] [Created] (BIGTOP-1689) puppet: Allow merging abritary configuration in site.xml files

["Peter Slawski (JIRA)" <ji...@apache.org>]

Peter Slawski created BIGTOP-1689:
-------------------------------------

             Summary: puppet: Allow merging abritary configuration in site.xml files
                 Key: BIGTOP-1689
                 URL: https://issues.apache.org/jira/browse/BIGTOP-1689
             Project: Bigtop
          Issue Type: Improvement
          Components: deployment
            Reporter: Peter Slawski


Puppet should be flexible in allowing arbitrary configuration name value pairs to be merged into a given site.xml file that was generated from a template.

For example, the following could be included in site.yaml which would add a configuration entry for hadoop.tmp.dir in core-site.xml:
{code}
hadoop::common_hdfs::hadoop_core_site_overrides:
  "hadoop.tmp.dir": "/mnt/var/lib/hadoop/tmp"
{code}

This could be implemented as a puppet custom-function taking in the output of template:
{code}
    file {
      "/etc/hadoop/conf/core-site.xml":
        content => merge_site(template('hadoop/core-site.xml'),  $hadoop_core_site_overrides)
        require => [Package["hadoop"]],
    }
{code}

Perhaps another approach would be to have site.xml templates be created from a single map of name value pairs. The merge would happen before the template is created.



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