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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