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Bug 1512053

Summary: [RFE] allow configuring kibana.yml
Product: OpenShift Container Platform Reporter: Rich Megginson <rmeggins>
Component: LoggingAssignee: Rich Megginson <rmeggins>
Status: CLOSED DUPLICATE QA Contact: Anping Li <anli>
Severity: high Docs Contact:
Priority: unspecified    
Version: 3.7.0CC: aos-bugs, jcantril, pweil, rmeggins, sradco, tkatarki
Target Milestone: ---   
Target Release: 3.7.z   
Hardware: Unspecified   
OS: Unspecified   
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Last Closed: 2017-11-19 02:40:20 UTC Type: Bug
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Rich Megginson 2017-11-10 18:26:54 UTC
Description of problem:
There is no way to configure kibana (the settings in kibana.yml).

For example: customer is getting timeouts from Kibana because Elasticsearch is heavily loaded, and would like to increase the timeout.  There is no way to do that.  The kibana.yml is hardcoded in the image.  We can't even currently use a configmap because the kibana edits this in place, so it must be a file in the container file system.

The kibana image provided by elastic allows you to provide environment variables to use for settings:

I suggest a 3 pronged approach:

1) Allow making settings via environment variables - use something like the approach above.  The kibana will convert the env vars into settings and edit kibana.yml to add those settings.

2) Allow the user to provide kibana.yml via a configmap.  e.g.

        - mountPath: /etc/kibana/userconfig
          name: userconfig
      - configMap:
          defaultMode: 420
          name: logging-kibana
        name: userconfig

The kibana will be changed like this:

If there is a configmap for kibana.yml, it will be copied over the default one in /etc/kibana/kibana.yml

3) Expose the most useful settings in openshift-ansible openshift_logging_kibana - we don't have to expose everything, but certain settings like elasticsearch.requesttimeout would be useful.

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Comment 1 Rich Megginson 2017-11-19 02:40:20 UTC

*** This bug has been marked as a duplicate of bug 1514749 ***