[jira] [Commented] (AMBARI-25123) /var/lib/ambari-agent/cache not updating (Ambari 2.7)

["Saloni Udani (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-25123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16998246#comment-16998246 ] 

Saloni Udani commented on AMBARI-25123:
---------------------------------------

As the description mentions that nothing from /var/lib/ambari-server/resources is populated in agent cache, I see a behavior where custom dashboard files which are placed at /var/lib/ambari-server/resources/common-services/AMBARI_METRICS/0.1.0/package/files/grafana-dashboards/HDP/ are also not available in /var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/0.1.0/package/files/grafana-dashboards/HDP/.

Any guidelines?

> /var/lib/ambari-agent/cache not updating (Ambari 2.7)
> -----------------------------------------------------
>
>                 Key: AMBARI-25123
>                 URL: https://issues.apache.org/jira/browse/AMBARI-25123
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Andrew Onischuk
>            Assignee: Andrew Onischuk
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.7.4
>
>         Attachments: AMBARI-25123.patch, AMBARI-25123.patch
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> As of Ambari 2.7, any changes to /var/lib/ambari-server/resources are not
> pushed to ambari-agents cache (/var/lib/ambari-agent/cache/. This is not an
> issue in Ambari 2.6.
> Also, if you remove files or need to wipe ambari-agent cache(s), the files
> will never repopulate.
> Another example, is custom ambari host_scripts not being pushed to the ambari-
> agents as should be done based on this article, and works in Ambari 2.6:
> <https://community.hortonworks.com/articles/38149/how-to-create-and-register-
> custom-ambari-alerts.html>
> To reproduce:
>   * 1\. deploy hosts with Ambari 2.7.3 and have them connected to an ambari-server
>   * 2\. turn on DEBUG logging in ambari-agent
>   * 3\. go to an ambari-agent. Notice that there is no /var/lib/ambari-agent/cache/host_scripts/.hash but there are .hash files for the stack directories.
>   * 4\. on the ambari-server, add files into /var/lib/ambari-server/resources/host_scripts
>   * 5\. restart ambari-agent and notice that their host_scripts directory is never updated and .hash is never generated
>   * 6\. check ambari-agent.log and notice that other paths were checked (by FileCache.py) but host_scripts were not



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