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https://issues.apache.org/jira/browse/AMBARI-15508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15241078#comment-15241078
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Dmytro Sen commented on AMBARI-15508:
-------------------------------------
[~hkropp],
Thanks for contributing, the patch doesn't handle case with no dfs.nameservices
in hdfs-site, also please add unit tests
> Enable HDFS alerts with multiple namservices
> --------------------------------------------
>
> Key: AMBARI-15508
> URL: https://issues.apache.org/jira/browse/AMBARI-15508
> Project: Ambari
> Issue Type: Bug
> Affects Versions: trunk
> Reporter: Henning Kropp
> Assignee: Henning Kropp
> Fix For: 2.4.0
>
> Attachments: AMBARI-15508
>
>
> If dfs.namenode.http(s)-address is removed due to HA and multiple
> nameservices are configured NN web alerting reports NN site down.
> Reason seems to be the following alerting configuration:
> {code}
> "high_availability": {
> "nameservice": "{{hdfs-site/dfs.nameservices}}",
> "alias_key" :
> "{{hdfs-site/dfs.ha.namenodes.{{ha-nameservice}}}}",
> "http_pattern" :
> "{{hdfs-site/dfs.namenode.http-address.{{ha-nameservice}}.{{alias}}}}",
> "https_pattern" :
> "{{hdfs-site/dfs.namenode.https-address.{{ha-nameservice}}.{{alias}}}}"
> }
> {code}
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