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https://issues.apache.org/jira/browse/KNOX-2153?focusedWorklogId=373875&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-373875
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ASF GitHub Bot logged work on KNOX-2153:
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Author: ASF GitHub Bot
Created on: 17/Jan/20 21:13
Start Date: 17/Jan/20 21:13
Worklog Time Spent: 10m
Work Description: pzampino commented on pull request #239: KNOX-2153 - CM
discovery - Monitor Cloudera Manager
URL: https://github.com/apache/knox/pull/239
## What changes were proposed in this pull request?
This change adds the ability for Knox to monitor ClouderaManager-managed
clusters for configuration changes, and respond by re-generating topologies
based on the most recent configuration.
When Knox performs service discovery against a CM-managed cluster to
generate a topology, it registers that cluster data with the monitor, which
will periodically check that cluster for service restart events. In CM, config
changes are meaningless unless the associated service is restarted.
When Knox identifies a restart event, it will query the current config for
the restarted service, and compare it with its previous record from the last
discovery thereof. If there are changes, it will trigger rediscovery of the
affected topologies.
## How was this patch tested?
So far, this has been tested manually. There will be a subsequent commit
with tests added to this PR prior to merging. Given the magnitude of this
change, I've created the PR without tests to facilitate early review.
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Issue Time Tracking
-------------------
Worklog Id: (was: 373875)
Remaining Estimate: 0h
Time Spent: 10m
> CM discovery - Monitor Cloudera Manager
> ---------------------------------------
>
> Key: KNOX-2153
> URL: https://issues.apache.org/jira/browse/KNOX-2153
> Project: Apache Knox
> Issue Type: Sub-task
> Components: cm-discovery
> Affects Versions: 1.4.0
> Reporter: Sandor Molnar
> Assignee: Philip Zampino
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Knox needs to have monitoring capabilities implemented for Cloudera Manager
> service-discovery the same way as supported for Ambari (see KNOX-1013).
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