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From "Alejandro Fernandez (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-8995) Service to advertise HDP version of component during START in response's structuredOut
Date Mon, 05 Jan 2015 23:25:34 GMT
Alejandro Fernandez created AMBARI-8995:
-------------------------------------------

             Summary: Service to advertise HDP version of component during START in response's
structuredOut
                 Key: AMBARI-8995
                 URL: https://issues.apache.org/jira/browse/AMBARI-8995
             Project: Ambari
          Issue Type: Story
          Components: ambari-server
    Affects Versions: 2.0.0
            Reporter: Alejandro Fernandez
            Assignee: Alejandro Fernandez
             Fix For: 2.0.0


This is a prereq for (Rolling Upgrade - Finalize needs to complete upgrade states in DB, which
can do other work in parallel), and is related to (Rolling Upgrade Bootstrap - Allow Ambari
upgrade from 1.7.0 - 2.0.0 to populate new tables, which prepares the pre-reqs for a downgrade).

Basically, when a service starts, the response's structuredOut needs to contain something
like,
{"version": "2.2.1.0-2175"}

This Jira captures the python work to be done for all of the services.

The backend will then store this in the hostcomponentstate table when the HeartBeatHandler
detects it, and use it to bubble up information into the host_version and cluster_version
tables



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