Review Request 56663: Critical alert: 'Percent JournalNodes Available' appears after upgrade from ambari 2.2.2.0 to 2.5.0.0

[Dmytro Sen]

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Review request for Ambari, Jonathan Hurley, Sid Wagle, and Vitalyi Brodetskyi.


Bugs: AMBARI-20010
    https://issues.apache.org/jira/browse/AMBARI-20010


Repository: ambari


Description
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STR:
1)Deploy cluster
2) Enable AMS Distr. mode
2)Make ambari only upgrade

*Actual result:* Critical alert: 'Percent JournalNodes Available' appears after 
upgrade from ambari 2.2.2.0 to 2.5.0.0

   {
      "href" : "http://host1:8080/api/v1/clusters/cl1/alerts/129";,
      "Alert" : {
        "cluster_name" : "cl1",
        "component_name" : null,
        "definition_id" : 60,
        "definition_name" : "journalnode_process_percent",
        "firmness" : "HARD",
        "host_name" : null,
        "id" : 129,
        "instance" : null,
        "label" : "Percent JournalNodes Available",
        "latest_timestamp" : 1485911969646,
        "maintenance_state" : "OFF",
        "occurrences" : 1,
        "original_timestamp" : 1485911969646,
        "repeat_tolerance" : 1,
        "repeat_tolerance_remaining" : 0,
        "scope" : "SERVICE",
        "service_name" : "HDFS",
        "state" : "CRITICAL",
        "text" : "affected: [3], total: [3]"
      }
    },


Diffs
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ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog250.java
 1f93f1f 
  
ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalog250Test.java
 cee490b 

Diff: https://reviews.apache.org/r/56663/diff/


Testing
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Unit test + manual tests


Thanks,

Dmytro Sen