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https://reviews.apache.org/r/37844/
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Review request for Ambari, Alejandro Fernandez and Nate Cole.


Bugs: AMBARI-12903
    https://issues.apache.org/jira/browse/AMBARI-12903


Repository: ambari


Description
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During the prerequisite checks, any of the existing checks that prevent the 
upgrade from starting based on stack distribution or host availability will 
need to be modified to exclude unhealthy hosts. 

A new prerequisite check will also be created to warn the administrator that 
there are hosts which are in maintenance mode and will not be upgraded. This 
warning is for informational purposes only and will not stop the upgrade.


Diffs
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ambari-server/src/main/java/org/apache/ambari/server/checks/CheckDescription.java
 5cfbb47 
  
ambari-server/src/main/java/org/apache/ambari/server/checks/HostsHeartbeatCheck.java
 6076a32 
  
ambari-server/src/main/java/org/apache/ambari/server/checks/HostsRepositoryVersionCheck.java
 6ebf8e1 
  
ambari-server/src/test/java/org/apache/ambari/server/checks/HostsHeartbeatCheckTest.java
 5f6cae9 

Diff: https://reviews.apache.org/r/37844/diff/


Testing
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mvn clean test


Thanks,

Jonathan Hurley

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