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https://reviews.apache.org/r/60586/
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Review request for Ambari, Attila Doroszlai, Alejandro Fernandez, and Sid Wagle.


Bugs: AMBARI-21391
    https://issues.apache.org/jira/browse/AMBARI-21391


Repository: ambari


Description
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During an EU, the effective stack ID needs to be correctly determined based on 
whether the desired stack has changed.

STR:
- Create a stack with BIgInsights 4.2.5
- Register HDP 2.6
- Perform an EU

The "STOP" steps should be sending down host_params/stack_version = 4.2.5.0. 
All commands after the desired stack ID change should adjust to using the 
target (HDP 2.6) value.

{code}
    "configuration_credentials": {},
    "roleCommand": "CUSTOM_COMMAND",
    "credentialStoreEnabled": "false",
    "hostLevelParams": {
        "stack_name": "BigInsights",
        "current_version": "4.2.5.0-0000",
        "custom_command": "RESTART",
        "stack_version": "4.2.5",
        ...
    },
    "commandParams": {
        "upgrade_direction": "upgrade",
        "service_package_folder": "common-services/ZOOKEEPER/3.4.5/package",
        "hooks_folder": "HDP/2.0.6/hooks",
        "clusterName": "c1",
        "script": "scripts/zookeeper_server.py",
        "request_id": "10",
        "version": "2.6.0.0-334",
        "forceRefreshConfigTagsBeforeExecution": "true",
        "upgrade_type": "nonrolling_upgrade",
        "command_timeout": "900",
        "script_type": "PYTHON"
    },
{code}


Diffs
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ambari-server/src/main/java/org/apache/ambari/server/controller/internal/UpgradeResourceProvider.java
 25e8cab4a4 
  
ambari-server/src/main/java/org/apache/ambari/server/state/UpgradeContext.java 
1bb3d77d8d 
  
ambari-server/src/main/java/org/apache/ambari/server/state/cluster/ClusterImpl.java
 c4f28b2ab0 
  
ambari-server/src/main/java/org/apache/ambari/server/state/stack/upgrade/HostOrderGrouping.java
 9ca0d4e9ee 
  
ambari-server/src/test/java/org/apache/ambari/server/state/UpgradeHelperTest.java
 8b1f4effb0 


Diff: https://reviews.apache.org/r/60586/diff/1/


Testing
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PENDING...


Thanks,

Jonathan Hurley

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