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From "secfree (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-15126) Update wrong namenode config when moving namenode
Date Mon, 22 Feb 2016 09:11:18 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-15126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

secfree updated AMBARI-15126:
-----------------------------
    Description: 
Condition:
1. hdfs deploy ha
2. "dfs.namenode.http-address" is not set to the default port 50070

Result:
1. Ambari will always substitute configures relative to "nn2"
2. The active "Move Namenode" failed and make configure inconsistent, the cluster crashes

Code location:
{code:title=ambari-web/app/controllers/main/service/reassign/step4_controller.js|borderStyle=solid}

if (App.get('isHaEnabled')) {
      var nameServices = configs['hdfs-site']['dfs.nameservices'];
      var suffix = (configs['hdfs-site']['dfs.namenode.http-address.' + nameServices + '.nn1']
=== sourceHostName + ':50070') ? '.nn1' : '.nn2';
      configs['hdfs-site']['dfs.namenode.http-address.' + nameServices + suffix] = targetHostName
+ ':50070';
      ...
    }
{code}

  was:
Condition:
1. hdfs deploy ha
2. "dfs.namenode.http-address" is not set to the default port 50070

Result:
1. Ambari will always substitute configures relative to "nn2"
2. The active "Move Namenode" failed and make configure inconsistent, the cluster crashes

Code location
{code:title=ambari-web/app/controllers/main/service/reassign/step4_controller.js|borderStyle=solid}

if (App.get('isHaEnabled')) {
      var nameServices = configs['hdfs-site']['dfs.nameservices'];
      var suffix = (configs['hdfs-site']['dfs.namenode.http-address.' + nameServices + '.nn1']
=== sourceHostName + ':50070') ? '.nn1' : '.nn2';
      configs['hdfs-site']['dfs.namenode.http-address.' + nameServices + suffix] = targetHostName
+ ':50070';
      ...
    }
{code}


> Update wrong namenode config when moving namenode
> -------------------------------------------------
>
>                 Key: AMBARI-15126
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15126
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.1.2
>            Reporter: secfree
>            Priority: Critical
>              Labels: namenode
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> Condition:
> 1. hdfs deploy ha
> 2. "dfs.namenode.http-address" is not set to the default port 50070
> Result:
> 1. Ambari will always substitute configures relative to "nn2"
> 2. The active "Move Namenode" failed and make configure inconsistent, the cluster crashes
> Code location:
> {code:title=ambari-web/app/controllers/main/service/reassign/step4_controller.js|borderStyle=solid}
> if (App.get('isHaEnabled')) {
>       var nameServices = configs['hdfs-site']['dfs.nameservices'];
>       var suffix = (configs['hdfs-site']['dfs.namenode.http-address.' + nameServices
+ '.nn1'] === sourceHostName + ':50070') ? '.nn1' : '.nn2';
>       configs['hdfs-site']['dfs.namenode.http-address.' + nameServices + suffix] = targetHostName
+ ':50070';
>       ...
>     }
> {code}



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