[jira] [Assigned] (AMBARI-15627) Ambari is expecting hadoop client package and configuration, even if no HDFS components are installed on this host

["Yusaku Sako (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-15627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yusaku Sako reassigned AMBARI-15627:
------------------------------------

    Assignee: Dmytro Grinenko

> Ambari is expecting hadoop client package and configuration, even if no HDFS components are installed on this host
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-15627
>                 URL: https://issues.apache.org/jira/browse/AMBARI-15627
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.2.2
>            Reporter: Dmytro Grinenko
>            Assignee: Dmytro Grinenko
>            Priority: Critical
>             Fix For: 2.2.2
>
>         Attachments: AMBARI-15627-branch-2.2.patch, AMBARI-15627.patch, AMBARI-15627.patch.1
>
>
> This happens during an ugprade from HDP 2.3.0 to 2.3.4.7. Couple nodes  have Kafka broker/Zookeeper installed with no clients or any other components. Hence, during the installation, there is no HDFS package installed on this node. However, during the start up Ambari expects this node to have /usr/hdp/current/hadoop-client/conf' during the start up:
> {code}
> Traceback (most recent call last): 
> File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py", line 39, in <module> 
> BeforeStartHook().execute() 
> File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 219, in execute 
> method(env) 
> File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py", line 36, in hook 
> create_topology_script_and_mapping() 
> File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/rack_awareness.py", line 69, in create_topology_script_and_mapping 
> create_topology_mapping() 
> File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/rack_awareness.py", line 36, in create_topology_mapping 
> group=params.user_group) 
> File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 154, in __init__ 
> self.env.run() 
> File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 158, in run 
> self.run_action(resource, action) 
> File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 121, in run_action 
> provider_action() 
> File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line 152, in action_create 
> sudo.makedirs(path, self.resource.mode or 0755) 
> File "/usr/lib/python2.6/site-packages/resource_management/core/sudo.py", line 55, in makedirs 
> os.makedirs(path, mode) 
> File "/usr/lib64/python2.6/os.py", line 157, in makedirs 
> mkdir(name, mode) 
> OSError: [Errno 2] No such file or directory: '/usr/hdp/current/hadoop-client/conf' 
> Error: Error: Unable to run the custom hook script ['/usr/bin/python2', '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py', 'START', '/var/lib/ambari-agent/data/command-3343.json', '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START', '/var/lib/ambari-agent/data/structured-out-3343.json', 'INFO', '/var/lib/ambari-agent/tmp']
> {code}



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