[
https://issues.apache.org/jira/browse/AMBARI-17550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365963#comment-15365963
]
Hudson commented on AMBARI-17550:
---------------------------------
SUCCESS: Integrated in Ambari-trunk-Commit #5245 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/5245/])
AMBARI-17550. While changing NN, DN directories from UI, proper warning
(aonishuk:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=e0f3b534b180281842f9a141b13a4b4de7d90696])
* ambari-server/src/test/python/stacks/2.2/common/test_stack_advisor.py
*
ambari-common/src/main/python/resource_management/libraries/functions/mounted_dirs_helper.py
* ambari-server/src/test/python/stacks/2.0.6/common/test_stack_advisor.py
* ambari-agent/src/test/python/resource_management/TestFileSystem.py
* ambari-agent/src/test/python/resource_management/TestDatanodeHelper.py
* ambari-server/src/main/resources/stacks/HDP/2.0.6/services/stack_advisor.py
* ambari-server/src/test/python/stacks/2.3/common/test_stack_advisor.py
*
ambari-common/src/main/python/resource_management/libraries/functions/file_system.py
> While changing NN, DN directories from UI, proper warning should be present
> for invalid values
> ----------------------------------------------------------------------------------------------
>
> Key: AMBARI-17550
> URL: https://issues.apache.org/jira/browse/AMBARI-17550
> Project: Ambari
> Issue Type: Bug
> Reporter: Andrew Onischuk
> Assignee: Andrew Onischuk
> Fix For: 2.4.0
>
> Attachments: AMBARI-17550.patch
>
>
> While changing NN and DN directories from ambari, for example:
> changing dn directories from **/grid/0/hadoop/hdfs/data** to **/grid/0/hadoop/
> hdfs/data,/grid/0/hadoop/hdfs/data1,/grid/0/hadoop/hdfs/data2**
> The values are changed without being validated
> This leads to datanodes start failing
>
>
>
> Traceback (most recent call last):
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/datanode.py",
> line 174, in <module>
> DataNode().execute()
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
> line 280, in execute
> method(env)
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
> line 709, in restart
> self.start(env, upgrade_type=upgrade_type)
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/datanode.py",
> line 60, in start
> self.configure(env)
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/datanode.py",
> line 55, in configure
> datanode(action="configure")
> File
> "/usr/lib/python2.6/site-packages/ambari_commons/os_family_impl.py", line 89,
> in thunk
> return fn(*args, **kwargs)
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/hdfs_datanode.py",
> line 53, in datanode
> data_dir_to_mount_file_content = handle_mounted_dirs(create_dirs,
> params.dfs_data_dirs, params.data_dir_mount_file, params)
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/mounted_dirs_helper.py",
> line 158, in handle_mounted_dirs
> raise Fail(message + " . Please turn off
> cluster-env/one_dir_per_partition or handle the situation manually.")
> resource_management.core.exceptions.Fail: Trying to create another
> directory on the following mount: /grid/0 . Please turn off
> cluster-env/one_dir_per_partition or handle the situation manually.
>
> The test fails because it set invalid value, and the directory was not
> created
> A warning message informing why the new directory name is invalid could be
> useful
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