[jira] [Created] (AMBARI-21182) Agent Host Disk Usage Alert Hardcodes the Stack Directory

["Andrew Onischuk (JIRA)" <ji...@apache.org>]

Andrew Onischuk created AMBARI-21182:
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             Summary: Agent Host Disk Usage Alert Hardcodes the Stack Directory
                 Key: AMBARI-21182
                 URL: https://issues.apache.org/jira/browse/AMBARI-21182
             Project: Ambari
          Issue Type: Bug
            Reporter: Andrew Onischuk
            Assignee: Andrew Onischuk
             Fix For: 2.5.2
         Attachments: AMBARI-21182.patch

The Host Disk Usage alert currently hard codes the stack location directly
into the script:

    
    
    
    # the location where HDP installs components when using HDP 2.2+
    STACK_HOME_DIR = "/usr/hdp"
    # the location where HDP installs components when using HDP 2.0 to 2.1
    STACK_HOME_LEGACY_DIR = "/usr/lib"
    # determine the location of HDP home
      stack_home = None
      if os.path.isdir(STACK_HOME_DIR):
        stack_home = STACK_HOME_DIR
      elif os.path.isdir(STACK_HOME_LEGACY_DIR):
        stack_home = STACK_HOME_LEGACY_DIR
    

On clusters where a different stack is installed (such as `/usr/hdf`, the
above logic incorrectly checks the `STACK_HOME_LEGACY_DIR`.

  * The 2.0 and 2.1 code paths should be removed since they are not supported anymore.
  * We should parameterize STACK_HOME_DIR (or even better, use the stack features JSON structure) to determine the home location to check.





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