Akhil S Naik created AMBARI-25064:
-------------------------------------

             Summary: Python Script Error while Trying to remove old HDP stack 
versions via curl
                 Key: AMBARI-25064
                 URL: https://issues.apache.org/jira/browse/AMBARI-25064
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.7.3
            Reporter: Akhil S Naik


When i am trying to use the curl mentioned in JIRA : 
https://issues.apache.org/jira/browse/AMBARI-18435
I am facing below exception . I am using ambari-2.7.3 version 
{code:java}
Traceback (most recent call last):
  File 
"/var/lib/ambari-agent/cache/custom_actions/scripts/remove_previous_stacks.py", 
line 119, in <module>
    RemovePreviousStacks().execute()
  File 
"/usr/lib/ambari-agent/lib/resource_management/libraries/script/script.py", 
line 352, in execute
    method(env)
  File 
"/var/lib/ambari-agent/cache/custom_actions/scripts/remove_previous_stacks.py", 
line 49, in actionexecute
    self.remove_stack_version(structured_output, low_version)
  File 
"/var/lib/ambari-agent/cache/custom_actions/scripts/remove_previous_stacks.py", 
line 54, in remove_stack_version
    packages_to_remove = self.get_packages_to_remove(version)
  File 
"/var/lib/ambari-agent/cache/custom_actions/scripts/remove_previous_stacks.py", 
line 77, in get_packages_to_remove
    all_installed_packages = self.pkg_provider.all_installed_packages()
AttributeError: 'YumManager' object has no attribute 'all_installed_packages'
{code}


Solution/workaround : 
https://community.hortonworks.com/articles/230893/remove-old-stack-versions-script-doesnt-work-in-am.html



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