[jira] [Reopened] (AMBARI-22016) changeToSecureUid.sh might collide with existing user if it is not a local user but a network managed user

["Jonathan Hurley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-22016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Hurley reopened AMBARI-22016:
--------------------------------------

Had to revert this change as it was causing deploy problems:

{code}
Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY/scripts/hook.py", line 35, in <module>
    BeforeAnyHook().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 367, in execute
    method(env)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY/scripts/hook.py", line 29, in hook
    setup_users()
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY/scripts/shared_initialization.py", line 55, in setup_users
    set_uid(params.smoke_user, params.smoke_user_dirs)
  File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-ANY/scripts/shared_initialization.py", line 144, in set_uid
    not_if = format("(test $(id -u {user}) -gt 1000) || ({ignore_groupsusers_create_str})"))
  File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 166, in __init__
    self.env.run()
  File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 160, in run
    self.run_action(resource, action)
  File "/usr/lib/python2.6/site-packages/resource_management/core/environment.py", line 124, in run_action
    provider_action()
  File "/usr/lib/python2.6/site-packages/resource_management/core/providers/system.py", line 262, in action_run
    tries=self.resource.tries, try_sleep=self.resource.try_sleep)
  File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 72, in inner
    result = function(command, **kwargs)
  File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 102, in checked_call
    tries=tries, try_sleep=try_sleep, timeout_kill_strategy=timeout_kill_strategy)
  File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 150, in _call_wrapper
    result = _call(command, **kwargs_copy)
  File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 303, in _call
    raise ExecutionFailed(err_msg, code, out, err)
{code}

> changeToSecureUid.sh might collide with existing user if it is not a local user but a network managed user
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-22016
>                 URL: https://issues.apache.org/jira/browse/AMBARI-22016
>             Project: Ambari
>          Issue Type: Bug
>          Components: stacks
>    Affects Versions: 2.5.2
>         Environment: Using Centos as the test bed
>            Reporter: Aman Poonia
>            Assignee: Aman Poonia
>             Fix For: 2.6.1
>
>         Attachments: AMBARI-22016.patch, AMBARI-22016_branch-2.6.patch
>
>
> changeToSecureUid.sh might collide with existing user if it is not a local user but a network managed user
> Currently we are doing 
> {code:java}
> function find_available_uid() {
>  for ((i=1001; i<=2000; i++))
>  do
>    grep -q $i /etc/passwd
>    if [ "$?" -ne 0 ]
>    then
>     newUid=$i
>     break
>    fi
>  done
> }
> {code}
> This will only check local user. Network manged users are not directly present inside passwd file.



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