[AMBARI-12676] Upgrades Fail When Calling conf-select On hadoop When hadoop Is Not Installed

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.1
• Component/s: ambari-agent

Environment

• 4-node cluster with HDFS, YARN, ZK
• Ensure that the 4th node has nothing except for ZK server/client (ie no hadoop components)

• Assignee: Jonathan Hurley
• Reporter: Jonathan Hurley
• Created: 07/Aug/15 14:47
• Updated: 07/Aug/15 22:40
• Resolved: 07/Aug/15 18:34

Description

Traceback (most recent call last): 
File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py", line 40, in <module> 
BeforeStartHook().execute() 
File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 218, in execute 
method(env) 
File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py", line 28, in hook 
import params 
File "/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/params.py", line 111, in <module> 
hadoop_conf_dir = conf_select.get_hadoop_conf_dir(force_latest_on_upgrade=True) 
File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/conf_select.py", line 273, in get_hadoop_conf_dir 
select(stack_name, "hadoop", stack_version) 
File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/conf_select.py", line 241, in select 
shell.checked_call(get_cmd("set-conf-dir", package, version), logoutput=False, quiet=False, sudo=True) 
File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 70, in inner 
result = function(command, **kwargs) 
File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 92, in checked_call 
tries=tries, try_sleep=try_sleep) 
File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 140, in _call_wrapper 
result = _call(command, **kwargs_copy) 
File "/usr/lib/python2.6/site-packages/resource_management/core/shell.py", line 291, in _call 
raise Fail(err_msg) 
resource_management.core.exceptions.Fail: Execution of 'conf-select set-conf-dir --package hadoop --stack-version 2.3.0.0-2557 --conf-version 0' returned 1. hadoop not installed or incorrect package name 
Error: Error: Unable to run the custom hook script ['/usr/bin/python2.6', '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START/scripts/hook.py', 'START', '/var/lib/ambari-agent/data/command-2262.json', '/var/lib/ambari-agent/cache/stacks/HDP/2.0.6/hooks/before-START', '/var/lib/ambari-agent/data/structured-out-2262.json', 'INFO', '/var/lib/ambari-agent/data/tmp']

This is a special case for "hadoop" since it's the before-START script hooks that are invoking it. It manifests where starting a component on a host that doesn't have hadoop installed (daemons or clients).

Issue Links

• links to: Reviewboard