[AMBARI-23370] Download client configs fails due to 'clusterLevelParams' not found

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.7.0
• Labels: pull-request-available
• Assignee: Endre Major
• Reporter: Endre Major
• Created: 27/Mar/18 09:53
• Updated: 25/Apr/18 08:39
• Resolved: 25/Apr/18 08:38

Description

1. Install Ambari 2.6.0 with ZooKeeper
2. Upgrade to Ambari 2.7.0 (tested 2.7.0.0-115 with fix from apache/ambari#608)
3. Try to Download All Client Configs

Result: 500 Server Error

Execution of "ambari-python-wrap /var/lib/ambari-server/resources/common-services/ZOOKEEPER/3.4.5/package/scripts/zookeeper_client.py generate_configs /var/lib/ambari-server/data/tmp/ZOOKEEPER_CLIENT3308027289386152157-configuration.json /var/lib/ambari-server/resources/common-services/ZOOKEEPER/3.4.5/package /var/lib/ambari-server/data/tmp/structured-out.json INFO /var/lib/ambari-server/data/tmp" returned 1.
...
Traceback (most recent call last):
  File "/var/lib/ambari-server/resources/common-services/ZOOKEEPER/3.4.5/package/scripts/zookeeper_client.py", line 81, in <module>
    ZookeeperClient().execute()
  File "/usr/lib/ambari-server/lib/resource_management/libraries/script/script.py", line 377, in execute
    method(env)
  File "/usr/lib/ambari-server/lib/resource_management/libraries/script/script.py", line 1072, in generate_configs
    import params
  File "/var/lib/ambari-server/resources/common-services/ZOOKEEPER/3.4.5/package/scripts/params.py", line 26, in <module>
    from params_linux import *
  File "/var/lib/ambari-server/resources/common-services/ZOOKEEPER/3.4.5/package/scripts/params_linux.py", line 21, in <module>
    import status_params
  File "/var/lib/ambari-server/resources/common-services/ZOOKEEPER/3.4.5/package/scripts/status_params.py", line 53, in <module>
    stack_version_unformatted = str(config['clusterLevelParams']['stack_version'])
  File "/usr/lib/ambari-server/lib/resource_management/libraries/script/config_dictionary.py", line 73, in __getattr__
    raise Fail("Configuration parameter '" + self.name + "' was not found in configurations dictionary!")

Issue Links

• causes: AMBARI-23418 Fix and cleanup ClientConfigResourceProviderTest and TestHeartbeatHandler
• links to: GitHub Pull Request #802
• links to: GitHub Pull Request #914
• links to: GitHub Pull Request #987
• links to: GitHub Pull Request #1033