[AMBARI-20553] Ambari script error for ams-hbase while writing to Amazon s3 on a cluster with no HDFS.

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.5.1
• Fix Version/s: trunk, 2.5.1
• Component/s: ambari-metrics
• Assignee: Aravindan Vijayan
• Reporter: Aravindan Vijayan
• Created: 23/Mar/17 23:56
• Updated: 16/Feb/18 13:13
• Resolved: 29/Mar/17 21:17

Description

Metrics collector startup scripts fail to handle s3 paths in configurations:

      {
        "hbase-site":{
          "properties":{
            "hbase.rootdir":"s3a://ss-datasets/apps/hbase/",
            "hbase.wal.dir":"file:///usr/lib/ams-hbase/data"
          }
        }

Traceback (most recent call last):
  File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/0.1.0/package/scripts/metrics_collector.py", line 150, in <module>
    AmsCollector().execute()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 313, in execute
    method(env)
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 766, in restart
    self.start(env)
  File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/0.1.0/package/scripts/metrics_collector.py", line 48, in start
    self.configure(env, action = 'start') # for security
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 116, in locking_configure
    original_configure(obj, *args, **kw)
  File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/0.1.0/package/scripts/metrics_collector.py", line 43, in configure
    hbase('master', action)
  File "/usr/lib/python2.6/site-packages/ambari_commons/os_family_impl.py", line 89, in thunk
    return fn(*args, **kwargs)
  File "/var/lib/ambari-agent/cache/common-services/AMBARI_METRICS/0.1.0/package/scripts/hbase.py", line 213, in hbase
    dfs_type=params.dfs_type
  File "/usr/lib/python2.6/site-packages/resource_management/core/base.py", line 155, 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/libraries/providers/hdfs_resource.py", line 555, in action_create_on_execute
    self.action_delayed("create")
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/providers/hdfs_resource.py", line 552, in action_delayed
    self.get_hdfs_resource_executor().action_delayed(action_name, self)
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/providers/hdfs_resource.py", line 279, in action_delayed
    self._assert_valid()
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/providers/hdfs_resource.py", line 238, in _assert_valid
    self.target_status = self._get_file_status(target)
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/providers/hdfs_resource.py", line 381, in _get_file_status
    list_status = self.util.run_command(target, 'GETFILESTATUS', method='GET', ignore_status_codes=['404'], assertable_result=False)
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/providers/hdfs_resource.py", line 186, in run_command
    _, out, err = get_user_call_output(cmd, user=self.run_user, logoutput=self.logoutput, quiet=False)
  File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/get_user_call_output.py", line 61, in get_user_call_output
    raise ExecutionFailed(err_msg, code, files_output[0], files_output[1])
resource_management.core.exceptions.ExecutionFailed: Execution of 'curl -sS -L -w '%{http_code}' -X GET 'http://<host>:50070/webhdfs/v1s3a:/ss-datasets/apps/hbase?op=GETFILESTATUS&user.name=hdfs' 1>/tmp/tmpjkn3uB 2>/tmp/tmpCVb8Kl' returned 7. curl: (7) Failed to connect to <host> port 50070: Connection refused
000

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