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From ababiic...@apache.org
Subject [21/31] ambari git commit: AMBARI-21435 Add python functions to get the Ambari version of the agent (mgergely)
Date Fri, 14 Jul 2017 12:38:11 GMT
AMBARI-21435 Add python functions to get the Ambari version of the agent (mgergely)

Change-Id: I9481b32babac92ad5d7496fe4abb208eefaac922


Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/383b8c7d
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/383b8c7d
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/383b8c7d

Branch: refs/heads/branch-feature-logsearch-ui
Commit: 383b8c7d83545bc4cb21058794e91b5a4aece425
Parents: e767aa4
Author: Miklos Gergely <mgergely@hortonworks.com>
Authored: Wed Jul 12 13:22:33 2017 +0200
Committer: Miklos Gergely <mgergely@hortonworks.com>
Committed: Wed Jul 12 13:22:33 2017 +0200

----------------------------------------------------------------------
 .../python/ambari_commons/get_ambari_version.py | 44 ++++++++++++++++++++
 1 file changed, 44 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ambari/blob/383b8c7d/ambari-common/src/main/python/ambari_commons/get_ambari_version.py
----------------------------------------------------------------------
diff --git a/ambari-common/src/main/python/ambari_commons/get_ambari_version.py b/ambari-common/src/main/python/ambari_commons/get_ambari_version.py
new file mode 100644
index 0000000..c8c5336
--- /dev/null
+++ b/ambari-common/src/main/python/ambari_commons/get_ambari_version.py
@@ -0,0 +1,44 @@
+#!/usr/bin/env python
+"""
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+"""
+
+import os
+import ConfigParser
+from resource_management.core.logger import Logger
+
+"""
+returns the ambari version on an agent host
+"""
+def get_ambari_version_agent():
+  ambari_version = None
+  AMBARI_AGENT_CONF = '/etc/ambari-agent/conf/ambari-agent.ini'
+  if os.path.exists(AMBARI_AGENT_CONF):
+    try:
+      ambari_agent_config = ConfigParser.RawConfigParser()
+      ambari_agent_config.read(AMBARI_AGENT_CONF)
+      data_dir = ambari_agent_config.get('agent', 'prefix')
+      ver_file = os.path.join(data_dir, 'version')
+      with open(ver_file, "r") as f:
+        ambari_version = f.read().strip()
+    except Exception, e:
+      Logger.info('Unable to determine ambari version from the agent version file.')
+      Logger.debug('Exception: %s' % str(e))
+      pass
+    pass
+  return ambari_version


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