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authorselias <samelias@cisco.com>2016-05-25 17:16:11 +0200
committerJan Gelety <jgelety@cisco.com>2016-06-07 20:19:50 +0000
commitce469c1a7d56c2be639e5cecde961c4ef6354fb5 (patch)
tree617a03045adb8426c59ac2758d5075fb3096d054 /resources/libraries/python/honeycomb/HcPersistence.py
parent6000b2abc3d6b8bb8ff2941aacf005a04a33be60 (diff)
Add Honeycomb persistence tests
JIRA: CSIT-121 - add honeycomb persistence test suite - add keywords used by persistence tests - add methods for working with Honeycomb persistence files - make suite setup clear persisted data before Honeycomb startup Change-Id: Ief61c12b730d58a456566c4683c0091e08a09b56 Signed-off-by: selias <samelias@cisco.com>
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diff --git a/resources/libraries/python/honeycomb/HcPersistence.py b/resources/libraries/python/honeycomb/HcPersistence.py
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+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed 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.
+
+"""Implementation of keywords for managing Honeycomb persistence files."""
+
+from robot.api import logger
+
+from resources.libraries.python.constants import Constants as Const
+from resources.libraries.python.honeycomb.HoneycombUtil import HoneycombError
+from resources.libraries.python.ssh import SSH
+from resources.libraries.python.topology import NodeType
+
+
+class HcPersistence(object):
+ """Implements keywords for managing Honeycomb persistence files.
+
+ The keywords implemented in this class make possible to:
+ - find and replace strings in config.json persistence file
+ """
+
+ def __init__(self):
+ pass
+
+ @staticmethod
+ def clear_persisted_honeycomb_config(*nodes):
+ """Remove configuration data persisted from last Honeycomb session.
+ Default configuration will be used instead.
+
+ :param nodes: List of DUTs to execute on.
+ :type nodes: list
+ :raises HoneycombError: If persisted configuration could not be removed.
+ """
+ cmd = "rm {0}/etc/opendaylight/honeycomb/*".format(
+ Const.REMOTE_HC_DIR)
+ for node in nodes:
+ if node['type'] == NodeType.DUT:
+ ssh = SSH()
+ ssh.connect(node)
+ (ret_code, _, stderr) = ssh.exec_command_sudo(cmd)
+ if ret_code != 0:
+ if "No such file or directory" not in stderr:
+ raise HoneycombError('Could not clear persisted '
+ 'configuration on node {0}, {1}'
+ .format(node['host'], stderr))
+ else:
+ logger.info("Persistence data was not present on node"
+ " {0}".format(node['host']))
+ else:
+ logger.info("Persistence files removed on node {0}"
+ .format(node['host']))
+
+ @staticmethod
+ def modify_persistence_files(node, find, replace):
+ """Searches contents of persistence file config.json for the provided
+ string, and replaces all occurrences with another string.
+
+ :param node: Honeycomb node.
+ :param find: Text to find in file.
+ :param replace: String to replace anything found with.
+ :type node: dict
+ :type find: string
+ :type replace: string
+ :raises HoneycombError: If persistent configuration couldn't be
+ modified.
+ """
+
+ argument = "\"s/{0}/{1}/g\"".format(find, replace)
+ path = "{0}/etc/opendaylight/honeycomb/config.json".format(
+ Const.REMOTE_HC_DIR)
+ command = "sed -i {0} {1}".format(argument, path)
+
+ ssh = SSH()
+ ssh.connect(node)
+ (ret_code, _, stderr) = ssh.exec_command_sudo(command)
+ if ret_code != 0:
+ raise HoneycombError("Failed to modify persistence file on node"
+ " {0}, {1}".format(node, stderr))