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authorStefan Kobza <skobza@cisco.com>2016-01-11 18:03:25 +0100
committerStefan Kobza <skobza@cisco.com>2016-02-08 22:38:32 +0100
commit33499c81c94c2d3baef9d3e9f061cd76ef86fa74 (patch)
tree2d000ba17b821339a05e0c039f71e48e09553de9 /resources/libraries/python/SetupFramework.py
parent5cbeca02602061d32212e14f289d65cf648920e4 (diff)
New version of RF tests.
Change-Id: I241a2b7a7706e65f71cfd4a62e2a40f053fc5d07 Signed-off-by: Stefan Kobza <skobza@cisco.com>
Diffstat (limited to 'resources/libraries/python/SetupFramework.py')
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diff --git a/resources/libraries/python/SetupFramework.py b/resources/libraries/python/SetupFramework.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.
+
+import shlex
+from subprocess import Popen, PIPE, call
+from multiprocessing import Pool
+from tempfile import NamedTemporaryFile
+from os.path import basename
+from robot.api import logger
+from robot.libraries.BuiltIn import BuiltIn
+from ssh import SSH
+from constants import Constants as con
+from topology import NodeType
+
+__all__ = ["SetupFramework"]
+
+
+def pack_framework_dir():
+ """Pack the testing WS into temp file, return its name."""
+
+ tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="openvpp-testing-")
+ file_name = tmpfile.name
+ tmpfile.close()
+
+ proc = Popen(
+ shlex.split("tar --exclude-vcs -zcf {0} .".format(file_name)),
+ stdout=PIPE, stderr=PIPE)
+ (stdout, stderr) = proc.communicate()
+
+ logger.debug(stdout)
+ logger.debug(stderr)
+
+ return_code = proc.wait()
+ if 0 != return_code:
+ raise Exception("Could not pack testing framework.")
+
+ return file_name
+
+
+def copy_tarball_to_node(tarball, node):
+ logger.console('Copying tarball to {0}'.format(node['host']))
+ ssh = SSH()
+ ssh.connect(node)
+
+ ssh.scp(tarball, "/tmp/")
+
+
+def extract_tarball_at_node(tarball, node):
+ logger.console('Extracting tarball to {0} on {1}'.format(
+ con.REMOTE_FW_DIR, node['host']))
+ ssh = SSH()
+ ssh.connect(node)
+
+ cmd = 'sudo rm -rf {1}; mkdir {1} ; tar -zxf {0} -C {1}; ' \
+ 'rm -f {0}'.format(tarball, con.REMOTE_FW_DIR)
+ (ret_code, stdout, stderr) = ssh.exec_command(cmd, timeout=30)
+ if 0 != ret_code:
+ logger.error('Unpack error: {0}'.format(stderr))
+ raise Exception('Failed to unpack {0} at node {1}'.format(
+ tarball, node['host']))
+
+
+def create_env_directory_at_node(node):
+ """Create fresh virtualenv to a directory, install pip requirements."""
+ logger.console('Extracting virtualenv, installing requirements.txt '
+ 'on {0}'.format(node['host']))
+ ssh = SSH()
+ ssh.connect(node)
+ (ret_code, stdout, stderr) = ssh.exec_command(
+ 'cd {0} && rm -rf env && virtualenv env && '
+ '. env/bin/activate && '
+ 'pip install -r requirements.txt'.format(con.REMOTE_FW_DIR))
+ if 0 != ret_code:
+ logger.error('Virtualenv creation error: {0}'.format(stdout + stderr))
+ raise Exception('Virtualenv setup failed')
+
+
+def setup_node(args):
+ tarball, remote_tarball, node = args
+ copy_tarball_to_node(tarball, node)
+ extract_tarball_at_node(remote_tarball, node)
+ if node['type'] == NodeType.TG:
+ create_env_directory_at_node(node)
+
+
+def delete_local_tarball(tarball):
+ call(shlex.split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball)))
+
+
+class SetupFramework(object):
+ """Setup suite run on topology nodes.
+
+ Many VAT/CLI based tests need the scripts at remote hosts before executing
+ them. This class packs the whole testing directory and copies it over
+ to all nodes in topology under /tmp/
+ """
+
+ def __init__(self):
+ pass
+
+ def setup_framework(self, nodes):
+ """Pack the whole directory and extract in temp on each node."""
+
+ tarball = pack_framework_dir()
+ msg = 'Framework packed to {0}'.format(tarball)
+ logger.console(msg)
+ logger.trace(msg)
+ remote_tarball = "/tmp/{0}".format(basename(tarball))
+
+ # Turn off loggining since we use multiprocessing
+ log_level = BuiltIn().set_log_level('NONE')
+ params = ((tarball, remote_tarball, node) for node in nodes.values())
+ pool = Pool(processes=len(nodes))
+ result = pool.map_async(setup_node, params)
+ pool.close()
+ pool.join()
+
+ logger.info(
+ 'Executed node setups in parallel, waiting for processes to end')
+ result.wait()
+
+ logger.info('Results: {0}'.format(result.get()))
+
+ # Turn on loggining
+ BuiltIn().set_log_level(log_level)
+ logger.trace('Test framework copied to all topology nodes')
+ delete_local_tarball(tarball)