b189933c39
Change-Id: I1c7cdbbf16c137a6739447d2776595725b798b54 Signed-off-by: Stefan Kobza <skobza@cisco.com>
93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
# Copyright (c) 2015 Cisco and/or its affiliates.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at:
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import shlex
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from ssh import SSH
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from subprocess import Popen, PIPE, call
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from tempfile import NamedTemporaryFile
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from os.path import basename
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from constants import Constants as con
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from robot.api import logger
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__all__ = ["SetupFramework"]
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class SetupFramework(object):
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"""Setup suite run on topology nodes.
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Many VAT/CLI based tests need the scripts at remote hosts before executing
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them. This class packs the whole testing directory and copies it over
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to all nodes in topology under /tmp/
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"""
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def __init__(self):
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pass
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def __pack_framework_dir(self):
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"""Pack the testing WS into temp file, return its name."""
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tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="openvpp-testing-")
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file_name = tmpfile.name
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tmpfile.close()
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proc = Popen(shlex.split("tar -zcf {0} .".format(file_name)),
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stdout=PIPE, stderr=PIPE)
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(stdout, stderr) = proc.communicate()
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logger.debug(stdout)
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logger.debug(stderr)
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return_code = proc.wait()
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if 0 != return_code:
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raise Exception("Could not pack testing framework.")
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return file_name
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def __copy_tarball_to_node(self, tarball, node):
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logger.console('Copying tarball to {0}'.format(node['host']))
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ssh = SSH()
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ssh.connect(node)
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ssh.scp(tarball, "/tmp/")
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def __extract_tarball_at_node(self, tarball, node):
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logger.console('Extracting tarball to {0} on {1}'.format(
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con.REMOTE_FW_DIR, node['host']))
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ssh = SSH()
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ssh.connect(node)
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cmd = 'rm -rf {1}; mkdir {1} ; sudo -Sn tar -zxf {0} -C {1};'.format(
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tarball, con.REMOTE_FW_DIR)
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(ret_code, stdout, stderr) = ssh.exec_command(cmd, timeout=30)
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if 0 != ret_code:
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logger.error('Unpack error: {0}'.format(stderr))
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raise Exception('Failed to unpack {0} at node {1}'.format(
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tarball, node['host']))
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def __delete_local_tarball(self, tarball):
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call(shlex.split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball)))
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def setup_framework(self, nodes):
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"""Pack the whole directory and extract in temp on each node."""
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tarball = self.__pack_framework_dir()
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logger.console('Framework packed to {0}'.format(tarball))
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remote_tarball = "/tmp/{0}".format(basename(tarball))
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for node in nodes.values():
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self.__copy_tarball_to_node(tarball, node)
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self.__extract_tarball_at_node(remote_tarball, node)
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logger.trace('Test framework copied to all topology nodes')
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self.__delete_local_tarball(tarball)
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