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Diffstat (limited to 'resources/libraries/python/DPDK/SetupDPDKTest.py')
| -rw-r--r-- | resources/libraries/python/DPDK/SetupDPDKTest.py | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/resources/libraries/python/DPDK/SetupDPDKTest.py b/resources/libraries/python/DPDK/SetupDPDKTest.py deleted file mode 100644 index 1e88f8d8c1..0000000000 --- a/resources/libraries/python/DPDK/SetupDPDKTest.py +++ /dev/null @@ -1,234 +0,0 @@ -# Copyright (c) 2018 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. - -"""This module exists to provide setup utilities for the framework on topology -nodes. All tasks required to be run before the actual tests are started is -supposed to end up here. -""" - -from shlex import split -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 resources.libraries.python.ssh import SSH -from resources.libraries.python.constants import Constants as con -from resources.libraries.python.topology import NodeType -from resources.libraries.python.topology import Topology - -__all__ = ["SetupDPDKTest"] - - -def pack_framework_dir(): - """Pack the testing WS into temp file, return its name. - - :raise RuntimeError: If command returns nonzero return code.""" - - tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="DPDK-testing-") - file_name = tmpfile.name - tmpfile.close() - - proc = Popen( - 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 return_code != 0: - raise RuntimeError("Could not pack testing framework.") - - return file_name - - -def copy_tarball_to_node(tarball, node): - """Copy tarball file from local host to remote node. - - :param tarball: Path to tarball to upload. - :param node: Dictionary created from topology. - :type tarball: str - :type node: dict - :returns: nothing - """ - 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): - """Extract tarball at given node. - - Extracts tarball using tar on given node to specific CSIT loocation. - - :param tarball: Path to tarball to upload. - :param node: Dictionary created from topology. - :type tarball: str - :type node: dict - :returns: nothing - :raise RuntimeError: If command returns nonzero return code. - """ - 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, _, stderr) = ssh.exec_command(cmd, timeout=30) - if ret_code != 0: - logger.error('Unpack error: {0}'.format(stderr)) - raise RuntimeError('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. - - :param node: Dictionary created from topology, will only install in the TG - :type node: dict - :returns: nothing - :raise RuntimeError: If command returns nonzero return code. - """ - 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), timeout=100) - if ret_code != 0: - logger.error('Virtualenv creation error: {0}'.format(stdout + stderr)) - raise RuntimeError('Virtualenv setup failed') - else: - logger.console('Virtualenv created on {0}'.format(node['host'])) - -def install_dpdk_test(node): - """ - Prepare the DPDK test envrionment - - :param node: Dictionary created from topology - :type node: dict - :returns: nothing - :raise RuntimeError: If command returns nonzero return code. - """ - arch = Topology.get_node_arch(node) - logger.console('Install the DPDK on {0} ({1})'.format(node['host'], - arch)) - - ssh = SSH() - ssh.connect(node) - - (ret_code, _, stderr) = ssh.exec_command( - 'cd {0}/tests/dpdk/dpdk_scripts/ && ./install_dpdk.sh {1}' - .format(con.REMOTE_FW_DIR, arch), timeout=600) - - if ret_code != 0: - logger.error('Install the DPDK error: {0}'.format(stderr)) - raise RuntimeError('Install the DPDK failed') - else: - logger.console('Install the DPDK on {0} success!'.format(node['host'])) - -def setup_node(args): - """Run all set-up methods for a node. - - This method is used as map_async parameter. It receives tuple with all - parameters as passed to map_async function. - - :param args: All parameters needed to setup one node. - :type args: tuple - :returns: True - success, False - error - :rtype: bool - """ - tarball, remote_tarball, node = args - - # if unset, arch defaults to x86_64 - if 'arch' not in node or not node['arch']: - node['arch'] = 'x86_64' - - try: - copy_tarball_to_node(tarball, node) - extract_tarball_at_node(remote_tarball, node) - if node['type'] == NodeType.DUT: - install_dpdk_test(node) - if node['type'] == NodeType.TG: - create_env_directory_at_node(node) - except RuntimeError as exc: - logger.error("Node setup failed, error:'{0}'".format(exc.message)) - return False - else: - logger.console('Setup of node {0} done'.format(node['host'])) - return True - -def delete_local_tarball(tarball): - """Delete local tarball to prevent disk pollution. - - :param tarball: Path to tarball to upload. - :type tarball: str - :returns: nothing - """ - call(split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball))) - - -class SetupDPDKTest(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/ - """ - - @staticmethod - def setup_dpdk_test(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 logging 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() - - # Turn on logging - BuiltIn().set_log_level(log_level) - - logger.info( - 'Executed node setups in parallel, waiting for processes to end') - result.wait() - - results = result.get() - node_setup_success = all(results) - logger.info('Results: {0}'.format(results)) - - logger.trace('Test framework copied to all topology nodes') - delete_local_tarball(tarball) - if node_setup_success: - logger.console('All nodes are ready') - else: - logger.console('Failed to setup dpdk on all the nodes') |