X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FSetupFramework.py;h=9aff15278e6ecda3a234706a6569c410f41f268e;hb=494c42cf77c2571a64854256a68abd7f180cd5d6;hp=500812826af49f4744ad1933803d1b9659ac6527;hpb=e4744a48fa82c226162351d7598827efa610e0ec;p=csit.git diff --git a/resources/libraries/python/SetupFramework.py b/resources/libraries/python/SetupFramework.py index 500812826a..9aff15278e 100644 --- a/resources/libraries/python/SetupFramework.py +++ b/resources/libraries/python/SetupFramework.py @@ -1,4 +1,4 @@ -# Copyright (c) 2016 Cisco and/or its affiliates. +# 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: @@ -16,18 +16,18 @@ nodes. All tasks required to be run before the actual tests are started is supposed to end up here. """ +import datetime +from os import environ, remove +from os.path import basename from shlex import split -from subprocess import Popen, PIPE, call -from multiprocessing import Pool +from subprocess import Popen, PIPE from tempfile import NamedTemporaryFile -from os.path import basename -from os import environ +import threading 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.Constants import Constants as con from resources.libraries.python.topology import NodeType __all__ = ["SetupFramework"] @@ -47,17 +47,17 @@ def pack_framework_dir(): directory = None if directory is not None: - tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="openvpp-testing-", + tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="csit-testing-", dir="{0}".format(directory)) else: - tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="openvpp-testing-") + tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="csit-testing-") file_name = tmpfile.name tmpfile.close() proc = Popen( split("tar --sparse --exclude-vcs --exclude=output*.xml " - "--exclude=./tmp --exclude=*.deb --exclude=*.rpm -zcf {0} .". - format(file_name)), stdout=PIPE, stderr=PIPE) + "--exclude=./tmp -zcf {0} ." + .format(file_name)), stdout=PIPE, stderr=PIPE) (stdout, stderr) = proc.communicate() logger.debug(stdout) @@ -65,7 +65,7 @@ def pack_framework_dir(): return_code = proc.wait() if return_code != 0: - raise Exception("Could not pack testing framework.") + raise RuntimeError("Could not pack testing framework.") return file_name @@ -84,6 +84,7 @@ def copy_tarball_to_node(tarball, node): ssh.connect(node) ssh.scp(tarball, "/tmp/") + logger.console('Copying tarball to {0} done'.format(node['host'])) def extract_tarball_at_node(tarball, node): @@ -96,20 +97,20 @@ def extract_tarball_at_node(tarball, node): :type tarball: str :type node: dict :returns: nothing - :raises Excpetion: When failed to unpack tarball. + :raises RuntimeError: When failed to unpack tarball. """ - logger.console('Extracting tarball to {0} on {1}'.format( - con.REMOTE_FW_DIR, node['host'])) + 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) + (ret_code, _, _) = ssh.exec_command( + 'sudo rm -rf {1}; mkdir {1} ; tar -zxf {0} -C {1}; rm -f {0}' + .format(tarball, con.REMOTE_FW_DIR), timeout=30) if ret_code != 0: - logger.error('Unpack error: {0}'.format(stderr)) - raise Exception('Failed to unpack {0} at node {1}'.format( - tarball, node['host'])) + raise RuntimeError('Failed to extract {0} at node {1}' + .format(tarball, node['host'])) + logger.console('Extracting tarball to {0} on {1} done' + .format(con.REMOTE_FW_DIR, node['host'])) def create_env_directory_at_node(node): @@ -118,120 +119,107 @@ def create_env_directory_at_node(node): :param node: Node to create virtualenv on. :type node: dict :returns: nothing - :raises Exception: When failed to setup virtualenv. + :raises RuntimeError: When failed to setup virtualenv. """ - logger.console('Extracting virtualenv, installing requirements.txt ' - 'on {0}'.format(node['host'])) + logger.console('Virtualenv setup including requirements.txt on {0}' + .format(node['host'])) ssh = SSH() ssh.connect(node) - (ret_code, stdout, stderr) = ssh.exec_command( + (ret_code, _, _) = ssh.exec_command( 'cd {0} && rm -rf env && ' 'virtualenv --system-site-packages --never-download 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 Exception('Virtualenv setup failed') - else: - logger.console('Virtualenv created on {0}'.format(node['host'])) + raise RuntimeError('Virtualenv setup including requirements.txt on {0}' + .format(node['host'])) + logger.console('Virtualenv on {0} created'.format(node['host'])) -# pylint: disable=broad-except -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. +def setup_node(node, tarball, remote_tarball, results=None): + """Copy a tarball to a node and extract it. - :param args: All parameters needed to setup one node. - :type args: tuple + :param node: A node where the tarball will be copied and extracted. + :param tarball: Local path of tarball to be copied. + :param remote_tarball: Remote path of the tarball. + :param results: A list where to store the result of node setup, optional. + :type node: dict + :type tarball: str + :type remote_tarball: str + :type results: list :returns: True - success, False - error :rtype: bool """ - tarball, remote_tarball, node = args try: copy_tarball_to_node(tarball, node) extract_tarball_at_node(remote_tarball, node) if node['type'] == NodeType.TG: create_env_directory_at_node(node) - except Exception as exc: - logger.error("Node {0} setup failed, error:'{1}'".format(node['host'], - exc.message)) - return False + except RuntimeError as exc: + logger.error("Node {0} setup failed, error:'{1}'" + .format(node['host'], exc.message)) + result = False else: logger.console('Setup of node {0} done'.format(node['host'])) - return True + result = True + + if isinstance(results, list): + results.append(result) + return result def delete_local_tarball(tarball): """Delete local tarball to prevent disk pollution. - :param tarball: Path to tarball to upload. + :param tarball: Path of local tarball to delete. :type tarball: str :returns: nothing """ - call(split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball))) + remove(tarball) -def delete_openvpp_testing_stuff(node): - """Delete openvpp-testing directory and tarball in /tmp/ on given node. +def delete_framework_dir(node): + """Delete framework directory in /tmp/ on given node. - :param node: Node to delete openvpp-testing stuff on. + :param node: Node to delete framework directory on. :type node: dict """ - logger.console('Deleting openvpp-testing directory and tarball on {0}' + logger.console('Deleting framework directory on {0}' .format(node['host'])) ssh = SSH() ssh.connect(node) - (ret_code, stdout, stderr) = ssh.exec_command( - 'cd {0} && sudo rm -rf openvpp-testing*'.format( - con.REMOTE_FW_DIR), timeout=100) - if ret_code != 0: - logger.console('Deleting opvenvpp-testing stuff failed on node {0}: {1}' - .format(node, stdout + stderr)) - - -def remove_env_directory_at_node(node): - """Remove virtualenv directory on given node. - - :param node: Node to remove virtualenv on. - :type node: dict - """ - logger.console('Removing virtualenv directory on {0}'.format(node['host'])) - ssh = SSH() - ssh.connect(node) - (ret_code, stdout, stderr) = ssh.exec_command( - 'cd {0} && sudo rm -rf openvpp-testing*' + (ret_code, _, _) = ssh.exec_command( + 'sudo rm -rf {0}' .format(con.REMOTE_FW_DIR), timeout=100) if ret_code != 0: - logger.console('Virtualenv removing failed on node {0}: {1}'.format( - node, stdout + stderr)) - + raise RuntimeError('Deleting framework directory on {0} failed' + .format(node)) -# pylint: disable=broad-except -def cleanup_node(node): - """Run all clean-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. +def cleanup_node(node, results=None): + """Delete a tarball from a node. - :param node: Node to do cleanup on. + :param node: A node where the tarball will be delete. + :param results: A list where to store the result of node cleanup, optional. :type node: dict + :type results: list :returns: True - success, False - error :rtype: bool """ try: - delete_openvpp_testing_stuff(node) - if node['type'] == NodeType.TG: - remove_env_directory_at_node(node) - except Exception as exc: - logger.error("Node {0} cleanup failed, error:'{1}'".format( - node['host'], exc.message)) - return False + delete_framework_dir(node) + except RuntimeError: + logger.error("Cleanup of node {0} failed".format(node['host'])) + result = False else: logger.console('Cleanup of node {0} done'.format(node['host'])) - return True + result = True + + if isinstance(results, list): + results.append(result) + return result class SetupFramework(object): @@ -248,6 +236,7 @@ class SetupFramework(object): :param nodes: Topology nodes. :type nodes: dict + :raises RuntimeError: If setup framework failed. """ tarball = pack_framework_dir() @@ -256,26 +245,30 @@ class SetupFramework(object): 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() + results = [] + threads = [] - # Turn on logging - BuiltIn().set_log_level(log_level) + for node in nodes.values(): + thread = threading.Thread(target=setup_node, args=(node, + tarball, + remote_tarball, + results)) + thread.start() + threads.append(thread) logger.info( - 'Executing node setups in parallel, waiting for processes to end') - result.wait() + 'Executing node setups in parallel, waiting for threads to end') + + for thread in threads: + thread.join() - logger.info('Results: {0}'.format(result.get())) + logger.info('Results: {0}'.format(results)) - logger.trace('Test framework copied to all topology nodes') delete_local_tarball(tarball) - logger.console('All nodes are ready') + if all(results): + logger.console('All nodes are ready') + else: + raise RuntimeError('Failed to setup framework') class CleanupFramework(object): @@ -283,27 +276,31 @@ class CleanupFramework(object): @staticmethod def cleanup_framework(nodes): - """Perform cleaning on each node. + """Perform cleanup on each node. :param nodes: Topology nodes. :type nodes: dict + :raises RuntimeError: If cleanup framework failed. """ - # Turn off logging since we use multiprocessing - log_level = BuiltIn().set_log_level('NONE') - params = (node for node in nodes.values()) - pool = Pool(processes=len(nodes)) - result = pool.map_async(cleanup_node, params) - pool.close() - pool.join() - # Turn on logging - BuiltIn().set_log_level(log_level) + results = [] + threads = [] + + for node in nodes.values(): + thread = threading.Thread(target=cleanup_node, + args=(node, results)) + thread.start() + threads.append(thread) logger.info( - 'Executing node cleanups in parallel, waiting for processes to end') - result.wait() + 'Executing node cleanups in parallel, waiting for threads to end') + + for thread in threads: + thread.join() - logger.info('Results: {0}'.format(result.get())) + logger.info('Results: {0}'.format(results)) - logger.trace('All topology nodes cleaned up') - logger.console('All nodes cleaned up') + if all(results): + logger.console('All nodes cleaned up') + else: + raise RuntimeError('Failed to cleaned up framework')