From d68c77c3fe1a3c1b5010efed0087ca0537510296 Mon Sep 17 00:00:00 2001 From: Peter Mikus Date: Tue, 26 Jun 2018 08:45:06 +0000 Subject: FIX: SetupFramework to detect failures - Fix behavior of setup framework to properly detect and raise exception in case of any issue occurs during framework setup on any node - General code cleanup Change-Id: Id4cf36e221817600164b25d5551582838b0f0d5e Signed-off-by: Peter Mikus --- resources/libraries/python/SetupFramework.py | 122 +++++++++++++-------------- 1 file changed, 57 insertions(+), 65 deletions(-) (limited to 'resources') diff --git a/resources/libraries/python/SetupFramework.py b/resources/libraries/python/SetupFramework.py index 500812826a..61a0234692 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: @@ -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 --exclude=*.deb --exclude=*.rpm -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 @@ -96,20 +96,18 @@ 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'])) def create_env_directory_at_node(node): @@ -118,26 +116,25 @@ 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') + raise RuntimeError('Virtualenv setup including requirements.txt on {0}' + .format(node['host'])) else: - logger.console('Virtualenv created 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. @@ -155,9 +152,9 @@ def setup_node(args): 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)) + except RuntimeError as exc: + logger.error("Node {0} setup failed, error:'{1}'" + .format(node['host'], exc.message)) return False else: logger.console('Setup of node {0} done'.format(node['host'])) @@ -174,42 +171,24 @@ def delete_local_tarball(tarball): call(split('sh -c "rm {0} > /dev/null 2>&1"'.format(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. @@ -222,12 +201,9 @@ def cleanup_node(node): :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)) + delete_framework_dir(node) + except RuntimeError: + logger.error("Cleanup of node {0} failed".format(node['host'])) return False else: logger.console('Cleanup of node {0} done'.format(node['host'])) @@ -248,6 +224,8 @@ class SetupFramework(object): :param nodes: Topology nodes. :type nodes: dict + :returns: True - success, False - error + :rtype: bool """ tarball = pack_framework_dir() @@ -271,11 +249,17 @@ class SetupFramework(object): 'Executing node setups in parallel, waiting for processes to end') result.wait() - logger.info('Results: {0}'.format(result.get())) + results = result.get() + node_success = all(results) + 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 node_success: + logger.console('All nodes are ready') + return True + else: + logger.console('Failed to setup framework') + return False class CleanupFramework(object): @@ -287,6 +271,8 @@ class CleanupFramework(object): :param nodes: Topology nodes. :type nodes: dict + :returns: True - success, False - error + :rtype: bool """ # Turn off logging since we use multiprocessing log_level = BuiltIn().set_log_level('NONE') @@ -303,7 +289,13 @@ class CleanupFramework(object): 'Executing node cleanups in parallel, waiting for processes to end') result.wait() - logger.info('Results: {0}'.format(result.get())) + results = result.get() + node_success = all(results) + logger.info('Results: {0}'.format(results)) - logger.trace('All topology nodes cleaned up') - logger.console('All nodes cleaned up') + if node_success: + logger.console('All nodes cleaned up') + return True + else: + logger.console('Failed to cleaned up framework') + return False -- cgit 1.2.3-korg