-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2019 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:
# 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
+"""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 os import environ, remove
from os.path import basename
+from tempfile import NamedTemporaryFile
+import threading
+
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
+
+from resources.libraries.python.Constants import Constants as con
+from resources.libraries.python.ssh import exec_cmd_no_error, scp_node
+from resources.libraries.python.LocalExecution import run
+from resources.libraries.python.topology import NodeType
__all__ = ["SetupFramework"]
def pack_framework_dir():
- """Pack the testing WS into temp file, return its name."""
+ """Pack the testing WS into temp file, return its name.
- tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="openvpp-testing-")
- file_name = tmpfile.name
- tmpfile.close()
+ :returns: Tarball file name.
+ :rtype: str
+ :raises Exception: When failed to pack testing framework.
+ """
- proc = Popen(
- shlex.split("tar --exclude-vcs -zcf {0} .".format(file_name)),
- stdout=PIPE, stderr=PIPE)
- (stdout, stderr) = proc.communicate()
+ try:
+ directory = environ["TMPDIR"]
+ except KeyError:
+ directory = None
- logger.debug(stdout)
- logger.debug(stderr)
+ if directory is not None:
+ tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="csit-testing-",
+ dir="{0}".format(directory))
+ else:
+ tmpfile = NamedTemporaryFile(suffix=".tgz", prefix="csit-testing-")
+ file_name = tmpfile.name
+ tmpfile.close()
- return_code = proc.wait()
- if 0 != return_code:
- raise Exception("Could not pack testing framework.")
+ run(["tar", "--sparse", "--exclude-vcs", "--exclude=output*.xml",
+ "--exclude=./tmp", "-zcf", file_name, "."],
+ msg="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)
+ """Copy tarball file from local host to remote node.
- ssh.scp(tarball, "/tmp/")
+ :param tarball: Path to tarball to upload.
+ :param node: Dictionary created from topology.
+ :type tarball: str
+ :type node: dict
+ :returns: nothing
+ """
+ host = node['host']
+ logger.console('Copying tarball to {0} starts.'.format(host))
+ scp_node(node, tarball, "/tmp/")
+ logger.console('Copying tarball to {0} done.'.format(host))
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)
+ """Extract tarball at given 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']))
+ Extracts tarball using tar on given node to specific CSIT location.
+
+ :param tarball: Path to tarball to upload.
+ :param node: Dictionary created from topology.
+ :type tarball: str
+ :type node: dict
+ :returns: nothing
+ :raises RuntimeError: When failed to unpack tarball.
+ """
+ host = node['host']
+ logger.console('Extracting tarball to {0} on {1} starts.'
+ .format(con.REMOTE_FW_DIR, host))
+ exec_cmd_no_error(
+ node, "sudo rm -rf {1}; mkdir {1}; tar -zxf {0} -C {1};"
+ " rm -f {0}".format(tarball, con.REMOTE_FW_DIR),
+ message='Failed to extract {0} at node {1}'.format(tarball, host),
+ timeout=30, include_reason=True)
+ logger.console('Extracting tarball to {0} on {1} done.'
+ .format(con.REMOTE_FW_DIR, 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 install_dependencies(node):
- """TEMPORARY FUNCTION TO INSTALL DEPENDENCIES ON NODES BEFORE THE VIRL
- HOSTS HAVE ALL PREREQUISITES INSTALLED"""
- logger.console('Installing prerequisites on {0}'.format(node['host']))
- ssh = SSH()
- ssh.connect(node)
- (ret_code, stdout, stderr) = ssh.exec_command(
- 'sudo apt-get -y update; ' \
- 'sudo apt-get -y install python-virtualenv python-dev', timeout=120)
- if 0 != ret_code:
- logger.error('Failed to install prerequisites: {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)
- install_dependencies(node)
- if node['type'] == NodeType.TG:
- create_env_directory_at_node(node)
+ """Create fresh virtualenv to a directory, install pip requirements.
+
+ :param node: Node to create virtualenv on.
+ :type node: dict
+ :returns: nothing
+ :raises RuntimeError: When failed to setup virtualenv.
+ """
+ host = node['host']
+ logger.console('Virtualenv setup including requirements.txt on {0} starts.'
+ .format(host))
+ exec_cmd_no_error(
+ node, 'cd {0} && rm -rf env'
+ ' && virtualenv --system-site-packages --never-download env'
+ ' && source env/bin/activate && pip install -r requirements.txt'
+ .format(con.REMOTE_FW_DIR), timeout=100, include_reason=True,
+ message="Failed install at node {host}".format(host=host))
+ logger.console('Virtualenv setup on {0} done.'.format(host))
+
+
+def setup_node(node, tarball, remote_tarball, results=None):
+ """Copy a tarball to a node and extract it.
+
+ :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
+ """
+ host = node['host']
+ 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 RuntimeError as exc:
+ logger.console("Node {node} setup failed, error: {err!r}".format(
+ node=host, err=exc))
+ result = False
+ else:
+ logger.console('Setup of node {ip} done.'.format(ip=host))
+ result = True
+
+ if isinstance(results, list):
+ results.append(result)
+ return result
def delete_local_tarball(tarball):
- call(shlex.split('sh -c "rm {0} > /dev/null 2>&1"'.format(tarball)))
+ """Delete local tarball to prevent disk pollution.
+
+ :param tarball: Path of local tarball to delete.
+ :type tarball: str
+ :returns: nothing
+ """
+ remove(tarball)
+
+
+def delete_framework_dir(node):
+ """Delete framework directory in /tmp/ on given node.
+
+ :param node: Node to delete framework directory on.
+ :type node: dict
+ """
+ host = node['host']
+ logger.console(
+ 'Deleting framework directory on {0} starts.'.format(host))
+ exec_cmd_no_error(
+ node, 'sudo rm -rf {0}'.format(con.REMOTE_FW_DIR),
+ message="Framework delete failed at node {host}".format(host=host),
+ timeout=100, include_reason=True)
+ logger.console(
+ 'Deleting framework directory on {0} done.'.format(host))
+
+
+def cleanup_node(node, results=None):
+ """Delete a tarball from a node.
+
+ :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
+ """
+ host = node['host']
+ try:
+ delete_framework_dir(node)
+ except RuntimeError:
+ logger.error("Cleanup of node {0} failed.".format(host))
+ result = False
+ else:
+ logger.console('Cleanup of node {0} done.'.format(host))
+ result = True
+
+ if isinstance(results, list):
+ results.append(result)
+ return result
class SetupFramework(object):
to all nodes in topology under /tmp/
"""
- def __init__(self):
- pass
+ @staticmethod
+ def setup_framework(nodes):
+ """Pack the whole directory and extract in temp on each node.
- def setup_framework(self, nodes):
- """Pack the whole directory and extract in temp on each node."""
+ :param nodes: Topology nodes.
+ :type nodes: dict
+ :raises RuntimeError: If setup framework failed.
+ """
tarball = pack_framework_dir()
msg = 'Framework packed to {0}'.format(tarball)
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()
+ results = []
+ threads = []
+
+ for node in nodes.values():
+ args = node, tarball, remote_tarball, results
+ thread = threading.Thread(target=setup_node, args=args)
+ thread.start()
+ threads.append(thread)
logger.info(
- 'Executed 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))
- # Turn on loggining
- BuiltIn().set_log_level(log_level)
- logger.trace('Test framework copied to all topology nodes')
delete_local_tarball(tarball)
+ if all(results):
+ logger.console('All nodes are ready.')
+ for node in nodes.values():
+ logger.info('Setup of {type} node {ip} done.'.
+ format(type=node['type'], ip=node['host']))
+ else:
+ raise RuntimeError('Failed to setup framework.')
+
+
+class CleanupFramework(object):
+ """Clean up suite run on topology nodes."""
+
+ @staticmethod
+ def cleanup_framework(nodes):
+ """Perform cleanup on each node.
+
+ :param nodes: Topology nodes.
+ :type nodes: dict
+ :raises RuntimeError: If cleanup framework failed.
+ """
+
+ 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 threads to end.')
+
+ for thread in threads:
+ thread.join()
+
+ logger.info('Results: {0}'.format(results))
+
+ if all(results):
+ logger.console('All nodes cleaned up.')
+ else:
+ raise RuntimeError('Failed to cleaned up framework.')
Code Review / csit.git / blobdiff