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Project: L2/L3 forwarding performance toolkit for NFVi (NFVbench)
Project Creation Date: May 2nd 2017
Project Category:
Lifecycle State:
Primary Contact: Alec Hothan (ahothan@cisco.com)
Project Lead: Alec Hothan (ahothan@cisco.com)
Jira Project Name: L2 L3 forwarding performance toolkit for NFVi
Jira Project Prefix: NFVBENCH
Mailing list tag: [nfvbench]
IRC: Server:
Repository: nfvbench

Committers:
Alec Hothan (ahothan@cisco.com)
Carsten Rossenhövel (cross@eantc.com)
Frank Brockners (fbrockne@cisco.com)
Yichen Wang (yicwang@cisco.com)
Al Morton (acmorton@att.com)

Link to TSC approval of the project:

Acknowledgements
The development of NFVbench started in Summer 2016 at Cisco by this small team of dedicated people
before being open sourced in Spring 2017 to OPNFV following more than 500 commits:
 Jan Balaz (aka Johnny)
 Stefano Chiesa Suryanto
 Yichen Wang
 Alec Hothan
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#!/usr/bin/env python
#
# Author: Jose Lausuch (jose.lausuch@ericsson.com)
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
#

import argparse
import os
import re
import sys

import functest.ci.tier_builder as tb
import functest.utils.functest_logger as ft_logger
import functest.utils.functest_utils as ft_utils
import functest.utils.openstack_clean as os_clean
import functest.utils.openstack_snapshot as os_snapshot
import functest.utils.openstack_utils as os_utils


parser = argparse.ArgumentParser()
parser.add_argument("-t", "--test", dest="test", action='store',
                    help="Test case or tier (group of tests) to be executed. "
                    "It will run all the test if not specified.")
parser.add_argument("-n", "--noclean", help="Do not clean OpenStack resources"
                    " after running each test (default=false).",
                    action="store_true")
parser.add_argument("-r", "--report", help="Push results to database "
                    "(default=false).", action="store_true")
args = parser.parse_args()


""" logging configuration """
logger = ft_logger.Logger("run_tests").getLogger()


""" global variables """
REPOS_DIR = os.getenv('repos_dir')
FUNCTEST_REPO = ("%s/functest/" % REPOS_DIR)
EXEC_SCRIPT = ("%sci/exec_test.sh" % FUNCTEST_REPO)
CLEAN_FLAG = True
REPORT_FLAG = False


def print_separator(str, count=45):
    line = ""
    for i in range(0, count - 1):
        line += str
    logger.info("%s" % line)


def source_rc_file():
    rc_file = os.getenv('creds')
    if not os.path.isfile(rc_file):
        logger.error("RC file %s does not exist..." % rc_file)
        sys.exit(1)
    logger.info("Sourcing the OpenStack RC file...")
    os_utils.source_credentials(rc_file)


def generate_os_snapshot():
    os_snapshot.main()


def cleanup():
    os_clean.main()


def run_test(test):
    test_name = test.get_name()
    print_separator("=")
    logger.info("Running test case '%s'..." % test_name)
    print_separator("=")
    logger.debug("\n%s" % test)

    generate_os_snapshot()

    flags = (" -t %s" % (test_name))
    if REPORT_FLAG:
        flags += " -r"

    cmd = ("%s%s" % (EXEC_SCRIPT, flags))
    logger.debug("Executing command '%s'" % cmd)

    result = ft_utils.execute_command(cmd, logger, exit_on_error=False)

    if result != 0:
        logger.error("The test case '%s' failed. Cleaning and exiting."
                     % test_name)
        if CLEAN_FLAG:
            cleanup()
        sys.exit(1)

    if CLEAN_FLAG:
        cleanup()


def run_tier(tier):
    print_separator("#")
    logger.info("Running tier '%s'" % tier.get_name())
    print_separator("#")
    logger.debug("\n%s" % tier)
    for test in tier.get_tests():
        run_test(test)


def run_all(tiers):
    summary = ""
    BUILD_TAG = os.getenv('BUILD_TAG')
    if BUILD_TAG is not None and re.search("daily", BUILD_TAG) is not None:
        CI_LOOP = "daily"
    else:
        CI_LOOP = "weekly"

    tiers_to_run = []

    for tier in tiers.get_tiers():
        if re.search(CI_LOOP, tier.get_ci_loop()) is not None:
            tiers_to_run.append(tier)
            summary += ("\n    - %s. %s:\n\t   %s"
                        % (tier.get_order(),
                           tier.get_name(),
                           tier.get_test_names()))

    logger.info("Tiers to be executed:%s" % summary)

    for tier in tiers_to_run:
        run_tier(tier)


def main():
    global CLEAN_FLAG
    global REPORT_FLAG

    CI_INSTALLER_TYPE = os.getenv('INSTALLER_TYPE')
    CI_SCENARIO = os.getenv('DEPLOY_SCENARIO')

    file = FUNCTEST_REPO + "/ci/testcases.yaml"
    _tiers = tb.TierBuilder(CI_INSTALLER_TYPE, CI_SCENARIO, file)

    if args.noclean:
        CLEAN_FLAG = False

    if args.report:
        REPORT_FLAG = True

    if args.test:
        source_rc_file()
        if _tiers.get_tier(args.test):
            run_tier(_tiers.get_tier(args.test))

        elif _tiers.get_test(args.test):
            run_test(_tiers.get_test(args.test))

        elif args.test == "all":
            run_all(_tiers)

        else:
            logger.error("Unknown test case or tier '%s', or not supported by "
                         "the given scenario '%s'."
                         % (args.test, CI_SCENARIO))
            logger.debug("Available tiers are:\n\n%s"
                         % _tiers)
    else:
        run_all(_tiers)

    sys.exit(0)

if __name__ == '__main__':
    main()