path: root/testcases/config_functest.py

#!/usr/bin/env python
#
# Copyright (c) 2015 Ericsson
# 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 re, json, os, urllib2, argparse, logging, shutil, subprocess, yaml, sys, getpass
import functest_utils
from git import Repo
from os import stat
from pwd import getpwuid
from neutronclient.v2_0 import client as neutronclient

actions = ['start', 'check', 'clean']
parser = argparse.ArgumentParser()
parser.add_argument("repo_path", help="Path to the repository")
parser.add_argument("action", help="Possible actions are: '{d[0]}|{d[1]}|{d[2]}' ".format(d=actions))
parser.add_argument("-d", "--debug", help="Debug mode",  action="store_true")
parser.add_argument("-f", "--force", help="Force",  action="store_true")
args = parser.parse_args()


""" logging configuration """
logger = logging.getLogger('config_functest')
logger.setLevel(logging.DEBUG)

ch = logging.StreamHandler()
if args.debug:
    ch.setLevel(logging.DEBUG)
else:
    ch.setLevel(logging.INFO)

formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
ch.setFormatter(formatter)
logger.addHandler(ch)

if not os.path.exists(args.repo_path):
    logger.error("Repo directory not found '%s'" % args.repo_path)
    exit(-1)

with open(args.repo_path+"testcases/config_functest.yaml") as f:
    functest_yaml = yaml.safe_load(f)
f.close()




""" global variables """
# Directories
REPO_PATH = args.repo_path
RALLY_DIR = REPO_PATH + functest_yaml.get("general").get("directories").get("dir_rally")
RALLY_REPO_DIR = functest_yaml.get("general").get("directories").get("dir_repo_rally")
RALLY_INSTALLATION_DIR = functest_yaml.get("general").get("directories").get("dir_rally_inst")
RALLY_RESULT_DIR = functest_yaml.get("general").get("directories").get("dir_rally_res")
VPING_DIR = REPO_PATH + functest_yaml.get("general").get("directories").get("dir_vping")
ODL_DIR = REPO_PATH + functest_yaml.get("general").get("directories").get("dir_odl")
DATA_DIR = functest_yaml.get("general").get("directories").get("dir_functest_data")

# Tempest/Rally configuration details
DEPLOYMENT_MAME = "opnfv-rally"
RALLY_COMMIT = functest_yaml.get("general").get("openstack").get("rally_stable_commit")

#GLANCE image parameters
IMAGE_FILE_NAME = functest_yaml.get("general").get("openstack").get("image_file_name")
IMAGE_DISK_FORMAT = functest_yaml.get("general").get("openstack").get("image_disk_format")
IMAGE_NAME = functest_yaml.get("general").get("openstack").get("image_name")
IMAGE_PATH = DATA_DIR + "/" + IMAGE_FILE_NAME


def action_start():
    """
    Start the functest environment installation
    """
    if not functest_utils.check_internet_connectivity():
        logger.error("There is no Internet connectivity. Please check the network configuration.")
        exit(-1)

    if action_check():
        logger.info("Functest environment already installed. Nothing to do.")
        exit(0)

    else:
        # Clean in case there are left overs
        logger.debug("Cleaning possible functest environment leftovers.")
        action_clean()

        logger.info("Starting installation of functest environment")
        logger.info("Installing Rally...")
        if not install_rally():
            logger.error("There has been a problem while installing Rally.")
            action_clean()
            exit(-1)

        logger.info("Configuring Tempest...")
        if not configure_tempest():
            logger.error("There has been a problem while configuring Tempest.")
            action_clean()
            exit(-1)

        # Create result folder under functest if necessary
        if not os.path.exists(RALLY_RESULT_DIR):
            os.makedirs(RALLY_RESULT_DIR)

        logger.info("Creating Glance image: %s ..." %IMAGE_NAME)
        if not create_glance_image(IMAGE_PATH,IMAGE_NAME,IMAGE_DISK_FORMAT):
            logger.error("There has been a problem while creating the Glance image.")
            action_clean()
            exit(-1)

        exit(0)


def action_check():
    """
    Check if the functest environment is properly installed
    """
    errors_all = False
    errors = False
    logger.info("Checking current functest configuration...")

    logger.debug("Checking script directories...")

    dirs = [RALLY_DIR, RALLY_INSTALLATION_DIR, VPING_DIR, ODL_DIR]
    for dir in dirs:
        if not os.path.exists(dir):
            logger.debug("The directory '%s' does NOT exist." % dir)
            errors = True
            errors_all = True
        else:
            logger.debug("   %s found" % dir)
    if not errors:
        logger.debug("...OK")
    else:
        logger.debug("...FAIL")


    logger.debug("Checking Rally deployment...")
    if not check_rally():
        logger.debug("   Rally deployment NOT installed.")
        errors_all = True
        logger.debug("...FAIL")
    else:
        logger.debug("...OK")

    logger.debug("Checking Image...")
    errors = False
    if not os.path.isfile(IMAGE_PATH):
        logger.debug("   Image file '%s' NOT found." % IMAGE_PATH)
        errors = True
        errors_all = True
    else:
        logger.debug("   Image file found in %s" % IMAGE_PATH)

    cmd="glance image-list | grep " + IMAGE_NAME
    FNULL = open(os.devnull, 'w');
    logger.debug('   Executing command : {}'.format(cmd))
    p=subprocess.Popen(cmd,shell=True,stdout=subprocess.PIPE,stderr=FNULL);
    #if the command does not exist or there is no glance image
    line = p.stdout.readline()
    if line == "":
        logger.debug("   Glance image NOT found.")
        errors = True
        errors_all = True
    else:
        logger.debug("   Glance image found.")

    if not errors:
        logger.debug("...OK")
    else:
        logger.debug("...FAIL")

    #TODO: check OLD environment setup
    return not errors_all



def action_clean():
    """
    Clean the existing functest environment
    """
    logger.info("Removing current functest environment...")
    if os.path.exists(RALLY_INSTALLATION_DIR):
        logger.debug("Removing Rally installation directory %s" % RALLY_INSTALLATION_DIR)
        shutil.rmtree(RALLY_INSTALLATION_DIR,ignore_errors=True)

    cmd = "glance image-list | grep "+IMAGE_NAME+" | cut -c3-38"
    p = os.popen(cmd,"r")

    #while image_id = p.readline()
    for image_id in p.readlines():
        cmd = "glance image-delete " + image_id
        functest_utils.execute_command(cmd,logger)

    if os.path.exists(RALLY_RESULT_DIR):
        logger.debug("Removing Result directory")
        shutil.rmtree(RALLY_RESULT_DIR,ignore_errors=True)


    logger.info("Functest environment clean!")



def install_rally():
    if check_rally():
        logger.info("Rally is already installed.")
    else:
        logger.debug("Executing %s/install_rally.sh..." %RALLY_REPO_DIR)
        install_script = RALLY_REPO_DIR + "/install_rally.sh --yes"
        cmd = 'sudo ' + install_script
        functest_utils.execute_command(cmd,logger)

        logger.debug("Creating Rally environment...")
        cmd = "rally deployment create --fromenv --name="+DEPLOYMENT_MAME
        functest_utils.execute_command(cmd,logger)

        logger.debug("Installing tempest...")
        cmd = "rally verify install"
        functest_utils.execute_command(cmd,logger)

        cmd = "rally deployment check"
        functest_utils.execute_command(cmd,logger)
        #TODO: check that everything is 'Available' and warn if not

        cmd = "rally show images"
        functest_utils.execute_command(cmd,logger)

        cmd = "rally show flavors"
        functest_utils.execute_command(cmd,logger)

    return True


def configure_tempest():
    """
    Add/update needed parameters into tempest.conf file generated by Rally
    """

    creds_neutron = functest_utils.get_credentials("neutron")
    neutron_client = neutronclient.Client(**creds_neutron)

    logger.debug("Generating tempest.conf file...")
    cmd = "rally verify genconfig"
    functest_utils.execute_command(cmd,logger)

    logger.debug("Resolving deployment UUID...")
    cmd = "rally deployment list | awk '/"+DEPLOYMENT_MAME+"/ {print $2}'"
    p = subprocess.Popen(cmd, shell=True,
                         stdout=subprocess.PIPE,
                         stderr=subprocess.STDOUT);
    deployment_uuid = p.stdout.readline().rstrip()
    if deployment_uuid == "":
        logger.debug("   Rally deployment NOT found")
        return False

    logger.debug("Finding tempest.conf file...")
    tempest_conf_file = RALLY_INSTALLATION_DIR+"/tempest/for-deployment-" \
                        +deployment_uuid+"/tempest.conf"

    logger.debug("  Updating fixed_network_name...")
    fixed_network = functest_utils.get_network_list(neutron_client)[0]['name']
    if fixed_network != None:
        cmd = "crudini --set "+tempest_conf_file+" compute fixed_network_name "+fixed_network
        functest_utils.execute_command(cmd,logger)

    return True


def check_rally():
    """
    Check if Rally is installed and properly configured
    """
    if os.path.exists(RALLY_INSTALLATION_DIR):
        logger.debug("   Rally installation directory found in %s" % RALLY_INSTALLATION_DIR)
        FNULL = open(os.devnull, 'w');
        cmd="rally deployment list | grep "+DEPLOYMENT_MAME
        logger.debug('   Executing command : {}'.format(cmd))
        p=subprocess.Popen(cmd,shell=True,stdout=subprocess.PIPE,stderr=FNULL);
        #if the command does not exist or there is no deployment
        line = p.stdout.readline()
        if line == "":
            logger.debug("   Rally deployment NOT found")
            return False
        logger.debug("   Rally deployment found")
        return True
    else:
        return False



def create_glance_image(path,name,disk_format):
    """
    Create a glance image given the absolute path of the image, its name and the disk format
    """
    cmd = ("glance image-create --name "+name+"  --visibility public "
    "--disk-format "+disk_format+" --container-format bare --file "+path)
    functest_utils.execute_command(cmd,logger)
    return True




def main():
    if not (args.action in actions):
        logger.error('argument not valid')
        exit(-1)


    if not functest_utils.check_credentials():
        logger.error("Please source the openrc credentials and run the script again.")
        #TODO: source the credentials in this script
        exit(-1)

    if args.action == "start":
        action_start()

    if args.action == "check":
        if action_check():
            logger.info("Functest environment correctly installed")
        else:
            logger.info("Functest environment not found or faulty")

    if args.action == "clean":
        if args.force :
            action_clean()
        else :
            while True:
                print("Are you sure? [y|n]")
                answer = raw_input("")
                if answer == "y":
                    action_clean()
                    break
                elif answer == "n":
                    break
                else:
                    print("Invalid option.")
    exit(0)


if __name__ == '__main__':
    main()