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-.. This work is licensed under a Creative Commons Attribution 4.0 International Licence.
-.. http://creativecommons.org/licenses/by/4.0
-
-FuncTest test result document overview
-======================================
-
-Functest project is described in `Functest user guide`_.
-The user guide details the different test cases as well as the possible errors.
-A `developer guide`_ and a `configuration guide`_ are also available.
-
-Functest is run systematically at the end of an OPNFV fresh installation.
-All the runnable tests are run sequentially. The installer and the scenario are
-considered to evaluate whether the test case can be run or not. That is why all
-the number of test cases may vary from 1 installer to another and from 1
-scenario to another.
-
-The list of scenario supported by installer can be described as follows:
-
-+----------------+---------+---------+---------+---------+
-| Scenario | Apex | Compass | Fuel | Joid |
-+================+=========+=========+=========+=========+
-| odl_l2 | X | X | X | X |
-+----------------+---------+---------+---------+---------+
-| onos | | X | | |
-+----------------+---------+---------+---------+---------+
-| nosdn | | X | X | |
-+----------------+---------+---------+---------+---------+
-| ovs (dpdk) | | | X | |
-+----------------+---------+---------+---------+---------+
-
-The matrix below details the Functest runnable tests versus the installer and
-the scenario:
-
-+----------------+-------------+-------------+-------------+-------------+
-| Test cases | Apex | Compass | Fuel | Joid |
-+================+=============+=============+=============+=============+
-| vPing SSH | all | all | all | all |
-+----------------+-------------+-------------+-------------+-------------+
-| vPing userdata | all except | all except | all except | all except |
-| | ONOS | ONOS | ONOS | ONOS |
-+----------------+-------------+-------------+-------------+-------------+
-| Tempest | all | all | all | all |
-+----------------+-------------+-------------+-------------+-------------+
-| Rally | all | all | all | all |
-+----------------+-------------+-------------+-------------+-------------+
-| ODL | all ODL | all ODL | all ODL | all ODL |
-+----------------+-------------+-------------+-------------+-------------+
-| ONOS | ONOS | ONOS | ONOS | ONOS |
-+----------------+-------------+-------------+-------------+-------------+
-| Promise | no | no | all | all |
-+----------------+-------------+-------------+-------------+-------------+
-| vIMS | all except | all except | all except | all except |
-| | ONOS | ONOS | ONOS | ONOS |
-+----------------+-------------+-------------+-------------+-------------+
-| Doctor | all | no | no | no |
-+----------------+-------------+-------------+-------------+-------------+
-
-all means that the test case is run on all the scenarios related to the
-installer.
-
-Functest results from continuous integration can be found in:
- * jenkins logs: https://build.opnfv.org/ci/view/functest/
- * artifacts http://artifacts.opnfv.org/, it includes the tempest logs and the
- Rally html pages
-
-Additional test result assests and information
-==============================================
-
-The Functest deals with 2 dashboards:
- * The `Test Dashboard`_ provides an overview of all the projects
- * The `Functest Dashboard`_ dedicated to Functest real-time test results
-
- * is used to provide a quick overview of the different testcases according to installer and scenario.
-
-.. _`Test Dashboard`: https://www.opnfv.org/opnfvtestgraphs/per-test-projects/default
-.. _`Functest Dashboard`: https://testresults.opnfv.org/dashboard/
-.. _`Functest user guide`: artifacts.opnfv.org/functest/docs/userguide/index.html
-.. _`developer guide`: artifacts.opnfv.org/functest/docs/devguide/index.html
-.. _`configuration guide`: artifacts.opnfv.org/functest/docs/configguide/index.html
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#!/usr/bin/python
# coding: utf8
#######################################################################
#
#   Copyright (c) 2015 Orange
#   valentin.boucher@orange.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 os
import time
import subprocess
import logging
import argparse
import yaml
import pprint
import sys
import json
import datetime
import requests
import keystoneclient.v2_0.client as ksclient
import glanceclient.client as glclient
import novaclient.client as nvclient
from neutronclient.v2_0 import client as ntclient

from orchestrator import *
from clearwater import *

pp = pprint.PrettyPrinter(indent=4)


parser = argparse.ArgumentParser()
parser.add_argument("-d", "--debug", help="Debug mode",  action="store_true")
parser.add_argument("-r", "--report",
                    help="Create json result file",
                    action="store_true")
parser.add_argument("-n", "--noclean",
                    help="Don't clean the created resources for this test.",
                    action="store_true")
args = parser.parse_args()

""" logging configuration """
logger = logging.getLogger('vIMS')
logger.setLevel(logging.INFO)

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)

REPO_PATH = os.environ['repos_dir'] + '/functest/'
if not os.path.exists(REPO_PATH):
    logger.error("Functest repository directory not found '%s'" % REPO_PATH)
    exit(-1)
sys.path.append(REPO_PATH + "testcases/")
import functest_utils

with open("/home/opnfv/functest/conf/config_functest.yaml") as f:
    functest_yaml = yaml.safe_load(f)
f.close()

# Cloudify parameters
VIMS_DIR = REPO_PATH + \
    functest_yaml.get("general").get("directories").get("dir_vIMS")
VIMS_DATA_DIR = functest_yaml.get("general").get(
    "directories").get("dir_vIMS_data") + "/"
VIMS_TEST_DIR = functest_yaml.get("general").get(
    "directories").get("dir_repo_vims_test") + "/"
DB_URL = functest_yaml.get("results").get("test_db_url")

TENANT_NAME = functest_yaml.get("vIMS").get("general").get("tenant_name")
TENANT_DESCRIPTION = functest_yaml.get("vIMS").get(
    "general").get("tenant_description")
IMAGES = functest_yaml.get("vIMS").get("general").get("images")

CFY_MANAGER_BLUEPRINT = functest_yaml.get(
    "vIMS").get("cloudify").get("blueprint")
CFY_MANAGER_REQUIERMENTS = functest_yaml.get(
    "vIMS").get("cloudify").get("requierments")
CFY_INPUTS = functest_yaml.get("vIMS").get("cloudify").get("inputs")

CW_BLUEPRINT = functest_yaml.get("vIMS").get("clearwater").get("blueprint")
CW_DEPLOYMENT_NAME = functest_yaml.get("vIMS").get(
    "clearwater").get("deployment-name")
CW_INPUTS = functest_yaml.get("vIMS").get("clearwater").get("inputs")
CW_REQUIERMENTS = functest_yaml.get("vIMS").get(
    "clearwater").get("requierments")

CFY_DEPLOYMENT_DURATION = 0
CW_DEPLOYMENT_DURATION = 0

RESULTS = {'orchestrator': {'duration': 0, 'result': ''},
           'vIMS': {'duration': 0, 'result': ''},
           'sig_test': {'duration': 0, 'result': ''}}


def download_and_add_image_on_glance(glance, image_name, image_url):
    dest_path = VIMS_DATA_DIR + "tmp/"
    if not os.path.exists(dest_path):
        os.makedirs(dest_path)
    file_name = image_url.rsplit('/')[-1]
    if not functest_utils.download_url(image_url, dest_path):
        logger.error("Failed to download image %s" % file_name)
        return False

    image = functest_utils.create_glance_image(
        glance, image_name, dest_path + file_name)
    if not image:
        logger.error("Failed to upload image on glance")
        return False

    return image


def step_failure(step_name, error_msg):
    logger.error(error_msg)
    set_result(step_name, 0, error_msg)
    status = "failed"
    if step_name == "sig_test":
         status = "passed"
    push_results(status)
    exit(-1)


def push_results(status):
    if args.report:
        logger.debug("Pushing results to DB....")

        scenario = functest_utils.get_scenario(logger)
        version = scenario
        pod_name = functest_utils.get_pod_name(logger)
        build_tag = functest_utils.get_build_tag(logger)

        functest_utils.push_results_to_db(db_url=DB_URL,
                                          project="functest",
                                          case_name="vIMS",
                                          logger=logger, pod_name=pod_name,
                                          version=version,
                                          scenario=scenario,
                                          criteria=status,
                                          build_tag=build_tag,
                                          payload=RESULTS)


def set_result(step_name, duration=0, result=""):
    RESULTS[step_name] = {'duration': duration, 'result': result}


def test_clearwater():

    script = "source " + VIMS_DATA_DIR + "venv_cloudify/bin/activate; "
    script += "cd " + VIMS_DATA_DIR + "; "
    script += "cfy status | grep -Eo '([0-9]{1,3}\.){3}[0-9]{1,3}'"
    cmd = "/bin/bash -c '" + script + "'"

    try:
        logger.debug("Trying to get clearwater manager IP ... ")
        mgr_ip = os.popen(cmd).read()
        mgr_ip = mgr_ip.splitlines()[0]
    except:
        logger.error("Unable to retrieve the IP of the cloudify manager server !")

    api_url = "http://" + mgr_ip + "/api/v2"
    dep_outputs = requests.get(api_url + "/deployments/" + CW_DEPLOYMENT_NAME + "/outputs")
    dns_ip = dep_outputs.json()['outputs']['dns_ip']
    ellis_ip = dep_outputs.json()['outputs']['ellis_ip']

    ellis_url = "http://" + ellis_ip + "/"
    url = ellis_url + "accounts"

    params = {"password": "functest",
              "full_name": "opnfv functest user",
              "email": "functest@opnfv.fr",
              "signup_code": "secret"}

    rq = requests.post(url, data=params)
    i = 20
    while rq.status_code != 201 and i > 0:
        rq = requests.post(url, data=params)
        i = i-1
        time.sleep(10)

    if rq.status_code == 201:
        url = ellis_url + "session"
        rq = requests.post(url, data=params)
        cookies = rq.cookies

    url = ellis_url + "accounts/" + params['email'] + "/numbers"
    if cookies != "":
        rq = requests.post(url, cookies=cookies)
        i = 24
        while rq.status_code != 200 and i > 0:
            rq = requests.post(url, cookies=cookies)
            i = i-1
            time.sleep(25)

    if rq.status_code != 200:
        step_failure("sig_test", "Unable to create a number: %s" % rq.json()['reason'])

    start_time_ts = time.time()
    end_time_ts = start_time_ts
    logger.info("vIMS functional test Start Time:'%s'" % (
        datetime.datetime.fromtimestamp(start_time_ts).strftime(
            '%Y-%m-%d %H:%M:%S')))
    nameservers = functest_utils.get_resolvconf_ns()
    resolvconf = ""
    for ns in nameservers:
        resolvconf += "\nnameserver " + ns

    if dns_ip != "":
        script = 'echo -e "nameserver ' + dns_ip + resolvconf + '" > /etc/resolv.conf; '
        script += 'source /etc/profile.d/rvm.sh; '
        script += 'cd ' + VIMS_TEST_DIR + '; '
        script += 'rake test[' + \
            CW_INPUTS["public_domain"] + '] SIGNUP_CODE="secret"'

        cmd = "/bin/bash -c '" + script + "'"
        output_file = "output.txt"
        f = open(output_file, 'w+')
        p = subprocess.call(cmd, shell=True, stdout=f,
                            stderr=subprocess.STDOUT)
        f.close()
        end_time_ts = time.time()
        duration = round(end_time_ts - start_time_ts, 1)
        logger.info("vIMS functional test duration:'%s'" % duration)
        f = open(output_file, 'r')
        result = f.read()
        if result != "" and logger:
            logger.debug(result)

        vims_test_result = ""
        try:
            logger.debug("Trying to load test results")
            with open(VIMS_TEST_DIR + "temp.json") as f:
                vims_test_result = json.load(f)
            f.close()
        except:
            logger.error("Unable to retrieve test results")

        set_result("sig_test", duration, vims_test_result)

        # success criteria for vIMS (for Brahmaputra)
        # - orchestrator deployed
        # - VNF deployed
        status = "failed"
        try:
            if RESULTS['orchestrator']['duration'] > 0 and RESULT['vIMS']['duration'] > 0:
                status = "passed"
        except:
            logger.error("Unable to set test status")
        push_results(status)

        try:
            os.remove(VIMS_TEST_DIR + "temp.json")
        except:
            logger.error("Deleting file failed")


def main():

    # ############### GENERAL INITIALISATION ################

    if not os.path.exists(VIMS_DATA_DIR):
        os.makedirs(VIMS_DATA_DIR)

    ks_creds = functest_utils.get_credentials("keystone")
    nv_creds = functest_utils.get_credentials("nova")
    nt_creds = functest_utils.get_credentials("neutron")

    logger.info("Prepare OpenStack plateform (create tenant and user)")
    keystone = ksclient.Client(**ks_creds)

    user_id = functest_utils.get_user_id(keystone, ks_creds['username'])
    if user_id == '':
        step_failure("init", "Error : Failed to get id of " +
                     ks_creds['username'])

    tenant_id = functest_utils.create_tenant(
        keystone, TENANT_NAME, TENANT_DESCRIPTION)
    if tenant_id == '':
        step_failure("init", "Error : Failed to create " +
                     TENANT_NAME + " tenant")

    roles_name = ["admin", "Admin"]
    role_id = ''
    for role_name in roles_name:
        if role_id == '':
            role_id = functest_utils.get_role_id(keystone, role_name)

    if role_id == '':
        logger.error("Error : Failed to get id for %s role" % role_name)

    if not functest_utils.add_role_user(keystone, user_id, role_id, tenant_id):
        logger.error("Error : Failed to add %s on tenant" %
                     ks_creds['username'])

    user_id = functest_utils.create_user(
        keystone, TENANT_NAME, TENANT_NAME, None, tenant_id)
    if user_id == '':
        logger.error("Error : Failed to create %s user" % TENANT_NAME)

    logger.info("Update OpenStack creds informations")
    ks_creds.update({
        "username": TENANT_NAME,
        "password": TENANT_NAME,
        "tenant_name": TENANT_NAME,
    })

    nt_creds.update({
        "tenant_name": TENANT_NAME,
    })

    nv_creds.update({
        "project_id": TENANT_NAME,
    })

    logger.info("Upload some OS images if it doesn't exist")
    glance_endpoint = keystone.service_catalog.url_for(service_type='image',
                                                       endpoint_type='publicURL')
    glance = glclient.Client(1, glance_endpoint, token=keystone.auth_token)

    for img in IMAGES.keys():
        image_name = IMAGES[img]['image_name']
        image_url = IMAGES[img]['image_url']

        image_id = functest_utils.get_image_id(glance, image_name)

        if image_id == '':
            logger.info("""%s image doesn't exist on glance repository.
                            Try downloading this image and upload on glance !""" % image_name)
            image_id = download_and_add_image_on_glance(
                glance, image_name, image_url)

        if image_id == '':
            step_failure(
                "init", "Error : Failed to find or upload required OS image for this deployment")

    nova = nvclient.Client("2", **nv_creds)

    logger.info("Update security group quota for this tenant")
    neutron = ntclient.Client(**nt_creds)
    if not functest_utils.update_sg_quota(neutron, tenant_id, 50, 100):
        step_failure(
            "init", "Failed to update security group quota for tenant " + TENANT_NAME)

    logger.info("Update cinder quota for this tenant")
    from cinderclient import client as cinderclient

    creds_cinder = functest_utils.get_credentials("cinder")
    cinder_client = cinderclient.Client('1', creds_cinder['username'],
                                        creds_cinder['api_key'],
                                        creds_cinder['project_id'],
                                        creds_cinder['auth_url'],
                                        service_type="volume")
    if not functest_utils.update_cinder_quota(cinder_client, tenant_id, 20, 10, 150):
        step_failure(
            "init", "Failed to update cinder quota for tenant " + TENANT_NAME)

    # ############### CLOUDIFY INITIALISATION ################

    cfy = orchestrator(VIMS_DATA_DIR, CFY_INPUTS, logger)

    cfy.set_credentials(username=ks_creds['username'], password=ks_creds[
                        'password'], tenant_name=ks_creds['tenant_name'], auth_url=ks_creds['auth_url'])

    logger.info("Collect flavor id for cloudify manager server")
    nova = nvclient.Client("2", **nv_creds)

    flavor_name = "m1.medium"
    flavor_id = functest_utils.get_flavor_id(nova, flavor_name)
    for requirement in CFY_MANAGER_REQUIERMENTS:
        if requirement == 'ram_min':
            flavor_id = functest_utils.get_flavor_id_by_ram_range(
                nova, CFY_MANAGER_REQUIERMENTS['ram_min'], 8196)

    if flavor_id == '':
        logger.error(
            "Failed to find %s flavor. Try with ram range default requirement !" % flavor_name)
        flavor_id = functest_utils.get_flavor_id_by_ram_range(nova, 4000, 8196)

    if flavor_id == '':
        step_failure("orchestrator",
                     "Failed to find required flavor for this deployment")

    cfy.set_flavor_id(flavor_id)

    image_name = "centos_7"
    image_id = functest_utils.get_image_id(glance, image_name)
    for requirement in CFY_MANAGER_REQUIERMENTS:
        if requirement == 'os_image':
            image_id = functest_utils.get_image_id(
                glance, CFY_MANAGER_REQUIERMENTS['os_image'])

    if image_id == '':
        step_failure(
            "orchestrator", "Error : Failed to find required OS image for cloudify manager")

    cfy.set_image_id(image_id)

    ext_net = functest_utils.get_external_net(neutron)
    if not ext_net:
        step_failure("orchestrator", "Failed to get external network")

    cfy.set_external_network_name(ext_net)

    ns = functest_utils.get_resolvconf_ns()
    if ns:
        cfy.set_nameservers(ns)

    logger.info("Prepare virtualenv for cloudify-cli")
    cmd = "chmod +x " + VIMS_DIR + "create_venv.sh"
    functest_utils.execute_command(cmd, logger)
    time.sleep(3)
    cmd = VIMS_DIR + "create_venv.sh " + VIMS_DATA_DIR
    functest_utils.execute_command(cmd, logger)

    cfy.download_manager_blueprint(
        CFY_MANAGER_BLUEPRINT['url'], CFY_MANAGER_BLUEPRINT['branch'])

    # ############### CLOUDIFY DEPLOYMENT ################
    start_time_ts = time.time()
    end_time_ts = start_time_ts
    logger.info("Cloudify deployment Start Time:'%s'" % (
        datetime.datetime.fromtimestamp(start_time_ts).strftime(
            '%Y-%m-%d %H:%M:%S')))

    error = cfy.deploy_manager()
    if error:
        step_failure("orchestrator", error)

    end_time_ts = time.time()
    duration = round(end_time_ts - start_time_ts, 1)
    logger.info("Cloudify deployment duration:'%s'" % duration)
    set_result("orchestrator", duration, "")

    # ############### CLEARWATER INITIALISATION ################

    cw = clearwater(CW_INPUTS, cfy, logger)

    logger.info("Collect flavor id for all clearwater vm")
    nova = nvclient.Client("2", **nv_creds)

    flavor_name = "m1.small"
    flavor_id = functest_utils.get_flavor_id(nova, flavor_name)
    for requirement in CW_REQUIERMENTS:
        if requirement == 'ram_min':
            flavor_id = functest_utils.get_flavor_id_by_ram_range(
                nova, CW_REQUIERMENTS['ram_min'], 8196)

    if flavor_id == '':
        logger.error(
            "Failed to find %s flavor. Try with ram range default requirement !" % flavor_name)
        flavor_id = functest_utils.get_flavor_id_by_ram_range(nova, 4000, 8196)

    if flavor_id == '':
        step_failure(
            "vIMS", "Failed to find required flavor for this deployment")

    cw.set_flavor_id(flavor_id)

    image_name = "ubuntu_14.04"
    image_id = functest_utils.get_image_id(glance, image_name)
    for requirement in CW_REQUIERMENTS:
        if requirement == 'os_image':
            image_id = functest_utils.get_image_id(
                glance, CW_REQUIERMENTS['os_image'])

    if image_id == '':
        step_failure(
            "vIMS", "Error : Failed to find required OS image for cloudify manager")

    cw.set_image_id(image_id)

    ext_net = functest_utils.get_external_net(neutron)
    if not ext_net:
        step_failure("vIMS", "Failed to get external network")

    cw.set_external_network_name(ext_net)

    # ############### CLEARWATER DEPLOYMENT ################

    start_time_ts = time.time()
    end_time_ts = start_time_ts
    logger.info("vIMS VNF deployment Start Time:'%s'" % (
        datetime.datetime.fromtimestamp(start_time_ts).strftime(
            '%Y-%m-%d %H:%M:%S')))

    error = cw.deploy_vnf(CW_BLUEPRINT)
    if error:
        step_failure("vIMS", error)

    end_time_ts = time.time()
    duration = round(end_time_ts - start_time_ts, 1)
    logger.info("vIMS VNF deployment duration:'%s'" % duration)
    set_result("vIMS", duration, "")

    # ############### CLEARWATER TEST ################

    test_clearwater()

    # ########## CLEARWATER UNDEPLOYMENT ############

    cw.undeploy_vnf()

    # ########### CLOUDIFY UNDEPLOYMENT #############

    cfy.undeploy_manager()

    # ############## GENERAL CLEANUP ################
    if args.noclean:
        exit(0)

    ks_creds = functest_utils.get_credentials("keystone")

    keystone = ksclient.Client(**ks_creds)

    logger.info("Removing %s tenant .." % CFY_INPUTS['keystone_tenant_name'])
    tenant_id = functest_utils.get_tenant_id(
        keystone, CFY_INPUTS['keystone_tenant_name'])
    if tenant_id == '':
        logger.error("Error : Failed to get id of %s tenant" %
                     CFY_INPUTS['keystone_tenant_name'])
    else:
        if not functest_utils.delete_tenant(keystone, tenant_id):
            logger.error("Error : Failed to remove %s tenant" %
                         CFY_INPUTS['keystone_tenant_name'])

    logger.info("Removing %s user .." % CFY_INPUTS['keystone_username'])
    user_id = functest_utils.get_user_id(
        keystone, CFY_INPUTS['keystone_username'])
    if user_id == '':
        logger.error("Error : Failed to get id of %s user" %
                     CFY_INPUTS['keystone_username'])
    else:
        if not functest_utils.delete_user(keystone, user_id):
            logger.error("Error : Failed to remove %s user" %
                         CFY_INPUTS['keystone_username'])


if __name__ == '__main__':
    main()