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path: root/utils/functest_utils.py
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# Copyright (c) 2017 Intel Corporation.
#
# 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
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
---
opnfv_root: /home/opnfv
 # Can be any of 'bm' (Bare Metal) or 'virt' (Virtual)
DEPLOY_TYPE: "{{ lookup('env', 'DEPLOY_TYPE')|default('bm', true) }}"
NODE_NAME: "{{ lookup('env', 'NODE_NAME')|default('unknown', true) }}"
EXTERNAL_NETWORK: "{{ lookup('env', 'EXTERNAL_NETWORK')|default('admin_floating_net', true)|attr('split')(';')|first }}"
OPENRC: "{{ opnfv_root }}/openrc"
INSTALLERS: [apex, compass, fuel, joid]
INSTALLER_TYPE: "{{ lookup('env', 'INSTALLER_TYPE') }}"
YARDSTICK_REPO_DIR: "{{ lookup('env', 'YARDSTICK_REPO_DIR')|default('/home/opnfv/repos/yardstick', true) }}"
storperf_rc: "{{ opnfv_root }}/storperf_admin-rc"

DISPATCHER_TYPES:
  file:
      DISPATCHER_FILE_NAME: "/tmp/yardstick.out"
      DISPATCHER_HTTP_TARGET: "http://testresults.opnfv.org/test/api/v1/results"
      DISPATCHER_INFLUXDB_TARGET: ""
  http:
      DISPATCHER_TYPE: http
      DISPATCHER_HTTP_TARGET: "{{ dispatcher_target }}"
      DISPATCHER_FILE_NAME: ""
  influxdb:
      DISPATCHER_TYPE: influxdb
      DISPATCHER_INFLUXDB_TARGET: "{{ dispatcher_target }}"
      DISPATCHER_FILE_NAME: ""
id='n393' href='#n393'>393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465
#!/usr/bin/env python
#
# jose.lausuch@ericsson.com
# 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
#

""" global variables """

from datetime import datetime as dt
import json
import os
import os.path
import re
import shutil
import subprocess
import sys
import urllib2
import dns.resolver

import functest.ci.tier_builder as tb
from git import Repo
import requests
import yaml


REPOS_DIR = os.getenv('repos_dir')
FUNCTEST_REPO = ("%s/functest/" % REPOS_DIR)


# ----------------------------------------------------------
#
#               INTERNET UTILS
#
# -----------------------------------------------------------
def check_internet_connectivity(url='http://www.opnfv.org/'):
    """
    Check if there is access to the internet
    """
    try:
        urllib2.urlopen(url, timeout=5)
        return True
    except urllib2.URLError:
        return False


def download_url(url, dest_path):
    """
    Download a file to a destination path given a URL
    """
    name = url.rsplit('/')[-1]
    dest = dest_path + "/" + name
    try:
        response = urllib2.urlopen(url)
    except (urllib2.HTTPError, urllib2.URLError):
        return False

    with open(dest, 'wb') as f:
        shutil.copyfileobj(response, f)
    return True


# ----------------------------------------------------------
#
#               CI UTILS
#
# -----------------------------------------------------------
def get_git_branch(repo_path):
    """
    Get git branch name
    """
    repo = Repo(repo_path)
    branch = repo.active_branch
    return branch.name


def get_installer_type(logger=None):
    """
    Get installer type (fuel, apex, joid, compass)
    """
    try:
        installer = os.environ['INSTALLER_TYPE']
    except KeyError:
        if logger:
            logger.error("Impossible to retrieve the installer type")
        installer = "Unknown_installer"

    return installer


def get_scenario(logger=None):
    """
    Get scenario
    """
    try:
        scenario = os.environ['DEPLOY_SCENARIO']
    except KeyError:
        if logger:
            logger.error("Impossible to retrieve the scenario")
        scenario = "Unknown_scenario"

    return scenario


def get_version(logger=None):
    """
    Get version
    """
    # Use the build tag to retrieve the version
    # By default version is unknown
    # if launched through CI the build tag has the following format
    # jenkins-<project>-<installer>-<pod>-<job>-<branch>-<id>
    # e.g. jenkins-functest-fuel-opnfv-jump-2-daily-master-190
    # use regex to match branch info
    rule = "daily-(.+?)-[0-9]*"
    build_tag = get_build_tag(logger)
    m = re.search(rule, build_tag)
    if m:
        return m.group(1)
    else:
        return "unknown"


def get_pod_name(logger=None):
    """
    Get PoD Name from env variable NODE_NAME
    """
    try:
        return os.environ['NODE_NAME']
    except KeyError:
        if logger:
            logger.error(
                "Unable to retrieve the POD name from environment. " +
                "Using pod name 'unknown-pod'")
        return "unknown-pod"


def get_build_tag(logger=None):
    """
    Get build tag of jenkins jobs
    """
    try:
        build_tag = os.environ['BUILD_TAG']
    except KeyError:
        if logger:
            logger.error("Impossible to retrieve the build tag")
        build_tag = "unknown_build_tag"

    return build_tag


def get_db_url(logger=None):
    """
    Returns DB URL
    """
    with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
        functest_yaml = yaml.safe_load(f)
    f.close()
    db_url = functest_yaml.get("results").get("test_db_url")
    return db_url


def logger_test_results(logger, project, case_name, status, details):
    pod_name = get_pod_name(logger)
    scenario = get_scenario(logger)
    version = get_version(logger)
    build_tag = get_build_tag(logger)

    logger.info("\n"
                "****************************************\n"
                "\t %(p)s/%(n)s results \n\n"
                "****************************************\n"
                "DB:\t%(db)s\n"
                "pod:\t%(pod)s\n"
                "version:\t%(v)s\n"
                "scenario:\t%(s)s\n"
                "status:\t%(c)s\n"
                "build tag:\t%(b)s\n"
                "details:\t%(d)s\n"
                % {
                    'p': project,
                    'n': case_name,
                    'db': get_db_url(),
                    'pod': pod_name,
                    'v': version,
                    's': scenario,
                    'c': status,
                    'b': build_tag,
                    'd': details,
                })


def push_results_to_db(project, case_name, logger,
                       start_date, stop_date, criteria, details):
    """
    POST results to the Result target DB
    """
    # Retrieve params from CI and conf
    url = get_db_url(logger) + "/results"

    try:
        installer = os.environ['INSTALLER_TYPE']
        scenario = os.environ['DEPLOY_SCENARIO']
        pod_name = os.environ['NODE_NAME']
        build_tag = os.environ['BUILD_TAG']
    except KeyError as e:
        msg = "Please set env var: " + str(e)
        if logger:
            logger.error(msg)
        else:
            print(msg)
        return False
    rule = "daily-(.+?)-[0-9]*"
    m = re.search(rule, build_tag)
    if m:
        version = m.group(1)
    else:
        msg = "Please fix BUILD_TAG env var: " + build_tag
        if logger:
            logger.error(msg)
        else:
            print(msg)
        return False
    test_start = dt.fromtimestamp(start_date).strftime('%Y-%m-%d %H:%M:%S')
    test_stop = dt.fromtimestamp(stop_date).strftime('%Y-%m-%d %H:%M:%S')

    params = {"project_name": project, "case_name": case_name,
              "pod_name": pod_name, "installer": installer,
              "version": version, "scenario": scenario, "criteria": criteria,
              "build_tag": build_tag, "start_date": test_start,
              "stop_date": test_stop, "details": details}

    error = None
    headers = {'Content-Type': 'application/json'}
    try:
        r = requests.post(url, data=json.dumps(params), headers=headers)
        if logger:
            logger.debug(r)
        r.raise_for_status()
    except requests.RequestException as exc:
        if 'r' in locals():
            error = ("Pushing Result to DB(%s) failed: %s" %
                     (r.url, r.content))
        else:
            error = ("Pushing Result to DB(%s) failed: %s" % (url, exc))
    except Exception as e:
        error = ("Error [push_results_to_db("
                 "DB: '%(db)s', "
                 "project: '%(project)s', "
                 "case: '%(case)s', "
                 "pod: '%(pod)s', "
                 "version: '%(v)s', "
                 "scenario: '%(s)s', "
                 "criteria: '%(c)s', "
                 "build_tag: '%(t)s', "
                 "details: '%(d)s')]: "
                 "%(error)s" %
                 {
                     'db': url,
                     'project': project,
                     'case': case_name,
                     'pod': pod_name,
                     'v': version,
                     's': scenario,
                     'c': criteria,
                     't': build_tag,
                     'd': details,
                     'error': e
                 })
    finally:
        if error:
            if logger:
                logger.error(error)
            else:
                print error
            return False
        return True


def get_resolvconf_ns():
    """
    Get nameservers from current resolv.conf
    """
    nameservers = []
    rconf = open("/etc/resolv.conf", "r")
    line = rconf.readline()
    resolver = dns.resolver.Resolver()
    while line:
        ip = re.search(r"\b(?:[0-9]{1,3}\.){3}[0-9]{1,3}\b", line)
        if ip:
            resolver.nameservers = [str(ip)]
            try:
                result = resolver.query('opnfv.org')[0]
                if result != "":
                    nameservers.append(ip.group())
            except dns.exception.Timeout:
                pass
        line = rconf.readline()
    return nameservers


def get_ci_envvars():
    """
    Get the CI env variables
    """
    ci_env_var = {
        "installer": os.environ.get('INSTALLER_TYPE'),
        "scenario": os.environ.get('DEPLOY_SCENARIO')}
    return ci_env_var


def execute_command(cmd, logger=None,
                    exit_on_error=True,
                    info=False,
                    error_msg="",
                    verbose=True):
    if not error_msg:
        error_msg = ("The command '%s' failed." % cmd)
    msg_exec = ("Executing command: '%s'" % cmd)
    if verbose:
        if logger:
            if info:
                logger.info(msg_exec)
            else:
                logger.debug(msg_exec)
        else:
            print(msg_exec)
    p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
                         stderr=subprocess.STDOUT)
    for line in iter(p.stdout.readline, b''):
        line = line.replace('\n', '')
        if logger:
            if info:
                logger.info(line)
            else:
                logger.debug(line)
        else:
            print line
            sys.stdout.flush()
    p.stdout.close()
    returncode = p.wait()
    if returncode != 0:
        if verbose:
            if logger:
                logger.error(error_msg)
            else:
                print(error_msg)
        if exit_on_error:
            sys.exit(1)

    return returncode


def get_deployment_dir(logger=None):
    """
    Returns current Rally deployment directory
    """
    with open(os.environ["CONFIG_FUNCTEST_YAML"]) as f:
        functest_yaml = yaml.safe_load(f)
    f.close()
    deployment_name = functest_yaml.get("rally").get("deployment_name")
    rally_dir = functest_yaml.get("general").get("directories").get(
        "dir_rally_inst")
    cmd = ("rally deployment list | awk '/" + deployment_name +
           "/ {print $2}'")
    p = subprocess.Popen(cmd, shell=True,
                         stdout=subprocess.PIPE,
                         stderr=subprocess.STDOUT)
    deployment_uuid = p.stdout.readline().rstrip()
    if deployment_uuid == "":
        if logger:
            logger.error("Rally deployment not found.")
        exit(-1)
    deployment_dir = (rally_dir + "/tempest/for-deployment-" +
                      deployment_uuid)
    return deployment_dir


def get_criteria_by_test(testname):
    criteria = ""
    file = FUNCTEST_REPO + "/ci/testcases.yaml"
    tiers = tb.TierBuilder("", "", file)
    for tier in tiers.get_tiers():
        for test in tier.get_tests():
            if test.get_name() == testname:
                criteria = test.get_criteria()

    return criteria


# ----------------------------------------------------------
#
#               YAML UTILS
#
# -----------------------------------------------------------
def get_parameter_from_yaml(parameter, file=None):
    """
    Returns the value of a given parameter in config_functest.yaml
    parameter must be given in string format with dots
    Example: general.openstack.image_name
    """
    if file is None:
        file = os.environ["CONFIG_FUNCTEST_YAML"]
    with open(file) as f:
        functest_yaml = yaml.safe_load(f)
    f.close()
    value = functest_yaml
    for element in parameter.split("."):
        value = value.get(element)
        if value is None:
            raise ValueError("The parameter %s is not defined in"
                             " config_functest.yaml" % parameter)
    return value


def check_success_rate(case_name, success_rate):
    success_rate = float(success_rate)
    criteria = get_criteria_by_test(case_name)

    def get_criteria_value(op):
        return float(criteria.split(op)[1].rstrip('%'))

    status = 'FAIL'
    ops = ['==', '>=']
    for op in ops:
        if op in criteria:
            c_value = get_criteria_value(op)
            if eval("%s %s %s" % (success_rate, op, c_value)):
                status = 'PASS'
            break

    return status


def merge_dicts(dict1, dict2):
    for k in set(dict1.keys()).union(dict2.keys()):
        if k in dict1 and k in dict2:
            if isinstance(dict1[k], dict) and isinstance(dict2[k], dict):
                yield (k, dict(merge_dicts(dict1[k], dict2[k])))
            else:
                yield (k, dict2[k])
        elif k in dict1:
            yield (k, dict1[k])
        else:
            yield (k, dict2[k])


def check_test_result(test_name, ret, start_time, stop_time):
    def get_criteria_value():
        return get_criteria_by_test(test_name).split('==')[1].strip()

    status = 'FAIL'
    if str(ret) == get_criteria_value():
        status = 'PASS'

    details = {
        'timestart': start_time,
        'duration': round(stop_time - start_time, 1),
        'status': status,
    }

    return status, details