functest/ci/prepare_env.py

   1 #!/usr/bin/env python
   2 #
   3 # All rights reserved. This program and the accompanying materials
   4 # are made available under the terms of the Apache License, Version 2.0
   5 # which accompanies this distribution, and is available at
   6 # http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8
   9 import argparse
  10 import json
  11 import logging
  12 import logging.config
  13 import os
  14 import pkg_resources
  15 import re
  16 import subprocess
  17 import sys
  18 import fileinput
  19
  20 import yaml
  21
  22 import functest.utils.functest_utils as ft_utils
  23 import functest.utils.openstack_utils as os_utils
  24 from functest.utils.constants import CONST
  25
  26 from opnfv.utils import constants as opnfv_constants
  27 from opnfv.deployment import factory
  28
  29 actions = ['start', 'check']
  30
  31 """ logging configuration """
  32 logger = logging.getLogger('functest.ci.prepare_env')
  33 handler = None
  34 # set the architecture to default
  35 pod_arch = None
  36 arch_filter = ['aarch64']
  37
  38 CONFIG_FUNCTEST_PATH = pkg_resources.resource_filename(
  39             'functest', 'ci/config_functest.yaml')
  40 CONFIG_PATCH_PATH = pkg_resources.resource_filename(
  41             'functest', 'ci/config_patch.yaml')
  42 CONFIG_AARCH64_PATCH_PATH = pkg_resources.resource_filename(
  43             'functest', 'ci/config_aarch64_patch.yaml')
  44 RALLY_CONF_PATH = "/etc/rally/rally.conf"
  45 RALLY_AARCH64_PATCH_PATH = pkg_resources.resource_filename(
  46             'functest', 'ci/rally_aarch64_patch.conf')
  47
  48
  49 class PrepareEnvParser(object):
  50
  51     def __init__(self):
  52         self.parser = argparse.ArgumentParser()
  53         self.parser.add_argument("action", help="Possible actions are: "
  54                                  "'{d[0]}|{d[1]}' ".format(d=actions),
  55                                  choices=actions)
  56         self.parser.add_argument("-d", "--debug", help="Debug mode",
  57                                  action="store_true")
  58
  59     def parse_args(self, argv=[]):
  60         return vars(self.parser.parse_args(argv))
  61
  62
  63 def print_separator():
  64     logger.info("==============================================")
  65
  66
  67 def check_env_variables():
  68     print_separator()
  69     logger.info("Checking environment variables...")
  70
  71     if CONST.__getattribute__('INSTALLER_TYPE') is None:
  72         logger.warning("The env variable 'INSTALLER_TYPE' is not defined.")
  73         CONST.__setattr__('INSTALLER_TYPE', 'undefined')
  74     else:
  75         if (CONST.__getattribute__('INSTALLER_TYPE') not in
  76                 opnfv_constants.INSTALLERS):
  77             logger.warning("INSTALLER_TYPE=%s is not a valid OPNFV installer. "
  78                            "Available OPNFV Installers are : %s. "
  79                            "Setting INSTALLER_TYPE=undefined."
  80                            % (CONST.__getattribute__('INSTALLER_TYPE'),
  81                               opnfv_constants.INSTALLERS))
  82             CONST.__setattr__('INSTALLER_TYPE', 'undefined')
  83         else:
  84             logger.info("    INSTALLER_TYPE=%s"
  85                         % CONST.__getattribute__('INSTALLER_TYPE'))
  86
  87     if CONST.__getattribute__('INSTALLER_IP') is None:
  88         logger.warning(
  89             "The env variable 'INSTALLER_IP' is not defined. It is recommended"
  90             " to extract some information from the deployment")
  91     else:
  92         logger.info("    INSTALLER_IP=%s" %
  93                     CONST.__getattribute__('INSTALLER_IP'))
  94
  95     if CONST.__getattribute__('DEPLOY_SCENARIO') is None:
  96         logger.warning("The env variable 'DEPLOY_SCENARIO' is not defined. "
  97                        "Setting CI_SCENARIO=undefined.")
  98         CONST.__setattr__('DEPLOY_SCENARIO', 'undefined')
  99     else:
 100         logger.info("    DEPLOY_SCENARIO=%s"
 101                     % CONST.__getattribute__('DEPLOY_SCENARIO'))
 102     if CONST.__getattribute__('CI_DEBUG'):
 103         logger.info("    CI_DEBUG=%s" % CONST.__getattribute__('CI_DEBUG'))
 104
 105     if CONST.__getattribute__('NODE_NAME'):
 106         logger.info("    NODE_NAME=%s" % CONST.__getattribute__('NODE_NAME'))
 107
 108     if CONST.__getattribute__('BUILD_TAG'):
 109         logger.info("    BUILD_TAG=%s" % CONST.__getattribute__('BUILD_TAG'))
 110
 111     if CONST.__getattribute__('IS_CI_RUN'):
 112         logger.info("    IS_CI_RUN=%s" % CONST.__getattribute__('IS_CI_RUN'))
 113
 114
 115 def get_deployment_handler():
 116     global handler
 117     global pod_arch
 118
 119     installer_params_yaml = pkg_resources.resource_filename(
 120             'functest', 'ci/installer_params.yaml')
 121     if (CONST.__getattribute__('INSTALLER_IP') and
 122         CONST.__getattribute__('INSTALLER_TYPE') and
 123             CONST.__getattribute__('INSTALLER_TYPE') in
 124             opnfv_constants.INSTALLERS):
 125         try:
 126             installer_params = ft_utils.get_parameter_from_yaml(
 127                 CONST.__getattribute__('INSTALLER_TYPE'),
 128                 installer_params_yaml)
 129         except ValueError as e:
 130             logger.debug('Printing deployment info is not supported for %s' %
 131                          CONST.__getattribute__('INSTALLER_TYPE'))
 132             logger.debug(e)
 133         else:
 134             user = installer_params.get('user', None)
 135             password = installer_params.get('password', None)
 136             pkey = installer_params.get('pkey', None)
 137             try:
 138                 handler = factory.Factory.get_handler(
 139                     installer=CONST.__getattribute__('INSTALLER_TYPE'),
 140                     installer_ip=CONST.__getattribute__('INSTALLER_IP'),
 141                     installer_user=user,
 142                     installer_pwd=password,
 143                     pkey_file=pkey)
 144                 if handler:
 145                     pod_arch = handler.get_arch()
 146             except Exception as e:
 147                 logger.debug("Cannot get deployment information. %s" % e)
 148
 149
 150 def create_directories():
 151     print_separator()
 152     logger.info("Creating needed directories...")
 153     if not os.path.exists(CONST.__getattribute__('dir_functest_conf')):
 154         os.makedirs(CONST.__getattribute__('dir_functest_conf'))
 155         logger.info("    %s created." %
 156                     CONST.__getattribute__('dir_functest_conf'))
 157     else:
 158         logger.debug("   %s already exists." %
 159                      CONST.__getattribute__('dir_functest_conf'))
 160
 161     if not os.path.exists(CONST.__getattribute__('dir_functest_data')):
 162         os.makedirs(CONST.__getattribute__('dir_functest_data'))
 163         logger.info("    %s created." %
 164                     CONST.__getattribute__('dir_functest_data'))
 165     else:
 166         logger.debug("   %s already exists." %
 167                      CONST.__getattribute__('dir_functest_data'))
 168     if not os.path.exists(CONST.__getattribute__('dir_functest_images')):
 169         os.makedirs(CONST.__getattribute__('dir_functest_images'))
 170         logger.info("    %s created." %
 171                     CONST.__getattribute__('dir_functest_images'))
 172     else:
 173         logger.debug("   %s already exists." %
 174                      CONST.__getattribute__('dir_functest_images'))
 175
 176
 177 def source_rc_file():
 178     print_separator()
 179
 180     if CONST.__getattribute__('openstack_creds') is None:
 181         logger.warning("The environment variable 'creds' must be set and"
 182                        "pointing to the local RC file. Using default: "
 183                        "/home/opnfv/functest/conf/openstack.creds ...")
 184         os.path.join(
 185             CONST.__getattribute__('dir_functest_conf'), 'openstack.creds')
 186
 187     if not os.path.isfile(CONST.__getattribute__('openstack_creds')):
 188         raise Exception(
 189             "OpenStack credentials file not provided. "
 190             "The OpenStack credentials must be in {}"
 191             .format(CONST.__getattribute__('openstack_creds')))
 192     else:
 193         logger.info("RC file provided in %s."
 194                     % CONST.__getattribute__('openstack_creds'))
 195         if os.path.getsize(CONST.__getattribute__('openstack_creds')) == 0:
 196             raise Exception(
 197                 "The OpenStack RC file {} is empty."
 198                 .format(CONST.__getattribute__('openstack_creds')))
 199
 200     logger.info("Sourcing the OpenStack RC file...")
 201     os_utils.source_credentials(CONST.__getattribute__('openstack_creds'))
 202     for key, value in os.environ.iteritems():
 203         if re.search("OS_", key):
 204             if key == 'OS_AUTH_URL':
 205                 CONST.__setattr__('OS_AUTH_URL', value)
 206             elif key == 'OS_USERNAME':
 207                 CONST.__setattr__('OS_USERNAME', value)
 208             elif key == 'OS_TENANT_NAME':
 209                 CONST.__setattr__('OS_TENANT_NAME', value)
 210             elif key == 'OS_PASSWORD':
 211                 CONST.__setattr__('OS_PASSWORD', value)
 212
 213
 214 def update_config_file():
 215     patch_file(CONFIG_PATCH_PATH)
 216
 217     if pod_arch and pod_arch in arch_filter:
 218         patch_file(CONFIG_AARCH64_PATCH_PATH)
 219
 220     if "TEST_DB_URL" in os.environ:
 221         update_db_url()
 222
 223
 224 def patch_file(patch_file_path):
 225     logger.debug('Updating file: %s', patch_file_path)
 226     with open(patch_file_path) as f:
 227         patch_file = yaml.safe_load(f)
 228
 229     updated = False
 230     for key in patch_file:
 231         if key in CONST.__getattribute__('DEPLOY_SCENARIO'):
 232             new_functest_yaml = dict(ft_utils.merge_dicts(
 233                 ft_utils.get_functest_yaml(), patch_file[key]))
 234             updated = True
 235
 236     if updated:
 237         os.remove(CONFIG_FUNCTEST_PATH)
 238         with open(CONFIG_FUNCTEST_PATH, "w") as f:
 239             f.write(yaml.dump(new_functest_yaml, default_style='"'))
 240
 241
 242 def update_db_url():
 243     with open(CONFIG_FUNCTEST_PATH) as f:
 244         functest_yaml = yaml.safe_load(f)
 245
 246     with open(CONFIG_FUNCTEST_PATH, "w") as f:
 247         functest_yaml["results"]["test_db_url"] = os.environ.get('TEST_DB_URL')
 248         f.write(yaml.dump(functest_yaml, default_style='"'))
 249
 250
 251 def verify_deployment():
 252     print_separator()
 253     logger.info("Verifying OpenStack services...")
 254     cmd = "check_os.sh"
 255
 256     logger.debug("Executing command: %s" % cmd)
 257     p = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True)
 258
 259     while p.poll() is None:
 260         line = p.stdout.readline().rstrip()
 261         if "ERROR" in line:
 262             logger.error(line)
 263             raise Exception("Problem while running '{}'.".format(cmd))
 264         logger.info(line)
 265
 266
 267 def install_rally():
 268     print_separator()
 269
 270     if pod_arch and pod_arch in arch_filter:
 271         logger.info("Apply aarch64 specific to rally config...")
 272         with open(RALLY_AARCH64_PATCH_PATH, "r") as f:
 273             rally_patch_conf = f.read()
 274
 275         for line in fileinput.input(RALLY_CONF_PATH, inplace=1):
 276             print line,
 277             if "cirros|testvm" in line:
 278                 print rally_patch_conf
 279
 280     logger.info("Creating Rally environment...")
 281
 282     cmd = "rally deployment destroy opnfv-rally"
 283     ft_utils.execute_command(cmd, error_msg=(
 284         "Deployment %s does not exist."
 285         % CONST.__getattribute__('rally_deployment_name')),
 286         verbose=False)
 287
 288     rally_conf = os_utils.get_credentials_for_rally()
 289     with open('rally_conf.json', 'w') as fp:
 290         json.dump(rally_conf, fp)
 291     cmd = ("rally deployment create "
 292            "--file=rally_conf.json --name={0}"
 293            .format(CONST.__getattribute__('rally_deployment_name')))
 294     error_msg = "Problem while creating Rally deployment"
 295     ft_utils.execute_command_raise(cmd, error_msg=error_msg)
 296
 297     cmd = "rally deployment check"
 298     error_msg = "OpenStack not responding or faulty Rally deployment."
 299     ft_utils.execute_command_raise(cmd, error_msg=error_msg)
 300
 301     cmd = "rally deployment list"
 302     ft_utils.execute_command(cmd,
 303                              error_msg=("Problem while listing "
 304                                         "Rally deployment."))
 305
 306     cmd = "rally plugin list | head -5"
 307     ft_utils.execute_command(cmd,
 308                              error_msg=("Problem while showing "
 309                                         "Rally plugins."))
 310
 311
 312 def install_tempest():
 313     logger.info("Installing tempest from existing repo...")
 314     cmd = ("rally verify list-verifiers | "
 315            "grep '{0}' | wc -l".format(
 316                CONST.__getattribute__('tempest_deployment_name')))
 317     p = subprocess.Popen(cmd, stdout=subprocess.PIPE, shell=True)
 318     while p.poll() is None:
 319         line = p.stdout.readline().rstrip()
 320         if str(line) == '0':
 321             logger.debug("Tempest %s does not exist" %
 322                          CONST.__getattribute__('tempest_deployment_name'))
 323             cmd = ("rally verify create-verifier --source {0} "
 324                    "--name {1} --type tempest --system-wide"
 325                    .format(CONST.__getattribute__('dir_repo_tempest'),
 326                            CONST.__getattribute__('tempest_deployment_name')))
 327             error_msg = "Problem while installing Tempest."
 328             ft_utils.execute_command_raise(cmd, error_msg=error_msg)
 329
 330
 331 def create_flavor():
 332     _, flavor_id = os_utils.get_or_create_flavor('m1.tiny',
 333                                                  '512',
 334                                                  '1',
 335                                                  '1',
 336                                                  public=True)
 337     if flavor_id is None:
 338         raise Exception('Failed to create flavor')
 339
 340
 341 def check_environment():
 342     msg_not_active = "The Functest environment is not installed."
 343     if not os.path.isfile(CONST.__getattribute__('env_active')):
 344         raise Exception(msg_not_active)
 345
 346     with open(CONST.__getattribute__('env_active'), "r") as env_file:
 347         s = env_file.read()
 348         if not re.search("1", s):
 349             raise Exception(msg_not_active)
 350
 351     logger.info("Functest environment is installed.")
 352
 353
 354 def print_deployment_info():
 355     if handler:
 356         logger.info('\n\nDeployment information:\n%s' %
 357                     handler.get_deployment_info())
 358
 359
 360 def prepare_env(**kwargs):
 361     try:
 362         if not (kwargs['action'] in actions):
 363             logger.error('Argument not valid.')
 364             return -1
 365         elif kwargs['action'] == "start":
 366             logger.info("######### Preparing Functest environment #########\n")
 367             check_env_variables()
 368             create_directories()
 369             source_rc_file()
 370             update_config_file()
 371             verify_deployment()
 372             install_rally()
 373             install_tempest()
 374             create_flavor()
 375             with open(CONST.__getattribute__('env_active'), "w") as env_file:
 376                 env_file.write("1")
 377             check_environment()
 378         elif kwargs['action'] == "check":
 379             check_environment()
 380     except Exception as e:
 381         logger.error(e)
 382         return -1
 383     return 0
 384
 385
 386 def main():
 387     logging.config.fileConfig(pkg_resources.resource_filename(
 388         'functest', 'ci/logging.ini'))
 389     parser = PrepareEnvParser()
 390     args = parser.parse_args(sys.argv[1:])
 391     return prepare_env(**args)