testcases/config_functest.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright (c) 2015 Ericsson
   4 # jose.lausuch@ericsson.com
   5 # All rights reserved. This program and the accompanying materials
   6 # are made available under the terms of the Apache License, Version 2.0
   7 # which accompanies this distribution, and is available at
   8 # http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10
  11 import re, json, os, urllib2, argparse, logging, shutil, subprocess, yaml
  12 from git import Repo
  13
  14 from neutronclient.v2_0 import client
  15
  16 actions = ['start', 'check', 'clean']
  17
  18
  19
  20 parser = argparse.ArgumentParser()
  21 parser.add_argument("action", help="Possible actions are: '{d[0]}|{d[1]}|{d[2]}' ".format(d=actions))
  22 parser.add_argument("-d", "--debug", help="Debug mode",  action="store_true")
  23 args = parser.parse_args()
  24
  25
  26 """ logging configuration """
  27 logger = logging.getLogger('config_functest')
  28 logger.setLevel(logging.DEBUG)
  29
  30 ch = logging.StreamHandler()
  31 if args.debug:
  32     ch.setLevel(logging.DEBUG)
  33 else:
  34     ch.setLevel(logging.INFO)
  35
  36 formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
  37 ch.setFormatter(formatter)
  38 logger.addHandler(ch)
  39
  40
  41
  42 yaml_url = 'https://git.opnfv.org/cgit/functest/plain/testcases/functest.yaml'
  43 name = yaml_url.rsplit('/')[-1]
  44 dest = "./" + name
  45 if not os.path.exists(dest):
  46     logger.info("Downloading functest.yaml...")
  47     try:
  48         response = urllib2.urlopen(yaml_url)
  49     except (urllib2.HTTPError, urllib2.URLError):
  50         logger.error("Error in fetching %s" %yaml_url)
  51         exit(-1)
  52     with open(dest, 'wb') as f:
  53         f.write(response.read())
  54     logger.info("functest.yaml stored in %s" % dest)
  55 else:
  56     logger.info("functest.yaml found in %s" % dest)
  57
  58
  59 with open('./functest.yaml') as f:
  60     functest_yaml = yaml.safe_load(f)
  61 f.close()
  62
  63
  64 """ global variables """
  65 # Directories
  66 HOME = os.environ['HOME']+"/"
  67 FUNCTEST_BASE_DIR = HOME + functest_yaml.get("general").get("directories").get("dir_functest")
  68 RALLY_REPO_DIR = HOME + functest_yaml.get("general").get("directories").get("dir_rally_repo")
  69 RALLY_TEST_DIR = HOME + functest_yaml.get("general").get("directories").get("dir_rally")
  70 RALLY_INSTALLATION_DIR = HOME + functest_yaml.get("general").get("directories").get("dir_rally_inst")
  71 BENCH_TESTS_DIR = HOME + functest_yaml.get("general").get("directories").get("dir_rally_scn")
  72 VPING_DIR = HOME + functest_yaml.get("general").get("directories").get("dir_vping")
  73 ODL_DIR = HOME + functest_yaml.get("general").get("directories").get("dir_odl")
  74
  75 # NEUTRON Public Network parameters
  76 NEUTRON_PUBLIC_NET_NAME = functest_yaml.get("general").get("openstack").get("neutron_public_net_name")
  77 NEUTRON_PUBLIC_SUBNET_NAME = functest_yaml.get("general").get("openstack").get("neutron_public_subnet_name")
  78 NEUTRON_PUBLIC_SUBNET_CIDR = functest_yaml.get("general").get("openstack").get("neutron_public_subnet_cidr")
  79 NEUTRON_PUBLIC_SUBNET_START = functest_yaml.get("general").get("openstack").get("neutron_public_subnet_start")
  80 NEUTRON_PUBLIC_SUBNET_END = functest_yaml.get("general").get("openstack").get("neutron_public_subnet_end")
  81
  82 # NEUTRON Private Network parameters
  83 NEUTRON_PRIVATE_NET_NAME = functest_yaml.get("general").get("openstack").get("neutron_private_net_name")
  84 NEUTRON_PRIVATE_SUBNET_NAME = functest_yaml.get("general").get("openstack").get("neutron_private_subnet_name")
  85 NEUTRON_PRIVATE_SUBNET_CIDR = functest_yaml.get("general").get("openstack").get("neutron_private_subnet_cidr")
  86 ROUTER_NAME = functest_yaml.get("general").get("openstack").get("neutron_router_name")
  87
  88 #GLANCE image parameters
  89 IMAGE_URL = functest_yaml.get("general").get("openstack").get("image_url")
  90 IMAGE_DISK_FORMAT = functest_yaml.get("general").get("openstack").get("image_disk_format")
  91 IMAGE_NAME = functest_yaml.get("general").get("openstack").get("image_name")
  92 IMAGE_FILE_NAME = IMAGE_URL.rsplit('/')[-1]
  93 IMAGE_DOWNLOAD_PATH = FUNCTEST_BASE_DIR + IMAGE_FILE_NAME
  94
  95 credentials = None
  96 neutron_client = None
  97
  98 def config_functest_start():
  99     """
 100     Start the functest environment installation
 101     """
 102
 103     if config_functest_check():
 104         logger.info("Functest environment already installed in %s. Nothing to do." %FUNCTEST_BASE_DIR)
 105         exit(0)
 106
 107     if not check_internet_connectivity():
 108         logger.error("There is no Internet connectivity. Please check the network configuration.")
 109         exit(-1)
 110     elif not check_credentials():
 111         logger.error("Please source the openrc credentials and run the script again.")
 112         #TODO: source the credentials in this script
 113         exit(-1)
 114
 115     else:
 116         # Clean in case there are left overs
 117
 118         config_functest_clean()
 119
 120         logger.info("Starting installationg of functest environment in %s" % FUNCTEST_BASE_DIR)
 121         os.makedirs(FUNCTEST_BASE_DIR)
 122         if not os.path.exists(FUNCTEST_BASE_DIR):
 123             logger.error("There has been a problem while creating the environment directory.")
 124             exit(-1)
 125
 126         logger.info("Donwloading test scripts and scenarios...")
 127         if not download_tests():
 128             logger.error("There has been a problem while downloading the test scripts and scenarios.")
 129             config_functest_clean()
 130             exit(-1)
 131
 132         logger.info("Installing Rally...")
 133         if not install_rally():
 134             logger.error("There has been a problem while installing Rally.")
 135             config_functest_clean()
 136             exit(-1)
 137
 138         logger.info("Installing ODL environment...")
 139         if not install_odl():
 140             logger.error("There has been a problem while installing Robot.")
 141             config_functest_clean()
 142             exit(-1)
 143
 144         credentials = get_credentials()
 145         neutron_client = client.Client(**credentials)
 146
 147         logger.info("Configuring Neutron...")
 148         logger.info("Checking if public network '%s' exists..." % NEUTRON_PUBLIC_NET_NAME)
 149         #Now: if exists we don't create it again (the clean command does not clean the neutron networks yet)
 150         if check_neutron_net(neutron_client, NEUTRON_PUBLIC_NET_NAME):
 151             logger.info("Public network '%s' found. No need to create another one." % NEUTRON_PUBLIC_NET_NAME)
 152         else:
 153             logger.info("Public network '%s' not found. Creating..." % NEUTRON_PUBLIC_NET_NAME)
 154             if not create_public_neutron_net(neutron_client):
 155                 logger.error("There has been a problem while creating the Neutron network.")
 156                 #config_functest_clean()
 157                 exit(-1)
 158
 159
 160         logger.info("Checking if private network '%s' exists..." % NEUTRON_PRIVATE_NET_NAME)
 161         #Now: if exists we don't create it again (the clean command does not clean the neutron networks yet)
 162         if check_neutron_net(neutron_client, NEUTRON_PRIVATE_NET_NAME):
 163             logger.info("Private network '%s' found. No need to create another one." % NEUTRON_PRIVATE_NET_NAME)
 164         else:
 165             logger.info("Private network '%s' not found. Creating..." % NEUTRON_PRIVATE_NET_NAME)
 166             if not create_private_neutron_net(neutron_client):
 167                 logger.error("There has been a problem while creating the Neutron network.")
 168                 #config_functest_clean()
 169                 exit(-1)
 170
 171
 172         logger.info("Donwloading image...")
 173         if not download_url_with_progress(IMAGE_URL, FUNCTEST_BASE_DIR):
 174             logger.error("There has been a problem while downloading the image.")
 175             config_functest_clean()
 176             exit(-1)
 177
 178         logger.info("Creating Glance image: %s ..." %IMAGE_NAME)
 179         if not create_glance_image(IMAGE_DOWNLOAD_PATH,IMAGE_NAME,IMAGE_DISK_FORMAT):
 180             logger.error("There has been a problem while creating the Glance image.")
 181             config_functest_clean()
 182             exit(-1)
 183
 184         exit(0)
 185
 186
 187
 188 def config_functest_check():
 189     """
 190     Check if the functest environment is properly installed
 191     """
 192     errors_all = False
 193
 194     logger.info("Checking current functest configuration...")
 195     credentials = get_credentials()
 196     neutron_client = client.Client(**credentials)
 197
 198     logger.debug("Checking directories...")
 199     errors = False
 200     dirs = [FUNCTEST_BASE_DIR, RALLY_INSTALLATION_DIR, RALLY_REPO_DIR, RALLY_TEST_DIR, BENCH_TESTS_DIR, VPING_DIR, ODL_DIR]
 201     for dir in dirs:
 202         if not os.path.exists(dir):
 203             logger.debug("The directory '%s' does NOT exist." % dir)
 204             errors = True
 205             errors_all = True
 206         else:
 207             logger.debug("   %s found" % dir)
 208     if not errors:
 209         logger.debug("...OK")
 210     else:
 211         logger.debug("...FAIL")
 212
 213
 214     logger.debug("Checking Rally deployment...")
 215     if not check_rally():
 216         logger.debug("Rally deployment NOT found.")
 217         errors_all = True
 218         logger.debug("...FAIL")
 219     else:
 220         logger.debug("...OK")
 221
 222
 223     logger.debug("Checking Neutron...")
 224     errors = False
 225     if not check_neutron_net(neutron_client, NEUTRON_PRIVATE_NET_NAME):
 226         logger.debug("   Private network '%s' NOT found." % NEUTRON_PRIVATE_NET_NAME)
 227         errors = True
 228         errors_all = True
 229     else:
 230         logger.debug("   Private network '%s' found." % NEUTRON_PRIVATE_NET_NAME)
 231
 232     if not check_neutron_net(neutron_client, NEUTRON_PUBLIC_NET_NAME):
 233         logger.debug("   Public network '%s' NOT found." % NEUTRON_PUBLIC_NET_NAME)
 234         errors = True
 235         errors_all = True
 236     else:
 237         logger.debug("   Public network '%s' found." % NEUTRON_PUBLIC_NET_NAME)
 238
 239     if not errors:
 240         logger.debug("...OK")
 241     else:
 242         logger.debug("...FAIL")
 243
 244
 245     logger.debug("Checking Image...")
 246     errors = False
 247     if not os.path.isfile(IMAGE_DOWNLOAD_PATH):
 248         logger.debug("   Image file '%s' NOT found." % IMAGE_DOWNLOAD_PATH)
 249         errors = True
 250         errors_all = True
 251     else:
 252         logger.debug("   Image file found in %s" % IMAGE_DOWNLOAD_PATH)
 253
 254     cmd="glance image-list | grep " + IMAGE_NAME
 255     FNULL = open(os.devnull, 'w');
 256     logger.debug('   Executing command : {}'.format(cmd))
 257     p=subprocess.Popen(cmd,shell=True,stdout=subprocess.PIPE,stderr=FNULL);
 258     #if the command does not exist or there is no glance image
 259     line = p.stdout.readline()
 260     if line == "":
 261         logger.debug("   Glance image NOT found.")
 262         errors = True
 263         errors_all = True
 264     else:
 265         logger.debug("   Glance image found.")
 266
 267     if not errors:
 268         logger.debug("...OK")
 269     else:
 270         logger.debug("...FAIL")
 271
 272     #TODO: check OLD environment setup
 273     if errors_all:
 274         return False
 275     else:
 276         return True
 277
 278
 279
 280
 281 def config_functest_clean():
 282     """
 283     Clean the existing functest environment
 284     """
 285     logger.info("Removing current functest environment...")
 286     if os.path.exists(RALLY_INSTALLATION_DIR):
 287         logger.debug("Removing rally installation directory %s" % RALLY_INSTALLATION_DIR)
 288         shutil.rmtree(RALLY_INSTALLATION_DIR,ignore_errors=True)
 289
 290     if os.path.exists(FUNCTEST_BASE_DIR):
 291         logger.debug("Removing functest directory %s" % FUNCTEST_BASE_DIR)
 292         cmd = "sudo rm -rf " + FUNCTEST_BASE_DIR #need to be sudo, not possible with rmtree
 293         execute_command(cmd)
 294
 295     #logger.debug("Deleting Neutron network %s" % NEUTRON_PRIVATE_NET_NAME)
 296     #if not delete_neutron_net() :
 297     #    logger.error("Error deleting the network. Remove it manually.")
 298
 299     logger.debug("Deleting glance images")
 300     cmd = "glance image-list | grep "+IMAGE_NAME+" | cut -c3-38"
 301     p = os.popen(cmd,"r")
 302
 303     #while image_id = p.readline()
 304     for image_id in p.readlines():
 305         cmd = "glance image-delete " + image_id
 306         execute_command(cmd)
 307
 308     return True
 309
 310
 311
 312
 313
 314 def install_rally():
 315     if check_rally():
 316         logger.info("Rally is already installed.")
 317     else:
 318         logger.debug("Cloning repository...")
 319         url = "https://git.openstack.org/openstack/rally"
 320         Repo.clone_from(url, RALLY_REPO_DIR)
 321
 322         logger.debug("Executing %s./install_rally.sh..." %RALLY_REPO_DIR)
 323         install_script = RALLY_REPO_DIR + "install_rally.sh"
 324         cmd = 'sudo ' + install_script
 325         execute_command(cmd)
 326         #subprocess.call(['sudo', install_script])
 327
 328         logger.debug("Creating Rally environment...")
 329         cmd = "rally deployment create --fromenv --name=opnfv-arno-rally"
 330         execute_command(cmd)
 331
 332         logger.debug("Installing tempest...")
 333         cmd = "rally-manage tempest install"
 334         execute_command(cmd)
 335
 336         cmd = "rally deployment check"
 337         execute_command(cmd)
 338         #TODO: check that everything is 'Available' and warn if not
 339
 340         cmd = "rally show images"
 341         execute_command(cmd)
 342
 343         cmd = "rally show flavors"
 344         execute_command(cmd)
 345
 346     return True
 347
 348
 349
 350 def check_rally():
 351     """
 352     Check if Rally is installed and properly configured
 353     """
 354     if os.path.exists(RALLY_INSTALLATION_DIR):
 355         logger.debug("   Rally installation directory found in %s" % RALLY_INSTALLATION_DIR)
 356         FNULL = open(os.devnull, 'w');
 357         cmd="rally deployment list | grep opnfv";
 358         logger.debug('   Executing command : {}'.format(cmd))
 359         p=subprocess.Popen(cmd,shell=True,stdout=subprocess.PIPE,stderr=FNULL);
 360         #if the command does not exist or there is no deployment
 361         line = p.stdout.readline()
 362         if line == "":
 363             logger.debug("   Rally deployment not found")
 364             return False
 365         logger.debug("   Rally deployment found")
 366         return True
 367     else:
 368         logger.debug("   Rally installation directory not found")
 369         return False
 370
 371
 372 def install_odl():
 373     cmd = "chmod +x " + ODL_DIR + "create_venv.sh"
 374     execute_command(cmd)
 375     cmd = ODL_DIR + "create_venv.sh"
 376     execute_command(cmd)
 377     return True
 378
 379
 380 def check_credentials():
 381     """
 382     Check if the OpenStack credentials (openrc) are sourced
 383     """
 384     #TODO: there must be a short way to do this, doing if os.environ["something"] == "" throws an error
 385     try:
 386        os.environ['OS_AUTH_URL']
 387     except KeyError:
 388         return False
 389     try:
 390        os.environ['OS_USERNAME']
 391     except KeyError:
 392         return False
 393     try:
 394        os.environ['OS_PASSWORD']
 395     except KeyError:
 396         return False
 397     try:
 398        os.environ['OS_TENANT_NAME']
 399     except KeyError:
 400         return False
 401     try:
 402        os.environ['OS_REGION_NAME']
 403     except KeyError:
 404         return False
 405     return True
 406
 407
 408 def get_credentials():
 409     d = {}
 410     d['username'] = os.environ['OS_USERNAME']
 411     d['password'] = os.environ['OS_PASSWORD']
 412     d['auth_url'] = os.environ['OS_AUTH_URL']
 413     d['tenant_name'] = os.environ['OS_TENANT_NAME']
 414     return d
 415
 416 def get_nova_credentials():
 417     d = {}
 418     d['username'] = os.environ['OS_USERNAME']
 419     d['api_key'] = os.environ['OS_PASSWORD']
 420     d['auth_url'] = os.environ['OS_AUTH_URL']
 421     d['project_id'] = os.environ['OS_TENANT_NAME']
 422     return d
 423
 424
 425 def download_tests():
 426     os.makedirs(VPING_DIR)
 427     os.makedirs(ODL_DIR)
 428     os.makedirs(BENCH_TESTS_DIR)
 429
 430     logger.info("Copying functest.yaml to functest environment...")
 431     try:
 432         shutil.copy("./functest.yaml", FUNCTEST_BASE_DIR+"functest.yaml")
 433     except:
 434         print "Error copying the file:", sys.exc_info()[0]
 435         return False
 436
 437     logger.info("Downloading vPing test...")
 438     vPing_url = 'https://git.opnfv.org/cgit/functest/plain/testcases/vPing/CI/libraries/vPing.py'
 439     if not download_url(vPing_url,VPING_DIR):
 440         return False
 441
 442
 443     logger.info("Downloading Rally bench tests...")
 444     run_rally_url = 'https://git.opnfv.org/cgit/functest/plain/testcases/VIM/OpenStack/CI/libraries/run_rally.py'
 445     if not download_url(run_rally_url,RALLY_TEST_DIR):
 446         return False
 447
 448     rally_bench_base_url = 'https://git.opnfv.org/cgit/functest/plain/testcases/VIM/OpenStack/CI/suites/'
 449     bench_tests = ['authenticate', 'cinder', 'glance', 'heat', 'keystone', 'neutron', 'nova', 'quotas', 'requests', 'tempest', 'vm']
 450     for i in bench_tests:
 451         rally_bench_url = rally_bench_base_url + "opnfv-" + i + ".json"
 452         logger.debug("Downloading %s" %rally_bench_url)
 453         if not download_url(rally_bench_url,BENCH_TESTS_DIR):
 454             return False
 455
 456     logger.info("Downloading OLD tests...")
 457     odl_base_url = 'https://git.opnfv.org/cgit/functest/plain/testcases/Controllers/ODL/CI/'
 458     odl_tests = ['create_venv.sh', 'requirements.pip', 'start_tests.sh', 'test_list.txt']
 459     for i in odl_tests:
 460         odl_url = odl_base_url + i
 461         logger.debug("Downloading %s" %odl_url)
 462         if not download_url(odl_url,ODL_DIR):
 463             return False
 464
 465     return True
 466
 467 def create_public_neutron_net(neutron):
 468     try:
 469         neutron.format = 'json'
 470         logger.debug('Creating Neutron network %s...' % NEUTRON_PUBLIC_NET_NAME)
 471         json_body = {'network': {'name': NEUTRON_PUBLIC_NET_NAME, 'admin_state_up': True, 'router:external': True}}
 472         netw = neutron.create_network(body=json_body)
 473         net_dict = netw['network']
 474         network_id = net_dict['id']
 475         logger.debug("Network '%s' created successfully" % network_id)
 476
 477         logger.debug('Creating Subnet....')
 478         json_body = {'subnets': [{'cidr': NEUTRON_PUBLIC_SUBNET_CIDR,
 479                            'ip_version': 4, 'network_id': network_id}]}
 480         subnet = neutron.create_subnet(body=json_body)
 481         logger.debug("Subnet '%s' created successfully" % subnet)
 482     except:
 483         print "Error:", sys.exc_info()[0]
 484         return False
 485
 486     logger.info("Public Neutron network created successfully.")
 487     return True
 488
 489 def create_private_neutron_net(neutron):
 490     try:
 491         neutron.format = 'json'
 492         logger.debug('Creating Neutron network %s...' % NEUTRON_PRIVATE_NET_NAME)
 493         json_body = {'network': {'name': NEUTRON_PRIVATE_NET_NAME,
 494                     'admin_state_up': True}}
 495         netw = neutron.create_network(body=json_body)
 496         net_dict = netw['network']
 497         network_id = net_dict['id']
 498         logger.debug("Network '%s' created successfully" % network_id)
 499
 500         logger.debug('Creating Subnet....')
 501         json_body = {'subnets': [{'cidr': NEUTRON_PRIVATE_SUBNET_CIDR,
 502                            'ip_version': 4, 'network_id': network_id}]}
 503         subnet = neutron.create_subnet(body=json_body)
 504         logger.debug("Subnet '%s' created successfully" % subnet)
 505
 506         logger.debug('Creating Router...')
 507         json_body = {'router': {'name': ROUTER_NAME, 'admin_state_up': True}}
 508         router = neutron.create_router(json_body)
 509         logger.debug("Router '%s' created successfully" % router)
 510         router_id = router['router']['id']
 511
 512         logger.debug('Creating Port')
 513         json_body = {'port': {
 514          'admin_state_up': True,
 515          'device_id': router_id,
 516          'name': 'port1',
 517          'network_id': network_id,
 518         }}
 519         response = neutron.create_port(body=json_body)
 520         logger.debug("Port created successfully.")
 521
 522         logger.debug('Setting up gateway...')
 523         public_network_id = get_network_id(neutron,NEUTRON_PUBLIC_NET_NAME)
 524         json_body = {'network_id': public_network_id, 'enable_snat' :  True}
 525         gateway = neutron.add_gateway_router(router_id,body=json_body)
 526         logger.debug("Gateway '%s' added successfully" % gateway)
 527     except:
 528         print "Error:", sys.exc_info()[0]
 529         return False
 530
 531     logger.info("Private Neutron network created successfully.")
 532     return True
 533
 534 def get_network_id(neutron, network_name):
 535     networks = neutron.list_networks()['networks']
 536     id  = ''
 537     for n in networks:
 538         if n['name'] == network_name:
 539             id = n['id']
 540             break
 541     return id
 542
 543 def check_neutron_net(neutron, net_name):
 544     for network in neutron.list_networks()['networks']:
 545         if network['name'] == net_name :
 546             for subnet in network['subnets']:
 547                 return True
 548     return False
 549
 550 def delete_neutron_net(neutron):
 551     #TODO: remove router, ports
 552     try:
 553         #https://github.com/isginf/openstack_tools/blob/master/openstack_remove_tenant.py
 554         for network in neutron.list_networks()['networks']:
 555             if network['name'] == NEUTRON_PRIVATE_NET_NAME :
 556                 for subnet in network['subnets']:
 557                     print "Deleting subnet " + subnet
 558                     neutron.delete_subnet(subnet)
 559                 print "Deleting network " + network['name']
 560                 neutron.delete_neutron_net(network['id'])
 561     finally:
 562         return True
 563     return False
 564
 565
 566
 567
 568
 569 def create_glance_image(path,name,disk_format):
 570     """
 571     Create a glance image given the absolute path of the image, its name and the disk format
 572     """
 573     cmd = "glance image-create --name "+name+" --is-public true --disk-format "+disk_format+" --container-format bare --file "+path
 574     execute_command(cmd)
 575     return True
 576
 577
 578
 579
 580
 581 def download_url(url, dest_path):
 582     """
 583     Download a file to a destination path given a URL
 584     """
 585     name = url.rsplit('/')[-1]
 586     dest = dest_path + name
 587     try:
 588         response = urllib2.urlopen(url)
 589     except (urllib2.HTTPError, urllib2.URLError):
 590         logger.error("Error in fetching %s" %url)
 591         return False
 592
 593     with open(dest, 'wb') as f:
 594         f.write(response.read())
 595     return True
 596
 597
 598 def download_url_with_progress(url, dest_path):
 599     """
 600     Download a file to a destination path given a URL showing the progress
 601     """
 602     name = url.rsplit('/')[-1]
 603     dest = dest_path + name
 604     try:
 605         response = urllib2.urlopen(url)
 606     except (urllib2.HTTPError, urllib2.URLError):
 607         logger.error("Error in fetching %s" %url)
 608         return False
 609
 610     f = open(dest, 'wb')
 611     meta = response.info()
 612     file_size = int(meta.getheaders("Content-Length")[0])
 613     logger.info("Downloading: %s Bytes: %s" %(dest, file_size))
 614
 615     file_size_dl = 0
 616     block_sz = 8192
 617     while True:
 618         buffer = response.read(block_sz)
 619         if not buffer:
 620             break
 621
 622         file_size_dl += len(buffer)
 623         f.write(buffer)
 624         status = r"%10d  [%3.2f%%]" % (file_size_dl, file_size_dl * 100. / file_size)
 625         status = status + chr(8)*(len(status)+1)
 626         print status,
 627
 628     f.close()
 629     print("\n")
 630     return True
 631
 632
 633 def check_internet_connectivity(url='http://www.google.com/'):
 634     """
 635     Check if there is access to the internet
 636     """
 637     try:
 638         urllib2.urlopen(url, timeout=5)
 639         return True
 640     except urllib.request.URLError:
 641         return False
 642
 643 def execute_command(cmd):
 644     """
 645     Execute Linux command
 646     """
 647     logger.debug('Executing command : {}'.format(cmd))
 648     #p = os.popen(cmd,"r")
 649     #logger.debug(p.read())
 650     output_file = "/tmp/output.txt"
 651     f = open(output_file, 'w+')
 652     p = subprocess.call(cmd,shell=True, stdout=f, stderr=subprocess.STDOUT)
 653     f.close()
 654     f = open(output_file, 'r')
 655     logger.debug(f.read())
 656     #p = subprocess.call(cmd,shell=True);
 657     if p == 0 :
 658         return True
 659     else:
 660         logger.error("Error when executing command %s" %cmd)
 661         exit(-1)
 662
 663
 664
 665
 666 def main():
 667     if not (args.action in actions):
 668         logger.error('argument not valid')
 669         exit(-1)
 670
 671     if args.action == "start":
 672         config_functest_start()
 673
 674     if args.action == "check":
 675         if config_functest_check():
 676             logger.info("Functest environment correctly installed")
 677         else:
 678             logger.info("Functest environment not found or faulty")
 679
 680     if args.action == "clean":
 681         while True:
 682             print("Are you sure? [y|n]")
 683             answer = raw_input("")
 684             if answer == "y":
 685                 config_functest_clean()
 686                 break
 687             elif answer == "n":
 688                 break
 689             else:
 690                 print("Invalid option.")
 691     exit(0)
 692
 693
 694 if __name__ == '__main__':
 695     main()
 696