testcases/features/sfc/sfc.py

   1 import os
   2 import subprocess
   3 import sys
   4 import time
   5
   6 import argparse
   7 import paramiko
   8
   9 import functest.utils.functest_logger as ft_logger
  10 import functest.utils.functest_utils as ft_utils
  11 import functest.utils.openstack_utils as os_utils
  12
  13 parser = argparse.ArgumentParser()
  14
  15 parser.add_argument("-r", "--report",
  16                     help="Create json result file",
  17                     action="store_true")
  18
  19 args = parser.parse_args()
  20
  21 """ logging configuration """
  22 logger = ft_logger.Logger("ODL_SFC").getLogger()
  23
  24 FUNCTEST_REPO = ft_utils.FUNCTEST_REPO
  25
  26 HOME = os.environ['HOME'] + "/"
  27
  28 VM_BOOT_TIMEOUT = 180
  29 INSTANCE_NAME = "client"
  30 FLAVOR = "custom"
  31 IMAGE_NAME = "sf_nsh_colorado"
  32 IMAGE_FILENAME = "sf_nsh_colorado.qcow2"
  33 IMAGE_FORMAT = "qcow2"
  34 IMAGE_PATH = "/home/opnfv/functest/data" + "/" + IMAGE_FILENAME
  35
  36 # NEUTRON Private Network parameters
  37
  38 NET_NAME = "example-net"
  39 SUBNET_NAME = "example-subnet"
  40 SUBNET_CIDR = "11.0.0.0/24"
  41 ROUTER_NAME = "example-router"
  42
  43 SECGROUP_NAME = "example-sg"
  44 SECGROUP_DESCR = "Example Security group"
  45
  46 INSTANCE_NAME_2 = "server"
  47
  48 # TEST_DB = ft_utils.get_parameter_from_yaml("results.test_db_url")
  49
  50 PRE_SETUP_SCRIPT = 'sfc_pre_setup.bash'
  51 TACKER_SCRIPT = 'sfc_tacker.bash'
  52 TEARDOWN_SCRIPT = "sfc_teardown.bash"
  53 TACKER_CHANGECLASSI = "sfc_change_classi.bash"
  54
  55 ssh_options = '-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no'
  56
  57
  58 def check_ssh(ip):
  59     cmd = "sshpass -p opnfv ssh " + ssh_options + " -q " + ip + " exit"
  60     success = subprocess.call(cmd, shell=True) == 0
  61     if not success:
  62         logger.debug("Wating for SSH connectivity in SF with IP: %s" % ip)
  63     return success
  64
  65
  66 def main():
  67
  68     # Allow any port so that tacker commands reaches the server.
  69     # This will be deleted when tacker is included in OPNFV installation
  70
  71     status = "PASS"
  72     failures = 0
  73     start_time = time.time()
  74     json_results = {}
  75
  76     contr_cmd = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  77                  " 'fuel node'|grep controller|awk '{print $10}'")
  78     logger.info("Executing script to get ip_server: '%s'" % contr_cmd)
  79     process = subprocess.Popen(contr_cmd,
  80                                shell=True,
  81                                stdout=subprocess.PIPE,
  82                                stderr=subprocess.PIPE)
  83     ip_server = process.stdout.readline().rstrip()
  84
  85     contr_cmd2 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  86                   " 'fuel node'|grep compute|awk '{print $10}'")
  87     logger.info("Executing script to get ip_compute: '%s'" % contr_cmd2)
  88     process = subprocess.Popen(contr_cmd2,
  89                                shell=True,
  90                                stdout=subprocess.PIPE,
  91                                stderr=subprocess.PIPE)
  92     ip_compute = process.stdout.readline().rstrip()
  93
  94     iptable_cmd1 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  95                     " ssh " + ip_server + " iptables -P INPUT ACCEPT ")
  96     iptable_cmd2 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  97                     " ssh " + ip_server + " iptables -t nat -P INPUT ACCEPT ")
  98     iptable_cmd3 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  99                     " ssh " + ssh_options + " " + ip_server +
 100                     " iptables -A INPUT -m state"
 101                     " --state NEW,ESTABLISHED,RELATED -j ACCEPT")
 102
 103     logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd1)
 104     subprocess.call(iptable_cmd1, shell=True, stderr=subprocess.PIPE)
 105
 106     logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd2)
 107     subprocess.call(iptable_cmd2, shell=True, stderr=subprocess.PIPE)
 108
 109     logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd3)
 110     subprocess.call(iptable_cmd3, shell=True, stderr=subprocess.PIPE)
 111
 112 # Getting the different clients
 113
 114     nova_client = os_utils.get_nova_client()
 115     neutron_client = os_utils.get_neutron_client()
 116     glance_client = os_utils.get_glance_client()
 117
 118 # Download the image
 119
 120     if not os.path.isfile(IMAGE_PATH):
 121         logger.info("Downloading image")
 122         ft_utils.download_url(
 123             "http://artifacts.opnfv.org/sfc/demo/sf_nsh_colorado.qcow2",
 124             "/home/opnfv/functest/data/")
 125     else:
 126         logger.info("Using old image")
 127
 128 # Create glance image and the neutron network
 129
 130     image_id = os_utils.create_glance_image(glance_client,
 131                                             IMAGE_NAME,
 132                                             IMAGE_PATH,
 133                                             disk=IMAGE_FORMAT,
 134                                             container="bare",
 135                                             public=True)
 136
 137     network_dic = os_utils.create_network_full(neutron_client,
 138                                                NET_NAME,
 139                                                SUBNET_NAME,
 140                                                ROUTER_NAME,
 141                                                SUBNET_CIDR)
 142     if not network_dic:
 143         logger.error(
 144             "There has been a problem when creating the neutron network")
 145         sys.exit(-1)
 146
 147     network_id = network_dic["net_id"]
 148
 149     sg_id = os_utils.create_security_group_full(neutron_client,
 150                                                 SECGROUP_NAME, SECGROUP_DESCR)
 151
 152     secgroups = os_utils.get_security_groups(neutron_client)
 153
 154     for sg in secgroups:
 155         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 156                                       'ingress', 'tcp',
 157                                       port_range_min=22,
 158                                       port_range_max=22)
 159         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 160                                       'egress', 'tcp',
 161                                       port_range_min=22,
 162                                       port_range_max=22)
 163
 164     _, custom_flv_id = os_utils.get_or_create_flavor(
 165         'custom', 1500, 10, 1, public=True)
 166     if not custom_flv_id:
 167         logger.error("Failed to create custom flavor")
 168         sys.exit(1)
 169
 170     # boot INSTANCE
 171     logger.info("Creating instance '%s'..." % INSTANCE_NAME)
 172     logger.debug(
 173         "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
 174         "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
 175     instance = os_utils.create_instance_and_wait_for_active(FLAVOR,
 176                                                             image_id,
 177                                                             network_id,
 178                                                             INSTANCE_NAME,
 179                                                             av_zone='nova')
 180
 181     if instance is None:
 182         logger.error("Error while booting instance.")
 183         sys.exit(-1)
 184     # Retrieve IP of INSTANCE
 185     instance_ip = instance.networks.get(NET_NAME)[0]
 186     logger.debug("Instance '%s' got private ip '%s'." %
 187                  (INSTANCE_NAME, instance_ip))
 188
 189     logger.info("Adding '%s' to security group '%s'..."
 190                 % (INSTANCE_NAME, SECGROUP_NAME))
 191     os_utils.add_secgroup_to_instance(nova_client, instance.id, sg_id)
 192
 193     logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME)
 194     floatip_dic = os_utils.create_floating_ip(neutron_client)
 195     floatip_client = floatip_dic['fip_addr']
 196     # floatip_id = floatip_dic['fip_id']
 197
 198     if floatip_client is None:
 199         logger.error("Cannot create floating IP.")
 200         sys.exit(-1)
 201     logger.info("Floating IP created: '%s'" % floatip_client)
 202
 203     logger.info("Associating floating ip: '%s' to VM '%s' "
 204                 % (floatip_client, INSTANCE_NAME))
 205     if not os_utils.add_floating_ip(nova_client, instance.id, floatip_client):
 206         logger.error("Cannot associate floating IP to VM.")
 207         sys.exit(-1)
 208
 209 # STARTING SECOND VM (server) ###
 210
 211     # boot INTANCE
 212     logger.info("Creating instance '%s'..." % INSTANCE_NAME)
 213     logger.debug(
 214         "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
 215         "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
 216     instance_2 = os_utils.create_instance_and_wait_for_active(FLAVOR,
 217                                                               image_id,
 218                                                               network_id,
 219                                                               INSTANCE_NAME_2,
 220                                                               av_zone='nova')
 221
 222     if instance_2 is None:
 223         logger.error("Error while booting instance.")
 224         sys.exit(-1)
 225     # Retrieve IP of INSTANCE
 226     instance_ip_2 = instance_2.networks.get(NET_NAME)[0]
 227     logger.debug("Instance '%s' got private ip '%s'." %
 228                  (INSTANCE_NAME_2, instance_ip_2))
 229
 230     logger.info("Adding '%s' to security group '%s'..."
 231                 % (INSTANCE_NAME_2, SECGROUP_NAME))
 232     os_utils.add_secgroup_to_instance(nova_client, instance_2.id, sg_id)
 233
 234     logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME_2)
 235     floatip_dic = os_utils.create_floating_ip(neutron_client)
 236     floatip_server = floatip_dic['fip_addr']
 237     # floatip_id = floatip_dic['fip_id']
 238
 239     if floatip_server is None:
 240         logger.error("Cannot create floating IP.")
 241         sys.exit(-1)
 242     logger.info("Floating IP created: '%s'" % floatip_server)
 243
 244     logger.info("Associating floating ip: '%s' to VM '%s' "
 245                 % (floatip_server, INSTANCE_NAME_2))
 246
 247     if not os_utils.add_floating_ip(nova_client,
 248                                     instance_2.id,
 249                                     floatip_server):
 250         logger.error("Cannot associate floating IP to VM.")
 251         sys.exit(-1)
 252
 253     # CREATION OF THE 2 SF ####
 254
 255     tacker_script = "%s/testcases/features/sfc/%s" % \
 256                     (FUNCTEST_REPO, TACKER_SCRIPT)
 257     logger.info("Executing tacker script: '%s'" % tacker_script)
 258     subprocess.call(tacker_script, shell=True)
 259
 260     # SSH CALL TO START HTTP SERVER
 261     ssh = paramiko.SSHClient()
 262     ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 263
 264     try:
 265         ssh.connect(floatip_server, username="root",
 266                     password="opnfv", timeout=2)
 267         command = "python -m SimpleHTTPServer 80 > /dev/null 2>&1 &"
 268         logger.info("Starting HTTP server")
 269         (stdin, stdout, stderr) = ssh.exec_command(command)
 270     except:
 271         logger.debug("Waiting for %s..." % floatip_server)
 272         time.sleep(6)
 273         # timeout -= 1
 274
 275     instances = nova_client.servers.list(search_opts={'all_tenants': 1})
 276     ips = []
 277     try:
 278         for instance in instances:
 279             if "server" not in instance.name:
 280                 if "client" not in instance.name:
 281                     logger.debug(
 282                         "This is the instance name: %s " % instance.name)
 283                     floatip_dic = os_utils.create_floating_ip(neutron_client)
 284                     floatip = floatip_dic['fip_addr']
 285                     ips.append(floatip)
 286                     instance.add_floating_ip(floatip)
 287     except:
 288         logger.debug("Problems assigning floating IP to SFs")
 289
 290     # If no IPs were obtained, then we cant continue
 291     if not ips:
 292         logger.error('Failed to obtain IPs, cant continue, exiting')
 293         return
 294
 295     logger.debug("Floating IPs for SFs: %s..." % ips)
 296
 297     # Check SSH connectivity to VNFs
 298     r = 0
 299     retries = 100
 300     check = [False, False]
 301
 302     logger.info("Checking SSH connectivity to the SFs with ips %s" % str(ips))
 303     while r < retries and not all(check):
 304         try:
 305             check = [check_ssh(ips[0]), check_ssh(ips[1])]
 306         except Exception:
 307             logger.exception("SSH check failed")
 308             check = [False, False]
 309         time.sleep(3)
 310         r += 1
 311
 312     if not all(check):
 313         logger.error("Cannot establish SSH connection to the SFs")
 314         sys.exit(1)
 315
 316     logger.info("SSH connectivity to the SFs established")
 317
 318     # SSH TO START THE VXLAN_TOOL ON SF1
 319     logger.info("Configuring the SFs")
 320     try:
 321         ssh.connect(ips[0], username="root",
 322                     password="opnfv", timeout=2)
 323         command = ("nohup python vxlan_tool.py -i eth0 "
 324                    "-d forward -v off -b 80 > /dev/null 2>&1 &")
 325         (stdin, stdout, stderr) = ssh.exec_command(command)
 326     except:
 327         logger.debug("Waiting for %s..." % ips[0])
 328         time.sleep(6)
 329         # timeout -= 1
 330
 331     try:
 332         while 1:
 333             (stdin, stdout, stderr) = ssh.exec_command(
 334                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 335             if len(stdout.readlines()) > 0:
 336                 logger.debug("HTTP firewall started")
 337                 break
 338             else:
 339                 logger.debug("HTTP firewall not started")
 340                 time.sleep(3)
 341     except Exception:
 342         logger.exception("vxlan_tool not started in SF1")
 343
 344     # SSH TO START THE VXLAN_TOOL ON SF2
 345     try:
 346         ssh.connect(ips[1], username="root",
 347                     password="opnfv", timeout=2)
 348         command = ("nohup python vxlan_tool.py -i eth0 "
 349                    "-d forward -v off -b 22 > /dev/null 2>&1 &")
 350         (stdin, stdout, stderr) = ssh.exec_command(command)
 351     except:
 352         logger.debug("Waiting for %s..." % ips[1])
 353         time.sleep(6)
 354         # timeout -= 1
 355
 356     try:
 357         while 1:
 358             (stdin, stdout, stderr) = ssh.exec_command(
 359                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 360             if len(stdout.readlines()) > 0:
 361                 logger.debug("SSH firewall started")
 362                 break
 363             else:
 364                 logger.debug("SSH firewall not started")
 365                 time.sleep(3)
 366     except Exception:
 367         logger.exception("vxlan_tool not started in SF2")
 368
 369     # SSH to modify the classification flows in compute
 370
 371     contr_cmd3 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
 372                   " 'ssh " + ip_compute + " 'bash correct_classifier.bash''")
 373     logger.info("Executing script to modify the classi: '%s'" % contr_cmd3)
 374     process = subprocess.Popen(contr_cmd3,
 375                                shell=True,
 376                                stdout=subprocess.PIPE)
 377
 378     i = 0
 379
 380     # SSH TO EXECUTE cmd_client
 381     logger.info("TEST STARTED")
 382     try:
 383         ssh.connect(floatip_client, username="root",
 384                     password="opnfv", timeout=2)
 385         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 386         (stdin, stdout, stderr) = ssh.exec_command(command)
 387
 388         # WRITE THE CORRECT WAY TO DO LOGGING
 389         if "timed out" in stdout.readlines()[0]:
 390             logger.info('\033[92m' + "TEST 1 [PASSED] "
 391                         "==> SSH BLOCKED" + '\033[0m')
 392             i = i + 1
 393             json_results.update({"Test 1: SSH Blocked": "Passed"})
 394         else:
 395             logger.error('\033[91m' + "TEST 1 [FAILED] "
 396                          "==> SSH NOT BLOCKED" + '\033[0m')
 397             status = "FAIL"
 398             json_results.update({"Test 1: SSH Blocked": "Failed"})
 399             failures += 1
 400     except:
 401         logger.debug("Waiting for %s..." % floatip_client)
 402         time.sleep(6)
 403         # timeout -= 1
 404
 405     # SSH TO EXECUTE cmd_client
 406     try:
 407         ssh.connect(floatip_client, username="root",
 408                     password="opnfv", timeout=2)
 409         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 410         (stdin, stdout, stderr) = ssh.exec_command(command)
 411
 412         if "succeeded" in stdout.readlines()[0]:
 413             logger.info('\033[92m' + "TEST 2 [PASSED] "
 414                         "==> HTTP WORKS" + '\033[0m')
 415             i = i + 1
 416             json_results.update({"Test 2: HTTP works": "Passed"})
 417         else:
 418             logger.error('\033[91m' + "TEST 2 [FAILED] "
 419                          "==> HTTP BLOCKED" + '\033[0m')
 420             status = "FAIL"
 421             json_results.update({"Test 2: HTTP works": "Failed"})
 422             failures += 1
 423     except:
 424         logger.debug("Waiting for %s..." % floatip_client)
 425         time.sleep(6)
 426         # timeout -= 1
 427
 428     # CHANGE OF CLASSIFICATION #
 429     logger.info("Changing the classification")
 430     tacker_classi = "%s/testcases/features/sfc/%s" % \
 431                     (FUNCTEST_REPO, TACKER_CHANGECLASSI)
 432     subprocess.call(tacker_classi, shell=True)
 433
 434     logger.info("Wait for ODL to update the classification rules in OVS")
 435     time.sleep(10)
 436
 437     # SSH to modify the classification flows in compute
 438
 439     contr_cmd4 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
 440                   " 'ssh " + ip_compute + " 'bash correct_classifier.bash''")
 441     logger.info("Executing script to modify the classi: '%s'" % contr_cmd4)
 442     process = subprocess.Popen(contr_cmd4,
 443                                shell=True,
 444                                stdout=subprocess.PIPE)
 445
 446     # SSH TO EXECUTE cmd_client
 447
 448     try:
 449         ssh.connect(floatip_client, username="root",
 450                     password="opnfv", timeout=2)
 451         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 452         (stdin, stdout, stderr) = ssh.exec_command(command)
 453
 454         if "timed out" in stdout.readlines()[0]:
 455             logger.info('\033[92m' + "TEST 3 [PASSED] "
 456                         "==> HTTP BLOCKED" + '\033[0m')
 457             i = i + 1
 458             json_results.update({"Test 3: HTTP Blocked": "Passed"})
 459         else:
 460             logger.error('\033[91m' + "TEST 3 [FAILED] "
 461                          "==> HTTP NOT BLOCKED" + '\033[0m')
 462             status = "FAIL"
 463             json_results.update({"Test 3: HTTP Blocked": "Failed"})
 464             failures += 1
 465     except:
 466         logger.debug("Waiting for %s..." % floatip_client)
 467         time.sleep(6)
 468         # timeout -= 1
 469
 470     # SSH TO EXECUTE cmd_client
 471     try:
 472         ssh.connect(floatip_client, username="root",
 473                     password="opnfv", timeout=2)
 474         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 475         (stdin, stdout, stderr) = ssh.exec_command(command)
 476
 477         if "succeeded" in stdout.readlines()[0]:
 478             logger.info('\033[92m' + "TEST 4 [PASSED] "
 479                         "==> SSH WORKS" + '\033[0m')
 480             i = i + 1
 481             json_results.update({"Test 4: SSH works": "Passed"})
 482         else:
 483             logger.error('\033[91m' + "TEST 4 [FAILED] "
 484                          "==> SSH BLOCKED" + '\033[0m')
 485             status = "FAIL"
 486             json_results.update({"Test 4: SSH works": "Failed"})
 487             failures += 1
 488     except:
 489         logger.debug("Waiting for %s..." % floatip_client)
 490         time.sleep(6)
 491         # timeout -= 1
 492
 493     if i == 4:
 494         for x in range(0, 5):
 495             logger.info('\033[92m' + "SFC TEST WORKED"
 496                         " :) \n" + '\033[0m')
 497
 498     if args.report:
 499         stop_time = time.time()
 500         json_results.update({"tests": "4", "failures": int(failures)})
 501         logger.debug("Promise Results json: " + str(json_results))
 502         ft_utils.push_results_to_db("sfc",
 503                                     "functest-odl-sfc",
 504                                     start_time,
 505                                     stop_time,
 506                                     status,
 507                                     json_results)
 508     if status == "PASS":
 509         sys.exit(0)
 510     else:
 511         sys.exit(1)
 512
 513 if __name__ == '__main__':
 514     main()