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
 180     if instance is None:
 181         logger.error("Error while booting instance.")
 182         sys.exit(-1)
 183     # Retrieve IP of INSTANCE
 184     instance_ip = instance.networks.get(NET_NAME)[0]
 185     logger.debug("Instance '%s' got private ip '%s'." %
 186                  (INSTANCE_NAME, instance_ip))
 187
 188     logger.info("Adding '%s' to security group '%s'..."
 189                 % (INSTANCE_NAME, SECGROUP_NAME))
 190     os_utils.add_secgroup_to_instance(nova_client, instance.id, sg_id)
 191
 192     logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME)
 193     floatip_dic = os_utils.create_floating_ip(neutron_client)
 194     floatip_client = floatip_dic['fip_addr']
 195     # floatip_id = floatip_dic['fip_id']
 196
 197     if floatip_client is None:
 198         logger.error("Cannot create floating IP.")
 199         sys.exit(-1)
 200     logger.info("Floating IP created: '%s'" % floatip_client)
 201
 202     logger.info("Associating floating ip: '%s' to VM '%s' "
 203                 % (floatip_client, INSTANCE_NAME))
 204     if not os_utils.add_floating_ip(nova_client, instance.id, floatip_client):
 205         logger.error("Cannot associate floating IP to VM.")
 206         sys.exit(-1)
 207
 208 # STARTING SECOND VM (server) ###
 209
 210     # boot INTANCE
 211     logger.info("Creating instance '%s'..." % INSTANCE_NAME)
 212     logger.debug(
 213         "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
 214         "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
 215     instance_2 = os_utils.create_instance_and_wait_for_active(FLAVOR,
 216                                                               image_id,
 217                                                               network_id,
 218                                                               INSTANCE_NAME_2)
 219
 220     if instance_2 is None:
 221         logger.error("Error while booting instance.")
 222         sys.exit(-1)
 223     # Retrieve IP of INSTANCE
 224     instance_ip_2 = instance_2.networks.get(NET_NAME)[0]
 225     logger.debug("Instance '%s' got private ip '%s'." %
 226                  (INSTANCE_NAME_2, instance_ip_2))
 227
 228     logger.info("Adding '%s' to security group '%s'..."
 229                 % (INSTANCE_NAME_2, SECGROUP_NAME))
 230     os_utils.add_secgroup_to_instance(nova_client, instance_2.id, sg_id)
 231
 232     logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME_2)
 233     floatip_dic = os_utils.create_floating_ip(neutron_client)
 234     floatip_server = floatip_dic['fip_addr']
 235     # floatip_id = floatip_dic['fip_id']
 236
 237     if floatip_server is None:
 238         logger.error("Cannot create floating IP.")
 239         sys.exit(-1)
 240     logger.info("Floating IP created: '%s'" % floatip_server)
 241
 242     logger.info("Associating floating ip: '%s' to VM '%s' "
 243                 % (floatip_server, INSTANCE_NAME_2))
 244
 245     if not os_utils.add_floating_ip(nova_client,
 246                                     instance_2.id,
 247                                     floatip_server):
 248         logger.error("Cannot associate floating IP to VM.")
 249         sys.exit(-1)
 250
 251     # CREATION OF THE 2 SF ####
 252
 253     tacker_script = "%s/testcases/features/sfc/%s" % \
 254                     (FUNCTEST_REPO, TACKER_SCRIPT)
 255     logger.info("Executing tacker script: '%s'" % tacker_script)
 256     subprocess.call(tacker_script, shell=True)
 257
 258     # SSH CALL TO START HTTP SERVER
 259     ssh = paramiko.SSHClient()
 260     ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 261
 262     try:
 263         ssh.connect(floatip_server, username="root",
 264                     password="opnfv", timeout=2)
 265         command = "python -m SimpleHTTPServer 80 > /dev/null 2>&1 &"
 266         logger.info("Starting HTTP server")
 267         (stdin, stdout, stderr) = ssh.exec_command(command)
 268     except:
 269         logger.debug("Waiting for %s..." % floatip_server)
 270         time.sleep(6)
 271         # timeout -= 1
 272
 273     instances = nova_client.servers.list(search_opts={'all_tenants': 1})
 274     ips = []
 275     try:
 276         for instance in instances:
 277             if "server" not in instance.name:
 278                 if "client" not in instance.name:
 279                     logger.debug(
 280                         "This is the instance name: %s " % instance.name)
 281                     floatip_dic = os_utils.create_floating_ip(neutron_client)
 282                     floatip = floatip_dic['fip_addr']
 283                     ips.append(floatip)
 284                     instance.add_floating_ip(floatip)
 285     except:
 286         logger.debug("Problems assigning floating IP to SFs")
 287
 288     # If no IPs were obtained, then we cant continue
 289     if not ips:
 290         logger.error('Failed to obtain IPs, cant continue, exiting')
 291         return
 292
 293     logger.debug("Floating IPs for SFs: %s..." % ips)
 294
 295     # Check SSH connectivity to VNFs
 296     r = 0
 297     retries = 100
 298     check = [False, False]
 299
 300     logger.info("Checking SSH connectivity to the SFs with ips %s" % str(ips))
 301     while r < retries and not all(check):
 302         try:
 303             check = [check_ssh(ips[0]), check_ssh(ips[1])]
 304         except Exception:
 305             logger.exception("SSH check failed")
 306             check = [False, False]
 307         time.sleep(3)
 308         r += 1
 309
 310     if not all(check):
 311         logger.error("Cannot establish SSH connection to the SFs")
 312         sys.exit(1)
 313
 314     logger.info("SSH connectivity to the SFs established")
 315
 316     # SSH TO START THE VXLAN_TOOL ON SF1
 317     logger.info("Configuring the SFs")
 318     try:
 319         ssh.connect(ips[0], username="root",
 320                     password="opnfv", timeout=2)
 321         command = ("nohup python vxlan_tool.py -i eth0 "
 322                    "-d forward -v off -b 80 > /dev/null 2>&1 &")
 323         (stdin, stdout, stderr) = ssh.exec_command(command)
 324     except:
 325         logger.debug("Waiting for %s..." % ips[0])
 326         time.sleep(6)
 327         # timeout -= 1
 328
 329     try:
 330         while 1:
 331             (stdin, stdout, stderr) = ssh.exec_command(
 332                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 333             if len(stdout.readlines()) > 0:
 334                 logger.debug("HTTP firewall started")
 335                 break
 336             else:
 337                 logger.debug("HTTP firewall not started")
 338                 time.sleep(3)
 339     except Exception:
 340         logger.exception("vxlan_tool not started in SF1")
 341
 342     # SSH TO START THE VXLAN_TOOL ON SF2
 343     try:
 344         ssh.connect(ips[1], username="root",
 345                     password="opnfv", timeout=2)
 346         command = ("nohup python vxlan_tool.py -i eth0 "
 347                    "-d forward -v off -b 22 > /dev/null 2>&1 &")
 348         (stdin, stdout, stderr) = ssh.exec_command(command)
 349     except:
 350         logger.debug("Waiting for %s..." % ips[1])
 351         time.sleep(6)
 352         # timeout -= 1
 353
 354     try:
 355         while 1:
 356             (stdin, stdout, stderr) = ssh.exec_command(
 357                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 358             if len(stdout.readlines()) > 0:
 359                 logger.debug("SSH firewall started")
 360                 break
 361             else:
 362                 logger.debug("SSH firewall not started")
 363                 time.sleep(3)
 364     except Exception:
 365         logger.exception("vxlan_tool not started in SF2")
 366
 367     # SSH to modify the classification flows in compute
 368
 369     contr_cmd3 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
 370                   " 'ssh " + ip_compute + " 'bash correct_classifier.bash''")
 371     logger.info("Executing script to modify the classi: '%s'" % contr_cmd3)
 372     process = subprocess.Popen(contr_cmd3,
 373                                shell=True,
 374                                stdout=subprocess.PIPE)
 375
 376     i = 0
 377
 378     # SSH TO EXECUTE cmd_client
 379     logger.info("TEST STARTED")
 380     try:
 381         ssh.connect(floatip_client, username="root",
 382                     password="opnfv", timeout=2)
 383         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 384         (stdin, stdout, stderr) = ssh.exec_command(command)
 385
 386         # WRITE THE CORRECT WAY TO DO LOGGING
 387         if "timed out" in stdout.readlines()[0]:
 388             logger.info('\033[92m' + "TEST 1 [PASSED] "
 389                         "==> SSH BLOCKED" + '\033[0m')
 390             i = i + 1
 391             json_results.update({"Test 1: SSH Blocked": "Passed"})
 392         else:
 393             logger.error('\033[91m' + "TEST 1 [FAILED] "
 394                          "==> SSH NOT BLOCKED" + '\033[0m')
 395             status = "FAIL"
 396             json_results.update({"Test 1: SSH Blocked": "Failed"})
 397             failures += 1
 398     except:
 399         logger.debug("Waiting for %s..." % floatip_client)
 400         time.sleep(6)
 401         # timeout -= 1
 402
 403     # SSH TO EXECUTE cmd_client
 404     try:
 405         ssh.connect(floatip_client, username="root",
 406                     password="opnfv", timeout=2)
 407         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 408         (stdin, stdout, stderr) = ssh.exec_command(command)
 409
 410         if "succeeded" in stdout.readlines()[0]:
 411             logger.info('\033[92m' + "TEST 2 [PASSED] "
 412                         "==> HTTP WORKS" + '\033[0m')
 413             i = i + 1
 414             json_results.update({"Test 2: HTTP works": "Passed"})
 415         else:
 416             logger.error('\033[91m' + "TEST 2 [FAILED] "
 417                          "==> HTTP BLOCKED" + '\033[0m')
 418             status = "FAIL"
 419             json_results.update({"Test 2: HTTP works": "Failed"})
 420             failures += 1
 421     except:
 422         logger.debug("Waiting for %s..." % floatip_client)
 423         time.sleep(6)
 424         # timeout -= 1
 425
 426     # CHANGE OF CLASSIFICATION #
 427     logger.info("Changing the classification")
 428     tacker_classi = "%s/testcases/features/sfc/%s" % \
 429                     (FUNCTEST_REPO, TACKER_CHANGECLASSI)
 430     subprocess.call(tacker_classi, shell=True)
 431
 432     logger.info("Wait for ODL to update the classification rules in OVS")
 433     time.sleep(10)
 434
 435     # SSH to modify the classification flows in compute
 436
 437     contr_cmd4 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
 438                   " 'ssh " + ip_compute + " 'bash correct_classifier.bash''")
 439     logger.info("Executing script to modify the classi: '%s'" % contr_cmd4)
 440     process = subprocess.Popen(contr_cmd4,
 441                                shell=True,
 442                                stdout=subprocess.PIPE)
 443
 444     # SSH TO EXECUTE cmd_client
 445
 446     try:
 447         ssh.connect(floatip_client, username="root",
 448                     password="opnfv", timeout=2)
 449         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 450         (stdin, stdout, stderr) = ssh.exec_command(command)
 451
 452         if "timed out" in stdout.readlines()[0]:
 453             logger.info('\033[92m' + "TEST 3 [PASSED] "
 454                         "==> HTTP BLOCKED" + '\033[0m')
 455             i = i + 1
 456             json_results.update({"Test 3: HTTP Blocked": "Passed"})
 457         else:
 458             logger.error('\033[91m' + "TEST 3 [FAILED] "
 459                          "==> HTTP NOT BLOCKED" + '\033[0m')
 460             status = "FAIL"
 461             json_results.update({"Test 3: HTTP Blocked": "Failed"})
 462             failures += 1
 463     except:
 464         logger.debug("Waiting for %s..." % floatip_client)
 465         time.sleep(6)
 466         # timeout -= 1
 467
 468     # SSH TO EXECUTE cmd_client
 469     try:
 470         ssh.connect(floatip_client, username="root",
 471                     password="opnfv", timeout=2)
 472         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 473         (stdin, stdout, stderr) = ssh.exec_command(command)
 474
 475         if "succeeded" in stdout.readlines()[0]:
 476             logger.info('\033[92m' + "TEST 4 [PASSED] "
 477                         "==> SSH WORKS" + '\033[0m')
 478             i = i + 1
 479             json_results.update({"Test 4: SSH works": "Passed"})
 480         else:
 481             logger.error('\033[91m' + "TEST 4 [FAILED] "
 482                          "==> SSH BLOCKED" + '\033[0m')
 483             status = "FAIL"
 484             json_results.update({"Test 4: SSH works": "Failed"})
 485             failures += 1
 486     except:
 487         logger.debug("Waiting for %s..." % floatip_client)
 488         time.sleep(6)
 489         # timeout -= 1
 490
 491     if i == 4:
 492         for x in range(0, 5):
 493             logger.info('\033[92m' + "SFC TEST WORKED"
 494                         " :) \n" + '\033[0m')
 495
 496     if args.report:
 497         stop_time = time.time()
 498         json_results.update({"tests": "4", "failures": int(failures)})
 499         logger.debug("Promise Results json: " + str(json_results))
 500         ft_utils.push_results_to_db("sfc",
 501                                     "functest-odl-sfc",
 502                                     start_time,
 503                                     stop_time,
 504                                     status,
 505                                     json_results)
 506     if status == "PASS":
 507         sys.exit(0)
 508     else:
 509         sys.exit(1)
 510
 511 if __name__ == '__main__':
 512     main()