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 = "m1.small"
  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         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 164                                       'ingress', 'tcp',
 165                                       port_range_min=80,
 166                                       port_range_max=80)
 167         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 168                                       'egress', 'tcp',
 169                                       port_range_min=80,
 170                                       port_range_max=80)
 171
 172     _, custom_flv_id = os_utils.get_or_create_flavor(
 173         'custom', 1500, 10, 1, public=True)
 174     if not custom_flv_id:
 175         logger.error("Failed to create custom flavor")
 176         sys.exit(1)
 177
 178     # boot INSTANCE
 179     logger.info("Creating instance '%s'..." % INSTANCE_NAME)
 180     logger.debug(
 181         "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
 182         "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
 183     instance = os_utils.create_instance_and_wait_for_active(FLAVOR,
 184                                                             image_id,
 185                                                             network_id,
 186                                                             INSTANCE_NAME)
 187
 188     if instance is None:
 189         logger.error("Error while booting instance.")
 190         sys.exit(-1)
 191     # Retrieve IP of INSTANCE
 192     instance_ip = instance.networks.get(NET_NAME)[0]
 193     logger.debug("Instance '%s' got private ip '%s'." %
 194                  (INSTANCE_NAME, instance_ip))
 195
 196     logger.info("Adding '%s' to security group '%s'..."
 197                 % (INSTANCE_NAME, SECGROUP_NAME))
 198     os_utils.add_secgroup_to_instance(nova_client, instance.id, sg_id)
 199
 200     logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME)
 201     floatip_dic = os_utils.create_floating_ip(neutron_client)
 202     floatip_client = floatip_dic['fip_addr']
 203     # floatip_id = floatip_dic['fip_id']
 204
 205     if floatip_client is None:
 206         logger.error("Cannot create floating IP.")
 207         sys.exit(-1)
 208     logger.info("Floating IP created: '%s'" % floatip_client)
 209
 210     logger.info("Associating floating ip: '%s' to VM '%s' "
 211                 % (floatip_client, INSTANCE_NAME))
 212     if not os_utils.add_floating_ip(nova_client, instance.id, floatip_client):
 213         logger.error("Cannot associate floating IP to VM.")
 214         sys.exit(-1)
 215
 216 # STARTING SECOND VM (server) ###
 217
 218     # boot INTANCE
 219     logger.info("Creating instance '%s'..." % INSTANCE_NAME)
 220     logger.debug(
 221         "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
 222         "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
 223     instance_2 = os_utils.create_instance_and_wait_for_active(FLAVOR,
 224                                                               image_id,
 225                                                               network_id,
 226                                                               INSTANCE_NAME_2)
 227
 228     if instance_2 is None:
 229         logger.error("Error while booting instance.")
 230         sys.exit(-1)
 231     # Retrieve IP of INSTANCE
 232     instance_ip_2 = instance_2.networks.get(NET_NAME)[0]
 233     logger.debug("Instance '%s' got private ip '%s'." %
 234                  (INSTANCE_NAME_2, instance_ip_2))
 235
 236     logger.info("Adding '%s' to security group '%s'..."
 237                 % (INSTANCE_NAME_2, SECGROUP_NAME))
 238     os_utils.add_secgroup_to_instance(nova_client, instance_2.id, sg_id)
 239
 240     logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME_2)
 241     floatip_dic = os_utils.create_floating_ip(neutron_client)
 242     floatip_server = floatip_dic['fip_addr']
 243     # floatip_id = floatip_dic['fip_id']
 244
 245     if floatip_server is None:
 246         logger.error("Cannot create floating IP.")
 247         sys.exit(-1)
 248     logger.info("Floating IP created: '%s'" % floatip_server)
 249
 250     logger.info("Associating floating ip: '%s' to VM '%s' "
 251                 % (floatip_server, INSTANCE_NAME_2))
 252
 253     if not os_utils.add_floating_ip(nova_client,
 254                                     instance_2.id,
 255                                     floatip_server):
 256         logger.error("Cannot associate floating IP to VM.")
 257         sys.exit(-1)
 258
 259     # CREATION OF THE 2 SF ####
 260
 261     tacker_script = "%s/testcases/features/sfc/%s" % \
 262                     (FUNCTEST_REPO, TACKER_SCRIPT)
 263     logger.info("Executing tacker script: '%s'" % tacker_script)
 264     subprocess.call(tacker_script, shell=True)
 265
 266     # SSH CALL TO START HTTP SERVER
 267     ssh = paramiko.SSHClient()
 268     ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 269
 270     try:
 271         ssh.connect(floatip_server, username="root",
 272                     password="opnfv", timeout=2)
 273         command = "python -m SimpleHTTPServer 80 > /dev/null 2>&1 &"
 274         logger.info("Starting HTTP server")
 275         (stdin, stdout, stderr) = ssh.exec_command(command)
 276     except:
 277         logger.debug("Waiting for %s..." % floatip_server)
 278         time.sleep(6)
 279         # timeout -= 1
 280
 281     instances = nova_client.servers.list(search_opts={'all_tenants': 1})
 282     ips = []
 283     try:
 284         for instance in instances:
 285             if "server" not in instance.name:
 286                 if "client" not in instance.name:
 287                     logger.debug(
 288                         "This is the instance name: %s " % instance.name)
 289                     floatip_dic = os_utils.create_floating_ip(neutron_client)
 290                     floatip = floatip_dic['fip_addr']
 291                     ips.append(floatip)
 292                     instance.add_floating_ip(floatip)
 293     except:
 294         logger.debug("Problems assigning floating IP to SFs")
 295
 296     # If no IPs were obtained, then we cant continue
 297     if not ips:
 298         logger.error('Failed to obtain IPs, cant continue, exiting')
 299         return
 300
 301     logger.debug("Floating IPs for SFs: %s..." % ips)
 302
 303     # Check SSH connectivity to VNFs
 304     r = 0
 305     retries = 100
 306     check = [False, False]
 307
 308     logger.info("Checking SSH connectivity to the SFs with ips %s" % str(ips))
 309     while r < retries and not all(check):
 310         try:
 311             check = [check_ssh(ips[0]), check_ssh(ips[1])]
 312         except Exception:
 313             logger.exception("SSH check failed")
 314             check = [False, False]
 315         time.sleep(3)
 316         r += 1
 317
 318     if not all(check):
 319         logger.error("Cannot establish SSH connection to the SFs")
 320         sys.exit(1)
 321
 322     logger.info("SSH connectivity to the SFs established")
 323
 324     # SSH TO START THE VXLAN_TOOL ON SF1
 325     logger.info("Configuring the SFs")
 326     try:
 327         ssh.connect(ips[0], username="root",
 328                     password="opnfv", timeout=2)
 329         command = ("nohup python vxlan_tool.py -i eth0 "
 330                    "-d forward -v off -b 80 > /dev/null 2>&1 &")
 331         (stdin, stdout, stderr) = ssh.exec_command(command)
 332     except:
 333         logger.debug("Waiting for %s..." % ips[0])
 334         time.sleep(6)
 335         # timeout -= 1
 336
 337     try:
 338         while 1:
 339             (stdin, stdout, stderr) = ssh.exec_command(
 340                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 341             if len(stdout.readlines()) > 0:
 342                 logger.debug("HTTP firewall started")
 343                 break
 344             else:
 345                 logger.debug("HTTP firewall not started")
 346                 time.sleep(3)
 347     except Exception:
 348         logger.exception("vxlan_tool not started in SF1")
 349
 350     # SSH TO START THE VXLAN_TOOL ON SF2
 351     try:
 352         ssh.connect(ips[1], username="root",
 353                     password="opnfv", timeout=2)
 354         command = ("nohup python vxlan_tool.py -i eth0 "
 355                    "-d forward -v off -b 22 > /dev/null 2>&1 &")
 356         (stdin, stdout, stderr) = ssh.exec_command(command)
 357     except:
 358         logger.debug("Waiting for %s..." % ips[1])
 359         time.sleep(6)
 360         # timeout -= 1
 361
 362     try:
 363         while 1:
 364             (stdin, stdout, stderr) = ssh.exec_command(
 365                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 366             if len(stdout.readlines()) > 0:
 367                 logger.debug("SSH firewall started")
 368                 break
 369             else:
 370                 logger.debug("SSH firewall not started")
 371                 time.sleep(3)
 372     except Exception:
 373         logger.exception("vxlan_tool not started in SF2")
 374
 375     # SSH to modify the classification flows in compute
 376
 377     contr_cmd3 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
 378                   " 'ssh " + ip_compute + " 'bash correct_classifier.bash''")
 379     logger.info("Executing script to modify the classi: '%s'" % contr_cmd3)
 380     process = subprocess.Popen(contr_cmd3,
 381                                shell=True,
 382                                stdout=subprocess.PIPE)
 383
 384     i = 0
 385
 386     # SSH TO EXECUTE cmd_client
 387     logger.info("TEST STARTED")
 388     try:
 389         ssh.connect(floatip_client, username="root",
 390                     password="opnfv", timeout=2)
 391         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 392         (stdin, stdout, stderr) = ssh.exec_command(command)
 393
 394         # WRITE THE CORRECT WAY TO DO LOGGING
 395         if "timed out" in stdout.readlines()[0]:
 396             logger.info('\033[92m' + "TEST 1 [PASSED] "
 397                         "==> SSH BLOCKED" + '\033[0m')
 398             i = i + 1
 399             json_results.update({"Test 1: SSH Blocked": "Passed"})
 400         else:
 401             logger.error('\033[91m' + "TEST 1 [FAILED] "
 402                          "==> SSH NOT BLOCKED" + '\033[0m')
 403             status = "FAIL"
 404             json_results.update({"Test 1: SSH Blocked": "Failed"})
 405             failures += 1
 406     except:
 407         logger.debug("Waiting for %s..." % floatip_client)
 408         time.sleep(6)
 409         # timeout -= 1
 410
 411     # SSH TO EXECUTE cmd_client
 412     try:
 413         ssh.connect(floatip_client, username="root",
 414                     password="opnfv", timeout=2)
 415         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 416         (stdin, stdout, stderr) = ssh.exec_command(command)
 417
 418         if "succeeded" in stdout.readlines()[0]:
 419             logger.info('\033[92m' + "TEST 2 [PASSED] "
 420                         "==> HTTP WORKS" + '\033[0m')
 421             i = i + 1
 422             json_results.update({"Test 2: HTTP works": "Passed"})
 423         else:
 424             logger.error('\033[91m' + "TEST 2 [FAILED] "
 425                          "==> HTTP BLOCKED" + '\033[0m')
 426             status = "FAIL"
 427             json_results.update({"Test 2: HTTP works": "Failed"})
 428             failures += 1
 429     except:
 430         logger.debug("Waiting for %s..." % floatip_client)
 431         time.sleep(6)
 432         # timeout -= 1
 433
 434     # CHANGE OF CLASSIFICATION #
 435     logger.info("Changing the classification")
 436     tacker_classi = "%s/testcases/features/sfc/%s" % \
 437                     (FUNCTEST_REPO, TACKER_CHANGECLASSI)
 438     subprocess.call(tacker_classi, shell=True)
 439
 440     logger.info("Wait for ODL to update the classification rules in OVS")
 441     time.sleep(10)
 442
 443     # SSH to modify the classification flows in compute
 444
 445     contr_cmd4 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
 446                   " 'ssh " + ip_compute + " 'bash correct_classifier.bash''")
 447     logger.info("Executing script to modify the classi: '%s'" % contr_cmd4)
 448     process = subprocess.Popen(contr_cmd4,
 449                                shell=True,
 450                                stdout=subprocess.PIPE)
 451
 452     # SSH TO EXECUTE cmd_client
 453
 454     try:
 455         ssh.connect(floatip_client, username="root",
 456                     password="opnfv", timeout=2)
 457         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 458         (stdin, stdout, stderr) = ssh.exec_command(command)
 459
 460         if "timed out" in stdout.readlines()[0]:
 461             logger.info('\033[92m' + "TEST 3 [PASSED] "
 462                         "==> HTTP BLOCKED" + '\033[0m')
 463             i = i + 1
 464             json_results.update({"Test 3: HTTP Blocked": "Passed"})
 465         else:
 466             logger.error('\033[91m' + "TEST 3 [FAILED] "
 467                          "==> HTTP NOT BLOCKED" + '\033[0m')
 468             status = "FAIL"
 469             json_results.update({"Test 3: HTTP Blocked": "Failed"})
 470             failures += 1
 471     except:
 472         logger.debug("Waiting for %s..." % floatip_client)
 473         time.sleep(6)
 474         # timeout -= 1
 475
 476     # SSH TO EXECUTE cmd_client
 477     try:
 478         ssh.connect(floatip_client, username="root",
 479                     password="opnfv", timeout=2)
 480         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 481         (stdin, stdout, stderr) = ssh.exec_command(command)
 482
 483         if "succeeded" in stdout.readlines()[0]:
 484             logger.info('\033[92m' + "TEST 4 [PASSED] "
 485                         "==> SSH WORKS" + '\033[0m')
 486             i = i + 1
 487             json_results.update({"Test 4: SSH works": "Passed"})
 488         else:
 489             logger.error('\033[91m' + "TEST 4 [FAILED] "
 490                          "==> SSH BLOCKED" + '\033[0m')
 491             status = "FAIL"
 492             json_results.update({"Test 4: SSH works": "Failed"})
 493             failures += 1
 494     except:
 495         logger.debug("Waiting for %s..." % floatip_client)
 496         time.sleep(6)
 497         # timeout -= 1
 498
 499     if i == 4:
 500         for x in range(0, 5):
 501             logger.info('\033[92m' + "SFC TEST WORKED"
 502                         " :) \n" + '\033[0m')
 503
 504     if args.report:
 505         stop_time = time.time()
 506         json_results.update({"tests": "4", "failures": int(failures)})
 507         logger.debug("Promise Results json: " + str(json_results))
 508         ft_utils.push_results_to_db("sfc",
 509                                     "functest-odl-sfc",
 510                                     start_time,
 511                                     stop_time,
 512                                     status,
 513                                     json_results)
 514     if status == "PASS":
 515         sys.exit(0)
 516     else:
 517         sys.exit(1)
 518
 519 if __name__ == '__main__':
 520     main()