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