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     # boot INSTANCE
 153     logger.info("Creating instance '%s'..." % INSTANCE_NAME)
 154     logger.debug(
 155         "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
 156         "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
 157     instance = os_utils.create_instance_and_wait_for_active(FLAVOR,
 158                                                             image_id,
 159                                                             network_id,
 160                                                             INSTANCE_NAME)
 161
 162     if instance is None:
 163         logger.error("Error while booting instance.")
 164         sys.exit(-1)
 165     # Retrieve IP of INSTANCE
 166     instance_ip = instance.networks.get(NET_NAME)[0]
 167     logger.debug("Instance '%s' got private ip '%s'." %
 168                  (INSTANCE_NAME, instance_ip))
 169
 170     logger.info("Adding '%s' to security group '%s'..."
 171                 % (INSTANCE_NAME, SECGROUP_NAME))
 172     os_utils.add_secgroup_to_instance(nova_client, instance.id, sg_id)
 173
 174     logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME)
 175     floatip_dic = os_utils.create_floating_ip(neutron_client)
 176     floatip_client = floatip_dic['fip_addr']
 177     # floatip_id = floatip_dic['fip_id']
 178
 179     if floatip_client is None:
 180         logger.error("Cannot create floating IP.")
 181         sys.exit(-1)
 182     logger.info("Floating IP created: '%s'" % floatip_client)
 183
 184     logger.info("Associating floating ip: '%s' to VM '%s' "
 185                 % (floatip_client, INSTANCE_NAME))
 186     if not os_utils.add_floating_ip(nova_client, instance.id, floatip_client):
 187         logger.error("Cannot associate floating IP to VM.")
 188         sys.exit(-1)
 189
 190 # STARTING SECOND VM (server) ###
 191
 192     # boot INTANCE
 193     logger.info("Creating instance '%s'..." % INSTANCE_NAME)
 194     logger.debug(
 195         "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
 196         "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
 197     instance_2 = os_utils.create_instance_and_wait_for_active(FLAVOR,
 198                                                               image_id,
 199                                                               network_id,
 200                                                               INSTANCE_NAME_2)
 201
 202     if instance_2 is None:
 203         logger.error("Error while booting instance.")
 204         sys.exit(-1)
 205     # Retrieve IP of INSTANCE
 206     instance_ip_2 = instance_2.networks.get(NET_NAME)[0]
 207     logger.debug("Instance '%s' got private ip '%s'." %
 208                  (INSTANCE_NAME_2, instance_ip_2))
 209
 210     logger.info("Adding '%s' to security group '%s'..."
 211                 % (INSTANCE_NAME_2, SECGROUP_NAME))
 212     os_utils.add_secgroup_to_instance(nova_client, instance_2.id, sg_id)
 213
 214     logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME_2)
 215     floatip_dic = os_utils.create_floating_ip(neutron_client)
 216     floatip_server = floatip_dic['fip_addr']
 217     # floatip_id = floatip_dic['fip_id']
 218
 219     if floatip_server is None:
 220         logger.error("Cannot create floating IP.")
 221         sys.exit(-1)
 222     logger.info("Floating IP created: '%s'" % floatip_server)
 223
 224     logger.info("Associating floating ip: '%s' to VM '%s' "
 225                 % (floatip_server, INSTANCE_NAME_2))
 226
 227     if not os_utils.add_floating_ip(nova_client,
 228                                     instance_2.id,
 229                                     floatip_server):
 230         logger.error("Cannot associate floating IP to VM.")
 231         sys.exit(-1)
 232
 233     # CREATION OF THE 2 SF ####
 234
 235     tacker_script = "%s/testcases/features/sfc/%s" % \
 236                     (FUNCTEST_REPO, TACKER_SCRIPT)
 237     logger.info("Executing tacker script: '%s'" % tacker_script)
 238     subprocess.call(tacker_script, shell=True)
 239
 240     # SSH CALL TO START HTTP SERVER
 241     ssh = paramiko.SSHClient()
 242     ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 243
 244     try:
 245         ssh.connect(floatip_server, username="root",
 246                     password="opnfv", timeout=2)
 247         command = "python -m SimpleHTTPServer 80 > /dev/null 2>&1 &"
 248         logger.info("Starting HTTP server")
 249         (stdin, stdout, stderr) = ssh.exec_command(command)
 250     except:
 251         logger.debug("Waiting for %s..." % floatip_server)
 252         time.sleep(6)
 253         # timeout -= 1
 254
 255     instances = nova_client.servers.list(search_opts={'all_tenants': 1})
 256     ips = []
 257     try:
 258         for instance in instances:
 259             if "server" not in instance.name:
 260                 if "client" not in instance.name:
 261                     logger.debug(
 262                         "This is the instance name: %s " % instance.name)
 263                     floatip_dic = os_utils.create_floating_ip(neutron_client)
 264                     floatip = floatip_dic['fip_addr']
 265                     ips.append(floatip)
 266                     instance.add_floating_ip(floatip)
 267     except:
 268         logger.debug("Problems assigning floating IP to SFs")
 269
 270     # If no IPs were obtained, then we cant continue
 271     if not ips:
 272         logger.error('Failed to obtain IPs, cant continue, exiting')
 273         return
 274
 275     logger.debug("Floating IPs for SFs: %s..." % ips)
 276
 277     # Check SSH connectivity to VNFs
 278     r = 0
 279     retries = 100
 280     check = [False, False]
 281
 282     logger.info("Checking SSH connectivity to the SFs with ips %s" % str(ips))
 283     while r < retries and not all(check):
 284         try:
 285             check = [check_ssh(ips[0]), check_ssh(ips[1])]
 286         except Exception:
 287             logger.exception("SSH check failed")
 288             check = [False, False]
 289         time.sleep(3)
 290         r += 1
 291
 292     logger.info("SSH connectivity to the SFs established")
 293
 294     if not all(check):
 295         logger.error("Cannot establish SSH connection to the SFs")
 296         sys.exit(1)
 297
 298     # SSH TO START THE VXLAN_TOOL ON SF1
 299     logger.info("Configuring the SFs")
 300     try:
 301         ssh.connect(ips[0], username="root",
 302                     password="opnfv", timeout=2)
 303         command = ("nohup python vxlan_tool.py -i eth0 "
 304                    "-d forward -v off -b 80 > /dev/null 2>&1 &")
 305         (stdin, stdout, stderr) = ssh.exec_command(command)
 306     except:
 307         logger.debug("Waiting for %s..." % ips[0])
 308         time.sleep(6)
 309         # timeout -= 1
 310
 311     try:
 312         while 1:
 313             (stdin, stdout, stderr) = ssh.exec_command(
 314                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 315             if len(stdout.readlines()) > 0:
 316                 logger.debug("HTTP firewall started")
 317                 break
 318             else:
 319                 logger.debug("HTTP firewall not started")
 320                 time.sleep(3)
 321     except Exception:
 322         logger.exception("vxlan_tool not started in SF1")
 323
 324     # SSH TO START THE VXLAN_TOOL ON SF2
 325     try:
 326         ssh.connect(ips[1], username="root",
 327                     password="opnfv", timeout=2)
 328         command = ("nohup python vxlan_tool.py -i eth0 "
 329                    "-d forward -v off -b 22 > /dev/null 2>&1 &")
 330         (stdin, stdout, stderr) = ssh.exec_command(command)
 331     except:
 332         logger.debug("Waiting for %s..." % ips[1])
 333         time.sleep(6)
 334         # timeout -= 1
 335
 336     try:
 337         while 1:
 338             (stdin, stdout, stderr) = ssh.exec_command(
 339                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 340             if len(stdout.readlines()) > 0:
 341                 logger.debug("SSH firewall started")
 342                 break
 343             else:
 344                 logger.debug("SSH firewall not started")
 345                 time.sleep(3)
 346     except Exception:
 347         logger.exception("vxlan_tool not started in SF2")
 348
 349     # SSH to modify the classification flows in compute
 350
 351     contr_cmd3 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
 352                   " 'ssh " + ip_compute + " 'bash correct_classifier.bash''")
 353     logger.info("Executing script to modify the classi: '%s'" % contr_cmd3)
 354     process = subprocess.Popen(contr_cmd3,
 355                                shell=True,
 356                                stdout=subprocess.PIPE)
 357
 358     i = 0
 359
 360     # SSH TO EXECUTE cmd_client
 361     logger.info("TEST STARTED")
 362     try:
 363         ssh.connect(floatip_client, username="root",
 364                     password="opnfv", timeout=2)
 365         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 366         (stdin, stdout, stderr) = ssh.exec_command(command)
 367
 368         # WRITE THE CORRECT WAY TO DO LOGGING
 369         if "timed out" in stdout.readlines()[0]:
 370             logger.info('\033[92m' + "TEST 1 [PASSED] "
 371                         "==> SSH BLOCKED" + '\033[0m')
 372             i = i + 1
 373             json_results.update({"Test 1: SSH Blocked": "Passed"})
 374         else:
 375             logger.error('\033[91m' + "TEST 1 [FAILED] "
 376                          "==> SSH NOT BLOCKED" + '\033[0m')
 377             status = "FAIL"
 378             json_results.update({"Test 1: SSH Blocked": "Failed"})
 379             failures += 1
 380     except:
 381         logger.debug("Waiting for %s..." % floatip_client)
 382         time.sleep(6)
 383         # timeout -= 1
 384
 385     # SSH TO EXECUTE cmd_client
 386     try:
 387         ssh.connect(floatip_client, username="root",
 388                     password="opnfv", timeout=2)
 389         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 390         (stdin, stdout, stderr) = ssh.exec_command(command)
 391
 392         if "succeeded" in stdout.readlines()[0]:
 393             logger.info('\033[92m' + "TEST 2 [PASSED] "
 394                         "==> HTTP WORKS" + '\033[0m')
 395             i = i + 1
 396             json_results.update({"Test 2: HTTP works": "Passed"})
 397         else:
 398             logger.error('\033[91m' + "TEST 2 [FAILED] "
 399                          "==> HTTP BLOCKED" + '\033[0m')
 400             status = "FAIL"
 401             json_results.update({"Test 2: HTTP works": "Failed"})
 402             failures += 1
 403     except:
 404         logger.debug("Waiting for %s..." % floatip_client)
 405         time.sleep(6)
 406         # timeout -= 1
 407
 408     # CHANGE OF CLASSIFICATION #
 409     logger.info("Changing the classification")
 410     tacker_classi = "%s/testcases/features/sfc/%s" % \
 411                     (FUNCTEST_REPO, TACKER_CHANGECLASSI)
 412     subprocess.call(tacker_classi, shell=True)
 413
 414     logger.info("Wait for ODL to update the classification rules in OVS")
 415     time.sleep(10)
 416
 417     # SSH to modify the classification flows in compute
 418
 419     contr_cmd4 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
 420                   " 'ssh " + ip_compute + " 'bash correct_classifier.bash''")
 421     logger.info("Executing script to modify the classi: '%s'" % contr_cmd4)
 422     process = subprocess.Popen(contr_cmd4,
 423                                shell=True,
 424                                stdout=subprocess.PIPE)
 425
 426     # SSH TO EXECUTE cmd_client
 427
 428     try:
 429         ssh.connect(floatip_client, username="root",
 430                     password="opnfv", timeout=2)
 431         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 432         (stdin, stdout, stderr) = ssh.exec_command(command)
 433
 434         if "timed out" in stdout.readlines()[0]:
 435             logger.info('\033[92m' + "TEST 3 [PASSED] "
 436                         "==> HTTP BLOCKED" + '\033[0m')
 437             i = i + 1
 438             json_results.update({"Test 3: HTTP Blocked": "Passed"})
 439         else:
 440             logger.error('\033[91m' + "TEST 3 [FAILED] "
 441                          "==> HTTP NOT BLOCKED" + '\033[0m')
 442             status = "FAIL"
 443             json_results.update({"Test 3: HTTP Blocked": "Failed"})
 444             failures += 1
 445     except:
 446         logger.debug("Waiting for %s..." % floatip_client)
 447         time.sleep(6)
 448         # timeout -= 1
 449
 450     # SSH TO EXECUTE cmd_client
 451     try:
 452         ssh.connect(floatip_client, username="root",
 453                     password="opnfv", timeout=2)
 454         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 455         (stdin, stdout, stderr) = ssh.exec_command(command)
 456
 457         if "succeeded" in stdout.readlines()[0]:
 458             logger.info('\033[92m' + "TEST 4 [PASSED] "
 459                         "==> SSH WORKS" + '\033[0m')
 460             i = i + 1
 461             json_results.update({"Test 4: SSH works": "Passed"})
 462         else:
 463             logger.error('\033[91m' + "TEST 4 [FAILED] "
 464                          "==> SSH BLOCKED" + '\033[0m')
 465             status = "FAIL"
 466             json_results.update({"Test 4: SSH works": "Failed"})
 467             failures += 1
 468     except:
 469         logger.debug("Waiting for %s..." % floatip_client)
 470         time.sleep(6)
 471         # timeout -= 1
 472
 473     if i == 4:
 474         for x in range(0, 5):
 475             logger.info('\033[92m' + "SFC TEST WORKED"
 476                         " :) \n" + '\033[0m')
 477
 478     if args.report:
 479         stop_time = time.time()
 480         json_results.update({"tests": "4", "failures": int(failures)})
 481         logger.debug("Promise Results json: " + str(json_results))
 482         ft_utils.push_results_to_db("sfc",
 483                                     "functest-odl-sfc",
 484                                     start_time,
 485                                     stop_time,
 486                                     status,
 487                                     json_results)
 488     if status == "PASS":
 489         sys.exit(0)
 490     else:
 491         sys.exit(1)
 492
 493 if __name__ == '__main__':
 494     main()