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_RESULTS_DIR = '/home/opnfv/functest/results/'
  25 FUNCTEST_REPO = ft_utils.FUNCTEST_REPO
  26
  27 HOME = os.environ['HOME'] + "/"
  28
  29 VM_BOOT_TIMEOUT = 180
  30 INSTANCE_NAME = "client"
  31 FLAVOR = "custom"
  32 IMAGE_NAME = "sf_nsh_colorado"
  33 IMAGE_FILENAME = "sf_nsh_colorado.qcow2"
  34 IMAGE_FORMAT = "qcow2"
  35 IMAGE_PATH = "/home/opnfv/functest/data" + "/" + IMAGE_FILENAME
  36
  37 # NEUTRON Private Network parameters
  38
  39 NET_NAME = "example-net"
  40 SUBNET_NAME = "example-subnet"
  41 SUBNET_CIDR = "11.0.0.0/24"
  42 ROUTER_NAME = "example-router"
  43
  44 SECGROUP_NAME = "example-sg"
  45 SECGROUP_DESCR = "Example Security group"
  46
  47 INSTANCE_NAME_2 = "server"
  48
  49 # TEST_DB = ft_utils.get_parameter_from_yaml("results.test_db_url")
  50
  51 PRE_SETUP_SCRIPT = 'sfc_pre_setup.bash'
  52 TACKER_SCRIPT = 'sfc_tacker.bash'
  53 TEARDOWN_SCRIPT = "sfc_teardown.bash"
  54 TACKER_CHANGECLASSI = "sfc_change_classi.bash"
  55
  56 ssh_options = '-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no'
  57
  58
  59 def check_ssh(ip):
  60     cmd = "sshpass -p opnfv ssh " + ssh_options + " -q " + ip + " exit"
  61     success = subprocess.call(cmd, shell=True) == 0
  62     if not success:
  63         logger.debug("Wating for SSH connectivity in SF with IP: %s" % ip)
  64     return success
  65
  66
  67 def main():
  68
  69     # Allow any port so that tacker commands reaches the server.
  70     # This will be deleted when tacker is included in OPNFV installation
  71
  72     status = "PASS"
  73     failures = 0
  74     start_time = time.time()
  75     json_results = {}
  76
  77     contr_cmd = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  78                  " 'fuel node'|grep controller|awk '{print $10}'")
  79     logger.info("Executing script to get ip_server: '%s'" % contr_cmd)
  80     process = subprocess.Popen(contr_cmd,
  81                                shell=True,
  82                                stdout=subprocess.PIPE,
  83                                stderr=subprocess.PIPE)
  84     ip_server = process.stdout.readline().rstrip()
  85
  86     iptable_cmd1 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  87                     " ssh " + ip_server + " iptables -P INPUT ACCEPT ")
  88     iptable_cmd2 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  89                     " ssh " + ip_server + " iptables -t nat -P INPUT ACCEPT ")
  90     iptable_cmd3 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  91                     " ssh " + ssh_options + " " + ip_server +
  92                     " iptables -A INPUT -m state"
  93                     " --state NEW,ESTABLISHED,RELATED -j ACCEPT")
  94
  95     logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd1)
  96     subprocess.call(iptable_cmd1, shell=True, stderr=subprocess.PIPE)
  97
  98     logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd2)
  99     subprocess.call(iptable_cmd2, shell=True, stderr=subprocess.PIPE)
 100
 101     logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd3)
 102     subprocess.call(iptable_cmd3, shell=True, stderr=subprocess.PIPE)
 103
 104 # Getting the different clients
 105
 106     nova_client = os_utils.get_nova_client()
 107     neutron_client = os_utils.get_neutron_client()
 108     glance_client = os_utils.get_glance_client()
 109
 110 # Download the image
 111
 112     if not os.path.isfile(IMAGE_PATH):
 113         logger.info("Downloading image")
 114         ft_utils.download_url(
 115             "http://artifacts.opnfv.org/sfc/demo/sf_nsh_colorado.qcow2",
 116             "/home/opnfv/functest/data/")
 117     else:
 118         logger.info("Using old image")
 119
 120 # Create glance image and the neutron network
 121
 122     image_id = os_utils.create_glance_image(glance_client,
 123                                             IMAGE_NAME,
 124                                             IMAGE_PATH,
 125                                             disk=IMAGE_FORMAT,
 126                                             container="bare",
 127                                             public=True)
 128
 129     network_dic = os_utils.create_network_full(neutron_client,
 130                                                NET_NAME,
 131                                                SUBNET_NAME,
 132                                                ROUTER_NAME,
 133                                                SUBNET_CIDR)
 134     if not network_dic:
 135         logger.error(
 136             "There has been a problem when creating the neutron network")
 137         sys.exit(-1)
 138
 139     network_id = network_dic["net_id"]
 140
 141     sg_id = os_utils.create_security_group_full(neutron_client,
 142                                                 SECGROUP_NAME, SECGROUP_DESCR)
 143
 144     secgroups = os_utils.get_security_groups(neutron_client)
 145
 146     for sg in secgroups:
 147         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 148                                       'ingress', 'tcp',
 149                                       port_range_min=22,
 150                                       port_range_max=22)
 151         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 152                                       'egress', 'tcp',
 153                                       port_range_min=22,
 154                                       port_range_max=22)
 155         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 156                                       'ingress', 'tcp',
 157                                       port_range_min=80,
 158                                       port_range_max=80)
 159         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 160                                       'egress', 'tcp',
 161                                       port_range_min=80,
 162                                       port_range_max=80)
 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_2)
 213     logger.debug(
 214         "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
 215         "network=%s \n" % (INSTANCE_NAME_2, 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     i = 0
 370
 371     # SSH TO EXECUTE cmd_client
 372     logger.info("TEST STARTED")
 373     try:
 374         ssh.connect(floatip_client, username="root",
 375                     password="opnfv", timeout=2)
 376         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 377         (stdin, stdout, stderr) = ssh.exec_command(command)
 378
 379         # WRITE THE CORRECT WAY TO DO LOGGING
 380         if "timed out" in stdout.readlines()[0]:
 381             logger.info('\033[92m' + "TEST 1 [PASSED] "
 382                         "==> SSH BLOCKED" + '\033[0m')
 383             i = i + 1
 384             json_results.update({"Test 1: SSH Blocked": "Passed"})
 385         else:
 386             logger.error('\033[91m' + "TEST 1 [FAILED] "
 387                          "==> SSH NOT BLOCKED" + '\033[0m')
 388             status = "FAIL"
 389             json_results.update({"Test 1: SSH Blocked": "Failed"})
 390             failures += 1
 391     except:
 392         logger.debug("Waiting for %s..." % floatip_client)
 393         time.sleep(6)
 394         # timeout -= 1
 395
 396     # SSH TO EXECUTE cmd_client
 397     try:
 398         ssh.connect(floatip_client, username="root",
 399                     password="opnfv", timeout=2)
 400         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 401         (stdin, stdout, stderr) = ssh.exec_command(command)
 402
 403         if "succeeded" in stdout.readlines()[0]:
 404             logger.info('\033[92m' + "TEST 2 [PASSED] "
 405                         "==> HTTP WORKS" + '\033[0m')
 406             i = i + 1
 407             json_results.update({"Test 2: HTTP works": "Passed"})
 408         else:
 409             logger.error('\033[91m' + "TEST 2 [FAILED] "
 410                          "==> HTTP BLOCKED" + '\033[0m')
 411             status = "FAIL"
 412             json_results.update({"Test 2: HTTP works": "Failed"})
 413             failures += 1
 414     except:
 415         logger.debug("Waiting for %s..." % floatip_client)
 416         time.sleep(6)
 417         # timeout -= 1
 418
 419     # CHANGE OF CLASSIFICATION #
 420     logger.info("Changing the classification")
 421     tacker_classi = "%s/testcases/features/sfc/%s" % \
 422                     (FUNCTEST_REPO, TACKER_CHANGECLASSI)
 423     subprocess.call(tacker_classi, shell=True)
 424
 425     logger.info("Wait for ODL to update the classification rules in OVS")
 426     time.sleep(100)
 427
 428     # SSH TO EXECUTE cmd_client
 429
 430     try:
 431         ssh.connect(floatip_client, username="root",
 432                     password="opnfv", timeout=2)
 433         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 434         (stdin, stdout, stderr) = ssh.exec_command(command)
 435
 436         if "timed out" in stdout.readlines()[0]:
 437             logger.info('\033[92m' + "TEST 3 [PASSED] "
 438                         "==> HTTP BLOCKED" + '\033[0m')
 439             i = i + 1
 440             json_results.update({"Test 3: HTTP Blocked": "Passed"})
 441         else:
 442             logger.error('\033[91m' + "TEST 3 [FAILED] "
 443                          "==> HTTP NOT BLOCKED" + '\033[0m')
 444             status = "FAIL"
 445             json_results.update({"Test 3: HTTP Blocked": "Failed"})
 446             failures += 1
 447     except:
 448         logger.debug("Waiting for %s..." % floatip_client)
 449         time.sleep(6)
 450         # timeout -= 1
 451
 452     # SSH TO EXECUTE cmd_client
 453     try:
 454         ssh.connect(floatip_client, username="root",
 455                     password="opnfv", timeout=2)
 456         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 457         (stdin, stdout, stderr) = ssh.exec_command(command)
 458
 459         if "succeeded" in stdout.readlines()[0]:
 460             logger.info('\033[92m' + "TEST 4 [PASSED] "
 461                         "==> SSH WORKS" + '\033[0m')
 462             i = i + 1
 463             json_results.update({"Test 4: SSH works": "Passed"})
 464         else:
 465             logger.error('\033[91m' + "TEST 4 [FAILED] "
 466                          "==> SSH BLOCKED" + '\033[0m')
 467             status = "FAIL"
 468             json_results.update({"Test 4: SSH works": "Failed"})
 469             failures += 1
 470     except:
 471         logger.debug("Waiting for %s..." % floatip_client)
 472         time.sleep(6)
 473         # timeout -= 1
 474
 475     if i == 4:
 476         for x in range(0, 5):
 477             logger.info('\033[92m' + "SFC TEST WORKED"
 478                         " :) \n" + '\033[0m')
 479
 480     if args.report:
 481         stop_time = time.time()
 482         json_results.update({"tests": "4", "failures": int(failures)})
 483         logger.debug("Promise Results json: " + str(json_results))
 484         ft_utils.push_results_to_db("sfc",
 485                                     "functest-odl-sfc",
 486                                     start_time,
 487                                     stop_time,
 488                                     status,
 489                                     json_results)
 490     if status == "PASS":
 491         sys.exit(0)
 492     else:
 493         sys.exit(1)
 494
 495 if __name__ == '__main__':
 496     main()