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     iptable_cmd1 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  86                     " ssh " + ip_server + " iptables -P INPUT ACCEPT ")
  87     iptable_cmd2 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  88                     " ssh " + ip_server + " iptables -t nat -P INPUT ACCEPT ")
  89     iptable_cmd3 = ("sshpass -p r00tme ssh " + ssh_options + " root@10.20.0.2"
  90                     " ssh " + ssh_options + " " + ip_server +
  91                     " iptables -A INPUT -m state"
  92                     " --state NEW,ESTABLISHED,RELATED -j ACCEPT")
  93
  94     logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd1)
  95     subprocess.call(iptable_cmd1, shell=True, stderr=subprocess.PIPE)
  96
  97     logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd2)
  98     subprocess.call(iptable_cmd2, shell=True, stderr=subprocess.PIPE)
  99
 100     logger.info("Changing firewall policy in controller: '%s'" % iptable_cmd3)
 101     subprocess.call(iptable_cmd3, shell=True, stderr=subprocess.PIPE)
 102
 103 # Getting the different clients
 104
 105     nova_client = os_utils.get_nova_client()
 106     neutron_client = os_utils.get_neutron_client()
 107     glance_client = os_utils.get_glance_client()
 108
 109 # Download the image
 110
 111     if not os.path.isfile(IMAGE_PATH):
 112         logger.info("Downloading image")
 113         ft_utils.download_url(
 114             "http://artifacts.opnfv.org/sfc/demo/sf_nsh_colorado.qcow2",
 115             "/home/opnfv/functest/data/")
 116     else:
 117         logger.info("Using old image")
 118
 119 # Create glance image and the neutron network
 120
 121     image_id = os_utils.create_glance_image(glance_client,
 122                                             IMAGE_NAME,
 123                                             IMAGE_PATH,
 124                                             disk=IMAGE_FORMAT,
 125                                             container="bare",
 126                                             public=True)
 127
 128     network_dic = os_utils.create_network_full(neutron_client,
 129                                                NET_NAME,
 130                                                SUBNET_NAME,
 131                                                ROUTER_NAME,
 132                                                SUBNET_CIDR)
 133     if not network_dic:
 134         logger.error(
 135             "There has been a problem when creating the neutron network")
 136         sys.exit(-1)
 137
 138     network_id = network_dic["net_id"]
 139
 140     sg_id = os_utils.create_security_group_full(neutron_client,
 141                                                 SECGROUP_NAME, SECGROUP_DESCR)
 142
 143     secgroups = os_utils.get_security_groups(neutron_client)
 144
 145     for sg in secgroups:
 146         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 147                                       'ingress', 'tcp',
 148                                       port_range_min=22,
 149                                       port_range_max=22)
 150         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 151                                       'egress', 'tcp',
 152                                       port_range_min=22,
 153                                       port_range_max=22)
 154         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 155                                       'ingress', 'tcp',
 156                                       port_range_min=80,
 157                                       port_range_max=80)
 158         os_utils.create_secgroup_rule(neutron_client, sg['id'],
 159                                       'egress', 'tcp',
 160                                       port_range_min=80,
 161                                       port_range_max=80)
 162
 163     _, custom_flv_id = os_utils.get_or_create_flavor(
 164         'custom', 1500, 10, 1, public=True)
 165     if not custom_flv_id:
 166         logger.error("Failed to create custom flavor")
 167         sys.exit(1)
 168
 169     # boot INSTANCE
 170     logger.info("Creating instance '%s'..." % INSTANCE_NAME)
 171     logger.debug(
 172         "Configuration:\n name=%s \n flavor=%s \n image=%s \n "
 173         "network=%s \n" % (INSTANCE_NAME, FLAVOR, image_id, network_id))
 174     instance = os_utils.create_instance_and_wait_for_active(FLAVOR,
 175                                                             image_id,
 176                                                             network_id,
 177                                                             INSTANCE_NAME,
 178                                                             av_zone='nova')
 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_2, 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                                                               av_zone='nova')
 220
 221     if instance_2 is None:
 222         logger.error("Error while booting instance.")
 223         sys.exit(-1)
 224     # Retrieve IP of INSTANCE
 225     instance_ip_2 = instance_2.networks.get(NET_NAME)[0]
 226     logger.debug("Instance '%s' got private ip '%s'." %
 227                  (INSTANCE_NAME_2, instance_ip_2))
 228
 229     logger.info("Adding '%s' to security group '%s'..."
 230                 % (INSTANCE_NAME_2, SECGROUP_NAME))
 231     os_utils.add_secgroup_to_instance(nova_client, instance_2.id, sg_id)
 232
 233     logger.info("Creating floating IP for VM '%s'..." % INSTANCE_NAME_2)
 234     floatip_dic = os_utils.create_floating_ip(neutron_client)
 235     floatip_server = floatip_dic['fip_addr']
 236     # floatip_id = floatip_dic['fip_id']
 237
 238     if floatip_server is None:
 239         logger.error("Cannot create floating IP.")
 240         sys.exit(-1)
 241     logger.info("Floating IP created: '%s'" % floatip_server)
 242
 243     logger.info("Associating floating ip: '%s' to VM '%s' "
 244                 % (floatip_server, INSTANCE_NAME_2))
 245
 246     if not os_utils.add_floating_ip(nova_client,
 247                                     instance_2.id,
 248                                     floatip_server):
 249         logger.error("Cannot associate floating IP to VM.")
 250         sys.exit(-1)
 251
 252     # CREATION OF THE 2 SF ####
 253
 254     tacker_script = "%s/testcases/features/sfc/%s" % \
 255                     (FUNCTEST_REPO, TACKER_SCRIPT)
 256     logger.info("Executing tacker script: '%s'" % tacker_script)
 257     subprocess.call(tacker_script, shell=True)
 258
 259     # SSH CALL TO START HTTP SERVER
 260     ssh = paramiko.SSHClient()
 261     ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 262
 263     try:
 264         ssh.connect(floatip_server, username="root",
 265                     password="opnfv", timeout=2)
 266         command = "python -m SimpleHTTPServer 80 > /dev/null 2>&1 &"
 267         logger.info("Starting HTTP server")
 268         (stdin, stdout, stderr) = ssh.exec_command(command)
 269     except:
 270         logger.debug("Waiting for %s..." % floatip_server)
 271         time.sleep(6)
 272         # timeout -= 1
 273
 274     instances = nova_client.servers.list(search_opts={'all_tenants': 1})
 275     ips = []
 276     try:
 277         for instance in instances:
 278             if "server" not in instance.name:
 279                 if "client" not in instance.name:
 280                     logger.debug(
 281                         "This is the instance name: %s " % instance.name)
 282                     floatip_dic = os_utils.create_floating_ip(neutron_client)
 283                     floatip = floatip_dic['fip_addr']
 284                     ips.append(floatip)
 285                     instance.add_floating_ip(floatip)
 286     except:
 287         logger.debug("Problems assigning floating IP to SFs")
 288
 289     # If no IPs were obtained, then we cant continue
 290     if not ips:
 291         logger.error('Failed to obtain IPs, cant continue, exiting')
 292         return
 293
 294     logger.debug("Floating IPs for SFs: %s..." % ips)
 295
 296     # Check SSH connectivity to VNFs
 297     r = 0
 298     retries = 100
 299     check = [False, False]
 300
 301     logger.info("Checking SSH connectivity to the SFs with ips %s" % str(ips))
 302     while r < retries and not all(check):
 303         try:
 304             check = [check_ssh(ips[0]), check_ssh(ips[1])]
 305         except Exception:
 306             logger.exception("SSH check failed")
 307             check = [False, False]
 308         time.sleep(3)
 309         r += 1
 310
 311     if not all(check):
 312         logger.error("Cannot establish SSH connection to the SFs")
 313         sys.exit(1)
 314
 315     logger.info("SSH connectivity to the SFs established")
 316
 317     # SSH TO START THE VXLAN_TOOL ON SF1
 318     logger.info("Configuring the SFs")
 319     try:
 320         ssh.connect(ips[0], username="root",
 321                     password="opnfv", timeout=2)
 322         command = ("nohup python vxlan_tool.py -i eth0 "
 323                    "-d forward -v off -b 80 > /dev/null 2>&1 &")
 324         (stdin, stdout, stderr) = ssh.exec_command(command)
 325     except:
 326         logger.debug("Waiting for %s..." % ips[0])
 327         time.sleep(6)
 328         # timeout -= 1
 329
 330     try:
 331         while 1:
 332             (stdin, stdout, stderr) = ssh.exec_command(
 333                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 334             if len(stdout.readlines()) > 0:
 335                 logger.debug("HTTP firewall started")
 336                 break
 337             else:
 338                 logger.debug("HTTP firewall not started")
 339                 time.sleep(3)
 340     except Exception:
 341         logger.exception("vxlan_tool not started in SF1")
 342
 343     # SSH TO START THE VXLAN_TOOL ON SF2
 344     try:
 345         ssh.connect(ips[1], username="root",
 346                     password="opnfv", timeout=2)
 347         command = ("nohup python vxlan_tool.py -i eth0 "
 348                    "-d forward -v off -b 22 > /dev/null 2>&1 &")
 349         (stdin, stdout, stderr) = ssh.exec_command(command)
 350     except:
 351         logger.debug("Waiting for %s..." % ips[1])
 352         time.sleep(6)
 353         # timeout -= 1
 354
 355     try:
 356         while 1:
 357             (stdin, stdout, stderr) = ssh.exec_command(
 358                 "ps aux | grep \"vxlan_tool.py\" | grep -v grep")
 359             if len(stdout.readlines()) > 0:
 360                 logger.debug("SSH firewall started")
 361                 break
 362             else:
 363                 logger.debug("SSH firewall not started")
 364                 time.sleep(3)
 365     except Exception:
 366         logger.exception("vxlan_tool not started in SF2")
 367
 368     i = 0
 369
 370     # SSH TO EXECUTE cmd_client
 371     logger.info("TEST STARTED")
 372     try:
 373         ssh.connect(floatip_client, username="root",
 374                     password="opnfv", timeout=2)
 375         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 376         (stdin, stdout, stderr) = ssh.exec_command(command)
 377
 378         # WRITE THE CORRECT WAY TO DO LOGGING
 379         if "timed out" in stdout.readlines()[0]:
 380             logger.info('\033[92m' + "TEST 1 [PASSED] "
 381                         "==> SSH BLOCKED" + '\033[0m')
 382             i = i + 1
 383             json_results.update({"Test 1: SSH Blocked": "Passed"})
 384         else:
 385             logger.error('\033[91m' + "TEST 1 [FAILED] "
 386                          "==> SSH NOT BLOCKED" + '\033[0m')
 387             status = "FAIL"
 388             json_results.update({"Test 1: SSH Blocked": "Failed"})
 389             failures += 1
 390     except:
 391         logger.debug("Waiting for %s..." % floatip_client)
 392         time.sleep(6)
 393         # timeout -= 1
 394
 395     # SSH TO EXECUTE cmd_client
 396     try:
 397         ssh.connect(floatip_client, username="root",
 398                     password="opnfv", timeout=2)
 399         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 400         (stdin, stdout, stderr) = ssh.exec_command(command)
 401
 402         if "succeeded" in stdout.readlines()[0]:
 403             logger.info('\033[92m' + "TEST 2 [PASSED] "
 404                         "==> HTTP WORKS" + '\033[0m')
 405             i = i + 1
 406             json_results.update({"Test 2: HTTP works": "Passed"})
 407         else:
 408             logger.error('\033[91m' + "TEST 2 [FAILED] "
 409                          "==> HTTP BLOCKED" + '\033[0m')
 410             status = "FAIL"
 411             json_results.update({"Test 2: HTTP works": "Failed"})
 412             failures += 1
 413     except:
 414         logger.debug("Waiting for %s..." % floatip_client)
 415         time.sleep(6)
 416         # timeout -= 1
 417
 418     # CHANGE OF CLASSIFICATION #
 419     logger.info("Changing the classification")
 420     tacker_classi = "%s/testcases/features/sfc/%s" % \
 421                     (FUNCTEST_REPO, TACKER_CHANGECLASSI)
 422     subprocess.call(tacker_classi, shell=True)
 423
 424     logger.info("Wait for ODL to update the classification rules in OVS")
 425     time.sleep(100)
 426
 427     # SSH TO EXECUTE cmd_client
 428
 429     try:
 430         ssh.connect(floatip_client, username="root",
 431                     password="opnfv", timeout=2)
 432         command = "nc -w 5 -zv " + instance_ip_2 + " 80 2>&1"
 433         (stdin, stdout, stderr) = ssh.exec_command(command)
 434
 435         if "timed out" in stdout.readlines()[0]:
 436             logger.info('\033[92m' + "TEST 3 [PASSED] "
 437                         "==> HTTP BLOCKED" + '\033[0m')
 438             i = i + 1
 439             json_results.update({"Test 3: HTTP Blocked": "Passed"})
 440         else:
 441             logger.error('\033[91m' + "TEST 3 [FAILED] "
 442                          "==> HTTP NOT BLOCKED" + '\033[0m')
 443             status = "FAIL"
 444             json_results.update({"Test 3: HTTP Blocked": "Failed"})
 445             failures += 1
 446     except:
 447         logger.debug("Waiting for %s..." % floatip_client)
 448         time.sleep(6)
 449         # timeout -= 1
 450
 451     # SSH TO EXECUTE cmd_client
 452     try:
 453         ssh.connect(floatip_client, username="root",
 454                     password="opnfv", timeout=2)
 455         command = "nc -w 5 -zv " + instance_ip_2 + " 22 2>&1"
 456         (stdin, stdout, stderr) = ssh.exec_command(command)
 457
 458         if "succeeded" in stdout.readlines()[0]:
 459             logger.info('\033[92m' + "TEST 4 [PASSED] "
 460                         "==> SSH WORKS" + '\033[0m')
 461             i = i + 1
 462             json_results.update({"Test 4: SSH works": "Passed"})
 463         else:
 464             logger.error('\033[91m' + "TEST 4 [FAILED] "
 465                          "==> SSH BLOCKED" + '\033[0m')
 466             status = "FAIL"
 467             json_results.update({"Test 4: SSH works": "Failed"})
 468             failures += 1
 469     except:
 470         logger.debug("Waiting for %s..." % floatip_client)
 471         time.sleep(6)
 472         # timeout -= 1
 473
 474     if i == 4:
 475         for x in range(0, 5):
 476             logger.info('\033[92m' + "SFC TEST WORKED"
 477                         " :) \n" + '\033[0m')
 478
 479     if args.report:
 480         stop_time = time.time()
 481         json_results.update({"tests": "4", "failures": int(failures)})
 482         logger.debug("Promise Results json: " + str(json_results))
 483         ft_utils.push_results_to_db("sfc",
 484                                     "functest-odl-sfc",
 485                                     start_time,
 486                                     stop_time,
 487                                     status,
 488                                     json_results)
 489     if status == "PASS":
 490         sys.exit(0)
 491     else:
 492         sys.exit(1)
 493
 494 if __name__ == '__main__':
 495     main()