sdnvpn/test/functest/testcase_3.py

   1 # Copyright (c) 2017 All rights reserved
   2 # This program and the accompanying materials
   3 # are made available under the terms of the Apache License, Version 2.0
   4 # which accompanies this distribution, and is available at
   5 #
   6 # http://www.apache.org/licenses/LICENSE-2.0
   7 #
   8 # Tests performed:
   9 # - Peering OpenDaylight with Quagga:
  10 #   - Set up a Quagga instance in the functest container
  11 #   - Start a BGP router with OpenDaylight
  12 #   - Add the functest Quagga as a neighbor
  13 #   - Verify that the OpenDaylight and gateway Quagga peer
  14
  15 import logging
  16 import os
  17 import sys
  18
  19 from functest.utils import functest_utils as ft_utils
  20 from sdnvpn.lib import quagga
  21 from sdnvpn.lib import openstack_utils as os_utils
  22 from sdnvpn.lib import utils as test_utils
  23 from sdnvpn.lib import config as sdnvpn_config
  24 from sdnvpn.lib.results import Results
  25
  26
  27 logger = logging.getLogger(__name__)
  28
  29 COMMON_CONFIG = sdnvpn_config.CommonConfig()
  30 TESTCASE_CONFIG = sdnvpn_config.TestcaseConfig(
  31     "sdnvpn.test.functest.testcase_3")
  32
  33
  34 def main():
  35     results = Results(COMMON_CONFIG.line_length)
  36     results.add_to_summary(0, "=")
  37     results.add_to_summary(2, "STATUS", "SUBTEST")
  38     results.add_to_summary(0, "=")
  39
  40     openstack_nodes = test_utils.get_nodes()
  41
  42     # node.is_odl() doesn't work in Apex
  43     # https://jira.opnfv.org/browse/RELENG-192
  44     controllers = [node for node in openstack_nodes
  45                    if "running" in
  46                    node.run_cmd("sudo systemctl status opendaylight")]
  47     computes = [node for node in openstack_nodes if node.is_compute()]
  48
  49     msg = ("Verify that OpenDaylight can start/communicate with zrpcd/Quagga")
  50     results.record_action(msg)
  51     results.add_to_summary(0, "-")
  52     if not controllers:
  53         msg = ("Controller (ODL) list is empty. Skipping rest of tests.")
  54         logger.info(msg)
  55         results.add_failure(msg)
  56         return results.compile_summary()
  57     else:
  58         msg = ("Controller (ODL) list is ready")
  59         logger.info(msg)
  60         results.add_success(msg)
  61
  62     controller = controllers[0]  # We don't handle HA well
  63     get_ext_ip_cmd = "sudo ip a | grep br-ex | grep inet | awk '{print $2}'"
  64     ext_net_cidr = controller.run_cmd(get_ext_ip_cmd).strip().split('\n')
  65     ext_net_mask = ext_net_cidr[0].split('/')[1]
  66     controller_ext_ip = ext_net_cidr[0].split('/')[0]
  67
  68     logger.info("Starting bgp speaker of controller at IP %s "
  69                 % controller_ext_ip)
  70     logger.info("Checking if zrpcd is "
  71                 "running on the controller node")
  72
  73     output_zrpcd = controller.run_cmd("ps --no-headers -C "
  74                                       "zrpcd -o state")
  75     states = output_zrpcd.split()
  76     running = any([s != 'Z' for s in states])
  77
  78     msg = ("zrpcd is running")
  79
  80     if not running:
  81         logger.info("zrpcd is not running on the controller node")
  82         results.add_failure(msg)
  83     else:
  84         logger.info("zrpcd is running on the controller node")
  85         results.add_success(msg)
  86
  87     results.add_to_summary(0, "-")
  88
  89     # Ensure that ZRPCD ip & port are well configured within ODL
  90     add_client_conn_to_bgp = "bgp-connect -p 7644 -h 127.0.0.1 add"
  91     test_utils.run_odl_cmd(controller, add_client_conn_to_bgp)
  92
  93     # Start bgp daemon
  94     start_quagga = "odl:configure-bgp -op start-bgp-server " \
  95                    "--as-num 100 --router-id {0}".format(controller_ext_ip)
  96     test_utils.run_odl_cmd(controller, start_quagga)
  97
  98     logger.info("Checking if bgpd is running"
  99                 " on the controller node")
 100
 101     # Check if there is a non-zombie bgpd process
 102     output_bgpd = controller.run_cmd("ps --no-headers -C "
 103                                      "bgpd -o state")
 104     states = output_bgpd.split()
 105     running = any([s != 'Z' for s in states])
 106
 107     msg = ("bgpd is running")
 108     if not running:
 109         logger.info("bgpd is not running on the controller node")
 110         results.add_failure(msg)
 111     else:
 112         logger.info("bgpd is running on the controller node")
 113         results.add_success(msg)
 114
 115     results.add_to_summary(0, "-")
 116
 117     # We should be able to restart the speaker
 118     # but the test is disabled because of buggy upstream
 119     # https://github.com/6WIND/zrpcd/issues/15
 120     # stop_quagga = 'odl:configure-bgp -op stop-bgp-server'
 121     # test_utils.run_odl_cmd(controller, stop_quagga)
 122
 123     # logger.info("Checking if bgpd is still running"
 124     #             " on the controller node")
 125
 126     # output_bgpd = controller.run_cmd("ps --no-headers -C " \
 127     #                                  "bgpd -o state")
 128     # states = output_bgpd.split()
 129     # running = any([s != 'Z' for s in states])
 130
 131     # msg = ("bgpd is stopped")
 132     # if not running:
 133     #     logger.info("bgpd is not running on the controller node")
 134     #     results.add_success(msg)
 135     # else:
 136     #     logger.info("bgpd is still running on the controller node")
 137     #     results.add_failure(msg)
 138
 139     # Taken from the sfc tests
 140     if not os.path.isfile(COMMON_CONFIG.ubuntu_image_path):
 141         logger.info("Downloading image")
 142         ft_utils.download_url(
 143             "http://artifacts.opnfv.org/sdnvpn/"
 144             "ubuntu-16.04-server-cloudimg-amd64-disk1.img",
 145             "/home/opnfv/functest/data/")
 146     else:
 147         logger.info("Using old image")
 148
 149     glance_client = os_utils.get_glance_client()
 150     nova_client = os_utils.get_nova_client()
 151     neutron_client = os_utils.get_neutron_client()
 152
 153     (floatingip_ids, instance_ids, router_ids, network_ids, image_ids,
 154      subnet_ids, interfaces, bgpvpn_ids, flavor_ids) = ([] for i in range(9))
 155
 156     try:
 157         sg_id = os_utils.create_security_group_full(
 158             neutron_client, TESTCASE_CONFIG.secgroup_name,
 159             TESTCASE_CONFIG.secgroup_descr)
 160         test_utils.open_icmp(neutron_client, sg_id)
 161         test_utils.open_http_port(neutron_client, sg_id)
 162
 163         test_utils.open_bgp_port(neutron_client, sg_id)
 164         net_id, subnet_1_id, router_1_id = test_utils.create_network(
 165             neutron_client,
 166             TESTCASE_CONFIG.net_1_name,
 167             TESTCASE_CONFIG.subnet_1_name,
 168             TESTCASE_CONFIG.subnet_1_cidr,
 169             TESTCASE_CONFIG.router_1_name)
 170
 171         quagga_net_id, subnet_quagga_id, \
 172             router_quagga_id = test_utils.create_network(
 173                 neutron_client,
 174                 TESTCASE_CONFIG.quagga_net_name,
 175                 TESTCASE_CONFIG.quagga_subnet_name,
 176                 TESTCASE_CONFIG.quagga_subnet_cidr,
 177                 TESTCASE_CONFIG.quagga_router_name)
 178
 179         interfaces.append(tuple((router_1_id, subnet_1_id)))
 180         interfaces.append(tuple((router_quagga_id, subnet_quagga_id)))
 181         network_ids.extend([net_id, quagga_net_id])
 182         router_ids.extend([router_1_id, router_quagga_id])
 183         subnet_ids.extend([subnet_1_id, subnet_quagga_id])
 184
 185         installer_type = str(os.environ['INSTALLER_TYPE'].lower())
 186         if installer_type == "fuel":
 187             disk = 'raw'
 188         elif installer_type == "apex":
 189             disk = 'qcow2'
 190         else:
 191             logger.error("Incompatible installer type")
 192
 193         ubuntu_image_id = os_utils.create_glance_image(
 194             glance_client,
 195             COMMON_CONFIG.ubuntu_image_name,
 196             COMMON_CONFIG.ubuntu_image_path,
 197             disk,
 198             container="bare",
 199             public="public")
 200
 201         image_ids.append(ubuntu_image_id)
 202
 203         # NOTE(rski) The order of this seems a bit weird but
 204         # there is a reason for this, namely
 205         # https://jira.opnfv.org/projects/SDNVPN/issues/SDNVPN-99
 206         # so we create the quagga instance using cloud-init
 207         # and immediately give it a floating IP.
 208         # The cloud-init script should contain a small sleep for
 209         # this to work.
 210         # We also create the FIP first because it is used in the
 211         # cloud-init script.
 212         fip = os_utils.create_floating_ip(neutron_client)
 213         # fake_fip is needed to bypass NAT
 214         # see below for the reason why.
 215         fake_fip = os_utils.create_floating_ip(neutron_client)
 216
 217         floatingip_ids.extend([fip['fip_id'], fake_fip['fip_id']])
 218         # pin quagga to some compute
 219         compute_node = nova_client.hypervisors.list()[0]
 220         quagga_compute_node = "nova:" + compute_node.hypervisor_hostname
 221         # Map the hypervisor used above to a compute handle
 222         # returned by releng's manager
 223         for comp in computes:
 224             if compute_node.host_ip in comp.run_cmd("sudo ip a"):
 225                 compute = comp
 226                 break
 227         quagga_bootstrap_script = quagga.gen_quagga_setup_script(
 228             controller_ext_ip,
 229             fake_fip['fip_addr'],
 230             ext_net_mask)
 231
 232         _, flavor_id = test_utils.create_custom_flavor()
 233         flavor_ids.append(flavor_id)
 234
 235         quagga_vm = test_utils.create_instance(
 236             nova_client,
 237             TESTCASE_CONFIG.quagga_instance_name,
 238             ubuntu_image_id,
 239             quagga_net_id,
 240             sg_id,
 241             fixed_ip=TESTCASE_CONFIG.quagga_instance_ip,
 242             flavor=COMMON_CONFIG.custom_flavor_name,
 243             userdata=quagga_bootstrap_script,
 244             compute_node=quagga_compute_node)
 245
 246         instance_ids.append(quagga_vm)
 247
 248         fip_added = os_utils.add_floating_ip(nova_client,
 249                                              quagga_vm.id,
 250                                              fip['fip_addr'])
 251
 252         msg = ("Assign a Floating IP to %s " %
 253                TESTCASE_CONFIG.quagga_instance_name)
 254         if fip_added:
 255             results.add_success(msg)
 256         else:
 257             results.add_failure(msg)
 258         test_utils.attach_instance_to_ext_br(quagga_vm, compute)
 259
 260         try:
 261             testcase = "Bootstrap quagga inside an OpenStack instance"
 262             cloud_init_success = test_utils.wait_for_cloud_init(quagga_vm)
 263             if cloud_init_success:
 264                 results.add_success(testcase)
 265             else:
 266                 results.add_failure(testcase)
 267             results.add_to_summary(0, "=")
 268
 269             results.add_to_summary(0, '-')
 270             results.add_to_summary(1, "Peer Quagga with OpenDaylight")
 271             results.add_to_summary(0, '-')
 272
 273             neighbor = quagga.odl_add_neighbor(fake_fip['fip_addr'],
 274                                                controller_ext_ip,
 275                                                controller)
 276             peer = quagga.check_for_peering(controller)
 277
 278         finally:
 279             test_utils.detach_instance_from_ext_br(quagga_vm, compute)
 280
 281         if neighbor and peer:
 282             results.add_success("Peering with quagga")
 283         else:
 284             results.add_failure("Peering with quagga")
 285
 286     except Exception as e:
 287         logger.error("exception occurred while executing testcase_3: %s", e)
 288         raise
 289     finally:
 290         test_utils.cleanup_nova(nova_client, instance_ids, flavor_ids)
 291         test_utils.cleanup_glance(glance_client, image_ids)
 292         test_utils.cleanup_neutron(neutron_client, floatingip_ids,
 293                                    bgpvpn_ids, interfaces, subnet_ids,
 294                                    router_ids, network_ids)
 295
 296     return results.compile_summary()
 297
 298
 299 if __name__ == '__main__':
 300     logging.basicConfig(level=logging.INFO)
 301     sys.exit(main())