sdnvpn/test/functest/testcase_3.py

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