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 functest.utils import openstack_utils as os_utils
  21 from sdnvpn.lib import quagga
  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     cmd = "systemctl status zrpcd |grep -i running"
  74     output = controller.run_cmd(cmd)
  75     msg = ("zrpcd is running")
  76
  77     if not output:
  78         logger.info("zrpcd is not running on the controller node")
  79         results.add_failure(msg)
  80     else:
  81         logger.info("zrpcd is running on the controller node")
  82         results.add_success(msg)
  83
  84     results.add_to_summary(0, "-")
  85
  86     start_quagga = "odl:configure-bgp -op start-bgp-server " \
  87                    "--as-num 100 --router-id {0}".format(controller_ext_ip)
  88     test_utils.run_odl_cmd(controller, start_quagga)
  89
  90     logger.info("Checking if bgpd is running"
  91                 " on the controller node")
  92
  93     # Check if there is a non-zombie bgpd process
  94     output_bgpd = controller.run_cmd("ps --no-headers -C "
  95                                      "bgpd -o state")
  96     states = output_bgpd.split()
  97     running = any([s != 'Z' for s in states])
  98
  99     msg = ("bgpd is running")
 100     if not running:
 101         logger.info("bgpd is not running on the controller node")
 102         results.add_failure(msg)
 103     else:
 104         logger.info("bgpd is running on the controller node")
 105         results.add_success(msg)
 106
 107     results.add_to_summary(0, "-")
 108
 109     # We should be able to restart the speaker
 110     # but the test is disabled because of buggy upstream
 111     # https://github.com/6WIND/zrpcd/issues/15
 112     # stop_quagga = 'odl:configure-bgp -op stop-bgp-server'
 113     # test_utils.run_odl_cmd(controller, stop_quagga)
 114
 115     # logger.info("Checking if bgpd is still running"
 116     #             " on the controller node")
 117
 118     # output_bgpd = controller.run_cmd("ps --no-headers -C " \
 119     #                                  "bgpd -o state")
 120     # states = output_bgpd.split()
 121     # running = any([s != 'Z' for s in states])
 122
 123     # msg = ("bgpd is stopped")
 124     # if not running:
 125     #     logger.info("bgpd is not running on the controller node")
 126     #     results.add_success(msg)
 127     # else:
 128     #     logger.info("bgpd is still running on the controller node")
 129     #     results.add_failure(msg)
 130
 131     # Taken from the sfc tests
 132     if not os.path.isfile(COMMON_CONFIG.ubuntu_image_path):
 133         logger.info("Downloading image")
 134         ft_utils.download_url(
 135             "http://artifacts.opnfv.org/sdnvpn/"
 136             "ubuntu-16.04-server-cloudimg-amd64-disk1.img",
 137             "/home/opnfv/functest/data/")
 138     else:
 139         logger.info("Using old image")
 140
 141     glance_client = os_utils.get_glance_client()
 142     nova_client = os_utils.get_nova_client()
 143     neutron_client = os_utils.get_neutron_client()
 144
 145     (floatingip_ids, instance_ids, router_ids, network_ids, image_ids,
 146      subnet_ids, interfaces, bgpvpn_ids) = ([] for i in range(8))
 147
 148     try:
 149         sg_id = os_utils.create_security_group_full(
 150             neutron_client, TESTCASE_CONFIG.secgroup_name,
 151             TESTCASE_CONFIG.secgroup_descr)
 152         test_utils.open_icmp(neutron_client, sg_id)
 153         test_utils.open_http_port(neutron_client, sg_id)
 154
 155         test_utils.open_bgp_port(neutron_client, sg_id)
 156         net_id, subnet_1_id, router_1_id = test_utils.create_network(
 157             neutron_client,
 158             TESTCASE_CONFIG.net_1_name,
 159             TESTCASE_CONFIG.subnet_1_name,
 160             TESTCASE_CONFIG.subnet_1_cidr,
 161             TESTCASE_CONFIG.router_1_name)
 162
 163         quagga_net_id, subnet_quagga_id, \
 164             router_quagga_id = test_utils.create_network(
 165                 neutron_client,
 166                 TESTCASE_CONFIG.quagga_net_name,
 167                 TESTCASE_CONFIG.quagga_subnet_name,
 168                 TESTCASE_CONFIG.quagga_subnet_cidr,
 169                 TESTCASE_CONFIG.quagga_router_name)
 170
 171         interfaces.append(tuple((router_1_id, subnet_1_id)))
 172         interfaces.append(tuple((router_quagga_id, subnet_quagga_id)))
 173         network_ids.extend([net_id, quagga_net_id])
 174         router_ids.extend([router_1_id, router_quagga_id])
 175         subnet_ids.extend([subnet_1_id, subnet_quagga_id])
 176
 177         installer_type = str(os.environ['INSTALLER_TYPE'].lower())
 178         if installer_type == "fuel":
 179             disk = 'raw'
 180         elif installer_type == "apex":
 181             disk = 'qcow2'
 182         else:
 183             logger.error("Incompatible installer type")
 184
 185         ubuntu_image_id = os_utils.create_glance_image(
 186             glance_client,
 187             COMMON_CONFIG.ubuntu_image_name,
 188             COMMON_CONFIG.ubuntu_image_path,
 189             disk,
 190             container="bare",
 191             public="public")
 192
 193         image_ids.append(ubuntu_image_id)
 194
 195         # NOTE(rski) The order of this seems a bit weird but
 196         # there is a reason for this, namely
 197         # https://jira.opnfv.org/projects/SDNVPN/issues/SDNVPN-99
 198         # so we create the quagga instance using cloud-init
 199         # and immediately give it a floating IP.
 200         # The cloud-init script should contain a small sleep for
 201         # this to work.
 202         # We also create the FIP first because it is used in the
 203         # cloud-init script.
 204         fip = os_utils.create_floating_ip(neutron_client)
 205         # fake_fip is needed to bypass NAT
 206         # see below for the reason why.
 207         fake_fip = os_utils.create_floating_ip(neutron_client)
 208
 209         floatingip_ids.extend([fip['fip_id'], fake_fip['fip_id']])
 210         # pin quagga to some compute
 211         compute_node = nova_client.hypervisors.list()[0]
 212         quagga_compute_node = "nova:" + compute_node.hypervisor_hostname
 213         # Map the hypervisor used above to a compute handle
 214         # returned by releng's manager
 215         for comp in computes:
 216             if compute_node.host_ip in comp.run_cmd("sudo ip a"):
 217                 compute = comp
 218                 break
 219         quagga_bootstrap_script = quagga.gen_quagga_setup_script(
 220             controller_ext_ip,
 221             fake_fip['fip_addr'],
 222             ext_net_mask)
 223
 224         test_utils.create_custom_flavor()
 225
 226         quagga_vm = test_utils.create_instance(
 227             nova_client,
 228             TESTCASE_CONFIG.quagga_instance_name,
 229             ubuntu_image_id,
 230             quagga_net_id,
 231             sg_id,
 232             fixed_ip=TESTCASE_CONFIG.quagga_instance_ip,
 233             flavor=COMMON_CONFIG.custom_flavor_name,
 234             userdata=quagga_bootstrap_script,
 235             compute_node=quagga_compute_node)
 236
 237         instance_ids.append(quagga_vm)
 238
 239         fip_added = os_utils.add_floating_ip(nova_client,
 240                                              quagga_vm.id,
 241                                              fip['fip_addr'])
 242
 243         msg = ("Assign a Floating IP to %s " %
 244                TESTCASE_CONFIG.quagga_instance_name)
 245         if fip_added:
 246             results.add_success(msg)
 247         else:
 248             results.add_failure(msg)
 249         test_utils.attach_instance_to_ext_br(quagga_vm, compute)
 250
 251         try:
 252             testcase = "Bootstrap quagga inside an OpenStack instance"
 253             cloud_init_success = test_utils.wait_for_cloud_init(quagga_vm)
 254             if cloud_init_success:
 255                 results.add_success(testcase)
 256             else:
 257                 results.add_failure(testcase)
 258             results.add_to_summary(0, "=")
 259
 260             results.add_to_summary(0, '-')
 261             results.add_to_summary(1, "Peer Quagga with OpenDaylight")
 262             results.add_to_summary(0, '-')
 263
 264             neighbor = quagga.odl_add_neighbor(fake_fip['fip_addr'],
 265                                                controller_ext_ip,
 266                                                controller)
 267             peer = quagga.check_for_peering(controller)
 268
 269         finally:
 270             test_utils.detach_instance_from_ext_br(quagga_vm, compute)
 271
 272         if neighbor and peer:
 273             results.add_success("Peering with quagga")
 274         else:
 275             results.add_failure("Peering with quagga")
 276
 277     except Exception as e:
 278         logger.error("exception occurred while executing testcase_3: %s", e)
 279         raise
 280     finally:
 281         test_utils.cleanup_nova(nova_client, instance_ids, image_ids)
 282         test_utils.cleanup_neutron(neutron_client, floatingip_ids,
 283                                    bgpvpn_ids, interfaces, subnet_ids,
 284                                    router_ids, network_ids)
 285
 286     return results.compile_summary()
 287
 288
 289 if __name__ == '__main__':
 290     logging.basicConfig(level=logging.INFO)
 291     sys.exit(main())