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