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path: root/sdnvpn/test/functest/testcase_3.py
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#
# Copyright (c) 2017 All rights reserved
# This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Tests performed:
# - Peering OpenDaylight with Quagga:
#   - Set up a Quagga instance in the functest container
#   - Start a BGP router with OpenDaylight
#   - Add the functest Quagga as a neighbor
#   - Verify that the OpenDaylight and functest Quaggas peer
# - Exchange routing information with Quagga:
#   - Create a network, instance and BGPVPN in OpenStack
#   - Verify the route to the instance is present in the OpenDaylight FIB
#   - Verify that the functest Quagga also learns these routes
import os
import argparse

from sdnvpn.lib import quagga
import sdnvpn.lib.utils as test_utils
import sdnvpn.lib.config as sdnvpn_config

import functest.utils.openstack_utils as os_utils
import functest.utils.functest_utils as ft_utils
import functest.utils.functest_logger as ft_logger

from sdnvpn.lib.results import Results

COMMON_CONFIG = sdnvpn_config.CommonConfig()
TESTCASE_CONFIG = sdnvpn_config.TestcaseConfig("testcase_3")

logger = ft_logger.Logger("sdnvpn-testcase-3").getLogger()

parser = argparse.ArgumentParser()

parser.add_argument("-r", "--report",
                    help="Create json result file",
                    action="store_true")

args = parser.parse_args()


def main():
    results = Results(COMMON_CONFIG.line_length)
    results.add_to_summary(0, "=")
    results.add_to_summary(2, "STATUS", "SUBTEST")
    results.add_to_summary(0, "=")

    openstack_nodes = test_utils.get_nodes()

    controllers = [node for node in openstack_nodes
                   if node.is_odl()]
    msg = ("Verify that OpenDaylight can start/communicate with zrpcd/Quagga")
    results.record_action(msg)
    results.add_to_summary(0, "-")
    if not controllers:
        msg = ("Controller (ODL) list is empty. Skipping rest of tests.")
        logger.info(msg)
        results.add_failure(msg)
        return results.compile_summary()
    else:
        msg = ("Controller (ODL) list is ready")
        logger.info(msg)
        results.add_success(msg)

    for controller in controllers:
        logger.info("Starting bgp speaker of controller at IP %s "
                    % controller.ip)
        logger.info("Checking if zrpcd is "
                    "running on the controller node")

        cmd = "systemctl status zrpcd"
        output = controller.run_cmd(cmd)
        msg = ("zrpcd is running")

        if not output:
            logger.info("zrpcd is not running on the controller node")
            results.add_failure(msg)
        else:
            logger.info("zrpcd is running on the controller node")
            results.add_success(msg)

        results.add_to_summary(0, "-")

        # TODO here we need the external ip of the controller
        start_quagga = "odl:configure-bgp -op start-bgp-server " \
                       "--as-num 100 --router-id {0}".format(controller.ip)
        test_utils.run_odl_cmd(controller, start_quagga)

        logger.info("Checking if bgpd is running"
                    " on the controller node")

        # Check if there is a non-zombie bgpd process
        output_bgpd = controller.run_cmd("ps --no-headers -C "
                                         "bgpd -o state")
        states = output_bgpd.split()
        running = any([s != 'Z' for s in states])

        msg = ("bgpd is running")
        if not running:
            logger.info("bgpd is not running on the controller node")
            results.add_failure(msg)
        else:
            logger.info("bgpd is running on the controller node")
            results.add_success(msg)

        results.add_to_summary(0, "-")

        stop_quagga = 'odl:configure-bgp -op stop-bgp-server'

        test_utils.run_odl_cmd(controller, stop_quagga)

        # disabled because of buggy upstream
        # https://github.com/6WIND/zrpcd/issues/15
        # logger.info("Checking if bgpd is still running"
        #             " on the controller node")

        # output_bgpd = controller.run_cmd("ps --no-headers -C " \
        #                                  "bgpd -o state")
        # states = output_bgpd.split()
        # running = any([s != 'Z' for s in states])

        # msg = ("bgpd is stopped")
        # if not running:
        #     logger.info("bgpd is not running on the controller node")
        #     results.add_success(msg)
        # else:
        #     logger.info("bgpd is still running on the controller node")
        #     results.add_failure(msg)

    # Taken from the sfc tests
    if not os.path.isfile(COMMON_CONFIG.ubuntu_image_path):
        logger.info("Downloading image")
        ft_utils.download_url(
            "https://cloud-images.ubuntu.com/releases/16.04/"
            "release/ubuntu-16.04-server-cloudimg-amd64-disk1.img",
            "/home/opnfv/functest/data/")
    else:
        logger.info("Using old image")

    glance_client = os_utils.get_glance_client()
    nova_client = os_utils.get_nova_client()
    neutron_client = os_utils.get_neutron_client()

    sg_id = os_utils.create_security_group_full(neutron_client,
                                                TESTCASE_CONFIG.secgroup_name,
                                                TESTCASE_CONFIG.secgroup_descr)
    test_utils.open_icmp_ssh(neutron_client, sg_id)
    test_utils.open_bgp_port(neutron_client, sg_id)
    net_id, _, _ = test_utils.create_network(neutron_client,
                                             TESTCASE_CONFIG.net_1_name,
                                             TESTCASE_CONFIG.subnet_1_name,
                                             TESTCASE_CONFIG.subnet_1_cidr,
                                             TESTCASE_CONFIG.router_1_name)

    quagga_net_id, _, _ = test_utils.create_network(
        neutron_client,
        TESTCASE_CONFIG.quagga_net_name,
        TESTCASE_CONFIG.quagga_subnet_name,
        TESTCASE_CONFIG.quagga_subnet_cidr,
        TESTCASE_CONFIG.quagga_router_name)

    ubuntu_image_id = os_utils.create_glance_image(
        glance_client,
        COMMON_CONFIG.ubuntu_image_name,
        COMMON_CONFIG.ubuntu_image_path,
        disk="qcow2",
        container="bare",
        public="public")

    # NOTE(rski) The order of this seems a bit weird but
    # there is a reason for this, namely
    # https://jira.opnfv.org/projects/SDNVPN/issues/SDNVPN-99
    # so we create the quagga instance using cloud-init
    # and immediately give it a floating IP.
    # The cloud-init script should contain a small sleep for
    # this to work.
    # We also create the FIP first because it is used in the
    # cloud-init script.
    fip = os_utils.create_floating_ip(neutron_client)

    quagga_bootstrap_script = quagga.gen_quagga_setup_script(
        controllers[0].ip, fip['fip_addr'])
    quagga_vm = test_utils.create_instance(
        nova_client,
        TESTCASE_CONFIG.quagga_instance_name,
        ubuntu_image_id,
        quagga_net_id,
        sg_id,
        fixed_ip=TESTCASE_CONFIG.quagga_instance_ip,
        flavor=TESTCASE_CONFIG.quagga_instance_flavor,
        userdata=quagga_bootstrap_script)
    fip_added = os_utils.add_floating_ip(nova_client,
                                         quagga_vm.id,
                                         fip['fip_addr'])

    msg = "Assign a Floating IP to %s " % TESTCASE_CONFIG.quagga_instance_name
    if fip_added:
        results.add_success(msg)
    else:
        results.add_failure(msg)

    testcase = "Bootstrap quagga inside an OpenStack instance"
    success = False
    if success:
        results.add_success(testcase)
    else:
        results.add_failure(testcase)
    results.add_to_summary(0, "=")

    results.add_to_summary(0, '-')
    results.add_to_summary(1, "Peer Quagga with OpenDaylight")
    results.add_to_summary(0, '-')

    neighbor = quagga.odl_add_neighbor(fip['fip_addr'], controller)
    peer = quagga.check_for_peering(controller)

    image_id = os_utils.create_glance_image(glance_client,
                                            TESTCASE_CONFIG.image_name,
                                            COMMON_CONFIG.image_path,
                                            disk=COMMON_CONFIG.image_format,
                                            container="bare",
                                            public=True)

    instance = test_utils.create_instance(
        nova_client,
        TESTCASE_CONFIG.instance_1_name,
        image_id,
        net_id,
        sg_id,
        fixed_ip=TESTCASE_CONFIG.instance_1_ip,
        secgroup_name=TESTCASE_CONFIG.secgroup_name)

    kwargs = {"import_targets": TESTCASE_CONFIG.import_targets,
              "export_targets": TESTCASE_CONFIG.export_targets,
              "route_targets": TESTCASE_CONFIG.export_targets,
              "name": "bgpvpn-3-1"}

    bgpvpn = os_utils.create_bgpvpn(neutron_client, **kwargs)
    bgpvpn_id = bgpvpn['bgpvpn']['id']
    os_utils.create_network_association(
        neutron_client, bgpvpn_id, net_id)

    test_utils.wait_for_instance(instance)

    exchange = quagga.check_for_route_exchange(fip['fip_addr'])
    if neighbor and peer and exchange:
        results.add_success("Peering with quagga")
    else:
        results.add_failure("Peering with quagga")

    return results.compile_summary()


if __name__ == '__main__':
    main()