sdnvpn/test/functest/testcase_11.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
  11 import logging
  12 import sys
  13
  14 from sdnvpn.lib import config as sdnvpn_config
  15 from sdnvpn.lib import openstack_utils as os_utils
  16 from sdnvpn.lib import utils as test_utils
  17 from sdnvpn.lib.results import Results
  18
  19 logger = logging.getLogger(__name__)
  20
  21 COMMON_CONFIG = sdnvpn_config.CommonConfig()
  22 TESTCASE_CONFIG = sdnvpn_config.TestcaseConfig(
  23     'sdnvpn.test.functest.testcase_11')
  24
  25
  26 def main():
  27     conn = os_utils.get_os_connection()
  28     results = Results(COMMON_CONFIG.line_length, conn)
  29
  30     results.add_to_summary(0, "=")
  31     results.add_to_summary(2, "STATUS", "SUBTEST")
  32     results.add_to_summary(0, "=")
  33
  34     neutron_client = os_utils.get_neutron_client()
  35     conn = os_utils.get_os_connection()
  36     openstack_nodes = test_utils.get_nodes()
  37
  38     (floatingip_ids, instance_ids, router_ids, network_ids, image_ids,
  39      subnet_ids, interfaces, bgpvpn_ids) = ([] for i in range(8))
  40
  41     try:
  42         image_id = os_utils.create_glance_image(
  43             conn, TESTCASE_CONFIG.image_name,
  44             COMMON_CONFIG.image_path, disk=COMMON_CONFIG.image_format,
  45             container="bare", public='public')
  46         image_ids.append(image_id)
  47
  48         network_1_id = test_utils.create_net(neutron_client,
  49                                              TESTCASE_CONFIG.net_1_name)
  50         subnet_1_id = test_utils.create_subnet(neutron_client,
  51                                                TESTCASE_CONFIG.subnet_1_name,
  52                                                TESTCASE_CONFIG.subnet_1_cidr,
  53                                                network_1_id)
  54
  55         network_ids.append(network_1_id)
  56         subnet_ids.append(subnet_1_id)
  57
  58         sg_id = os_utils.create_security_group_full(
  59             neutron_client, TESTCASE_CONFIG.secgroup_name,
  60             TESTCASE_CONFIG.secgroup_descr)
  61
  62         # Check required number of compute nodes
  63         compute_hostname = conn.compute.hypervisors().next().name
  64         compute_nodes = [node for node in openstack_nodes
  65                          if node.is_compute()]
  66
  67         av_zone_1 = "nova:" + compute_hostname
  68         # List of OVS bridges to get groups
  69         ovs_br = "br-int"
  70         # Get a list of groups, before start topology
  71         initial_ovs_groups = test_utils.get_ovs_groups(compute_nodes,
  72                                                        [ovs_br])
  73
  74         # boot INSTANCES
  75         vm_2 = test_utils.create_instance(
  76             conn,
  77             TESTCASE_CONFIG.instance_2_name,
  78             image_id,
  79             network_1_id,
  80             sg_id,
  81             secgroup_name=TESTCASE_CONFIG.secgroup_name,
  82             compute_node=av_zone_1)
  83
  84         vm_1 = test_utils.create_instance(
  85             conn,
  86             TESTCASE_CONFIG.instance_1_name,
  87             image_id,
  88             network_1_id,
  89             sg_id,
  90             secgroup_name=TESTCASE_CONFIG.secgroup_name,
  91             compute_node=av_zone_1)
  92         instance_ids.extend([vm_1.id, vm_2.id])
  93
  94         # Wait for VMs to get ips.
  95         instances_up = test_utils.wait_for_instances_up(vm_1, vm_2)
  96
  97         if not instances_up:
  98             logger.error("One or more instances is down")
  99             # TODO: Handle this appropriately
 100
 101         logger.info("Wait before subtest")
 102         test_utils.wait_before_subtest()
 103         # Get added OVS groups
 104         added_ovs_groups = (len(initial_ovs_groups) -
 105                             len(test_utils.get_ovs_groups(
 106                                 compute_nodes, [ovs_br])))
 107         # Check if group added successfully
 108         results.record_action("Check if a new group was added to OVS")
 109         msg = "New OVS group added"
 110         results.add_to_summary(0, "-")
 111         if added_ovs_groups != 0:
 112             results.add_success(msg)
 113         else:
 114             results.add_failure(msg)
 115         results.add_to_summary(0, "=")
 116         # Backup OVS controller connection info.
 117         # To support HA changes should be made here.
 118         get_ext_ip_cmd = "sudo ovs-vsctl get-controller {}".format(ovs_br)
 119         ovs_controller_conn = (compute_nodes[0].run_cmd(get_ext_ip_cmd).
 120                                strip().split('\n')[0])
 121         # Disconnect OVS from controller
 122         for compute_node in compute_nodes:
 123             compute_node.run_cmd("sudo ovs-vsctl del-controller {}".
 124                                  format(ovs_br))
 125     except Exception as e:
 126         logger.error("exception occurred while executing testcase_1: %s", e)
 127         raise
 128     finally:
 129         # Cleanup topology
 130         test_utils.cleanup_nova(conn, instance_ids)
 131         test_utils.cleanup_glance(conn, image_ids)
 132         test_utils.cleanup_neutron(neutron_client, floatingip_ids, bgpvpn_ids,
 133                                    interfaces, subnet_ids, router_ids,
 134                                    network_ids)
 135     # Connect again OVS to Controller
 136     for compute_node in compute_nodes:
 137         compute_node.run_cmd("sudo ovs-vsctl set-controller {} {}".
 138                              format(ovs_br, ovs_controller_conn))
 139     logger.info("Wait before subtest")
 140     test_utils.wait_before_subtest()
 141     # Get OVS groups added after the reconnection
 142     added_ovs_groups = (len(initial_ovs_groups) -
 143                         len(test_utils.get_ovs_groups(
 144                             compute_nodes, [ovs_br])))
 145
 146     # Check if group removed successfully
 147     results.record_action("Check if group was removed from OVS "
 148                           "after deleting the topology.")
 149     msg = ""
 150     # After removing the topology, groups must be equal to the initial
 151     if added_ovs_groups != 0:
 152         msg += " Additional group was not deleted from OVS"
 153     results.add_to_summary(0, "-")
 154     if len(msg) == 0:
 155         msg = "Group was deleted from ovs"
 156         results.add_success(msg)
 157     else:
 158         results.add_failure(msg)
 159
 160     return results.compile_summary()
 161
 162
 163 if __name__ == '__main__':
 164     sys.exit(main())