Merge "Add integration scenario test for Neutron LBaaS"
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@ -103,6 +103,10 @@ IntegrationTestGroup = [
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cfg.BoolOpt('skip_stack_abandon_tests',
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default=False,
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help="Skip Stack Abandon Integration tests"),
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cfg.IntOpt('connectivity_timeout',
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default=120,
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help="Timeout in seconds to wait for connectivity to "
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"server."),
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]
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@ -15,6 +15,7 @@ import random
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import re
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import subprocess
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import time
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import urllib
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import fixtures
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from heatclient import exc as heat_exceptions
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@ -107,6 +108,22 @@ class HeatIntegrationTest(testscenarios.WithScenarios,
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return linux_client
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def check_connectivity(self, check_ip):
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def try_connect(ip):
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try:
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urllib.urlopen('http://%s/' % ip)
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return True
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except IOError:
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return False
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timeout = self.conf.connectivity_timeout
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elapsed_time = 0
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while not try_connect(check_ip):
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time.sleep(10)
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elapsed_time += 10
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if elapsed_time > timeout:
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raise exceptions.TimeoutException()
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def _log_console_output(self, servers=None):
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if not servers:
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servers = self.compute_client.servers.list()
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@ -78,3 +78,6 @@
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# Skip Stack Abandon Integration tests (boolean value)
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#skip_stack_abandon_tests = false
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# Timeout in seconds to wait for connectivity to server
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#connectivity_timeout = 120
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@ -0,0 +1,108 @@
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heat_template_version: 2014-10-16
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description: |
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Template which tests neutron load balancing resources
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parameters:
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key_name:
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type: string
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flavor:
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type: string
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image:
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type: string
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private_subnet_id:
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type: string
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external_network_id:
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type: string
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port:
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type: string
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default: '80'
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resources:
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sec_group:
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type: OS::Neutron::SecurityGroup
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properties:
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description: Add security group rules for servers
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name: security-group
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rules:
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- remote_ip_prefix: 0.0.0.0/0
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protocol: tcp
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port_range_min: { get_param: port }
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port_range_max: { get_param: port }
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- remote_ip_prefix: 0.0.0.0/0
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protocol: icmp
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server1 :
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type: OS::Nova::Server
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properties:
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name: Server1
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image: { get_param: image }
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flavor: { get_param: flavor }
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key_name: { get_param: key_name }
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security_groups: [{ get_resource: sec_group }]
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user_data:
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list_join:
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- ''
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- - '#!/bin/bash -v
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'
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- 'echo $(hostname) > index.html
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'
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- 'python -m SimpleHTTPServer '
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- { get_param: port }
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server2 :
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type: OS::Nova::Server
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properties:
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name: Server2
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image: { get_param: image }
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flavor: { get_param: flavor }
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key_name: { get_param: key_name }
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security_groups: [{ get_resource: sec_group }]
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user_data:
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list_join:
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- ''
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- - '#!/bin/bash -v
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'
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- 'echo $(hostname) > index.html
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'
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- 'python -m SimpleHTTPServer '
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- { get_param: port }
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health_monitor:
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type: OS::Neutron::HealthMonitor
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properties:
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delay: 3
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type: HTTP
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timeout: 3
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max_retries: 3
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test_pool:
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type: OS::Neutron::Pool
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properties:
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lb_method: ROUND_ROBIN
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protocol: HTTP
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subnet: { get_param: private_subnet_id }
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monitors:
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- { get_resource: health_monitor }
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vip:
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protocol_port: { get_param: port }
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floating_ip:
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type: OS::Neutron::FloatingIP
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properties:
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floating_network: { get_param: external_network_id }
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port_id:
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{ get_attr: [test_pool, vip, 'port_id'] }
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LBaaS:
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type: OS::Neutron::LoadBalancer
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properties:
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pool_id: { get_resource: test_pool }
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protocol_port: { get_param: port }
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members:
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- { get_resource: server1 }
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118
heat_integrationtests/scenario/test_neutron_loadbalancer.py
Normal file
118
heat_integrationtests/scenario/test_neutron_loadbalancer.py
Normal file
@ -0,0 +1,118 @@
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import time
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import urllib
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from heat_integrationtests.scenario import scenario_base
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class NeutronLoadBalancerTest(scenario_base.ScenarioTestsBase):
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"""
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The class is responsible for testing of neutron resources balancer.
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"""
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def setUp(self):
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super(NeutronLoadBalancerTest, self).setUp()
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self.public_net = self._get_network('public')
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self.template_name = 'test_neutron_loadbalancer.yaml'
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def collect_responses(self, ip, expected_resp):
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resp = set()
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for count in range(10):
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time.sleep(1)
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resp.add(urllib.urlopen('http://%s/' % ip).read())
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self.assertEqual(expected_resp, resp)
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def test_neutron_loadbalancer(self):
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"""
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Check work of Neutron LBaaS resource in Heat.
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The alternative scenario is the following:
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1. Launch a stack with a load balancer, two servers,
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but use only one as a LB member.
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2. Check connection to the servers and LB.
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3. Collect info about responces, which were received by LB from
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its members (responces have to be received only from 'server1').
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4. Update stack definition: include 'server2' into LBaaS.
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5. Check that number of members in LB was increased and
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responces were received from 'server1' and 'server2'.
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"""
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parameters = {
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'key_name': self.keypair_name,
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'flavor': self.conf.instance_type,
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'image': self.conf.image_ref,
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'private_subnet_id': self.net['subnets'][0],
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'external_network_id': self.public_net['id']
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}
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# Launch stack
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sid = self.launch_stack(
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template_name=self.template_name,
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parameters=parameters
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)
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server1_id = self.client.resources.get(
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sid, 'server1').physical_resource_id
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server2_id = self.client.resources.get(
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sid, 'server2').physical_resource_id
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floating_ip_id = self.client.resources.get(
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sid, 'floating_ip').physical_resource_id
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floating_ip = self.network_client.show_floatingip(
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floating_ip_id)['floatingip']['floating_ip_address']
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pool_id = self.client.resources.get(
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sid, 'test_pool').physical_resource_id
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vip_id = self.network_client.show_pool(pool_id)['pool']['vip_id']
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vip = self.network_client.show_vip(vip_id)['vip']['address']
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server1_ip = self.compute_client.servers.get(
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server1_id).networks['private'][0]
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server2_ip = self.compute_client.servers.get(
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server2_id).networks['private'][0]
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# Check connection and info about received responces
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self.check_connectivity(server1_ip)
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self.collect_responses(server1_ip, {'server1\n'})
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self.check_connectivity(server2_ip)
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self.collect_responses(server2_ip, {'server2\n'})
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self.check_connectivity(vip)
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self.collect_responses(vip, {'server1\n'})
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self.check_connectivity(floating_ip)
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self.collect_responses(floating_ip, {'server1\n'})
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# Include 'server2' to LB and update the stack
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template = self._load_template(
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__file__, self.template_name, self.sub_dir
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)
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template = template.replace(
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'- { get_resource: server1 }',
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'- { get_resource: server1 }\n - { get_resource: server2 }\n'
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)
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self.update_stack(
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sid,
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template=template,
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parameters=parameters
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)
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self.check_connectivity(vip)
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self.collect_responses(vip, {'server1\n', 'server2\n'})
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self.check_connectivity(floating_ip)
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self.collect_responses(floating_ip, {'server1\n', 'server2\n'})
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