def test_ban_l3_dhcp_agents(self):
"""[Neutron VLAN and VXLAN] Check that no errors would be found
in neutron log after ban two dhcp and two l3 agents.
Steps:
1. Update quotas for creation a lot of networks:
neutron quota-update --network 1000 --subnet 1000
--router 1000 --port 1000:
2. Create 50 networks, subnets, launch and terminate instance
3. Look on what DHCP-agents chosen network is:
``neutron dhcp-agent-list-hosting-net <network_name>``
4. Ban DHCP-agents on what chosen network is:
from primary controller:
``pcs resource ban neutron-dhcp-agent node-3``
5. Ban l3-agent on what router1 is:
``pcs resource ban neutron-l3-agent router01``
6. Check that no ERROR messages are appeared in log.
"""
controllers = self.env.get_nodes_by_role('controller')
logs_path, logs_start_marker = func.mark_neutron_logs(controllers)
# Create 50 networks, launch and terminate instances
# According to the test requirements 50 networks should be created
# However during implementation found that only about 34 nets
# can be created for one tenant. Need to clarify that situation.
router = self.os_conn.neutron.list_routers(
name='router01')['routers'][0]
network_ids_list = []
self.create_delete_number_of_instances(9, router, network_ids_list,
self.instance_keypair,
self.security_group)
net_id = network_ids_list[8]
# Get dhcp agents
agents = self.os_conn.get_node_with_dhcp_for_network(
net_id=net_id)
# determine primary controller
leader_node_ip = self.env.leader_controller.data['ip']
for i in range(2):
logger.info('Ban iteration #{}'.format(i + 1))
# ban agent on current network
func.ban_dhcp_agent(self.os_conn, self.env, node_to_ban=agents[i],
host=leader_node_ip, wait_for_die=True,
wait_for_rescheduling=False)
devops_node = self.get_node_with_dhcp(net_id)
ip = devops_node.data['ip']
# ban l3 agents
for _ in range(1):
self.ban_l3_agent(router_name="router01", _ip=ip,
wait_for_migrate=False)
err_trace = "ERROR"
func.check_neutron_logs(controllers, logs_path, logs_start_marker,
err_trace)
def test_ban_l3_dhcp_agents(self):
"""[Neutron VLAN and VXLAN] Check that no errors would be found
in neutron log after ban two dhcp and two l3 agents.
Steps:
1. Update quotas for creation a lot of networks:
neutron quota-update --network 50 --subnet 50
--router 50 --port 250:
2. Create max count of networks, subnets, launch and terminate
instance on each
3. Look on what DHCP-agents chosen network is:
``neutron dhcp-agent-list-hosting-net <network_name>``
4. Ban DHCP-agents on what chosen network is:
from primary controller:
``pcs resource ban neutron-dhcp-agent node-3``
5. Ban l3-agent on what router1 is:
``pcs resource ban neutron-l3-agent router01``
6. Check that no ERROR messages are appeared in log.
[Bug] - https://bugs.launchpad.net/mos/+bug/1493754
"""
controllers = self.env.get_nodes_by_role('controller')
logs_path, logs_start_marker = func.mark_neutron_logs(controllers)
router = self.os_conn.neutron.list_routers(
name='router01')['routers'][0]
self.set_neutron_quota(network=50, router=50, subnet=50, port=250)
network_ids_list = self.create_max_networks_with_instances(router)
net_id = network_ids_list[-1]
# Get dhcp agents
dhcp_agent_nodes = self.os_conn.get_node_with_dhcp_for_network(
net_id=net_id)
# determine primary controller
leader_node_ip = self.env.leader_controller.data['ip']
for node in dhcp_agent_nodes:
logger.info('Ban DHCP agent on {}'.format(node))
# ban agent on current network
func.ban_dhcp_agent(self.os_conn, self.env, node_to_ban=node,
host=leader_node_ip, wait_for_die=True,
wait_for_rescheduling=False)
ip = controllers[0].data['ip']
# ban l3 agents
self.ban_l3_agent(router_name="router01", _ip=ip,
wait_for_migrate=False)
err_trace = "ERROR neutron.db.l3_agentschedulers_db"
func.check_neutron_logs(controllers, logs_path, logs_start_marker,
err_trace)