def test_port_bind_retry(self):
agent = helpers.register_ovs_agent(host=helpers.HOST)
helpers.kill_agent(agent_id=agent.id)
with self.network() as network:
with self.subnet(network=network) as subnet:
with self.port(subnet=subnet,
device_owner=DEVICE_OWNER_COMPUTE,
arg_list=(
portbindings.HOST_ID,
'admin_state_up',
),
**self.host_args) as port:
# Since the agent is dead, expect binding to fail
self.assertEqual(port['port']['binding:vif_type'],
portbindings.VIF_TYPE_BINDING_FAILED)
helpers.revive_agent(agent.id)
# When an agent starts, The RPC call get_device_details()
# will invoke get_bound_port_context() which eventually use
# _bind_port_if_needed()
bound_context = self.plugin.get_bound_port_context(
self.admin_context, port['port']['id'], helpers.HOST)
# Since the agent is back online, expect binding to succeed
self.assertEqual(bound_context.vif_type,
portbindings.VIF_TYPE_OVS)
self.assertEqual(bound_context.current['binding:vif_type'],
portbindings.VIF_TYPE_OVS)
def register_bgp_dragent(host=helpers.HOST, admin_state_up=True, alive=True):
agent = helpers._register_agent(_get_bgp_dragent_dict(host))
if not admin_state_up:
helpers.set_agent_admin_state(agent['id'])
if not alive:
helpers.kill_agent(agent['id'])
return helpers.FakePlugin()._get_agent_by_type_and_host(
context.get_admin_context(), agent['agent_type'], agent['host'])
def register_bgp_dragent(host=helpers.HOST, admin_state_up=True,
alive=True):
agent = helpers._register_agent(
_get_bgp_dragent_dict(host))
if not admin_state_up:
helpers.set_agent_admin_state(agent['id'])
if not alive:
helpers.kill_agent(agent['id'])
return helpers.FakePlugin()._get_agent_by_type_and_host(
context.get_admin_context(), agent['agent_type'], agent['host'])
def test_loadbalancer_reschedule_from_dead_lbaas_agent(self):
self._register_agent_states(lbaas_agents=True)
with self.loadbalancer() as loadbalancer:
loadbalancer_data = loadbalancer['loadbalancer']
self.plugin.db.update_loadbalancer_provisioning_status(
self.adminContext, loadbalancer_data['id'])
original_agent = self._get_lbaas_agent_hosting_loadbalancer(
loadbalancer_data['id'])
self.assertIsNotNone(original_agent)
helpers.kill_agent(original_agent['agent']['id'])
self.load_balancer.reschedule_lbaas_from_down_agents()
rescheduled_agent = self._get_lbaas_agent_hosting_loadbalancer(
loadbalancer_data['id'])
self.assertNotEqual(original_agent, rescheduled_agent)
def test_port_bind_retry(self):
agent = helpers.register_ovs_agent(host=helpers.HOST)
helpers.kill_agent(agent_id=agent.id)
with self.network() as network:
with self.subnet(network=network) as subnet:
with self.port(
subnet=subnet, device_owner=DEVICE_OWNER_COMPUTE,
arg_list=(portbindings.HOST_ID, 'admin_state_up',),
**self.host_args) as port:
# Since the agent is dead, expect binding to fail
self.assertEqual(port['port']['binding:vif_type'],
portbindings.VIF_TYPE_BINDING_FAILED)
helpers.revive_agent(agent.id)
# When an agent starts, The RPC call get_device_details()
# will invoke get_bound_port_context() which eventually use
# _bind_port_if_needed()
bound_context = self.plugin.get_bound_port_context(
self.admin_context, port['port']['id'], helpers.HOST)
# Since the agent is back online, expect binding to succeed
self.assertEqual(bound_context.vif_type,
portbindings.VIF_TYPE_OVS)
self.assertEqual(bound_context.current['binding:vif_type'],
portbindings.VIF_TYPE_OVS)
def test_get_number_of_agents_for_scheduling_not_enough_agents(self):
cfg.CONF.set_override('min_l3_agents_per_router', 3)
helpers.kill_agent(helpers.register_l3_agent(host='l3host_3')['id'])
self.assertRaises(l3_ext_ha_mode.HANotEnoughAvailableAgents,
self.plugin.get_number_of_agents_for_scheduling,
self.admin_ctx)
def test_get_number_of_agents_for_scheduling_not_enough_agents(self):
cfg.CONF.set_override('min_l3_agents_per_router', 3)
helpers.kill_agent(helpers.register_l3_agent(host='l3host_3')['id'])
self.assertRaises(l3_ext_ha_mode.HANotEnoughAvailableAgents,
self.plugin.get_number_of_agents_for_scheduling,
self.admin_ctx)
