ok, I agree with you, the 'get_routers' is a call() method!
** Changed in: neutron
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1401823
Title:
if L3 agent is down, it should not schedule router on it
Status in OpenStack Neutron (virtual network service):
Invalid
Bug description:
when neutron server schedule routers, if l3 agent is down, it should not
schedule router on it,
def auto_schedule_routers(self, plugin, context, host, router_ids):
l3_agent = plugin.get_enabled_agent_on_host(
context, constants.AGENT_TYPE_L3, host)
if not l3_agent:
return False
if l3 agent is down, the 'plugin.get_enabled_agent_on_host' should be
None,
def get_enabled_agent_on_host(self, context, agent_type, host):
"""Return agent of agent_type for the specified host."""
query = context.session.query(Agent)
query = query.filter(Agent.agent_type == agent_type,
Agent.host == host,
Agent.admin_state_up == sql.true())
try:
agent = query.one()
except exc.NoResultFound:
LOG.debug('No enabled %(agent_type)s agent on host '
'%(host)s' % {'agent_type': agent_type, 'host': host})
return
if self.is_agent_down(agent.heartbeat_timestamp):
LOG.warn(_LW('%(agent_type)s agent %(agent_id)s is not active'),
{'agent_type': agent_type, 'agent_id': agent.id})
return agent
so, ' if self.is_agent_down', it should return None
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