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[Trevor McCasland <TM2086@xxxxxxx>]

Versioned github link from bug description:
https://github.com/openstack/neutron/blob/7bd521e7ce1c4ffe5b65aad12f3a1c1394c55473/neutron/db/l3_hamode_db.py#L578

Adding a case for the scenario described in the bug description will fix
the issue but is it HA if you only have one node? "an HA cluster is a
two-node cluster, since that is the minimum required to provide
redundancy" https://en.wikipedia.org/wiki/High-availability_cluster

I think the bug can be reworded to exit HA mode if only one network node
is detected, unless you have a use case for this?

** Changed in: neutron
       Status: New => Opinion

** Tags added: l3-ha

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https://bugs.launchpad.net/bugs/1682145

Title:
  neutron router shows active on a dead agent

Status in neutron:
  Opinion

Bug description:
  When a router is active on only one network node and if the network
  node goes down by any reason, router still shows active status in
  controller

  
  neutron l3-agent-list-hosting-router e5bae5bd-40ae-45b2-837d-9d00a74a1e1b
  neutron CLI is deprecated and will be removed in the future. Use openstack CLI instead.
  +--------------------------------------+--------------+----------------+-------+----------+
  | id                                   | host         | admin_state_up | alive | ha_state |
  +--------------------------------------+--------------+----------------+-------+----------+ |
  | db94053c-f7a7-4bf8-a7ed-aa01f7c8ef34 | netowkr-node1| True           | xxx   | active   |
  +--------------------------------------+--------------+----------------+-------+----------+

  Logic at
  https://github.com/openstack/neutron/blob/master/neutron/db/l3_hamode_db.py#L578,
  checks to update status based on dead agents, needs to executed in
  this scenario too.

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