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[wujun <wujun@xxxxxxxxxxx>]

Public bug reported:

In an L3 HA Setup with multiple network nodes, we can query the agent
hosting the Master HA router via l3-agent-list-hosting-router.

root@node1:~# neutron l3-agent-list-hosting-router demo-router
+--------------------------------------+-------+----------------+-------+----------+
| id                                   | host  | admin_state_up | alive | ha_state |
+--------------------------------------+-------+----------------+-------+----------+
| 58fbfcf3-6403-4388-b713-523595411de6 | node1 | True           | :-)   | active   |
| a74be278-e428-41a4-a375-9888e9b99bcd | node2 | True           | :-)   | standby  |
+--------------------------------------+-------+----------------+-------+----------+

Now, On the node1, I stop the neutron-l3-agnet, and then check the
state.

root@node1:~# neutron l3-agent-list-hosting-router demo-router
+--------------------------------------+-------+----------------+-------+----------+
| id                                   | host  | admin_state_up | alive | ha_state |
+--------------------------------------+-------+----------------+-------+----------+
| 58fbfcf3-6403-4388-b713-523595411de6 | node1 | True           | xxx   | standby  |
| a74be278-e428-41a4-a375-9888e9b99bcd | node2 | True           | :-)   | standby  |
+--------------------------------------+-------+----------------+-------+----------+

You can see that there is no "active" router, but north-south traffic is
still though the node1 and the keepalived work normally. I think the
ha_state of node1 shoud be "active".

** Affects: neutron
     Importance: Undecided
     Assignee: wujun (wujun)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => wujun (wujun)

** Description changed:

- In an L3 HA Setup with multiple network nodes, we can query the agent hosting the Master HA router via 
- l3-agent-list-hosting-router.
+ In an L3 HA Setup with multiple network nodes, we can query the agent
+ hosting the Master HA router via l3-agent-list-hosting-router.
  
  root@node1:~# neutron l3-agent-list-hosting-router demo-router
  +--------------------------------------+-------+----------------+-------+----------+
  | id                                   | host  | admin_state_up | alive | ha_state |
  +--------------------------------------+-------+----------------+-------+----------+
  | 58fbfcf3-6403-4388-b713-523595411de6 | node1 | True           | :-)   | active   |
  | a74be278-e428-41a4-a375-9888e9b99bcd | node2 | True           | :-)   | standby  |
  +--------------------------------------+-------+----------------+-------+----------+
  
  Now, On the node1, I stop the neutron-l3-agnet, and then check the
  state.
  
  root@node1:~# neutron l3-agent-list-hosting-router demo-router
  +--------------------------------------+-------+----------------+-------+----------+
  | id                                   | host  | admin_state_up | alive | ha_state |
  +--------------------------------------+-------+----------------+-------+----------+
  | 58fbfcf3-6403-4388-b713-523595411de6 | node1 | True           | xxx   | standby  |
  | a74be278-e428-41a4-a375-9888e9b99bcd | node2 | True           | :-)   | standby  |
  +--------------------------------------+-------+----------------+-------+----------+
  
- You can see that there is no "active" router, but north-south traffic is still though the node1 and the 
- keepalived work normally. I think the ha_state of node1 shoud be "active".
+ You can see that there is no "active" router, but north-south traffic is
+ still though the node1 and the keepalived work normally. I think the
+ ha_state of node1 shoud be "active".

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https://bugs.launchpad.net/bugs/1641811

Title:
  Wrong ha_state, when l3-agent that host the master router is down

Status in neutron:
  New

Bug description:
  In an L3 HA Setup with multiple network nodes, we can query the agent
  hosting the Master HA router via l3-agent-list-hosting-router.

  root@node1:~# neutron l3-agent-list-hosting-router demo-router
  +--------------------------------------+-------+----------------+-------+----------+
  | id                                   | host  | admin_state_up | alive | ha_state |
  +--------------------------------------+-------+----------------+-------+----------+
  | 58fbfcf3-6403-4388-b713-523595411de6 | node1 | True           | :-)   | active   |
  | a74be278-e428-41a4-a375-9888e9b99bcd | node2 | True           | :-)   | standby  |
  +--------------------------------------+-------+----------------+-------+----------+

  Now, On the node1, I stop the neutron-l3-agnet, and then check the
  state.

  root@node1:~# neutron l3-agent-list-hosting-router demo-router
  +--------------------------------------+-------+----------------+-------+----------+
  | id                                   | host  | admin_state_up | alive | ha_state |
  +--------------------------------------+-------+----------------+-------+----------+
  | 58fbfcf3-6403-4388-b713-523595411de6 | node1 | True           | xxx   | standby  |
  | a74be278-e428-41a4-a375-9888e9b99bcd | node2 | True           | :-)   | standby  |
  +--------------------------------------+-------+----------------+-------+----------+

  You can see that there is no "active" router, but north-south traffic
  is still though the node1 and the keepalived work normally. I think
  the ha_state of node1 shoud be "active".

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