Instance reached to shutdown state and not able to re-spawn by tacker [In policy it’s defined to respawn in case of no accessibility]

[Manik Bindlish]

Release: Stable Newton
Ubuntu 16.04
Environment for NFV

Instance reached to permanent shutdown state and not able to re-spawn by tacker [In policy it’s defined to respawn in case of no accessibility]

1.) VNF created from tacker.

Below instance is created under tacker's VNF.

dharmendra@controller:~/toscatmplts$ nova list --all
+--------------------------------------+-------------------------------------------------------+----------------------------------+--------+------------+-------------+---------------------+
| ID | Name | Tenant ID | Status | Task State | Power State | Networks |
+--------------------------------------+-------------------------------------------------------+----------------------------------+--------+------------+-------------+---------------------+
| 9fc24e9a-5a14-48d6-8dd6-5868f85aa5ed | ta-4034-9a0d-d35d24244dbe-RESPAWN-2-VDU1-updnuz4i3ncx | 3f63cd58b8394fe5a08b4d2bd2e97a71 | ACTIVE | - | Running | mgmt=192.168.104.21 |
+--------------------------------------+-------------------------------------------------------+----------------------------------+--------+------------+-------------+---------------------+

2.) Tried to migrate and stop nova instance at same time by keeping nova migration in background and nova stop command in foreground

dharmendra@controller:~/toscatmplts$ nova migrate 9fc24e9a-5a14-48d6-8dd6-5868f85aa5ed & nova stop 9fc24e9a-5a14-48d6-8dd6-5868f85aa5ed
[1] 23860

Request to stop server 9fc24e9a-5a14-48d6-8dd6-5868f85aa5ed has been accepted.
ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<class 'nova.exception.UnexpectedTaskStateError'> (HTTP 500) (Request-ID: req-de9fd9aa-33f1-488e-9b90-f6d0bdace088)
dharmendra@controller:~/toscatmplts$
dharmendra@controller:~/toscatmplts$ nova list --all
+--------------------------------------+-------------------------------------------------------+----------------------------------+---------+------------+-------------+---------------------+
| ID | Name | Tenant ID | Status | Task State | Power State | Networks |
+--------------------------------------+-------------------------------------------------------+----------------------------------+---------+------------+-------------+---------------------+
| 9fc24e9a-5a14-48d6-8dd6-5868f85aa5ed | ta-4034-9a0d-d35d24244dbe-RESPAWN-2-VDU1-updnuz4i3ncx | 3f63cd58b8394fe5a08b4d2bd2e97a71 | SHUTOFF | - | Shutdown | mgmt=192.168.104.21 |
+--------------------------------------+-------------------------------------------------------+----------------------------------+---------+------------+-------------+---------------------+
[1]+ Exit 1 nova migrate 9fc24e9a-5a14-48d6-8dd6-5868f85aa5ed

*Problem: Instance is reached permanent shutdown state and not able to respawn by tacker, whenever respawn policy was defined*

[yong sheng gong (gongysh)]

you need to look at if ping is still working

[Manik Bindlish (manikbindlish19)]

Ping was not working, status of instance was shutoff.