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Message #90307
[Bug 1833581] Fix included in openstack/nova queens-eol
This issue was fixed in the openstack/nova queens-eol release.
** Changed in: nova/queens
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1833581
Title:
instance stuck in BUILD state if nova-compute is restarted
Status in OpenStack Compute (nova):
Fix Released
Status in OpenStack Compute (nova) pike series:
Fix Released
Status in OpenStack Compute (nova) queens series:
Fix Released
Status in OpenStack Compute (nova) rocky series:
Fix Committed
Status in OpenStack Compute (nova) stein series:
Fix Committed
Status in OpenStack Compute (nova) train series:
Fix Committed
Bug description:
Description
===========
Instance stuck in BUILD state indefinitely if nova-compute service restarted in the mean time. Even after the instance_build_timeout the instance is not put into ERROR state.
Steps to reproduce
==================
1) Start 10 VMs in parallel to increase the chance of hitting the bug
$ for NUM in `seq 1 1 10`; do openstack server create --flavor c1
--image cirros-0.4.0-x86_64-disk --availability-zone nova:ubuntu
vm$NUM & done
2) when the first instance reach the BUILD state restart the nova-compute service
$ sudo systemctl restart devstack@n-cpu.service
3) Observer that instance states after the compute is up again.
Expected result
===============
Instances either in ACTIVE or in ERROR state.
Actual result
=============
Some instance stuck in BUILD state.
Environment
===========
all in one devstack build from recent nova master
61558f274842b149044a14bbe7537b9f278035fd
Logs & Configs
==============
stack@ubuntu:~$ openstack server list
+--------------------------------------+------+--------+------------------------------------+--------------------------+-----------+
| ID | Name | Status | Networks | Image | Flavor |
+--------------------------------------+------+--------+------------------------------------+--------------------------+-----------+
| 9ee76601-4a61-4682-86f1-743dac2b05e6 | vm3 | BUILD | | cirros-0.4.0-x86_64-disk | cirros256 |
| e459beae-ccb5-4781-b938-2dff68e33bf7 | vm9 | ACTIVE | public=2001:db8::181, 172.24.4.44 | cirros-0.4.0-x86_64-disk | cirros256 |
| 562f44db-cd51-4516-bce9-598bd29c6310 | vm10 | ERROR | public=2001:db8::3a1, 172.24.4.196 | cirros-0.4.0-x86_64-disk | cirros256 |
| 73f1e2c6-78a1-44c5-b178-7adcf9bf58a0 | vm5 | ERROR | public=2001:db8::21, 172.24.4.177 | cirros-0.4.0-x86_64-disk | cirros256 |
| 1b01acfc-b798-48f9-b808-6cfd0d5cd3fb | vm6 | ERROR | public=2001:db8::3e1, 172.24.4.20 | cirros-0.4.0-x86_64-disk | cirros256 |
| c709e3bf-9c71-4f64-bad3-e9e07e911f62 | vm7 | ERROR | public=2001:db8::231, 172.24.4.46 | cirros-0.4.0-x86_64-disk | cirros256 |
| 538d2534-98f1-4e11-9bbb-b4e74bab8c65 | vm4 | ERROR | public=2001:db8::3e9, 172.24.4.157 | cirros-0.4.0-x86_64-disk | cirros256 |
| ed74eb32-00fe-4f24-9379-c57c04ce9af1 | vm2 | ERROR | public=2001:db8::f5, 172.24.4.53 | cirros-0.4.0-x86_64-disk | cirros256 |
| 582b5356-4f3d-42ed-937e-966580303af0 | vm8 | ERROR | public=2001:db8::92, 172.24.4.16 | cirros-0.4.0-x86_64-disk | cirros256 |
| ae36ffca-e4d6-4353-8e7e-41db500a5e0d | vm1 | ERROR | public=2001:db8::1cf, 172.24.4.203 | cirros-0.4.0-x86_64-disk | cirros256 |
+--------------------------------------+------+--------+------------------------------------+--------------------------+-----------+
stack@ubuntu:~$ openstack server show 9ee76601-4a61-4682-86f1-743dac2b05e6
+-------------------------------------+-----------------------------------------------------------------+
| Field | Value |
+-------------------------------------+-----------------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL |
| OS-EXT-AZ:availability_zone | nova |
| OS-EXT-SRV-ATTR:host | None |
| OS-EXT-SRV-ATTR:hypervisor_hostname | None |
| OS-EXT-SRV-ATTR:instance_name | instance-0000004c |
| OS-EXT-STS:power_state | NOSTATE |
| OS-EXT-STS:task_state | None |
| OS-EXT-STS:vm_state | building |
| OS-SRV-USG:launched_at | None |
| OS-SRV-USG:terminated_at | None |
| accessIPv4 | |
| accessIPv6 | |
| addresses | |
| config_drive | |
| created | 2019-06-19T02:30:16Z |
| flavor | cirros256 (c1) |
| hostId | |
| id | 9ee76601-4a61-4682-86f1-743dac2b05e6 |
| image | cirros-0.4.0-x86_64-disk (8b88f518-ab48-4859-8e8c-6988911ce9bd) |
| key_name | None |
| name | vm3 |
| progress | 0 |
| project_id | 2fc0b14ea1e041998f420ec85a89314d |
| properties | |
| status | BUILD |
| updated | 2019-06-19T02:30:18Z |
| user_id | 262d29f5f0c3445abbde89723b5f01ee |
| volumes_attached | |
+-------------------------------------+-----------------------------------------------------------------+
stack@ubuntu:~$
mysql> select uuid, host from instances where instances.uuid='9ee76601-4a61-4682-86f1-743dac2b05e6';
+--------------------------------------+------+
| uuid | host |
+--------------------------------------+------+
| 9ee76601-4a61-4682-86f1-743dac2b05e6 | NULL |
+--------------------------------------+------+
1 row in set (0.00 sec)
Logs for 9ee76601-4a61-4682-86f1-743dac2b05e6:
http://paste.openstack.org/show/753228/
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References
