** Changed in: nova/ussuri
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1843708
Title:
Key-pair is not updated during the rebuild
Status in OpenStack Compute (nova):
Fix Released
Status in OpenStack Compute (nova) queens series:
Fix Committed
Status in OpenStack Compute (nova) rocky series:
Fix Committed
Status in OpenStack Compute (nova) stein series:
Fix Released
Status in OpenStack Compute (nova) train series:
Fix Released
Status in OpenStack Compute (nova) ussuri series:
Fix Released
Bug description:
Description
===========
When we want to rebuild an instance and change the keypair we can specified
it with :
openstack --os-compute-api-version 2.54 server rebuild --image "Debian 10"
--key-name key1 instance1
This comes from this implementation :
https://review.opendev.org/#/c/379128/
https://specs.openstack.org/openstack/nova-specs/specs/queens/implemented/rebuild-keypair-reset.html
But when rebuilding the instance, Cloud-Init will set the key in
authorized_keys from
http://169.254.169.254/openstack/latest/meta_data.json
And this meta_data.json uses the keys from instance_extra tables
But the keypair will be updated in the 'instances' table but not in the
'instance_extra' table.
So the keypair is not updated inside the VM
May be this is the function for saving the keypair, but the save() do nothing
:
https://opendev.org/openstack/nova/src/branch/master/nova/objects/instance.py#L714
Steps to reproduce
==================
- Deploy a DevStack
- Boot an instance with keypair key1
- Rebuild it with key2
- A nova show will show the key_name key2, keypairs object in table
instance_extra is not updated and you cannot connect with key2 to the instance
Expected result
===============
Connecte to the Vm with the new keypair added during the rebuild call
Actual result
=============
The keypair added during the rebuild call is not set in the VM
Environment
===========
I tested it on a Devstack from master and we have the behaviour.
NOVA : commit 5fa49cd0b8b6015aa61b4312b2ce1ae780c42c64
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