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| LarsErikP | Hi.. I'm experienceing the exact same scenario as this post from 2019, running Caracal: https://lists.openstack.org/archives/list/openstack-discuss@lists.openstack.org/message/5QSBZDKQLA7HJF3IYMLYOF7PACWX5QQE/ am I doing something wrong here? | 11:13 |
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| LarsErikP | volume-backed instance - create snapshot (either in horizon or with openstack server image create) - volume snapshots are created, but the image in glance is created with disk_format=qcow2 even though everything along the way here is in raw | 11:14 |
| LarsErikP | I've tried to set snapshot_image_format=raw both on compute nodes and nova-api servers, but it does not make a difference | 11:14 |
| LarsErikP | and I understand from the api-ref for this, that this scenario should indeed both create the volume snap, and an "empty" glance image with bdm properties pointing to the volume snap. But this fails with a http 415 and "Image disk_format qcow2 does not match stream data raw" | 11:16 |
| *** jonnyb06 is now known as jonnyb0 | 11:27 | |
| LarsErikP | got rid of the http 415 when setting image_format/require_image_format_match to false in glance! | 11:34 |
| opendevreview | Lajos Katona proposed openstack/nova master: Use SDK for Neutron extensions https://review.opendev.org/c/openstack/nova/+/962270 | 11:55 |
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| opendevreview | Lajos Katona proposed openstack/nova master: Use SDK for Neutron subnets https://review.opendev.org/c/openstack/nova/+/962190 | 13:51 |
| opendevreview | Lajos Katona proposed openstack/nova master: Use SDK for Neutron extensions https://review.opendev.org/c/openstack/nova/+/962270 | 13:51 |
| *** jonnyb00 is now known as jonnyb0 | 14:01 | |
| opendevreview | Lajos Katona proposed openstack/nova master: Use SDK for Neutron extensions https://review.opendev.org/c/openstack/nova/+/962270 | 16:26 |
| opendevreview | melanie witt proposed openstack/nova master: DNM vtpm tempest https://review.opendev.org/c/openstack/nova/+/957477 | 19:39 |
| opendevreview | melanie witt proposed openstack/nova master: FUP for vTPM live migration https://review.opendev.org/c/openstack/nova/+/962309 | 19:39 |
| melwitt | LarsErikP: if I'm understanding you correctly, what you're seeing is the "empty" glance image that gets created when you snapshot a volume backed instance. nova calls cinder to snapshot the actual volume but will also call glance to create an empty/dummy image whose purpose is only to hold image metadata https://github.com/openstack/nova/blob/b99a882366251f88d145e27312b94692e0b2266f/nova/compute/api.py#L3459-L3466 | 20:02 |
| melwitt | bc this is not a "real" image the disk_format attribute is just thrown away and not provided to glance AFAICT. maybe glance defaults to qcow2, not sure | 20:03 |
| melwitt | oh but you're saying the glance image create fails due to the disk_format being wrong/not specified. this sounds like a bug that is now uncovered since glance began validating image disk formats | 20:05 |
| melwitt | I don't find an existing bug open about this so as far as I know this has not been reported yet | 20:08 |
| opendevreview | melanie witt proposed openstack/nova master: DNM vtpm tempest https://review.opendev.org/c/openstack/nova/+/957477 | 21:06 |
| opendevreview | melanie witt proposed openstack/nova master: DNM vtpm tempest https://review.opendev.org/c/openstack/nova/+/957477 | 21:09 |
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