** Changed in: nova
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1384386
Title:
Image block device mappings for snapshots of instances specify
delete_on_termination=null
Status in OpenStack Compute (nova):
Fix Released
Bug description:
Nova Juno
Scenario:
1. Boot an instance from a volume.
2. Nova snapshot the instance. This produces a Glance image with a block
device mapping property like this:
[{"guest_format": null, "boot_index": 0, "no_device": null, "snapshot_id":
"1a642ca8-210f-4790-ab93-00b6a4b86a14", "delete_on_termination": null,
"disk_bus": null, "image_id": null, "source_type": "snapshot", "device_type":
"disk", "volume_id": null, "destination_type": "volume", "volume_size": null}]
3. Create an instance from the Glance image. Nova creates a new Cinder
volume from the image's Cinder snapshot and attaches it to the instance.
4. Delete the instance.
Problem: The Cinder volume created at step 3 remains.
The block device mappings for Cinder snapshots created during VM
snapshot and placed into the Glance image should specify
"delete_on_termination": True so that the Cinder volumes created for
VMs booted from the image will be cleaned up on VM deletion.
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