Lee Yarwood bbc562c572 compute: Validate a BDMs disk_bus when provided ... Previously disk_bus values were never validated and could easily end up being ignored by the underlying virt driver and hypervisor. For example, a common mistake made by users is to request a virtio-scsi disk_bus when using the libvirt virt driver. This however isn't a valid bus and is ignored, defaulting back to the virtio (virtio-blk) bus. This change adds a simple validation in the compute API using the potential disk_bus values provided by the DiskBus field class as used when validating the hw_*_bus image properties. Conflicts: nova/tests/unit/compute/test_compute_api.py NOTE(lyarwood): Conflict as If9c459a9a0aa752c478949e4240286cbdb146494 is not present in stable/train. test_validate_bdm_disk_bus is also updated as Ib31ba2cbff0ebb22503172d8801b6e0c3d2aa68a is not present in stable/train. Closes-Bug: #1876301 Change-Id: I77b28b9cc8f99b159f628f4655d85ff305a71db8 (cherry picked from commit 5913bd889f) (cherry picked from commit fb31ae430a)		2020-09-03 15:24:37 +01:00
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source	compute: Validate a BDMs disk_bus when provided	2020-09-03 15:24:37 +01:00