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Nikola Dipanov 4bd8a4bd8e Fix overloading of block device on boot by device name ... Currently it is not possible to override an existing image block device by supplying the device with the same name at boot (see also Ib1ba130042aabbbe7bb8d60fc212c66e446c1d73). Even though we want to discourage usage of device names as much as possible in the Nova API (as not all hypervisors can honour them), EC2 API requires that this is possible. While we want to make sure we document that supplying device names at boot is only really desirable if you want to override some of the ones contained in the image, introducing a different labeling system just so that we don't use the device names seems like an overkill for a feature that does not seem to be very used. This patch adds a method that will do this deterministically when compiling all the block device information for the request. It is also worth noting that The EC2 API allows only subset of block device attributes to be overridden in this way (see [1]). This limitation did not exist previously in Nova, and there seems to be no reason why we would need that complexity, so it would be up to the EC2 compatibility code to deal with this. [1] https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/block-device-mapping-concepts.html#Using_OverridingAMIBDM Doc-Impact Closes-bug: #1370250 Change-Id: I60ecdcae81ff5dec34f0fa0a39e0739759a6fa59		8 years ago
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monitors	Use stevedore for loading monitor extensions	8 years ago
resources	Use oslo.log	8 years ago
__init__.py	Switch to using oslo_* instead of oslo.*	8 years ago
api.py	Fix overloading of block device on boot by device name	8 years ago
arch.py	Add amd64 to arch.canonicalize()	9 years ago
build_results.py	Compute Add build_instance hook in compute manager	8 years ago
cells_api.py	Handle cells race condition deleting unscheduled instance	8 years ago
claims.py	Merge "Use flavor object in compute manager"	8 years ago
cpumodel.py	Add VirtCPUModel nova objects	8 years ago
flavors.py	Enable python34 tests for nova/tests/unit/objects/test*.py	8 years ago
hv_type.py	Remove hv_type translation shim for powervm	8 years ago
instance_actions.py	Add missing instance action record for start of live migration	8 years ago
manager.py	Merge "Convert instance_type to object in prep_resize"	8 years ago
opts.py	Use oslo-config-generator instead of generate_sample.sh	8 years ago
power_state.py	Remove power_state.BUILDING	8 years ago
resource_tracker.py	Merge "Use flavor object in compute manager"	8 years ago
rpcapi.py	Add MKS console support	8 years ago
stats.py	Switch to using oslo_* instead of oslo.*	8 years ago
task_states.py	Recover from REBOOT-* state on compute manager start-up	9 years ago
utils.py	Remove unused compute utils methods	8 years ago
vm_mode.py	Convert nova.compute.* to use instance dot notation	8 years ago
vm_states.py	Recover from REBOOT-* state on compute manager start-up	9 years ago