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Re: [libvirt] [PATCH 00/12] qemu: don't lose VMs if emulator is not installed



On Wed, Aug 16, 2017 at 04:57:49PM +0200, Peter Krempa wrote:
The post-parse callback grew into an abomination which requires qemuCaps to
succeed. That won't work out well if for some reasons qemu is uninstalled.
Restarting of libvirtd would result in all VMs being lost untill qemu is
reinstalled.

Fix this by allowing qemuCaps to be missing and re-running the postparse
callbacks when attempting a VM start.

Peter Krempa (12):
 conf: domainlist: Explicitly report failure to load domain config
 conf: Add 'basic' post parse callback
 qemu: Move assignment of default emulator to the basic post parse
   callback
 conf: Add callbacks that allocate per-def private data
 qemu: domain: Don't re-allocate qemuCaps in post parse callbacks
 conf: Return any non-zero value from
   virDomainDeviceInfoIterateInternal callback
 conf: add infrastructure for tolerating certain post parse callback
   failures
 qemu: capabilities: Tolerate missing @qemuCaps in
   virQEMUCapsGetCanonicalMachine
 qemu: capabilities: Tolerate missing @qemuCaps in
   virQEMUCapsSupportsGICVersion
 qemu: domain: Don't return default NIC model if @qemuCaps are missing
 qemu: domain: Don't set default USB model if qemuCaps is missing
 qemu: Implement postParse callback skipping on config reload


ACK series.

Jan

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