hv_chroot: move unmount to CleanupInstance()
This allows cleanup to be done properly if the "instance" wasn't runningat all (based on the CleanupInstance framework, instead of the retry inhypervisor).
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Guido Trotter <ultrotter@google.com>
Add a hypervisor constant for migration support
This variable can be used by other tools to determine in a generic waywhether a given hypervisor supports migration or not.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
Fix indentation error
Commit 9cf4321fc39ec36359d9c90b22b36d33b6adc2f4 indented some lines by4 spaces rather than 2, and was git-amed without noticing. Fixing.
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
Add -usbdevice tablet to KVM when using vnc
When using VNC, it is recommended to use a tablet-styleinput device instead of a mouse. This allows most VNC viewersto send proper mouse coordinates to the virtual machine's desktopresulting in perfectly aligned guest and host mouse pointers....
Only use boot=on on non-ide disks only (KVM)
boot=on implies that KVM boots using extboot. This is only requiredto boot non-IDE disks and has the side-effect that there is at mostone bootable device. This behaviour breaks some operating systems,most notably the windows installer that tries to chainload the hard-disk...
KVM: fix a bug in _TryReadUidFile
If the uid pool is not in use _TryReadUidFile will try to return "uid" even if it hasn't tried to read it at all.
KVM: implement the HT_SM_POOL security model
In order not to complicate to much the _ExecuteKVMRuntime function withnested try/except/finally/else constructs we move the actualruncmd+check call in a separate _RunKVMCmd function.
Signed-off-by: Guido Trotter <ultrotter@google.com>...
KVM: add an instance uid file concept
If this file exists, for an instance, we release the uid containedinside back to the uid pool, at instance shutdown.
KVM: move post-shutdown cleanup operations
Currently putting the cleanup just after the actual shutdown ensuresthat it never gets called, due to how the retry/shutdown cycle works.So we move those cleanups to their new dedicated place.
Add CleanupInstance hypervisor call
Currently some hypervisors (namely kvm) need to do some cleanup aftermaking sure an instance is stopped. With the moving of the retry cyclein backend those cleanups were never done. In order to solve this we adda new optional hypervisor function, CleanupInstance, which gets called...
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