(2.10) Export tags via GetTags() to network scripts
Use GetTags() instance method in order to export instance tagsto NIC configuration scripts and files of kvm and xen hypervisors.
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>Signed-off-by: Thomas Thrainer <thomasth@google.com>...
(2.10) Introduce --hotplug-if-possible option
This will be useful for an external entity using RAPI thatwants to modify devices of instances.
The common use case for that is:"I want to add a NIC/disk to an instance. If it is runningthen try to hotplug the device. If not, then just add it to config."...
(2.10) Check if hotplug is supported in CheckPrereq
Introduce new RPC hotplug_supported that invokes the correspondinghypervisor's method which checks if hotplug is generallysupported. Call this RPC early in CheckPrereq() and abort ifhotplug is not supported. Currently only KVM hypervisor with...
(2.10) drive_del after device_del in disk hot-remove
This is needed so that qemu process really releases thecorresponding file descriptor and thus we can dmsetup/lvremovethe device without errors.
(2.10) Make hotplug related method raise HotplugError
Hotplug is not supported by default and thus we raiseHotplugError() for hotplug related methods.If a hypervisor wants to support it, we must override VerifyHotplugSupport()and implement the Hot* method....
(2.10) block_devices -> kvm_disks renaming
and a couple more styple fixes.block_devices are misleading so rename them to kvm_disk (just like kvm_nics)
(2.10) Some fixes in _GenerateKVMBlockDevicesOptions()
(2.10) Hotplug: rpc support
Introduce new RPC that eventually invoke hypervisor specifichotplug functions. In order to be generic it has the followingarguments: device type, action, device, extra info, seq.Device type can be NIC or DISK, action can be ADD, REMOVE,...
(2.10) Extract socket related code from QmpMonitor class
Separate unix socket related code from QmpMonitor class andmake the latter extend the newly introduced one: MonitorSocket
(2.10) Introduce hotplug methods (hypervisor inteface)
4 new methods: HotAddDevice, HotDelDevice, HotModDevice, HotplugSupportedAll these are the hypervisor interface with the backend.In general they read current runtime info, do the actual hotplugand update the runtime file....
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