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Latest revisions

# Date Author Comment
52158be3 08/18/2013 11:40 am Dimitris Aragiorgis

Hotplug: Update manpages and NEWS

Add --hotplug entry in gnt-instance manpage.
Add NEWS entry for hotplug support.
In both cases mention that hotplug is only supported only the
the KVM Hypervisror and for versions >= 1.0.

Signed-off-by: Dimitris Aragiorgis <>
d07411cc 08/18/2013 11:40 am Dimitris Aragiorgis

Hotplug: cfgupgrade for deprecated fields

Add cfgupgrade so that we remove any deprecated fields hotplug
implementation used in the past.

Signed-off-by: Dimitris Aragiorgis <>
8a66cc18 08/18/2013 11:40 am Dimitris Aragiorgis

Remove pylint 0106

Signed-off-by: Dimitris Aragiorgis <>
2dcc9fca 08/18/2013 11:26 am Dimitris Aragiorgis

Hotplug: client support

Add --hotplug option. Only used in OpInstanceSetParams.
If this is omitted, modifications become effective after reboot.

Ask user confirmation in case NIC modify + hotplug because it will
be done via removing old NIC (and the corresponding tap) and adding...
0aaaa70a 08/18/2013 11:18 am Dimitris Aragiorgis

Introduce hotplug methods (hypervisor inteface)

4 new methods: HotAddDevice, HotDelDevice, HotModDevice, HotplugSupported
All these are the hypervisor interface with the backend.
In general they read current runtime info, do the actual hotplug
and update the runtime file....
fe3f8b9e 08/18/2013 11:18 am Dimitris Aragiorgis

Hotplug: rpc support

Introduce new RPC that eventually invoke hypervisor specific
hotplug functions. In order to be generic it has the following
arguments: device type, action, device, extra info, seq.
Device type can be NIC or DISK, action can be ADD, REMOVE,...
e998ba7d 08/18/2013 11:18 am Dimitris Aragiorgis

Hotplug: cmdlib support

Hotpluging is done by functions invoked by ApplyContainerMods(). In
order hotpluging to take place the --hotplug option must be passed
otherwise the modifications will take place after reboot.

NIC hotplug supports add, remove and modify. The modify is done by removing...
1f36ade2 08/18/2013 11:18 am Dimitris Aragiorgis

Use -device with pci info if possible

Extend kvm_cmd with -device option for the case of paravirual
Disks and NICs.

Signed-off-by: Dimitris Aragiorgis <>
3ec8082e 08/18/2013 11:18 am Dimitris Aragiorgis

Helper methods that check for hotplug support

Hotplug is currently not supported for:

- KVM < 1.0
 - existing devices in the cluster
 - python-fdsend module is not installed (NIC hotplug)
 - chroot (Disk hotplug)
 - security mode other than None (Disk hotplug)...
5c2d19fa 08/18/2013 11:18 am Dimitris Aragiorgis

Extract socket related code from QmpMonitor class

Separate unix socket related code from QmpMonitor class and
make the latter extend the newly introduced one: MonitorSocket

Signed-off-by: Dimitris Aragiorgis <>

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