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clh: Add hotplug support for network devices

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This is needed in order to have Moby / Docker working properly with
Cloud Hypervisor, as Moby / Docker relies on hotplugging a network
device to the VM as a preStartHook.

Fixes: #5997

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
This commit is contained in:
Fabiano Fidêncio 2023-01-06 18:53:36 +01:00
parent 1074d2c1d3
commit efa4fc0b25
1 changed files with 12 additions and 0 deletions
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12
src/runtime/virtcontainers/clh.go
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@ -886,6 +886,15 @@ func (clh *cloudHypervisor) hotPlugVFIODevice(device *config.VFIODev) error {
return err
}
func (clh *cloudHypervisor) hotplugAddNetDevice(e Endpoint) error {
err := clh.addNet(e)
if err != nil {
return err
}
return clh.vmAddNetPut()
}
func (clh *cloudHypervisor) HotplugAddDevice(ctx context.Context, devInfo interface{}, devType DeviceType) (interface{}, error) {
span, _ := katatrace.Trace(ctx, clh.Logger(), "HotplugAddDevice", clhTracingTags, map[string]string{"sandbox_id": clh.id})
defer span.End()
@ -897,6 +906,9 @@ func (clh *cloudHypervisor) HotplugAddDevice(ctx context.Context, devInfo interf
case VfioDev:
device := devInfo.(*config.VFIODev)
return nil, clh.hotPlugVFIODevice(device)
case NetDev:
device := devInfo.(Endpoint)
return nil, clh.hotplugAddNetDevice(device)
default:
return nil, fmt.Errorf("cannot hotplug device: unsupported device type '%v'", devType)
}