func (d *Dispatcher) deleteNetworkDevices(vmm *vm.VirtualMachine, conf *config.VirtualContainerHostConfigSpec) error {
defer trace.End(trace.Begin(""))
log.Infof("Removing appliance VM network devices")
power, err := vmm.PowerState(d.ctx)
if err != nil {
log.Errorf("Failed to get vm power status %q: %s", vmm.Reference(), err)
return err
}
if power != types.VirtualMachinePowerStatePoweredOff {
if _, err = tasks.WaitForResult(d.ctx, func(ctx context.Context) (tasks.ResultWaiter, error) {
return vmm.PowerOff(ctx)
}); err != nil {
log.Errorf("Failed to power off existing appliance for %s", err)
return err
}
}
devices, err := d.networkDevices(vmm)
if err != nil {
log.Errorf("Unable to get network devices: %s", err)
return err
}
if len(devices) == 0 {
log.Infof("No network device attached")
return nil
}
// remove devices
return vmm.RemoveDevice(d.ctx, false, devices...)
}