'Power on the specified instance.'

def power_on(self, instance, block_device_info=None, network_info=None):

    LOG.debug('Power    on    instance', instance=instance)
    if block_device_info:
        self._volumeops.fix_instance_volume_disk_paths(instance.name, block_device_info)
    self._set_vm_state(instance, os_win_const.HYPERV_VM_STATE_ENABLED)
    self.plug_vifs(instance, network_info)
