コード例 #1
0
    def detach_volume(self, connection_info, instance_name, mountpoint):
        """Detach volume storage to VM instance."""
        LOG.debug("Detach_volume: %(instance_name)s, %(mountpoint)s", {
            'instance_name': instance_name,
            'mountpoint': mountpoint
        })

        vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)

        device_number = volume_utils.get_device_number(mountpoint)
        vbd_ref = volume_utils.find_vbd_by_number(self._session, vm_ref,
                                                  device_number)

        if vbd_ref is None:
            # NOTE(sirp): If we don't find the VBD then it must have been
            # detached previously.
            LOG.warning(
                _LW('Skipping detach because VBD for %s was '
                    'not found'), instance_name)
        else:
            self._detach_vbds_and_srs(vm_ref, [vbd_ref])
            LOG.info(
                _LI('Mountpoint %(mountpoint)s detached from instance'
                    ' %(instance_name)s'), {
                        'instance_name': instance_name,
                        'mountpoint': mountpoint
                    })
コード例 #2
0
ファイル: volumeops.py プロジェクト: hsluoyz/patron
    def attach_volume(self, connection_info, instance_name, mountpoint,
                      hotplug=True):
        """Attach volume to VM instance."""
        # TODO(johngarbutt) move this into _attach_volume_to_vm
        dev_number = volume_utils.get_device_number(mountpoint)

        vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
        return self._attach_volume(connection_info, vm_ref,
                                   instance_name, dev_number, hotplug)
コード例 #3
0
    def attach_volume(self,
                      connection_info,
                      instance_name,
                      mountpoint,
                      hotplug=True):
        """Attach volume to VM instance."""
        # TODO(johngarbutt) move this into _attach_volume_to_vm
        dev_number = volume_utils.get_device_number(mountpoint)

        vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
        return self._attach_volume(connection_info, vm_ref, instance_name,
                                   dev_number, hotplug)
コード例 #4
0
ファイル: volumeops.py プロジェクト: hsluoyz/patron
    def detach_volume(self, connection_info, instance_name, mountpoint):
        """Detach volume storage to VM instance."""
        LOG.debug("Detach_volume: %(instance_name)s, %(mountpoint)s",
                  {'instance_name': instance_name, 'mountpoint': mountpoint})

        vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)

        device_number = volume_utils.get_device_number(mountpoint)
        vbd_ref = volume_utils.find_vbd_by_number(self._session, vm_ref,
                                                  device_number)

        if vbd_ref is None:
            # NOTE(sirp): If we don't find the VBD then it must have been
            # detached previously.
            LOG.warning(_LW('Skipping detach because VBD for %s was '
                            'not found'), instance_name)
        else:
            self._detach_vbds_and_srs(vm_ref, [vbd_ref])
            LOG.info(_LI('Mountpoint %(mountpoint)s detached from instance'
                         ' %(instance_name)s'),
                     {'instance_name': instance_name,
                      'mountpoint': mountpoint})