Synnefo » snf-ganeti » ganeti-local

  def FailoverInstance(self, instance, iallocator=None,

                       ignore_consistency=None, target_node=None):

    """Does a failover of an instance.

    @type instance: string

    @param instance: Instance name

    @type iallocator: string

    @param iallocator: Iallocator for deciding the target node for

      shared-storage instances

    @type ignore_consistency: bool

    @param ignore_consistency: Whether to ignore disk consistency

    @type target_node: string

    @param target_node: Target node for shared-storage instances

    @rtype: string

    @return: job id

    """

    body = {}

    if iallocator is not None:

      body["iallocator"] = iallocator

    if ignore_consistency is not None:

      body["ignore_consistency"] = ignore_consistency

    if target_node is not None:

      body["target_node"] = target_node

    return self._SendRequest(HTTP_PUT,

                             ("/%s/instances/%s/failover" %

                              (GANETI_RAPI_VERSION, instance)), None, body)