Synnefo » snf-ganeti

    instance.serial_no = 1

    self._config_data.instances[instance.name] = instance

    self._WriteConfig()

  def _SetInstanceStatus(self, instance_name, status):

    if instance_name not in self._config_data.instances:

      raise errors.ConfigurationError("Unknown instance '%s'" % instance_name)

    del self._config_data.instances[instance_name]

    self._WriteConfig()

  @locking.ssynchronized(_config_lock)

                                                           disk.iv_name))

    self._config_data.instances[inst.name] = inst

    self._WriteConfig()

  @locking.ssynchronized(_config_lock)

    if self._config_data is None:

      raise errors.ProgrammerError("Configuration file not read,"

                                   " cannot save.")

    if isinstance(target, objects.Cluster):

      test = target == self._config_data.cluster

    elif isinstance(target, objects.Node):

      test = target in self._config_data.nodes.values()

    elif isinstance(target, objects.Instance):

      test = target in self._config_data.instances.values()

    else:

      raise errors.ProgrammerError("Invalid object type (%s) passed to"

                                   " ConfigWriter.Update" % type(target))

    if not test:

      raise errors.ConfigurationError("Configuration updated since object"

                                      " has been read or unknown object")

    self._WriteConfig()