def delete(self, vsm_type):
        """
        Delete a specific vsm_type.

        :param vsm_type: The ID of the :class:`VolumeType` to get.
        """
        self._delete("/types/%s" % base.getid(vsm_type))

    def delete(self, cluster):
        """
        Delete a cluster.

        :param cluster: The :class:`Cluster` to delete.
        """
        self._delete("/clusters/%s" % base.getid(cluster))

    def delete(self, appnode):
        """
        Delete an app node.

        :param appnode: The :class:`AppNode` to delete.
        """
        self._delete("/appnodes/%s" % base.getid(appnode))

    def delete(self, vsm):
        """
        Delete a vsm.

        :param vsm: The :class:`Cluster` to delete.
        """
        self._delete("/clusters/%s" % base.getid(vsm))

    def delete(self, zone):
        """
        Delete a zone.

        :param zone: The :class:`Zone` to delete.
        """
        self._delete("/zones/%s" % base.getid(zone))

    def delete(self, vsm):
        """
        Delete a vsm.

        :param vsm: The :class:`Zone` to delete.
        """
        self._delete("/zones/%s" % base.getid(vsm))

    def delete(self, vsm):
        """
        Delete a vsm.

        :param vsm: The :class:`Volume` to delete.
        """
        self._delete("/vsms/%s" % base.getid(vsm))

    def delete(self, poolusage):
        """
        Delete an pool usage.

        :param poolusage: The :class:`PoolUsage` to delete.
        """
        self._delete("/poolusages/%s" % base.getid(poolusage))

    def delete(self, snapshot):
        """
        Delete a snapshot.

        :param snapshot: The :class:`Snapshot` to delete.
        """
        self._delete("/snapshots/%s" % base.getid(snapshot))

    def get(self, vsm_type):
        """
        Get a specific vsm type.

        :param vsm_type: The ID of the :class:`VolumeType` to get.
        :rtype: :class:`VolumeType`
        """
        return self._get("/types/%s" % base.getid(vsm_type), "vsm_type")

 def _action(self, action, rbd_pool, info=None, **kwargs):
     """
     Perform a rbd_pool "action."
     """
     body = {action: info}
     self.run_hooks('modify_body_for_action', body, **kwargs)
     url = '/rbd_pools/%s/action' % base.getid(rbd_pool)
     return self.api.client.post(url, body=body)

 def _action(self, action, vsm, info=None, **kwargs):
     """
     Perform a vsm "action."
     """
     body = {action: info}
     self.run_hooks('modify_body_for_action', body, **kwargs)
     url = '/vsms/%s/action' % base.getid(vsm)
     return self.api.client.post(url, body=body)

 def _action(self, action, storage_group, info=None, **kwargs):
     """
     Perform a storage_group "action."
     """
     body = {action: info}
     self.run_hooks('modify_body_for_action', body, **kwargs)
     url = '/storage_groups/%s/action' % base.getid(storage_group)
     return self.api.client.post(url, body=body)

 def _action(self, action, osd, info=None, **kwargs):
     """
     Perform a osd "action."
     """
     body = {action: info}
     self.run_hooks("modify_body_for_action", body, **kwargs)
     url = "/storage_pools/%s/action" % base.getid(osd)
     return self.api.client.post(url, body=body)

 def _action(self, action, monitor, info=None, **kwargs):
     """
     Perform a monitor "action."
     """
     body = {action: info}
     self.run_hooks('modify_body_for_action', body, **kwargs)
     url = '/monitors/%s/action' % base.getid(monitor)
     return self.api.client.post(url, body=body)

    def update(self, poolusage, **kargs):
        """
        Update the attach_status and time for a set of pool usages.

        """
        if not kargs:
            return

        body = {"poolusages": kargs}
        self._update("/poolusages/%s" % base.getid(poolusage), body)

    def get_keys(self):
        """
        Get extra specs from a vsm type.

        :param vol_type: The :class:`VolumeType` to get extra specs from
        """
        _resp, body = self.manager.api.client.get(
            "/types/%s/extra_specs" %
            base.getid(self))
        return body["extra_specs"]

    def update(self, appnode, **kargs):
        """
        Update the ssh_status or log_info for an appnode.

        """
        if not kargs:
            return

        body = {"appnode": kargs}
        self._update("/appnodes/%s" % base.getid(appnode), body)

    def update(self, appnode, appnode_info):
        """
        Update the ssh_status or log_info for an appnode.

        """
        if not appnode_info:
            return

        body = {"appnode": appnode_info}
        self._update("/appnodes/%s" % base.getid(appnode), body)

    def update(self, zone, **kwargs):
        """

        :param vsm: The :class:`Zone` to delete.
        """
        if not kwargs:
            return

        body = {"zone": kwargs}

        self._update("/zones/%s" % base.getid(zone), body)