X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=rwlaunchpad%2Fplugins%2Frwnsm%2Frift%2Ftasklets%2Frwnsmtasklet%2Frwnsmtasklet.py;h=99cb3f7b8822ffebc195936299837bad1634ea87;hb=refs%2Fchanges%2F89%2F1489%2F1;hp=b78a279b0896ad2cc64af0d1de84b9109a1127e2;hpb=5f2bf0fbc7e2d7560bd81bb7c671bc7cfcda5745;p=osm%2FSO.git diff --git a/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsmtasklet.py b/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsmtasklet.py index b78a279b..99cb3f7b 100755 --- a/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsmtasklet.py +++ b/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsmtasklet.py @@ -51,7 +51,7 @@ from gi.repository import ( VnfrYang, RwVnfrYang, RwNsmYang, - RwsdnYang, + RwsdnalYang, RwDts as rwdts, RwTypes, ProtobufC, @@ -383,7 +383,7 @@ class VnffgRecord(object): vnfr = yield from self._nsr.fetch_vnfr(nsr_vnfr.xpath) self._log.debug("Received VNFR is %s", vnfr) - sff = RwsdnYang.VNFFGSff() + sff = RwsdnalYang.VNFFGSff() sff_list[nsr_vnfr.vnfd.id] = sff sff.name = nsr_vnfr.name sff.function_type = nsr_vnfr.vnfd.service_function_chain @@ -3641,6 +3641,7 @@ class NsManager(object): VnfrDtsHandler(dts, log, loop, self), NsdRefCountDtsHandler(dts, log, loop, self), NsrDtsHandler(dts, log, loop, self), + ScalingRpcHandler(log, dts, loop, self.scale_rpc_callback), NsrRpcDtsHandler(dts,log,loop,self), self._vnfd_dts_handler, self.cfgmgr_obj, @@ -3749,6 +3750,74 @@ class NsManager(object): self._loop.create_task(nsr.delete_scale_group_instance(scale_group_name, instance_id)) + def scale_rpc_callback(self, xact, msg, action): + """Callback handler for RPC calls + Args: + xact : Transaction Handler + msg : RPC input + action : Scaling Action + """ + ScalingGroupInstance = NsrYang.YangData_Nsr_NsInstanceConfig_Nsr_ScalingGroup_Instance + ScalingGroup = NsrYang.YangData_Nsr_NsInstanceConfig_Nsr_ScalingGroup + + xpath = ('C,/nsr:ns-instance-config/nsr:nsr[nsr:id="{}"]').format( + msg.nsr_id_ref) + instance = ScalingGroupInstance.from_dict({"id": msg.instance_id}) + + @asyncio.coroutine + def get_nsr_scaling_group(): + results = yield from self._dts.query_read(xpath, rwdts.XactFlag.MERGE) + + for result in results: + res = yield from result + nsr_config = res.result + + for scaling_group in nsr_config.scaling_group: + if scaling_group.scaling_group_name_ref == msg.scaling_group_name_ref: + break + else: + scaling_group = nsr_config.scaling_group.add() + scaling_group.scaling_group_name_ref = msg.scaling_group_name_ref + + return (nsr_config, scaling_group) + + @asyncio.coroutine + def update_config(nsr_config): + xml = self._ncclient.convert_to_xml(RwNsrYang, nsr_config) + xml = '{}'.format(xml) + yield from self._ncclient.connect() + yield from self._ncclient.manager.edit_config(target="running", config=xml, default_operation="replace") + + @asyncio.coroutine + def scale_out(): + nsr_config, scaling_group = yield from get_nsr_scaling_group() + scaling_group.instance.append(instance) + yield from update_config(nsr_config) + + @asyncio.coroutine + def scale_in(): + nsr_config, scaling_group = yield from get_nsr_scaling_group() + scaling_group.instance.remove(instance) + yield from update_config(nsr_config) + + if action == ScalingRpcHandler.ACTION.SCALE_OUT: + self._loop.create_task(scale_out()) + else: + self._loop.create_task(scale_in()) + + # Opdata based calls, disabled for now! + # if action == ScalingRpcHandler.ACTION.SCALE_OUT: + # self.scale_nsr_out( + # msg.nsr_id_ref, + # msg.scaling_group_name_ref, + # msg.instance_id, + # xact) + # else: + # self.scale_nsr_in( + # msg.nsr_id_ref, + # msg.scaling_group_name_ref, + # msg.instance_id) + def nsr_update_cfg(self, nsr_id, msg): nsr = self._nsrs[nsr_id] nsr.nsr_cfg_msg= msg @@ -4122,6 +4191,91 @@ class NsmRecordsPublisherProxy(object): path = VirtualLinkRecord.vlr_xpath(vlr) return (yield from self._vlr_pub_hdlr.delete(xact, path)) + +class ScalingRpcHandler(mano_dts.DtsHandler): + """ The Network service Monitor DTS handler """ + SCALE_IN_INPUT_XPATH = "I,/nsr:exec-scale-in" + SCALE_IN_OUTPUT_XPATH = "O,/nsr:exec-scale-in" + + SCALE_OUT_INPUT_XPATH = "I,/nsr:exec-scale-out" + SCALE_OUT_OUTPUT_XPATH = "O,/nsr:exec-scale-out" + + ACTION = Enum('ACTION', 'SCALE_IN SCALE_OUT') + + def __init__(self, log, dts, loop, callback=None): + super().__init__(log, dts, loop) + self.callback = callback + self.last_instance_id = defaultdict(int) + + @asyncio.coroutine + def register(self): + + @asyncio.coroutine + def on_scale_in_prepare(xact_info, action, ks_path, msg): + assert action == rwdts.QueryAction.RPC + + try: + if self.callback: + self.callback(xact_info.xact, msg, self.ACTION.SCALE_IN) + + rpc_op = NsrYang.YangOutput_Nsr_ExecScaleIn.from_dict({ + "instance_id": msg.instance_id}) + + xact_info.respond_xpath( + rwdts.XactRspCode.ACK, + self.__class__.SCALE_IN_OUTPUT_XPATH, + rpc_op) + + except Exception as e: + self.log.exception(e) + xact_info.respond_xpath( + rwdts.XactRspCode.NACK, + self.__class__.SCALE_IN_OUTPUT_XPATH) + + @asyncio.coroutine + def on_scale_out_prepare(xact_info, action, ks_path, msg): + assert action == rwdts.QueryAction.RPC + + try: + scaling_group = msg.scaling_group_name_ref + if not msg.instance_id: + last_instance_id = self.last_instance_id[scale_group] + msg.instance_id = last_instance_id + 1 + self.last_instance_id[scale_group] += 1 + + if self.callback: + self.callback(xact_info.xact, msg, self.ACTION.SCALE_OUT) + + rpc_op = NsrYang.YangOutput_Nsr_ExecScaleOut.from_dict({ + "instance_id": msg.instance_id}) + + xact_info.respond_xpath( + rwdts.XactRspCode.ACK, + self.__class__.SCALE_OUT_OUTPUT_XPATH, + rpc_op) + + except Exception as e: + self.log.exception(e) + xact_info.respond_xpath( + rwdts.XactRspCode.NACK, + self.__class__.SCALE_OUT_OUTPUT_XPATH) + + scale_in_hdl = rift.tasklets.DTS.RegistrationHandler( + on_prepare=on_scale_in_prepare) + scale_out_hdl = rift.tasklets.DTS.RegistrationHandler( + on_prepare=on_scale_out_prepare) + + with self.dts.group_create() as group: + group.register( + xpath=self.__class__.SCALE_IN_INPUT_XPATH, + handler=scale_in_hdl, + flags=rwdts.Flag.PUBLISHER) + group.register( + xpath=self.__class__.SCALE_OUT_INPUT_XPATH, + handler=scale_out_hdl, + flags=rwdts.Flag.PUBLISHER) + + class NsmTasklet(rift.tasklets.Tasklet): """ The network service manager tasklet