--- /dev/null
+"""
+#
+# Copyright 2016 RIFT.IO Inc
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+@file rwmonparam.py
+@author Varun Prasad (varun.prasad@riftio.com)
+@date 01-Jul-2016
+
+"""
+
+import asyncio
+
+import gi
+gi.require_version('RwDts', '1.0')
+gi.require_version('RwLaunchpadYang', '1.0')
+
+from gi.repository import (
+ RwDts as rwdts,
+ RwLaunchpadYang,
+ ProtobufC)
+import rift.mano.cloud
+import rift.mano.dts as subscriber
+import rift.tasklets
+
+from . import vnfr_core
+from . import nsr_core
+
+
+class MonitoringParameterTasklet(rift.tasklets.Tasklet):
+ """The main task of this Tasklet is to listen for VNFR changes and once the
+ VNFR hits the running state, triggers the monitor.
+ """
+ def __init__(self, *args, **kwargs):
+ try:
+ super().__init__(*args, **kwargs)
+ self.rwlog.set_category("rw-monitor-log")
+ except Exception as e:
+ self.log.exception(e)
+
+ self.vnfr_subscriber = None
+ self.store = None
+
+ self.vnfr_monitors = {}
+ self.nsr_monitors = {}
+
+ # Needs to be moved to store once the DTS bug is resolved
+ self.vnfrs = {}
+
+ def start(self):
+ super().start()
+
+ self.log.info("Starting MonitoringParameterTasklet")
+ self.log.debug("Registering with dts")
+
+ self.dts = rift.tasklets.DTS(
+ self.tasklet_info,
+ RwLaunchpadYang.get_schema(),
+ self.loop,
+ self.on_dts_state_change
+ )
+
+ self.vnfr_subscriber = subscriber.VnfrCatalogSubscriber.from_tasklet(
+ self,
+ callback=self.handle_vnfr)
+ self.nsr_subsriber = subscriber.NsrCatalogSubscriber.from_tasklet(
+ self,
+ callback=self.handle_nsr)
+
+ self.store = subscriber.SubscriberStore.from_tasklet(self)
+
+ self.log.debug("Created DTS Api GI Object: %s", self.dts)
+
+ def stop(self):
+ try:
+ self.dts.deinit()
+ except Exception as e:
+ self.log.exception(e)
+
+ @asyncio.coroutine
+ def init(self):
+ self.log.debug("creating vnfr subscriber")
+ yield from self.store.register()
+ yield from self.vnfr_subscriber.register()
+ yield from self.nsr_subsriber.register()
+
+ @asyncio.coroutine
+ def run(self):
+ pass
+
+ @asyncio.coroutine
+ def on_dts_state_change(self, state):
+ """Handle DTS state change
+
+ Take action according to current DTS state to transition application
+ into the corresponding application state
+
+ Arguments
+ state - current dts state
+
+ """
+ switch = {
+ rwdts.State.INIT: rwdts.State.REGN_COMPLETE,
+ rwdts.State.CONFIG: rwdts.State.RUN,
+ }
+
+ handlers = {
+ rwdts.State.INIT: self.init,
+ rwdts.State.RUN: self.run,
+ }
+
+ # Transition application to next state
+ handler = handlers.get(state, None)
+ if handler is not None:
+ yield from handler()
+
+ # Transition dts to next state
+ next_state = switch.get(state, None)
+ if next_state is not None:
+ self.dts.handle.set_state(next_state)
+
+ def handle_vnfr(self, vnfr, action):
+ """Starts a monitoring parameter job for every VNFR that reaches
+ running state
+
+ Args:
+ vnfr (GiOBject): VNFR Gi object message from DTS
+ delete_mode (bool, optional): if set, stops and removes the monitor.
+ """
+
+ def vnfr_create():
+ # if vnfr.operational_status == "running" and vnfr.id not in self.vnfr_monitors:
+ if vnfr.config_status == "configured" and vnfr.id not in self.vnfr_monitors:
+
+ vnf_mon = vnfr_core.VnfMonitorDtsHandler.from_vnf_data(
+ self,
+ vnfr,
+ self.store.get_vnfd(vnfr.vnfd_ref))
+
+ self.vnfr_monitors[vnfr.id] = vnf_mon
+ self.vnfrs[vnfr.id] = vnfr
+
+ @asyncio.coroutine
+ def task():
+ yield from vnf_mon.register()
+ vnf_mon.start()
+
+ self.loop.create_task(task())
+
+
+ def vnfr_delete():
+ if vnfr.id in self.vnfr_monitors:
+ self.log.debug("VNFR %s deleted: Stopping vnfr monitoring", vnfr.id)
+ vnf_mon = self.vnfr_monitors.pop(vnfr.id)
+ vnf_mon.stop()
+ self.vnfrs.pop(vnfr.id)
+
+ if action in [rwdts.QueryAction.CREATE, rwdts.QueryAction.UPDATE]:
+ vnfr_create()
+ elif action == rwdts.QueryAction.DELETE:
+ vnfr_delete()
+
+
+ def handle_nsr(self, nsr, action):
+ """Callback for NSR opdata changes. Creates a publisher for every
+ NS that moves to config state.
+
+ Args:
+ nsr (RwNsrYang.YangData_Nsr_NsInstanceOpdata_Nsr): Ns Opdata
+ action (rwdts.QueryAction): Action type of the change.
+ """
+ def nsr_create():
+ # if nsr.operational_status == "running" and nsr.ns_instance_config_ref not in self.nsr_monitors:
+ if nsr.config_status == "configured" and nsr.ns_instance_config_ref not in self.nsr_monitors:
+ nsr_mon = nsr_core.NsrMonitorDtsHandler(
+ self.log,
+ self.dts,
+ self.loop,
+ nsr,
+ list(self.vnfrs.values()),
+ self.store
+ )
+
+ self.nsr_monitors[nsr.ns_instance_config_ref] = nsr_mon
+
+ @asyncio.coroutine
+ def task():
+ yield from nsr_mon.register()
+ yield from nsr_mon.start()
+
+ self.loop.create_task(task())
+
+
+
+ def nsr_delete():
+ if nsr.ns_instance_config_ref in self.nsr_monitors:
+ # if vnfr.operational_status == "running" and vnfr.id in self.vnfr_monitors:
+ nsr_mon = self.nsr_monitors.pop(nsr.ns_instance_config_ref)
+ nsr_mon.stop()
+
+ if action in [rwdts.QueryAction.CREATE, rwdts.QueryAction.UPDATE]:
+ nsr_create()
+ elif action == rwdts.QueryAction.DELETE:
+ nsr_delete()
projects / osm / SO.git / blobdiff