+++ /dev/null
-"""
-Copyright (c) 2015 SONATA-NFV
-ALL RIGHTS RESERVED.
-
-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.
-
-Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION]
-nor the names of its contributors may be used to endorse or promote
-products derived from this software without specific prior written
-permission.
-
-This work has been performed in the framework of the SONATA project,
-funded by the European Commission under Grant number 671517 through
-the Horizon 2020 and 5G-PPP programmes. The authors would like to
-acknowledge the contributions of their colleagues of the SONATA
-partner consortium (www.sonata-nfv.eu).
-"""
-"""
-Distributed Cloud Emulator (dcemulator)
-Networking and monitoring functions
-(c) 2015 by Steven Van Rossem <steven.vanrossem@intec.ugent.be>
-"""
-
-import logging
-import threading
-import zerorpc
-
-
-logging.basicConfig(level=logging.INFO)
-
-
-class ZeroRpcApiEndpointDCNetwork(object):
- """
- Simple API endpoint that offers a zerorpc-based
- interface. This interface will be used by the
- default command line client.
- It can be used as a reference to implement
- REST interfaces providing the same semantics,
- like e.g. OpenStack compute API.
- """
-
- def __init__(self, listenip, port, DCNetwork=None):
- if DCNetwork :
- self.connectDCNetwork(DCNetwork)
- self.ip = listenip
- self.port = port
- logging.debug("Created monitoring API endpoint %s(%s:%d)" % (
- self.__class__.__name__, self.ip, self.port))
-
- def connectDCNetwork(self, net):
- self.net = net
- logging.info("Connected DCNetwork to API endpoint %s(%s:%d)" % (
- self.__class__.__name__, self.ip, self.port))
-
- def start(self):
- thread = threading.Thread(target=self._api_server_thread, args=())
- thread.daemon = True
- thread.start()
- logging.debug("Started API endpoint %s(%s:%d)" % (
- self.__class__.__name__, self.ip, self.port))
-
- def _api_server_thread(self):
- s = zerorpc.Server(DCNetworkApi(self.net))
- s.bind("tcp://%s:%d" % (self.ip, self.port))
- s.run()
-
- def stop(self):
- logging.info("Stop the monitoring API endpoint")
- return
-
-
-class DCNetworkApi(object):
- """
- The networking and monitoring commands need the scope of the
- whole DC network to find the requested vnf. So this API is intended
- to work with a DCNetwork.
- Just pass through the corresponding request to the
- selected data center network. Do not implement provisioning
- logic here because will will have multiple API
- endpoint implementations at the end.
- """
-
- def __init__(self, net):
- self.net = net
-
- def network_action_start(self, vnf_src_name, vnf_dst_name, kwargs):
- # call DCNetwork method, not really datacenter specific API for now...
- # provided dc name needs to be part of API endpoint
- # no check if vnfs are really connected to this datacenter...
- logging.debug("RPC CALL: network chain start")
- try:
- c = self.net.setChain(
- vnf_src_name, vnf_dst_name,
- vnf_src_interface=kwargs.get('vnf_src_interface'),
- vnf_dst_interface=kwargs.get('vnf_dst_interface'),
- cmd='add-flow',
- weight=kwargs.get('weight'),
- match=kwargs.get('match'),
- bidirectional=kwargs.get('bidirectional'),
- cookie=kwargs.get('cookie'))
- return str(c)
- except Exception as ex:
- logging.exception("RPC error.")
- return ex.message
-
- def network_action_stop(self, vnf_src_name, vnf_dst_name, kwargs):
- # call DCNetwork method, not really datacenter specific API for now...
- # provided dc name needs to be part of API endpoint
- # no check if vnfs are really connected to this datacenter...
- logging.debug("RPC CALL: network chain stop")
- try:
- c = self.net.setChain(
- vnf_src_name, vnf_dst_name,
- vnf_src_interface=kwargs.get('vnf_src_interface'),
- vnf_dst_interface=kwargs.get('vnf_dst_interface'),
- cmd='del-flows',
- weight=kwargs.get('weight'),
- match=kwargs.get('match'),
- bidirectional=kwargs.get('bidirectional'),
- cookie=kwargs.get('cookie'))
- return c
- except Exception as ex:
- logging.exception("RPC error.")
- return ex.message
-
- # setup the rate measurement for a vnf interface
- def setup_metric(self, vnf_name, vnf_interface, metric):
- logging.debug("RPC CALL: setup metric")
- try:
- c = self.net.monitor_agent.setup_metric(vnf_name, vnf_interface, metric)
- return c
- except Exception as ex:
- logging.exception("RPC error.")
- return ex.message
-
- # remove the rate measurement for a vnf interface
- def stop_metric(self, vnf_name, vnf_interface, metric):
- logging.debug("RPC CALL: stop metric")
- try:
- c = self.net.monitor_agent.stop_metric(vnf_name, vnf_interface, metric)
- return c
- except Exception as ex:
- logging.exception("RPC error.")
- return ex.message
-
- # setup the flow metrics measurement
- def setup_flow(self, vnf_name, vnf_interface, metric, cookie):
- logging.debug("RPC CALL: setup flow")
- try:
- c = self.net.monitor_agent.setup_flow(vnf_name, vnf_interface, metric, cookie)
- return c
- except Exception as ex:
- logging.exception("RPC error.")
- return ex.message
-
- # remove the flow metrics measurement
- def stop_flow(self, vnf_name, vnf_interface, metric, cookie):
- logging.debug("RPC CALL: stop flow")
- try:
- c = self.net.monitor_agent.stop_flow(vnf_name, vnf_interface, metric, cookie)
- return c
- except Exception as ex:
- logging.exception("RPC error.")
- return ex.message
-
- # do prometheus query
- def prometheus(self, dc_label, vnf_name, vnf_interface, query):
- logging.debug("RPC CALL: query prometheus")
- vnf_status = self.net.dcs.get(dc_label).containers.get(vnf_name).getStatus()
- uuid = vnf_status['id']
- query = query.replace('<uuid>', uuid)
- #if needed, replace interface id with emu-intfs name
- # query = query.replace('<intf>', vnf_interface)
- logging.info('query: {0}'.format(query))
- try:
- c = self.net.monitor_agent.query_Prometheus(query)
- return c
- except Exception as ex:
- logging.exception("RPC error.")
- return ex.message
-
-
-
projects / osm / vim-emu.git / blobdiff