+# Copyright (c) 2015 SONATA-NFV and Paderborn University
+# 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, Paderborn University
+# 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).
+
import logging
import threading
-from flask import Flask
+from flask import Flask, send_from_directory
from flask_restful import Api
+from gevent.pywsgi import WSGIServer
# need to import total module to set its global variable dcs
import compute
-from compute import dcs, ComputeList, ComputeStart, ComputeStatus, ComputeStop, DatacenterList, DatacenterStatus
+from compute import ComputeList, Compute, ComputeResources, DatacenterList, DatacenterStatus
# need to import total module to set its global variable net
import network
-from network import NetworkAction
+from network import NetworkAction, DrawD3jsgraph
import monitor
-from monitor import MonitorInterfaceAction, MonitorFlowAction
+from monitor import MonitorInterfaceAction, MonitorFlowAction, MonitorLinkAction, MonitorSkewAction, MonitorTerminal
-logging.basicConfig(level=logging.INFO)
+import pkg_resources
+from os import path
+logging.basicConfig()
-class RestApiEndpoint(object):
+class RestApiEndpoint(object):
"""
Simple API endpoint that offers a REST
interface. This interface will be used by the
default command line client.
"""
- def __init__(self, listenip, port):
+ def __init__(self, listenip, port, DCnetwork=None):
self.ip = listenip
self.port = port
+ # connect this DC network to the rest api endpoint (needed for the
+ # networking and monitoring api)
+ self.connectDCNetwork(DCnetwork)
+
# setup Flask
self.app = Flask(__name__)
self.api = Api(self.app)
- # setup endpoints
- self.api.add_resource(ComputeList, "/restapi/compute/<dc_label>")
- self.api.add_resource(ComputeStart, "/restapi/compute/<dc_label>/<compute_name>/start")
- self.api.add_resource(ComputeStop, "/restapi/compute/<dc_label>/<compute_name>/stop")
- self.api.add_resource(ComputeStatus, "/restapi/compute/<dc_label>/<compute_name>")
+ # define dashboard endpoints
+ db_dir, db_file = self.get_dashboard_path()
+
+ @self.app.route('/dashboard/<path:path>')
+ def db_file(path):
+ logging.info("[DB] Serving: {}".format(path))
+ return send_from_directory(db_dir, path)
+
+ # define REST API endpoints
+ # compute related actions (start/stop VNFs, get info)
+ self.api.add_resource(
+ Compute, "/restapi/compute/<dc_label>/<compute_name>")
+ self.api.add_resource(ComputeList,
+ "/restapi/compute",
+ "/restapi/compute/<dc_label>")
+ self.api.add_resource(
+ ComputeResources, "/restapi/compute/resources/<dc_label>/<compute_name>")
+
+ self.api.add_resource(
+ DatacenterStatus, "/restapi/datacenter/<dc_label>")
self.api.add_resource(DatacenterList, "/restapi/datacenter")
- self.api.add_resource(DatacenterStatus, "/restapi/datacenter/<dc_label>")
-
- self.api.add_resource(NetworkAction, "/restapi/network/<vnf_src_name>/<vnf_dst_name>")
-
- self.api.add_resource(MonitorInterfaceAction, "/restapi/monitor/<vnf_name>/<vnf_interface>/<metric>")
- self.api.add_resource(MonitorFlowAction, "/restapi/monitor/<vnf_name>/<vnf_interface>/<metric>/<cookie>")
-
- logging.debug("Created API endpoint %s(%s:%d)" % (self.__class__.__name__, self.ip, self.port))
+ # network related actions (setup chaining between VNFs)
+ self.api.add_resource(NetworkAction,
+ "/restapi/network")
+ self.api.add_resource(DrawD3jsgraph,
+ "/restapi/network/d3jsgraph")
+
+ # monitoring related actions
+ # export a network interface traffic rate counter
+ self.api.add_resource(MonitorInterfaceAction,
+ "/restapi/monitor/interface")
+ # export flow traffic counter, of a manually pre-installed flow entry,
+ # specified by its cookie
+ self.api.add_resource(MonitorFlowAction,
+ "/restapi/monitor/flow")
+ # install monitoring of a specific flow on a pre-existing link in the service.
+ # the traffic counters of the newly installed monitor flow are exported
+ self.api.add_resource(MonitorLinkAction,
+ "/restapi/monitor/link")
+ # install skewness monitor of resource usage disribution
+ # the skewness metric is exported
+ self.api.add_resource(MonitorSkewAction,
+ "/restapi/monitor/skewness")
+ # start a terminal window for the specified vnfs
+ self.api.add_resource(MonitorTerminal,
+ "/restapi/monitor/term")
+
+ logging.debug("Created API endpoint %s(%s:%d)" %
+ (self.__class__.__name__, self.ip, self.port))
+
+ def get_dashboard_path(self):
+ """
+ Return absolute path to dashboard files.
+ """
+ db_file = pkg_resources.resource_filename(
+ 'emuvim.dashboard', "index.html")
+ db_dir = path.dirname(db_file)
+ logging.info("[DB] Serving emulator dashboard from: {} and {}"
+ .format(db_dir, db_file))
+ return db_dir, db_file
def connectDatacenter(self, dc):
compute.dcs[dc.label] = dc
- logging.info("Connected DC(%s) to API endpoint %s(%s:%d)" % (dc.label, self.__class__.__name__, self.ip, self.port))
+ logging.info(
+ "Connected DC(%s) to API endpoint %s(%s:%d)" % (dc.label, self.__class__.__name__, self.ip, self.port))
def connectDCNetwork(self, DCnetwork):
-
network.net = DCnetwork
monitor.net = DCnetwork
self.__class__.__name__, self.ip, self.port))
def start(self):
- thread = threading.Thread(target= self._start_flask, args=())
- thread.daemon = True
- thread.start()
- logging.info("Started API endpoint @ http://%s:%d" % (self.ip, self.port))
+ self.thread = threading.Thread(target=self._start_flask, args=())
+ self.thread.daemon = True
+ self.thread.start()
+ logging.info("Started API endpoint @ http://%s:%d" %
+ (self.ip, self.port))
+ def stop(self):
+ if self.http_server:
+ self.http_server.close()
def _start_flask(self):
- self.app.run(self.ip, self.port, debug=True, use_reloader=False)
\ No newline at end of file
+ # self.app.run(self.ip, self.port, debug=False, use_reloader=False)
+ # this should be a more production-fit http-server
+ # self.app.logger.setLevel(logging.ERROR)
+ self.http_server = WSGIServer((self.ip, self.port),
+ self.app,
+ # This disables HTTP request logs to not
+ # mess up the CLI when e.g. the
+ # auto-updated dashboard is used
+ log=open("/dev/null", "w")
+ )
+ self.http_server.serve_forever()
projects / osm / vim-emu.git / blobdiff