"""
-Distributed Cloud Emulator (dcemulator)
-(c) 2015 by Manuel Peuster <manuel.peuster@upb.de>
+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 [, 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).
"""
from mininet.node import Docker
from mininet.link import Link
import time
import json
-LOG = logging.getLogger("dcemulator")
+LOG = logging.getLogger("dcemulator.node")
LOG.setLevel(logging.DEBUG)
DCDPID_BASE = 1000 # start of switch dpid's used for data center switches
-
class EmulatorCompute(Docker):
"""
Emulator specific compute node class.
Helper method to receive information about the virtual networks
this compute instance is connected to.
"""
- # format list of tuples (name, Ip, MAC, isUp, status)
- return [{'intf_name':str(i), 'ip':i.IP(), 'mac':i.MAC(), 'up':i.isUp(), 'status':i.status()}
- for i in self.intfList()]
+ # get all links and find dc switch interface
+ networkStatusList = []
+ for i in self.intfList():
+ vnf_name = self.name
+ vnf_interface = str(i)
+ dc_port_name = self.datacenter.net.find_connected_dc_interface(vnf_name, vnf_interface)
+ # format list of tuples (name, Ip, MAC, isUp, status, dc_portname)
+ intf_dict = {'intf_name': str(i), 'ip': i.IP(), 'mac': i.MAC(), 'up': i.isUp(), 'status': i.status(), 'dc_portname': dc_port_name}
+ networkStatusList.append(intf_dict)
+
+ return networkStatusList
def getStatus(self):
"""
status["docker_network"] = self.dcinfo['NetworkSettings']['IPAddress']
status["image"] = self.dimage
status["flavor_name"] = self.flavor_name
- status["cpu_quota"] = self.cpu_quota
- status["cpu_period"] = self.cpu_period
- status["cpu_shares"] = self.cpu_shares
- status["cpuset"] = self.cpuset
- status["mem_limit"] = self.mem_limit
- status["memswap_limit"] = self.memswap_limit
+ status["cpu_quota"] = self.resources.get('cpu_quota')
+ status["cpu_period"] = self.resources.get('cpu_period')
+ status["cpu_shares"] = self.resources.get('cpu_shares')
+ status["cpuset"] = self.resources.get('cpuset_cpus')
+ status["mem_limit"] = self.resources.get('mem_limit')
+ status["memswap_limit"] = self.resources.get('memswap_limit')
status["state"] = self.dcli.inspect_container(self.dc)["State"]
status["id"] = self.dcli.inspect_container(self.dc)["Id"]
+ status["short_id"] = self.dcli.inspect_container(self.dc)["Id"][:12]
+ status["hostname"] = self.dcli.inspect_container(self.dc)["Config"]['Hostname']
status["datacenter"] = (None if self.datacenter is None
else self.datacenter.label)
+
return status
self.name = "dc%d" % Datacenter.DC_COUNTER
Datacenter.DC_COUNTER += 1
# use this for user defined names that can be longer than self.name
- self.label = label
+ self.label = label
# dict to store arbitrary metadata (e.g. latitude and longitude)
self.metadata = metadata
# path to which resource information should be logged (e.g. for experiments). None = no logging
def start(self):
pass
- def startCompute(self, name, image=None, command=None, network=None, flavor_name="tiny"):
+ def startCompute(self, name, image=None, command=None, network=None, flavor_name="tiny", **params):
"""
Create a new container as compute resource and connect it to this
data center.
if len(network) < 1:
network.append({})
+ # apply hard-set resource limits=0
+ cpu_percentage = params.get('cpu_percent')
+ if cpu_percentage:
+ params['cpu_period'] = self.net.cpu_period
+ params['cpu_quota'] = self.net.cpu_period * float(cpu_percentage)
+
# create the container
d = self.net.addDocker(
"%s" % (name),
dimage=image,
dcmd=command,
datacenter=self,
- flavor_name=flavor_name
+ flavor_name=flavor_name,
+ environment = {'VNF_NAME':name},
+ **params
)
+
+
# apply resource limits to container if a resource model is defined
if self._resource_model is not None:
try:
# if no --net option is given, network = [{}], so 1 empty dict in the list
# this results in 1 default interface with a default ip address
for nw in network:
+ # clean up network configuration (e.g. RTNETLINK does not allow ':' in intf names
+ if nw.get("id") is not None:
+ nw["id"] = self._clean_ifname(nw["id"])
# TODO we cannot use TCLink here (see: https://github.com/mpeuster/containernet/issues/3)
self.net.addLink(d, self.switch, params1=nw, cls=Link, intfName1=nw.get('id'))
# do bookkeeping
return True
+ def attachExternalSAP(self, sap_name, sap_ip):
+ # create SAP as OVS internal interface
+ sap_intf = self.switch.attachInternalIntf(sap_name, sap_ip)
+
+ # add this as a link to the DCnetwork graph, so it is available for routing
+ attr_dict2 = {'src_port_id': sap_name, 'src_port_nr': None,
+ 'src_port_name': sap_name,
+ 'dst_port_id': self.switch.ports[sap_intf], 'dst_port_nr': self.switch.ports[sap_intf],
+ 'dst_port_name': sap_intf.name}
+ self.net.DCNetwork_graph.add_edge(sap_name, self.switch.name, attr_dict=attr_dict2)
+
+ attr_dict2 = {'dst_port_id': sap_name, 'dst_port_nr': None,
+ 'dst_port_name': sap_name,
+ 'src_port_id': self.switch.ports[sap_intf], 'src_port_nr': self.switch.ports[sap_intf],
+ 'src_port_name': sap_intf.name}
+ self.net.DCNetwork_graph.add_edge(self.switch.name, sap_name, attr_dict=attr_dict2)
+
+
def listCompute(self):
"""
Return a list of all running containers assigned to this
self.net.rm_registrar.register(self, rm)
LOG.info("Assigned RM: %r to DC: %r" % (rm, self))
+ @staticmethod
+ def _clean_ifname(name):
+ """
+ Cleans up given string to be a
+ RTNETLINK compatible interface name.
+ :param name: string
+ :return: string
+ """
+ if name is None:
+ return "if0"
+ name = name.replace(":", "-")
+ name = name.replace(" ", "-")
+ name = name.replace(".", "-")
+ name = name.replace("_", "-")
+ return name
+
projects / osm / vim-emu.git / blobdiff