X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=src%2Femuvim%2Fdcemulator%2Fnode.py;h=9439eeb3945ec3bc8d0d51b32b1787c107043e04;hb=99d1f61305b5031df25ace2f49cf22220bd71e6c;hp=e0eb7d317181335af1382265fc3c9f41284a1e79;hpb=ce032e1c7f1ae6da54cb7cf04fbad84b5bec1c97;p=osm%2Fvim-emu.git diff --git a/src/emuvim/dcemulator/node.py b/src/emuvim/dcemulator/node.py index e0eb7d3..9439eeb 100755 --- a/src/emuvim/dcemulator/node.py +++ b/src/emuvim/dcemulator/node.py @@ -25,18 +25,18 @@ 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.node import Docker, OVSBridge from mininet.link import Link from emuvim.dcemulator.resourcemodel import NotEnoughResourcesAvailable import logging -import time -import json + LOG = logging.getLogger("dcemulator.node") LOG.setLevel(logging.DEBUG) DCDPID_BASE = 1000 # start of switch dpid's used for data center switches +EXTSAPDPID_BASE = 2000 # start of switch dpid's used for external SAP switches class EmulatorCompute(Docker): """ @@ -67,7 +67,7 @@ class EmulatorCompute(Docker): 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} + intf_dict = {'intf_name': str(i), 'ip': i.IP(), 'netmask': i.prefixLen, 'mac': i.MAC(), 'up': i.isUp(), 'status': i.status(), 'dc_portname': dc_port_name} networkStatusList.append(intf_dict) return networkStatusList @@ -91,8 +91,10 @@ class EmulatorCompute(Docker): 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 @@ -133,6 +135,11 @@ class Datacenter(object): DCDPID_BASE += 1 return DCDPID_BASE + def _get_next_extSAP_dpid(self): + global EXTSAPDPID_BASE + EXTSAPDPID_BASE += 1 + return EXTSAPDPID_BASE + def create(self): """ Each data center is represented by a single switch to which @@ -216,6 +223,7 @@ class Datacenter(object): self.net.addLink(d, self.switch, params1=nw, cls=Link, intfName1=nw.get('id')) # do bookkeeping self.containers[name] = d + return d # we might use UUIDs for naming later on def stopCompute(self, name): @@ -246,23 +254,22 @@ class Datacenter(object): 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) + def attachExternalSAP(self, sap_name, sap_net, **params): + # create SAP as separate OVS switch with an assigned ip address + sap_ip = str(sap_net[1]) + '/' + str(sap_net.prefixlen) + # allow connection to the external internet through the host + params = dict(NAT=True, SAPNet=str(sap_net)) + sap_switch = self.net.addExtSAP(sap_name, sap_ip, dpid=hex(self._get_next_extSAP_dpid())[2:], **params) + sap_switch.start() - 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) + # link SAP to the DC switch + self.net.addLink(sap_switch, self.switch, cls=Link) + def removeExternalSAP(self, sap_name, sap_net): + sap_switch = self.net.getNodeByName(sap_name) + # link SAP to the DC switch + self.net.removeLink(link=None, node1=sap_switch, node2=self.switch) + self.net.removeExtSAP(sap_name, str(sap_net)) def listCompute(self): """ @@ -275,12 +282,14 @@ class Datacenter(object): """ Return a dict with status information about this DC. """ + container_list = [name for name in self.containers] return { "label": self.label, "internalname": self.name, "switch": self.switch.name, "n_running_containers": len(self.containers), - "metadata": self.metadata + "metadata": self.metadata, + "vnf_list" : container_list } def assignResourceModel(self, rm):