From: stevenvanrossem Date: Wed, 3 May 2017 10:39:51 +0000 (+0200) Subject: allow multiple VNFs with same name/image but different IDs X-Git-Tag: v3.1~30^2~14 X-Git-Url: https://osm.etsi.org/gitweb/?a=commitdiff_plain;h=29afff5798b26242e1bfe1d92ef0ef0d9ddc4a97;p=osm%2Fvim-emu.git allow multiple VNFs with same name/image but different IDs --- diff --git a/src/emuvim/api/sonata/dummygatekeeper.py b/src/emuvim/api/sonata/dummygatekeeper.py index 5214146..136ccc8 100755 --- a/src/emuvim/api/sonata/dummygatekeeper.py +++ b/src/emuvim/api/sonata/dummygatekeeper.py @@ -149,7 +149,8 @@ class Service(object): self.local_docker_files = dict() self.remote_docker_image_urls = dict() self.instances = dict() - self.vnf_name2docker_name = dict() + #self.vnf_name2docker_name = dict() + # dict to find the vnf_name for any vnf id self.vnf_id2vnf_name = dict() def onboard(self): @@ -165,11 +166,6 @@ class Service(object): self._load_vnfd() if DEPLOY_SAP: self._load_saps() - # create dict to translate vnf names - self.vnf_id2vnf_name = defaultdict(lambda: "NotExistingNode", - reduce(lambda x, y: dict(x, **y), - map(lambda d: {d["vnf_id"]: d["vnf_name"]}, - self.nsd["network_functions"]))) # 3. prepare container images (e.g. download or build Dockerfile) if BUILD_DOCKERFILE: self._load_docker_files() @@ -199,12 +195,13 @@ class Service(object): if not GK_STANDALONE_MODE: #self._calculate_placement(FirstDcPlacement) self._calculate_placement(RoundRobinDcPlacementWithSAPs) - # 3. start all vnfds that we have in the service (except SAPs) - for vnfd in self.vnfds.itervalues(): + for vnf_id in self.vnf_id2vnf_name: + vnf_name = self.vnf_id2vnf_name[vnf_id] + vnfd = self.vnfds[vnf_name] vnfi = None if not GK_STANDALONE_MODE: - vnfi = self._start_vnfd(vnfd) + vnfi = self._start_vnfd(vnfd, vnf_id) self.instances[instance_uuid]["vnf_instances"].append(vnfi) # 4. start all SAPs in the service @@ -264,16 +261,20 @@ class Service(object): # last step: remove the instance from the list of all instances del self.instances[instance_uuid] - def _start_vnfd(self, vnfd): + def _start_vnfd(self, vnfd, vnf_id): """ Start a single VNFD of this service :param vnfd: vnfd descriptor dict + :param vnf-id: vnfd descriptor dict :return: """ + # the vnf_name refers to the container to be deployed + vnf_name = vnfd.get("name") + + # iterate over all deployment units within each VNFDs for u in vnfd.get("virtual_deployment_units"): # 1. get the name of the docker image to start and the assigned DC - vnf_name = vnfd.get("name") if vnf_name not in self.remote_docker_image_urls: raise Exception("No image name for %r found. Abort." % vnf_name) docker_name = self.remote_docker_image_urls.get(vnf_name) @@ -308,16 +309,22 @@ class Service(object): mem_lim = int(mem_limit) cpu_period, cpu_quota = self._calculate_cpu_cfs_values(float(cpu_bw)) - vnf_name2id = defaultdict(lambda: "NotExistingNode", - reduce(lambda x, y: dict(x, **y), - map(lambda d: {d["vnf_name"]: d["vnf_id"]}, - self.nsd["network_functions"]))) + + # vnf_name2id = defaultdict(lambda: "NotExistingNode", + # reduce(lambda x, y: dict(x, **y), + # map(lambda d: {d["vnf_name"]: d["vnf_id"]}, + # self.nsd["network_functions"]))) + + # vnf_id2name = defaultdict(lambda: "NotExistingNode", + # reduce(lambda x, y: dict(x, **y), + # map(lambda d: {d["vnf_id"]: d["vnf_name"]}, + # self.nsd["network_functions"]))) # check if we need to deploy the management ports (defined as type:management both on in the vnfd and nsd) intfs = vnfd.get("connection_points", []) mgmt_intf_names = [] if USE_DOCKER_MGMT: - vnf_id = vnf_name2id[vnf_name] + #vnf_id = vnf_name2id[vnf_name] mgmt_intfs = [vnf_id + ':' + intf['id'] for intf in intfs if intf.get('type') == 'management'] # check if any of these management interfaces are used in a management-type network in the nsd for nsd_intf_name in mgmt_intfs: @@ -348,12 +355,13 @@ class Service(object): # use the vnf_id in the nsd as docker name # so deployed containers can be easily mapped back to the nsd - self.vnf_name2docker_name[vnf_name] = vnf_name2id[vnf_name] + #self.vnf_name2docker_name[vnf_name] = vnf_id - LOG.info("Starting %r as %r in DC %r" % (vnf_name, self.vnf_name2docker_name[vnf_name], vnfd.get("dc"))) - LOG.debug("Interfaces for %r: %r" % (vnf_name, intfs)) + #LOG.info("Starting %r as %r in DC %r" % (vnf_name, self.vnf_name2docker_name[vnf_name], vnfd.get("dc"))) + LOG.info("Starting %r as %r in DC %r" % (vnf_name, vnf_id, vnfd.get("dc"))) + LOG.debug("Interfaces for %r: %r" % (vnf_id, intfs)) vnfi = target_dc.startCompute( - self.vnf_name2docker_name[vnf_name], + vnf_id, network=intfs, image=docker_name, flavor_name="small", @@ -384,16 +392,16 @@ class Service(object): LOG.info("Stopping the vnf instance contained in %r in DC %r" % (status["name"], dc)) dc.stopCompute(status["name"]) - def _get_vnf_instance(self, instance_uuid, name): + def _get_vnf_instance(self, instance_uuid, vnf_id): """ - Returns the Docker object for the given VNF name (or Docker name). + Returns the Docker object for the given VNF id (or Docker name). :param instance_uuid: UUID of the service instance to search in. :param name: VNF name or Docker name. We are fuzzy here. :return: """ - dn = name - if name in self.vnf_name2docker_name: - dn = self.vnf_name2docker_name[name] + dn = vnf_id + #if vnf_id in self.vnf_name2docker_name: + # dn = self.vnf_name2docker_name[name] for vnfi in self.instances[instance_uuid]["vnf_instances"]: if vnfi.name == dn: return vnfi @@ -471,6 +479,11 @@ class Service(object): make_relative_path(self.manifest.get("entry_service_template"))) self.nsd = load_yaml(nsd_path) GK.net.deployed_nsds.append(self.nsd) + # create dict to find the vnf_name for any vnf id + self.vnf_id2vnf_name = defaultdict(lambda: "NotExistingNode", + reduce(lambda x, y: dict(x, **y), + map(lambda d: {d["vnf_id"]: d["vnf_name"]}, + self.nsd["network_functions"]))) LOG.debug("Loaded NSD: %r" % self.nsd.get("name")) @@ -487,7 +500,7 @@ class Service(object): make_relative_path(pc.get("name"))) vnfd = load_yaml(vnfd_path) self.vnfds[vnfd.get("name")] = vnfd - LOG.debug("Loaded VNFD: %r" % vnfd.get("name")) + LOG.debug("Loaded VNFD: %r" % vnfd.get("id")) def _load_saps(self): # create list of all SAPs @@ -582,9 +595,9 @@ class Service(object): src_id = src_sap_id # set intf name to None so the chaining function will choose the first one src_if_name = None - src_name = self.vnf_id2vnf_name[src_id] - dst_name = self.vnf_id2vnf_name[dst_id] - dst_vnfi = self._get_vnf_instance(instance_uuid, dst_name) + #src_name = self.vnf_id2vnf_name[src_id] + #dst_name = self.vnf_id2vnf_name[dst_id] + dst_vnfi = self._get_vnf_instance(instance_uuid, dst_id) if dst_vnfi is not None: # choose first ip address in sap subnet sap_net = self.saps[src_sap_id]['net'] @@ -596,9 +609,9 @@ class Service(object): dst_id = dst_sap_id # set intf name to None so the chaining function will choose the first one dst_if_name = None - src_name = self.vnf_id2vnf_name[src_id] - dst_name = self.vnf_id2vnf_name[dst_id] - src_vnfi = self._get_vnf_instance(instance_uuid, src_name) + #src_name = self.vnf_id2vnf_name[src_id] + #dst_name = self.vnf_id2vnf_name[dst_id] + src_vnfi = self._get_vnf_instance(instance_uuid, src_id) if src_vnfi is not None: sap_net = self.saps[dst_sap_id]['net'] sap_ip = "{0}/{1}".format(str(sap_net[2]), sap_net.prefixlen) @@ -612,11 +625,11 @@ class Service(object): src_id = src_sap_id if dst_sap_id in self.saps_int: dst_id = dst_sap_id - src_name = self.vnf_id2vnf_name[src_id] - dst_name = self.vnf_id2vnf_name[dst_id] + #src_name = self.vnf_id2vnf_name[src_id] + #dst_name = self.vnf_id2vnf_name[dst_id] # re-configure the VNFs IP assignment and ensure that a new subnet is used for each E-Link - src_vnfi = self._get_vnf_instance(instance_uuid, src_name) - dst_vnfi = self._get_vnf_instance(instance_uuid, dst_name) + src_vnfi = self._get_vnf_instance(instance_uuid, src_id) + dst_vnfi = self._get_vnf_instance(instance_uuid, dst_id) if src_vnfi is not None and dst_vnfi is not None: eline_net = ELINE_SUBNETS.pop(0) ip1 = "{0}/{1}".format(str(eline_net[1]), eline_net.prefixlen) @@ -632,8 +645,8 @@ class Service(object): vnf_src_interface=src_if_name, vnf_dst_interface=dst_if_name, bidirectional=BIDIRECTIONAL_CHAIN, cmd="add-flow", cookie=cookie, priority=10) LOG.debug( - "Setting up E-Line link. %s(%s:%s) -> %s(%s:%s)" % ( - src_name, src_id, src_if_name, dst_name, dst_id, dst_if_name)) + "Setting up E-Line link. (%s:%s) -> (%s:%s)" % ( + src_id, src_if_name, dst_id, dst_if_name)) def _connect_elans(self, elan_fwd_links, instance_uuid): @@ -679,16 +692,16 @@ class Service(object): src_docker_name = vnf_sap_id vnf_id = vnf_sap_id - vnf_name = self.vnf_id2vnf_name[vnf_id] + #vnf_name = self.vnf_id2vnf_name[vnf_id] LOG.debug( "Setting up E-LAN interface. %s(%s:%s) -> %s" % ( - vnf_name, vnf_id, intf_name, ip_address)) + vnf_id, intf_name, ip_address)) - if vnf_name in self.vnfds: + if vnf_id in self.vnfds: # re-configure the VNFs IP assignment and ensure that a new subnet is used for each E-LAN # E-LAN relies on the learning switch capability of Ryu which has to be turned on in the topology # (DCNetwork(controller=RemoteController, enable_learning=True)), so no explicit chaining is necessary. - vnfi = self._get_vnf_instance(instance_uuid, vnf_name) + vnfi = self._get_vnf_instance(instance_uuid, vnf_id) if vnfi is not None: self._vnf_reconfigure_network(vnfi, intf_name, ip_address) # add this vnf and interface to the E-LAN for tagging @@ -877,10 +890,10 @@ class RoundRobinDcPlacementWithSAPs(object): eline_fwd_links = [l for l in vlinks if (l["connectivity_type"] == "E-Line")] elan_fwd_links = [l for l in vlinks if (l["connectivity_type"] == "E-LAN")] - vnf_id2vnf_name = defaultdict(lambda: "NotExistingNode", - reduce(lambda x, y: dict(x, **y), - map(lambda d: {d["vnf_id"]: d["vnf_name"]}, - nsd["network_functions"]))) + # vnf_id2vnf_name = defaultdict(lambda: "NotExistingNode", + # reduce(lambda x, y: dict(x, **y), + # map(lambda d: {d["vnf_id"]: d["vnf_name"]}, + # nsd["network_functions"]))) # SAPs on E-Line links are placed on the same DC as the VNF on the E-Line for link in eline_fwd_links: @@ -889,15 +902,15 @@ class RoundRobinDcPlacementWithSAPs(object): # check if there is a SAP in the link if src_sap_id in saps: - dst_vnf_name = vnf_id2vnf_name[dst_id] + #dst_vnf_name = vnf_id2vnf_name[dst_id] # get dc where connected vnf is mapped to - dc = vnfds[dst_vnf_name]['dc'] + dc = vnfds[dst_id]['dc'] saps[src_sap_id]['dc'] = dc if dst_sap_id in saps: - src_vnf_name = vnf_id2vnf_name[src_id] + #src_vnf_name = vnf_id2vnf_name[src_id] # get dc where connected vnf is mapped to - dc = vnfds[src_vnf_name]['dc'] + dc = vnfds[src_id]['dc'] saps[dst_sap_id]['dc'] = dc # SAPs on E-LANs are placed on a random DC