+ def _start_vnfd(self, vnfd):
+ """
+ Start a single VNFD of this service
+ :param vnfd: vnfd descriptor dict
+ :return:
+ """
+ # 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)
+ target_dc = vnfd.get("dc")
+ # 2. perform some checks to ensure we can start the container
+ assert(docker_name is not None)
+ assert(target_dc is not None)
+ if not self._check_docker_image_exists(docker_name):
+ raise Exception("Docker image %r not found. Abort." % docker_name)
+ # 3. do the dc.startCompute(name="foobar") call to run the container
+ # TODO consider flavors, and other annotations
+ intfs = vnfd.get("connection_points")
+ self.vnfname2num[vnf_name] = GK.get_next_vnf_name()
+ LOG.info("Starting %r as %r in DC %r" % (vnf_name, self.vnfname2num[vnf_name], vnfd.get("dc")))
+ LOG.debug("Interfaces for %r: %r" % (vnf_name, intfs))
+ vnfi = target_dc.startCompute(self.vnfname2num[vnf_name], network=intfs, image=docker_name, flavor_name="small")
+ return vnfi
+
+ def _trigger_emulator_start_scripts_in_vnfis(self, vnfi_list):
+ for vnfi in vnfi_list:
+ config = vnfi.dcinfo.get("Config", dict())
+ env = config.get("Env", list())
+ for env_var in env:
+ if "SON_EMU_CMD=" in env_var:
+ cmd = str(env_var.split("=")[1])
+ LOG.info("Executing entrypoint script in %r: %r" % (vnfi.name, cmd))
+ vnfi.cmdPrint(cmd)
+