From 8484b9004cd990b4733700b211009258fc260fc5 Mon Sep 17 00:00:00 2001 From: peusterm Date: Tue, 21 Jun 2016 09:03:35 +0200 Subject: [PATCH] dummy GK now executes emulator specific entrypoint scripts specified in Dockerfiles. Closes #118. --- src/emuvim/api/sonata/README.md | 10 ++++++++++ src/emuvim/api/sonata/dummygatekeeper.py | 14 +++++++++++++- 2 files changed, 23 insertions(+), 1 deletion(-) diff --git a/src/emuvim/api/sonata/README.md b/src/emuvim/api/sonata/README.md index 6fdc5ce..d662f1e 100755 --- a/src/emuvim/api/sonata/README.md +++ b/src/emuvim/api/sonata/README.md @@ -37,6 +37,16 @@ To list all running services do: * `curl http://127.0.0.1:5000/instantiations` +## VNF Requirements + +A VNF container that is used with the dummy gatekeeper should specify a emulator specific entrypoint script in its Dockerfile: + +* `ENV SON_EMU_CMD ./start.sh` + +This script is called by the dummy gatekeeper after a VNF was started and the chaining was done. The script can then be used to trigger the execution of individual VNF software. + +ATTENTION: The specified script must not block! + ## API definition This page describes the dummy gatekeeper API. This gatekeeper fakes the original platform gatekeeper during development SDK tools like son-push. diff --git a/src/emuvim/api/sonata/dummygatekeeper.py b/src/emuvim/api/sonata/dummygatekeeper.py index c5de3cc..c6421dc 100755 --- a/src/emuvim/api/sonata/dummygatekeeper.py +++ b/src/emuvim/api/sonata/dummygatekeeper.py @@ -152,6 +152,9 @@ class Service(object): ret = network.setChain(src_vnf, dst_vnf, vnf_src_interface=src_port, vnf_dst_interface=dst_port, bidirectional = True, cmd="add-flow", cookie = cookie) cookie += 1 + # 4. run the emulator specific entrypoint scripts in the VNFIs of this service instance + self._trigger_emulator_start_scripts_in_vnfis(self.instances[instance_uuid]["vnf_instances"]) + LOG.info("Service started. Instance id: %r" % instance_uuid) return instance_uuid @@ -180,9 +183,18 @@ class Service(object): self.vnfname2num[vnf_name] = GK.get_next_vnf_name() LOG.info("VNF "+vnf_name+" mapped to "+self.vnfname2num[vnf_name]+" on dc "+str(vnfd.get("dc"))) vnfi = target_dc.startCompute(self.vnfname2num[vnf_name], network=intfs, image=docker_name, flavor_name="small") - # 6. store references to the compute objects in self.instances 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) + def _unpack_service_package(self): """ unzip *.son file and store contents in CATALOG_FOLDER/services// -- 2.17.1