X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_policy_module%2Fcommon%2Flcm_client.py;h=089e5417a40d0648726434a47b17f3e967b9fed9;hb=87c4af90c63a6b53f92fd84f20c2a29187db5765;hp=2efa241a0ac009367f6211828c7914b4d71d362f;hpb=a14cf16181c8b39f12c872c486e0b292c0068944;p=osm%2FPOL.git diff --git a/osm_policy_module/common/lcm_client.py b/osm_policy_module/common/lcm_client.py index 2efa241..089e541 100644 --- a/osm_policy_module/common/lcm_client.py +++ b/osm_policy_module/common/lcm_client.py @@ -36,6 +36,10 @@ log = logging.getLogger(__name__) class LcmClient: + """ + Client to communicate with LCM through the message bus. + """ + def __init__(self, config: Config, loop=None): self.db_client = CommonDbClient(config) self.msg_bus = MessageBusClient(config) @@ -43,15 +47,35 @@ class LcmClient: loop = asyncio.get_event_loop() self.loop = loop - async def scale(self, nsr_id: str, scaling_group_name: str, vnf_member_index: int, action: str): + async def scale(self, nsr_id: str, scaling_group_name: str, vnf_member_index: str, action: str): + """ + Sends scaling action to LCM through the message bus. + + :param nsr_id: Network service record id + :param scaling_group_name: Scaling group name + :param vnf_member_index: VNF member index + :param action: Scaling action to be executed. Valid values: scale_in, scale_out + :return: + """ log.debug("scale %s %s %s %s", nsr_id, scaling_group_name, vnf_member_index, action) - nslcmop = self._generate_nslcmop(nsr_id, scaling_group_name, vnf_member_index, action) + nsr = self.db_client.get_nsr(nsr_id) + nslcmop = self._generate_nslcmop(nsr_id, scaling_group_name, vnf_member_index, action, nsr['_admin']) self.db_client.create_nslcmop(nslcmop) - log.info("Sending scale action message: %s", json.dumps(nslcmop)) + log.debug("Sending scale action message: %s", json.dumps(nslcmop)) await self.msg_bus.aiowrite("ns", "scale", nslcmop) - def _generate_nslcmop(self, nsr_id: str, scaling_group_name: str, vnf_member_index: int, action: str): - log.debug("_generate_nslcmop %s %s %s %s", nsr_id, scaling_group_name, vnf_member_index, action) + def _generate_nslcmop(self, nsr_id: str, scaling_group_name: str, vnf_member_index: str, action: str, admin: dict): + """ + Builds scaling nslcmop. + + :param nsr_id: Network service record id + :param scaling_group_name: Scaling group name + :param vnf_member_index: VNF member index + :param action: Scaling action to be executed. Valid values: scale_in, scale_out + :param admin: Dict corresponding to the _admin section of the nsr. Required keys: projects_read, projects_write. + :return: + """ + log.debug("_generate_nslcmop %s %s %s %s %s", nsr_id, scaling_group_name, vnf_member_index, action, admin) _id = str(uuid.uuid4()) now = time.time() params = { @@ -60,7 +84,7 @@ class LcmClient: "scaleVnfType": action.upper(), "scaleByStepData": { "scaling-group-descriptor": scaling_group_name, - "member-vnf-index": str(vnf_member_index) + "member-vnf-index": vnf_member_index } }, "scaleTime": "{}Z".format(datetime.datetime.utcnow().isoformat()) @@ -80,6 +104,10 @@ class LcmClient: "links": { "self": "/osm/nslcm/v1/ns_lcm_op_occs/" + _id, "nsInstance": "/osm/nslcm/v1/ns_instances/" + nsr_id, + }, + "_admin": { + "projects_read": admin['projects_read'], + "projects_write": admin['projects_write'] } } return nslcmop