X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=osm_policy_module%2Fcommon%2Flcm_client.py;h=5085a860437f648ba25b63a293b7b11ae7d997f4;hb=cb5642a2af495af4319beb1dba2d417b78f3200a;hp=e8f79cf23d732137de8f64425f81ead91c0e9a61;hpb=3736ad8763cea8da9eedcb45392f97b470a9ad8c;p=osm%2FPOL.git

diff --git a/osm_policy_module/common/lcm_client.py b/osm_policy_module/common/lcm_client.py
index e8f79cf..5085a86 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 +47,55 @@ class LcmClient:
             loop = asyncio.get_event_loop()
         self.loop = loop
 
-    async def scale(self, nsr_id: str, scaling_group_name: str, vnf_member_index: str, action: str):
-        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)
+    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
+        )
+        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.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: str, 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 = {
@@ -60,10 +104,10 @@ class LcmClient:
                 "scaleVnfType": action.upper(),
                 "scaleByStepData": {
                     "scaling-group-descriptor": scaling_group_name,
-                    "member-vnf-index": vnf_member_index
-                }
+                    "member-vnf-index": vnf_member_index,
+                },
             },
-            "scaleTime": "{}Z".format(datetime.datetime.utcnow().isoformat())
+            "scaleTime": "{}Z".format(datetime.datetime.utcnow().isoformat()),
         }
 
         nslcmop = {
@@ -80,6 +124,10 @@ 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