Add provisioning proxy stub

geant_service_orchestrator/services/provisioning_proxy.py

+from geant_service_orchestrator import settings
+import requests
+
+
+def get_api_version(oss_params=settings.ANSIBLEParams):
+    r = requests.get(
+        f'{oss_params.host}'
+        f'/api/version'
+    )
+    r.raise_for_status()
+
+
+#
+# Some examples I want to keep around for now
+#
+#
+# def next_lag(router_name, oss_params=settings.OSSParams):
+#     r = requests.post(
+#         f'{oss_params.RESOURCE_MANAGER_API_PREFIX}'
+#         f'/api/interfaces/next-lag/{router_name}')
+#     r.raise_for_status()
+#     response = r.json()
+#     return response['name']
+#
+#
+# def next_physical(router_name, lag_name, oss_params=settings.OSSParams):
+#     # TODO: speed needed (if first interface)
+#     r = requests.post(
+#         f'{oss_params.RESOURCE_MANAGER_API_PREFIX}'
+#         f'/api/interfaces/next-physical/{router_name}/{lag_name}')
+#     r.raise_for_status()
+#     response = r.json()
+#     return response['name']

geant_service_orchestrator/settings.py

@@ -33,9 +33,16 @@ class IPAMParams(BaseSettings):
     GEANT_IP: ServiceNetworkParams
 
 
+class ANSIBLEParams(BaseSettings):
+    host: str
+    auth: str  # FIXME: unfinished
+    api_version: int
+
+
 class OSSParams(BaseSettings):
     IPAM: IPAMParams
     RESOURCE_MANAGER_API_PREFIX: str  # api prefix
+    ANSIBLE: ANSIBLEParams
 
 
 def load_oss_params() -> OSSParams: