Update oss-params and add call to provisioning proxy

gso/oss-params-example.json

 {
+  "GENERAL": {
+    "public_hostname": "https://gap.geant.org"
+  },
   "RESOURCE_MANAGER_API_PREFIX": "http://localhost:44444",
   "IPAM": {
     "INFOBLOX": {
@@ -22,4 +25,4 @@
     "auth": "Bearer <token>",
     "api_version": 1123
   }
-}
\ No newline at end of file
+}

gso/services/provisioning_proxy.py

 import logging
 
-from gso.products.product_types.device \
-    import DeviceBlock
+from gso.products.product_types.device import DeviceBlock
 from gso import settings
-# import requests
+import requests
 
 logger = logging.getLogger(__name__)
 
@@ -17,8 +16,13 @@ def provision_node(
 
     logger.debug(f'[disabled] provisioning node {node_subscription_params}')
 
-    # r = requests.get(
-    #     f'https://{pp_params.api_base}'
-    #     f'/api/version',
-    #     params=node_subscription_params.dict())
-    # r.raise_for_status()
+    parameters = {
+        'callback': oss.GENERAL.public_hostname,  # TODO: implement
+        'device': node_subscription_params.dict()
+    }
+
+    r = requests.post(
+        f'https://{pp_params.api_base}'
+        f'/api/device',
+        params=parameters)
+    r.raise_for_status()

gso/settings.py

@@ -4,6 +4,10 @@ import os
 from pydantic import BaseSettings
 
 
+class GeneralParams:
+    public_hostname: str
+
+
 class InfoBloxParams(BaseSettings):
     scheme: str
     wapi_version: str
@@ -40,6 +44,7 @@ class ProvisioningProxyParams(BaseSettings):
 
 
 class OSSParams(BaseSettings):
+    GENERAL: GeneralParams
     IPAM: IPAMParams
     RESOURCE_MANAGER_API_PREFIX: str  # api prefix
     PROVISIONING_PROXY: ProvisioningProxyParams