add hub-and-spoke diagrams to readme

capsulflask/spoke_api.py

@@ -1,4 +1,5 @@
 
+import aiohttp
 from flask import Blueprint
 from flask import current_app
 from flask import request
@@ -6,17 +7,19 @@ from werkzeug.exceptions import abort
 
 from capsulflask.db import get_model, my_exec_info_message
 
-bp = Blueprint("hosts", __name__, url_prefix="/hosts")
+bp = Blueprint("spoke", __name__, url_prefix="/spoke")
 
-def authorized_for_host(id):
+def authorized_as_hub(id):
   auth_header_value = request.headers.get('Authorization').replace("Bearer ", "")
-  return get_model().authorized_for_host(id, auth_header_value)
+  return auth_header_value == current_app.config["HUB_TOKEN"]
 
-@bp.route("/heartbeat/<string:id>", methods=("POST"))
-def heartbeat(id):
-  if authorized_for_host(id):
-    get_model().host_heartbeat(id)
+@bp.route("/heartbeat", methods=("POST"))
+def heartbeat():
+  if authorized_as_hub(id):
+    # make request to hub-domain.com/hub/heartbeat/{current_app.config["SPOKE_HOST_ID"]}
+    # succeed or fail based on whether the request succeeds or fails.
+    pass
   else:
-    current_app.logger.info(f"/hosts/heartbeat/{id} returned 401: invalid token")
-    return abort(401, "invalid host id or token")
+    current_app.logger.info(f"/hosts/heartbeat returned 401: invalid token")
+    return abort(401, "invalid hub token")