Header to toggle full response

main.py

@@ -1,10 +1,14 @@
+import platform
+import socket
+
 from fastapi import FastAPI, Header, Request
+import netifaces
 
 app = FastAPI()
 
 @app.get("/")
-def root(request: Request):
+def root(request: Request, x_full_response: bool = Header(False)):
-    return {
+    response = {
         "method": request.method,
         "url": {
             "url": request.url._url,
@@ -18,4 +22,30 @@ def root(request: Request):
             "ip-address": request.client.host,
             "port": request.client.port,
         },
+        "host": {
+            "hostname": platform.node(),
+            "fqdn": socket.getfqdn(),
         }
+    }
+    if not x_full_response:
+        return response
+
+    interfaces = {}
+    for interface in netifaces.interfaces():
+        interfaces[interface] = []
+        for link in netifaces.ifaddresses(interface).values():
+            for group in link:
+                interfaces[interface].append(group['addr'])
+
+    response["host"].update({
+        "python": platform.python_version(),
+
+        "os": {
+            "system": platform.system(),
+            "release": platform.release(),
+            "version": platform.version(),
+        },
+
+        "ip-addresses": interfaces,
+    })
+    return response

requirements.txt

@@ -2,9 +2,11 @@ anyio==3.5.0
 asgiref==3.5.0
 click==8.0.3
 fastapi==0.73.0
+gunicorn==20.1.0
 h11==0.13.0
 httptools==0.3.0
 idna==3.3
+netifaces==0.11.0
 pydantic==1.9.0
 python-dotenv==0.19.2
 PyYAML==6.0