feat :

--FAST API AGENT

main.py

@@ -0,0 +1,128 @@
+import os
+import uvicorn
+from dotenv import load_dotenv
+from fastapi import FastAPI,Depends, Header, HTTPException, status
+import psycopg2
+from jwt import ExpiredSignatureError, InvalidTokenError
+import jwt
+load_dotenv()
+app = FastAPI()
+
+SECRET_KEY = os.getenv("SECRET_KEY")
+ALGORITHM = os.getenv("ALGORITHM", "HS256")
+
+
+
+
+def verify_token(
+    authorization: str = Header(None),
+):
+
+    if not authorization:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Authorization header missing",
+            headers={
+                "WWW-Authenticate": "Bearer"
+            },
+        )
+
+    parts = authorization.split()
+
+    if len(parts) != 2:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid Authorization header",
+        )
+
+    scheme = parts[0]
+    token = parts[1]
+
+    if scheme.lower() != "bearer":
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Authorization scheme must be Bearer",
+        )
+
+    try:
+
+        payload = jwt.decode(
+            token,
+            SECRET_KEY,
+            algorithms=[ALGORITHM],
+        )
+
+        return payload
+
+    except ExpiredSignatureError:
+
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Token expired",
+        )
+
+    except InvalidTokenError:
+
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED,
+            detail="Invalid token",
+        )
+ 
+
+
+
+
+
+@app.get("/")
+def root():
+    return {"message": "PostgreSQL Agent is running"}
+
+
+
+if __name__ == "__main__":
+    host = os.getenv("HOST", "127.0.0.1")
+    port = int(os.getenv("PORT", 9000))
+
+    uvicorn.run(
+        "main:app",
+        host=host,
+        port=port,
+        reload=True
+    )
+
+
+
+DB_CONFIG = {
+    "host": "172.16.10.178",
+    "port": 5444,
+    "dbname": "postgres",
+    "user": "postgres",
+    "password": "postgres",
+    "connect_timeout": 3,
+}
+
+NODE_NAME = "node3"
+
+
+@app.get("/node/status")
+def node_status(token_data=Depends(verify_token)):
+
+    try:
+        conn = psycopg2.connect(**DB_CONFIG)
+
+        conn.close()
+
+        return {
+            "node": NODE_NAME,
+            "online": True,
+            "status": "online"
+        }
+
+    except Exception as e:
+
+        return {
+            "node": NODE_NAME,
+            "online": False,
+            "status": "offline",
+            "error": str(e)
+        }