Initial commit for Health-API

.gitignore

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+__pycache__/
+*.py[cod]
+*$py.class
+.venv/
+venv/
+ENV/
+.env
+.DS_Store
+*.log

Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y gcc python3-dev && rm -rf /var/lib/apt/lists/*
+RUN pip install --no-cache-dir fastapi uvicorn psutil RPi.GPIO
+
+COPY main.py .
+
+ENV LUNA_API_TOKEN="luna-secret-2026"
+
+# We'll need to mount the host's script if we want to run blinking from the container, 
+# but for now let's just expose the stats. 
+# Alternatively, we could install what we need.
+
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

docker-compose.yml

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+services:
+  health-api:
+    build: .
+    restart: always
+    ports:
+      - "8000:8000"
+    env_file:
+      - .env
+    volumes:
+      - /root/flash_led.py:/root/flash_led.py
+      - /sys:/sys
+    privileged: true

main.py

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+import os
+import subprocess
+from fastapi import FastAPI, HTTPException, Header, Depends
+from typing import Optional
+import psutil
+
+app = FastAPI()
+
+# Get auth token from env (or default if not set)
+AUTH_TOKEN = os.getenv("LUNA_API_TOKEN", "fallback-secret-luna")
+
+def verify_token(x_token: str = Header(...)):
+    if x_token != AUTH_TOKEN:
+        raise HTTPException(status_code=403, detail="Unauthorized access")
+    return x_token
+
+@app.get("/status")
+def get_status():
+    net = psutil.net_io_counters()
+    return {
+        "cpu_usage": psutil.cpu_percent(interval=1),
+        "memory": psutil.virtual_memory()._asdict(),
+        "temperature": get_temp(),
+        "load_avg": os.getloadavg(),
+        "network": {
+            "bytes_sent": net.bytes_sent,
+            "bytes_recv": net.bytes_recv,
+            "packets_sent": net.packets_sent,
+            "packets_recv": net.packets_recv,
+            "errin": net.errin,
+            "errout": net.errout,
+            "dropin": net.dropin,
+            "dropout": net.dropout
+        }
+    }
+
+def get_temp():
+    try:
+        with open("/sys/class/thermal/thermal_zone0/temp", "r") as f:
+            return float(f.read()) / 1000.0
+    except:
+        return None
+
+@app.post("/led/blink")
+def blink_led(token: str = Depends(verify_token)):
+    try:
+        # Run the flash_led.py script according to the established protocol
+        subprocess.Popen(["python3", "/root/flash_led.py"])
+        return {"status": "LED blink triggered"}
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+
+@app.get("/health")
+def health():
+    return {"status": "online"}