Initial Release

Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install Flask
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy app code
+COPY app.py .
+
+# Expose port
+EXPOSE 8000
+
+# Run the Flask app
+CMD ["python", "app.py"]

app.py

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+from flask import Flask, Response
+import re
+
+app = Flask(__name__)
+
+HEALTHY_PATTERN = re.compile(r'\[UU\]')
+
+@app.route('/')
+def check_raid():
+    try:
+        with open('/proc_host/mdstat', 'r') as f:
+            mdstat = f.read()
+
+        if HEALTHY_PATTERN.search(mdstat):
+            return Response("RAID OK", status=200)
+        else:
+            return Response("RAID DEGRADED", status=500)
+
+    except Exception as e:
+        return Response(f"Error checking RAID status: {str(e)}", status=500)
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=8000)

requirements.txt

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+flask