updated

Flask-monitoring/app.py

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+from flask import Flask, request, jsonify, render_template, redirect, url_for
+from flask_sqlalchemy import SQLAlchemy
+from datetime import datetime, timedelta
+import os
+
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///logs.db'
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+db = SQLAlchemy(app)
+
+class Log(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    hostname = db.Column(db.String(100), nullable=False)
+    message = db.Column(db.String(500), nullable=False)
+    timestamp = db.Column(db.DateTime, default=datetime.utcnow)
+
+# Create the database if it does not exist
+if not os.path.exists('instance/logs.db'):
+    with app.app_context():
+        db.create_all()
+
+# Flag to check if tables are created
+tables_created = False
+
+@app.before_request
+def create_tables():
+    global tables_created
+    if not tables_created:
+        db.create_all()
+        tables_created = True
+
+@app.route('/log', methods=['POST'])
+def log_message():
+    data = request.get_json()
+    hostname = data.get('hostname')
+    message = data.get('message')
+    if hostname and message:
+        new_log = Log(hostname=hostname, message=message)
+        db.session.add(new_log)
+        db.session.commit()
+        return jsonify({'status': 'success', 'message': 'Log saved'}), 201
+    return jsonify({'status': 'error', 'message': 'Invalid data'}), 400
+
+@app.route('/logs', methods=['GET'])
+def get_logs():
+    logs = Log.query.all()
+    return jsonify([{'id': log.id, 'hostname': log.hostname, 'message': log.message, 'timestamp': log.timestamp} for log in logs])
+
+@app.route('/cleanup', methods=['DELETE'])
+def cleanup_logs():
+    cutoff_date = datetime.utcnow() - timedelta(days=10)
+    Log.query.filter(Log.timestamp < cutoff_date).delete()
+    db.session.commit()
+    return jsonify({'status': 'success', 'message': 'Old logs deleted'})
+
+@app.route('/')
+def index():
+    # Get the latest log entry for each board
+    latest_logs = db.session.query(Log).order_by(Log.timestamp.desc()).all()
+    boards = {}
+    for log in latest_logs:
+        if log.hostname not in boards:
+            boards[log.hostname] = log
+
+    # Determine the status of each board
+    board_status = []
+    for hostname, log in boards.items():
+        time_diff = datetime.utcnow() - log.timestamp
+        status = 'Online' if time_diff.total_seconds() <= 20 else 'Possible Offline'
+        board_status.append({'hostname': hostname, 'status': status, 'last_seen': log.timestamp})
+
+    return render_template('index.html', boards=board_status)
+
+@app.route('/board/<hostname>')
+def view_board(hostname):
+    logs = Log.query.filter_by(hostname=hostname).order_by(Log.timestamp.desc()).all()
+    return render_template('board.html', hostname=hostname, logs=logs)
+
+@app.route('/delete_board/<hostname>', methods=['POST'])
+def delete_board(hostname):
+    Log.query.filter_by(hostname=hostname).delete()
+    db.session.commit()
+    return redirect(url_for('index'))
+
+@app.route('/board/<hostname>/logs', methods=['GET'])
+def get_board_logs(hostname):
+    logs = Log.query.filter_by(hostname=hostname).order_by(Log.timestamp.desc()).all()
+    return jsonify({'logs': [{'timestamp': log.timestamp, 'message': log.message} for log in logs]})
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=5000)