Initial commit: LogMaster with Viewer Collector Monitor modes

send-test-logs.js

@@ -0,0 +1,51 @@
+// Sendet alle 500ms eine zufällige Log-Zeile an den Collector
+// Usage: node send-test-logs.js [stream-name] [collector-url]
+
+const http = require('http');
+
+const STREAM = process.argv[2] || 'demo-app';
+const BASE = process.argv[3] || 'http://localhost:8081';
+const url = new URL(`/collect/${STREAM}`, BASE);
+
+const levels = ['DEBUG', 'INFO', 'INFO', 'INFO', 'WARN', 'ERROR', 'FATAL'];
+const components = ['auth', 'db', 'http', 'cache', 'queue', 'api'];
+const messages = {
+  DEBUG: ['Cache hit for key user:42', 'Query took 12ms', 'GC pause 8ms', 'Pool stats: active=3 idle=7'],
+  INFO: ['Request GET /api/users 200 (45ms)', 'User login: admin@test.com', 'Job completed: sync-data', 'Health check OK'],
+  WARN: ['Slow query: 2340ms', 'Memory at 82%', 'Rate limit 90%', 'Retry attempt 2/3', 'Cert expires in 7 days'],
+  ERROR: ['Connection timeout', 'NullPointerException at line 42', '500 POST /api/orders', 'Disk write failed'],
+  FATAL: ['Database connection lost!', 'Out of memory!', 'Process crash - restarting'],
+};
+
+let count = 0;
+
+function sendLog() {
+  const level = levels[Math.floor(Math.random() * levels.length)];
+  const comp = components[Math.floor(Math.random() * components.length)];
+  const msgs = messages[level] || messages.INFO;
+  const msg = msgs[Math.floor(Math.random() * msgs.length)];
+  const ts = new Date().toISOString();
+  const line = `${ts} ${level.padEnd(5)} [${comp}] ${msg}`;
+
+  const data = line;
+  const req = http.request({
+    hostname: url.hostname,
+    port: url.port,
+    path: url.pathname,
+    method: 'POST',
+    headers: { 'Content-Type': 'text/plain' },
+  }, (res) => {
+    count++;
+    if (count % 10 === 0) process.stdout.write(`\r  Sent: ${count} logs to stream "${STREAM}"`);
+  });
+  req.on('error', (e) => console.error(`\n  Error: ${e.message}`));
+  req.write(data);
+  req.end();
+}
+
+console.log(`\n  📡 Sending dummy logs to ${BASE}/collect/${STREAM}`);
+console.log(`  Press Ctrl+C to stop\n`);
+
+// Send one immediately, then every 500ms
+sendLog();
+setInterval(sendLog, 500);