Initial commit

shared/logs.js

@@ -0,0 +1,71 @@
+const path = require('path');
+const { logsDir } = require('./paths');
+const { appendJsonLine } = require('./fs');
+
+const SECRET_PATTERNS = ['token', 'secret', 'password', 'authorization'];
+
+function sanitizeValue(value) {
+  if (Array.isArray(value)) {
+    return value.map(sanitizeValue);
+  }
+
+  if (!value || typeof value !== 'object') {
+    return value;
+  }
+
+  return Object.fromEntries(
+    Object.entries(value).map(([key, entryValue]) => {
+      const lower = key.toLowerCase();
+
+      if (SECRET_PATTERNS.some((pattern) => lower.includes(pattern))) {
+        return [key, '[redacted]'];
+      }
+
+      return [key, sanitizeValue(entryValue)];
+    })
+  );
+}
+
+function dayString(timestamp) {
+  return timestamp.slice(0, 10);
+}
+
+async function log(entry) {
+  const timestamp = new Date().toISOString();
+  const logEntry = {
+    timestamp,
+    level: entry.level || 'info',
+    service: entry.service,
+    node_id: entry.node_id || null,
+    tenant_id: entry.tenant_id || null,
+    request_id: entry.request_id || null,
+    correlation_id: entry.correlation_id || null,
+    action: entry.action || 'unknown',
+    result: entry.result || 'unknown',
+    metadata: sanitizeValue(entry.metadata || {}),
+  };
+
+  await appendJsonLine(path.join(logsDir, dayString(timestamp), `${logEntry.service}.ndjson`), logEntry);
+  process.stdout.write(`${JSON.stringify(logEntry)}\n`);
+  return logEntry;
+}
+
+function createLogger(baseFields) {
+  return {
+    info(action, result, metadata) {
+      return log({ ...baseFields, level: 'info', action, result, metadata });
+    },
+    warn(action, result, metadata) {
+      return log({ ...baseFields, level: 'warn', action, result, metadata });
+    },
+    error(action, result, metadata) {
+      return log({ ...baseFields, level: 'error', action, result, metadata });
+    },
+  };
+}
+
+module.exports = {
+  log,
+  createLogger,
+};
+