feat: add codefresh.unhandled_errors metric

Author: masontikhonov

lib/index.js

@@ -2,9 +2,19 @@
 require('@codefresh-io/cf-telemetry/init');
 // ↓ Keep one blank line below to prevent automatic import reordering
 
+const otel = require('@codefresh-io/cf-telemetry/otel');
 const path = require('node:path');
 const cflogs = require('cf-logs');
 
+const unhandledErrorsTotal = otel.cf.getMeter().createCounter(
+    'codefresh.unhandled_errors',
+    {
+        description: 'Number of unhandled errors',
+        unit: '{unhandled_error}',
+        valueType: otel.api.ValueType.INT,
+    },
+);
+
 const loggerOptions = {
     filePath: path.join(__dirname, '../logs', 'logs.log'),
     console: process.env.LOG_TO_CONSOLE || false,
@@ -45,12 +55,14 @@ process.on('exit', (code) => {
 });
 
 process.on('uncaughtException', (error) => {
+    unhandledErrorsTotal.add(1, { 'cf.unhandled_error.type': 'uncaughtException' });
     console.log(`uncaughtException: ${error}`);
     logger.state.uncaughtException = error;
     logger._writeNewState();
 });
 
 process.on('unhandledRejection', (reason) => {
+    unhandledErrorsTotal.add(1, { 'cf.unhandled_error.type': 'unhandledRejection' });
     console.log(`unhandledRejection: ${reason}`);
     logger.state.unhandledRejection = reason;
     logger._writeNewState();