chore: creating meta package for default auto instrumentations for node

.nycrc

@@ -9,7 +9,8 @@
     "karma.conf.js",
     "src/platform/browser/*.ts",
     "test/index-webpack.ts",
-    "webpack/*.js"
+    "webpack/*.js",
+    ".eslintrc.js"
   ],
   "all": true
 }

examples/meta-node/client.js

@@ -0,0 +1,27 @@
+'use strict';
+
+// eslint-disable-next-line import/order
+const tracer = require('./tracer')('example-express-client');
+const api = require('@opentelemetry/api');
+const axios = require('axios').default;
+
+function makeRequest() {
+  const span = tracer.startSpan('client.makeRequest()', {
+    kind: api.SpanKind.CLIENT,
+  });
+
+  api.context.with(api.setSpan(api.ROOT_CONTEXT, span), async () => {
+    try {
+      const res = await axios.get('http://localhost:8080/run_test');
+      span.setStatus({ code: api.SpanStatusCode.OK });
+      console.log(res.statusText);
+    } catch (e) {
+      span.setStatus({ code: api.SpanStatusCode.ERROR, message: e.message });
+    }
+    span.end();
+    console.log('Sleeping 5 seconds before shutdown to ensure all records are flushed.');
+    setTimeout(() => { console.log('Completed.'); }, 5000);
+  });
+}
+
+makeRequest();

examples/meta-node/package.json

@@ -0,0 +1,47 @@
+{
+  "name": "instrumentations-node-example",
+  "private": true,
+  "version": "0.14.0",
+  "description": "Example of using meta package for default auto instrumentations in node",
+  "main": "index.js",
+  "scripts": {
+    "lint": "eslint . --ext .js",
+    "lint:fix": "eslint . --ext .js --fix",
+    "zipkin:server": "cross-env EXPORTER=zipkin node ./server.js",
+    "zipkin:client": "cross-env EXPORTER=zipkin node ./client.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://[email protected]/open-telemetry/opentelemetry-js-contrib.git"
+  },
+  "keywords": [
+    "opentelemetry",
+    "instrumentations",
+    "plugins",
+    "tracing",
+    "instrumentation"
+  ],
+  "engines": {
+    "node": ">=8.5.0"
+  },
+  "author": "OpenTelemetry Authors",
+  "license": "Apache-2.0",
+  "bugs": {
+    "url": "https://github.com/open-telemetry/opentelemetry-js-contrib/issues"
+  },
+  "homepage": "https://github.com/open-telemetry/opentelemetry-js-contrib#readme",
+  "devDependencies": {
+    "cross-env": "^6.0.0",
+    "eslint": "^7.4.0"
+  },
+  "dependencies": {
+    "@opentelemetry/api": "^0.18.0",
+    "@opentelemetry/auto-instrumentations-node": "^0.14.0",
+    "@opentelemetry/exporter-collector": "^0.18.0",
+    "@opentelemetry/instrumentation": "^0.18.0",
+    "@opentelemetry/node": "^0.18.0",
+    "@opentelemetry/tracing": "^0.18.0",
+    "axios": "^0.21.1",
+    "express": "^4.17.1"
+  }
+}

examples/meta-node/server.js

@@ -0,0 +1,57 @@
+'use strict';
+
+// eslint-disable-next-line
+require('./tracer')('example-meta-node');
+
+// Require in rest of modules
+const express = require('express');
+const axios = require('axios').default;
+
+// Setup express
+const app = express();
+const PORT = 8080;
+
+const getCrudController = () => {
+  const router = express.Router();
+  const resources = [];
+  router.get('/', (req, res) => res.send(resources));
+  router.post('/', (req, res) => {
+    resources.push(req.body);
+    return res.status(201).send(req.body);
+  });
+  return router;
+};
+
+const authMiddleware = (req, res, next) => {
+  const { authorization } = req.headers;
+  if (authorization && authorization.includes('secret_token')) {
+    next();
+  } else {
+    res.sendStatus(401);
+  }
+};
+
+async function setupRoutes() {
+  app.use(express.json());
+
+  app.get('/run_test', async (req, res) => {
+    const createdCat = await axios.post(`http://localhost:${PORT}/cats`, {
+      name: 'Tom',
+      friends: [
+        'Jerry',
+      ],
+    }, {
+      headers: {
+        Authorization: 'secret_token',
+      },
+    });
+
+    return res.status(201).send(createdCat.data);
+  });
+  app.use('/cats', authMiddleware, getCrudController());
+}
+
+setupRoutes().then(() => {
+  app.listen(PORT);
+  console.log(`Listening on http://localhost:${PORT}`);
+});

examples/meta-node/tracer.js

@@ -0,0 +1,58 @@
+'use strict';
+
+const {
+  diag, trace, DiagConsoleLogger, DiagLogLevel,
+} = require('@opentelemetry/api');
+const { NodeTracerProvider } = require('@opentelemetry/node');
+const { getNodeAutoInstrumentations } = require('@opentelemetry/auto-instrumentations-node');
+const { CollectorTraceExporter } = require('@opentelemetry/exporter-collector');
+const { SimpleSpanProcessor } = require('@opentelemetry/tracing');
+const { registerInstrumentations } = require('@opentelemetry/instrumentation');
+
+module.exports = () => {
+  // enable  diag to see all messages
+  diag.setLogger(new DiagConsoleLogger(), DiagLogLevel.ALL);
+
+  const exporter = new CollectorTraceExporter({
+    serviceName: 'basic-service',
+  });
+
+  const provider = new NodeTracerProvider();
+  provider.addSpanProcessor(new SimpleSpanProcessor(exporter));
+  provider.register();
+
+  registerInstrumentations({
+    instrumentations: [
+      getNodeAutoInstrumentations({
+        '@opentelemetry/instrumentation-http': {
+          applyCustomAttributesOnSpan: (span) => {
+            span.setAttribute('foo2', 'bar2');
+          },
+        },
+      }),
+      // disable old plugins - this can be removed once plugins are deprecated
+      // and removed from registerInstrumentations
+      {
+        plugins: {
+          mongodb: { enabled: false, path: '@opentelemetry/plugin-mongodb' },
+          grpc: { enabled: false, path: '@opentelemetry/plugin-grpc' },
+          '@grpc/grpc-js': { enabled: false, path: '@opentelemetry/plugin-grpc-js' },
+          http: { enabled: false, path: '@opentelemetry/plugin-http' },
+          https: { enabled: false, path: '@opentelemetry/plugin-httsps' },
+          mysql: { enabled: false, path: '@opentelemetry/plugin-mysql' },
+          pg: { enabled: false, path: '@opentelemetry/plugin-pg' },
+          redis: { enabled: false, path: '@opentelemetry/plugin-redis' },
+          ioredis: { enabled: false, path: '@opentelemetry/plugin-ioredis' },
+          'pg-pool': { enabled: false, path: '@opentelemetry/plugin-pg-pool' },
+          express: { enabled: false, path: '@opentelemetry/plugin-express' },
+          '@hapi/hapi': { enabled: false, path: '@opentelemetry/hapi-instrumentation' },
+          koa: { enabled: false, path: '@opentelemetry/koa-instrumentation' },
+          dns: { enabled: false, path: '@opentelemetry/plugin-dns' },
+        },
+      },
+    ],
+    tracerProvider: provider,
+  });
+
+  return trace.getTracer('meta-node-example');
+};

metapackages/auto-instrumentations-node/.eslintignore

@@ -0,0 +1,2 @@
+build
+.eslintrc.js

metapackages/auto-instrumentations-node/.eslintrc.js

@@ -0,0 +1,8 @@
+module.exports = {
+    "env": {
+        "commonjs": true,
+        "node": true,
+        "mocha": true,
+    },
+    ...require('../../eslint.config.js')
+}

metapackages/auto-instrumentations-node/.npmignore

@@ -0,0 +1,4 @@
+/bin
+/coverage
+/doc
+/test