Migrate exporter-collector-grpc to grpc-js (#2092)

Co-authored-by: Daniel Radetsky <dradetsky@gmail.com>
Co-authored-by: Valentin Marchaud <contact@vmarchaud.fr>

examples/grpc-js/package.json

@@ -28,7 +28,7 @@
     "url": "https://github.com/open-telemetry/opentelemetry-js/issues"
   },
   "dependencies": {
-    "@grpc/grpc-js": "^1.0.5",
+    "@grpc/grpc-js": "^1.2.12",
     "@opentelemetry/api": "^1.0.0-rc.0",
     "@opentelemetry/exporter-jaeger": "^0.18.2",
     "@opentelemetry/exporter-zipkin": "^0.18.2",

packages/opentelemetry-exporter-collector-grpc/package.json

@@ -67,12 +67,12 @@
     "@opentelemetry/api": "^1.0.0-rc.0"
   },
   "dependencies": {
+    "@grpc/grpc-js": "^1.2.12",
     "@grpc/proto-loader": "^0.5.4",
     "@opentelemetry/core": "0.18.2",
     "@opentelemetry/exporter-collector": "0.18.2",
     "@opentelemetry/metrics": "0.18.2",
     "@opentelemetry/resources": "0.18.2",
-    "@opentelemetry/tracing": "0.18.2",
-    "grpc": "^1.24.2"
+    "@opentelemetry/tracing": "0.18.2"
   }
 }

packages/opentelemetry-exporter-collector-grpc/src/CollectorExporterNodeBase.ts

@@ -19,7 +19,7 @@ import {
   CollectorExporterBase,
   collectorTypes,
 } from '@opentelemetry/exporter-collector';
-import type { Metadata } from 'grpc';
+import type { Metadata } from '@grpc/grpc-js';
 import {
   CollectorExporterConfigNode,
   GRPCQueueItem,

packages/opentelemetry-exporter-collector-grpc/src/types.ts

@@ -15,7 +15,7 @@
  */
 
 import { collectorTypes } from '@opentelemetry/exporter-collector';
-import * as grpc from 'grpc';
+import * as grpc from '@grpc/grpc-js';
 
 /**
  * Queue item to be used to save temporary spans/metrics in case the GRPC service

packages/opentelemetry-exporter-collector-grpc/src/util.ts

@@ -17,7 +17,7 @@
 import { diag } from '@opentelemetry/api';
 import * as protoLoader from '@grpc/proto-loader';
 import { collectorTypes } from '@opentelemetry/exporter-collector';
-import * as grpc from 'grpc';
+import * as grpc from '@grpc/grpc-js';
 import * as path from 'path';
 
 import {
@@ -82,7 +82,7 @@ export function send<ExportItem, ServiceRequest>(
 
     collector.serviceClient.export(
       serviceRequest,
-      collector.metadata,
+      collector.metadata || new grpc.Metadata(),
       (err: collectorTypes.ExportServiceError) => {
         if (err) {
           diag.error('Service request', serviceRequest);

packages/opentelemetry-exporter-collector-grpc/test/CollectorMetricExporter.test.ts

@@ -25,7 +25,7 @@ import { collectorTypes } from '@opentelemetry/exporter-collector';
 import * as metrics from '@opentelemetry/metrics';
 import * as assert from 'assert';
 import * as fs from 'fs';
-import * as grpc from 'grpc';
+import * as grpc from '@grpc/grpc-js';
 import * as path from 'path';
 import * as sinon from 'sinon';
 import { CollectorMetricExporter } from '../src';
@@ -109,9 +109,10 @@ const testCollectorMetricExporter = (params: TestParams) =>
                 ]
               )
             : grpc.ServerCredentials.createInsecure();
-          server.bind(address, credentials);
-          server.start();
-          done();
+          server.bindAsync(address, credentials, () => {
+            server.start();
+            done();
+          });
         });
     });
 

packages/opentelemetry-exporter-collector-grpc/test/CollectorTraceExporter.test.ts

@@ -24,7 +24,7 @@ import {
 
 import * as assert from 'assert';
 import * as fs from 'fs';
-import * as grpc from 'grpc';
+import * as grpc from '@grpc/grpc-js';
 import * as path from 'path';
 import * as sinon from 'sinon';
 import { CollectorTraceExporter } from '../src';
@@ -104,9 +104,10 @@ const testCollectorExporter = (params: TestParams) =>
                 ]
               )
             : grpc.ServerCredentials.createInsecure();
-          server.bind(address, credentials);
-          server.start();
-          done();
+          server.bindAsync(address, credentials, () => {
+            server.start();
+            done();
+          });
         });
     });
 

packages/opentelemetry-exporter-collector-grpc/test/helper.ts

@@ -27,7 +27,7 @@ import * as metrics from '@opentelemetry/metrics';
 import { Resource } from '@opentelemetry/resources';
 import { ReadableSpan } from '@opentelemetry/tracing';
 import * as assert from 'assert';
-import * as grpc from 'grpc';
+import * as grpc from '@grpc/grpc-js';
 
 const meterProvider = new metrics.MeterProvider({
   interval: 30000,