chore: removing force flush (open-telemetry#916)

Co-authored-by: Mayur Kale <mayurkale@google.com>

Author: obecny

packages/opentelemetry-exporter-jaeger/package.json

@@ -15,7 +15,8 @@
     "precompile": "tsc --version",
     "version:update": "node ../../scripts/version-update.js",
     "compile": "npm run version:update && tsc -p .",
-    "prepare": "npm run compile"
+    "prepare": "npm run compile",
+    "watch": "tsc -w"
   },
   "keywords": [
     "opentelemetry",

packages/opentelemetry-exporter-jaeger/src/jaeger.ts

@@ -29,14 +29,11 @@ export class JaegerExporter implements SpanExporter {
   private readonly _logger: api.Logger;
   private readonly _process: jaegerTypes.ThriftProcess;
   private readonly _sender: typeof jaegerTypes.UDPSender;
-  private readonly _forceFlushOnShutdown: boolean = true;
   private readonly _onShutdownFlushTimeout: number;
 
   constructor(config: jaegerTypes.ExporterConfig) {
     this._logger = config.logger || new NoopLogger();
     const tags: jaegerTypes.Tag[] = config.tags || [];
-    this._forceFlushOnShutdown =
-      typeof config.forceFlush === 'boolean' ? config.forceFlush : true;
     this._onShutdownFlushTimeout =
       typeof config.flushTimeout === 'number' ? config.flushTimeout : 2000;
 
@@ -69,7 +66,6 @@ export class JaegerExporter implements SpanExporter {
 
   /** Shutdown exporter. */
   shutdown(): void {
-    if (!this._forceFlushOnShutdown) return;
     // Make an optimistic flush.
     this._flush();
     // Sleeping x seconds before closing the sender's connection to ensure

packages/opentelemetry-exporter-jaeger/src/types.ts

@@ -26,8 +26,6 @@ export interface ExporterConfig {
   host?: string; // default: 'localhost'
   port?: number; // default: 6832
   maxPacketSize?: number; // default: 65000
-  /** Force a flush on shutdown */
-  forceFlush?: boolean; // default: true
   /** Time to wait for an onShutdown flush to finish before closing the sender */
   flushTimeout?: number; // default: 2000
 }

packages/opentelemetry-exporter-jaeger/test/jaeger.test.ts

@@ -54,40 +54,26 @@ describe('JaegerExporter', () => {
       assert.strictEqual(process.tags[0].vStr, '0.1.0');
     });
 
-    it('should construct an exporter with forceFlush and flushTimeout', () => {
+    it('should construct an exporter with flushTimeout', () => {
       const exporter = new JaegerExporter({
         serviceName: 'opentelemetry',
-        forceFlush: true,
         flushTimeout: 5000,
       });
       assert.ok(typeof exporter.export === 'function');
       assert.ok(typeof exporter.shutdown === 'function');
 
-      assert.ok(exporter['_forceFlushOnShutdown']);
       assert.strictEqual(exporter['_onShutdownFlushTimeout'], 5000);
     });
 
-    it('should construct an exporter without forceFlush and flushTimeout', () => {
+    it('should construct an exporter without flushTimeout', () => {
       const exporter = new JaegerExporter({
         serviceName: 'opentelemetry',
       });
       assert.ok(typeof exporter.export === 'function');
       assert.ok(typeof exporter.shutdown === 'function');
 
-      assert.ok(exporter['_forceFlushOnShutdown']);
       assert.strictEqual(exporter['_onShutdownFlushTimeout'], 2000);
     });
-
-    it('should construct an exporter with forceFlush = false', () => {
-      const exporter = new JaegerExporter({
-        serviceName: 'opentelemetry',
-        forceFlush: false,
-      });
-      assert.ok(typeof exporter.export === 'function');
-      assert.ok(typeof exporter.shutdown === 'function');
-
-      assert.ok(!exporter['_forceFlushOnShutdown']);
-    });
   });
 
   describe('export', () => {