extension/src: collect third party tool usage

CL 661055 under review for x/telemetry change.

For golang/go#73036

Change-Id: I373d6217bdb206b967285c5ac3fddaba27cf2f67
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/661175
kokoro-CI: kokoro <[email protected]>
Reviewed-by: Robert Findley <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>
Auto-Submit: Hongxiang Jiang <[email protected]>

Author: h9jiang

extension/src/goGenerateTests.ts

@@ -19,6 +19,7 @@ import { outputChannel } from './goStatus';
 import { getBinPath, resolvePath } from './util';
 import { CommandFactory } from './commands';
 import { GoExtensionContext } from './context';
+import { TelemetryKey, telemetryReporter } from './goTelemetry';
 
 const generatedWord = 'Generated ';
 
@@ -165,6 +166,8 @@ function generateTests(
 	goConfig: vscode.WorkspaceConfiguration
 ): Promise<boolean> {
 	return new Promise<boolean>((resolve, reject) => {
+		telemetryReporter.add(TelemetryKey.TOOL_USAGE_GOTESTS, 1);
+
 		const cmd = getBinPath('gotests');
 		let args = ['-w'];
 		const goGenerateTestsFlags: string[] = goConfig['generateTestsFlags'] || [];

extension/src/goModifytags.ts

@@ -14,6 +14,7 @@ import { getGoConfig } from './config';
 import { toolExecutionEnvironment } from './goEnv';
 import { promptForMissingTool, promptForUpdatingTool } from './goInstallTools';
 import { byteOffsetAt, getBinPath, getFileArchive } from './util';
+import { TelemetryKey, telemetryReporter } from './goTelemetry';
 
 // Interface for the output from gomodifytags
 interface GomodifytagsOutput {
@@ -162,6 +163,8 @@ function getTagsAndOptions(config: GoTagsConfig, commandArgs: GoTagsConfig): The
 }
 
 function runGomodifytags(args: string[]) {
+	telemetryReporter.add(TelemetryKey.TOOL_USAGE_GOMODIFYTAGS, 1);
+
 	const gomodifytags = getBinPath('gomodifytags');
 	const editor = vscode.window.activeTextEditor;
 	if (!editor) {

extension/src/goPlayground.ts

@@ -12,6 +12,7 @@ import { outputChannel } from './goStatus';
 import { getBinPath } from './util';
 import vscode = require('vscode');
 import { CommandFactory } from './commands';
+import { TelemetryKey, telemetryReporter } from './goTelemetry';
 
 const TOOL_CMD_NAME = 'goplay';
 
@@ -46,6 +47,8 @@ export const playgroundCommand: CommandFactory = () => () => {
 };
 
 export function goPlay(code: string, goConfig?: vscode.WorkspaceConfiguration): Thenable<string> {
+	telemetryReporter.add(TelemetryKey.TOOL_USAGE_GOPLAY, 1);
+
 	const cliArgs = goConfig ? Object.keys(goConfig).map((key) => `-${key}=${goConfig[key]}`) : [];
 	const binaryLocation = getBinPath(TOOL_CMD_NAME);
 

extension/src/goTelemetry.ts

@@ -49,7 +49,12 @@ export enum TelemetryKey {
 	ACTIVATION_LATENCY_L_500MS = 'activation_latency:<500ms',
 	ACTIVATION_LATENCY_L_1000MS = 'activation_latency:<1000ms',
 	ACTIVATION_LATENCY_L_5000MS = 'activation_latency:<5000ms',
-	ACTIVATION_LATENCY_GE_5S = 'activation_latency:>=5s'
+	ACTIVATION_LATENCY_GE_5S = 'activation_latency:>=5s',
+
+	// Indicates the tools usage.
+	TOOL_USAGE_GOTESTS = 'vscode-go/tool/usage:gotests',
+	TOOL_USAGE_GOPLAY = 'vscode-go/tool/usage:goplay',
+	TOOL_USAGE_GOMODIFYTAGS = 'vscode-go/tool/usage:gomodifytags'
 }
 
 /**