Add the CLI version to telemetry events

This adds the CLI version to telemetry command-usage events.

Note that the CLI server is created after the telemetry listener is
created. The first few telemetry events may have a "not-set" value for
the CLI version.

extensions/ql-vscode/src/common/vscode/commands.ts

@@ -75,7 +75,7 @@ export function registerCommandWithErrorHandling(
       return undefined;
     } finally {
       const executionTime = Date.now() - startTime;
-      telemetryListener?.sendCommandUsage(commandId, executionTime, error);
+      void telemetryListener?.sendCommandUsage(commandId, executionTime, error);
     }
   });
 }

extensions/ql-vscode/src/extension.ts

@@ -306,7 +306,7 @@ export async function activate(
 
   const distributionConfigListener = new DistributionConfigListener();
   await initializeLogging(ctx);
-  await initializeTelemetry(extension, ctx);
+  const telemetryListener = await initializeTelemetry(extension, ctx);
   addUnhandledRejectionListener();
   install();
 
@@ -395,6 +395,7 @@ export async function activate(
     variantAnalysisViewSerializer.onExtensionLoaded(
       codeQlExtension.variantAnalysisManager,
     );
+    telemetryListener.cli = codeQlExtension.cliServer;
   }
 
   return codeQlExtension;

extensions/ql-vscode/src/telemetry.ts

@@ -19,6 +19,7 @@ import { extLogger } from "./common";
 import { UserCancellationException } from "./progress";
 import { showBinaryChoiceWithUrlDialog } from "./helpers";
 import { RedactableError } from "./pure/errors";
+import { CodeQLCliServer } from "./cli";
 
 // Key is injected at build time through the APP_INSIGHTS_KEY environment variable.
 const key = "REPLACE-APP-INSIGHTS-KEY";
@@ -56,6 +57,8 @@ export class TelemetryListener extends ConfigListener {
 
   private reporter?: TelemetryReporter;
 
+  private _cli?: CodeQLCliServer;
+
   constructor(
     private readonly id: string,
     private readonly version: string,
@@ -147,7 +150,7 @@ export class TelemetryListener extends ConfigListener {
     void this.reporter?.dispose();
   }
 
-  sendCommandUsage(name: string, executionTime: number, error?: Error) {
+  async sendCommandUsage(name: string, executionTime: number, error?: Error) {
     if (!this.reporter) {
       return;
     }
@@ -157,12 +160,18 @@ export class TelemetryListener extends ConfigListener {
       ? CommandCompletion.Cancelled
       : CommandCompletion.Failed;
 
+    const cliVersion = this._cli
+      ? (await this._cli.getVersion()).toString()
+      : // telemetry events that are sent before the cli is initialized will not have a version number
+        "not-set";
+
     this.reporter.sendTelemetryEvent(
       "command-usage",
       {
         name,
         status,
         isCanary: isCanary().toString(),
+        cliVersion,
       },
       { executionTime },
     );
@@ -241,6 +250,10 @@ export class TelemetryListener extends ConfigListener {
     return this.reporter;
   }
 
+  set cli(cli: CodeQLCliServer) {
+    this._cli = cli;
+  }
+
   private disposeReporter() {
     if (this.reporter) {
       void this.reporter.dispose();
@@ -265,7 +278,7 @@ export let telemetryListener: TelemetryListener | undefined;
 export async function initializeTelemetry(
   extension: Extension<any>,
   ctx: ExtensionContext,
-): Promise<void> {
+): Promise<TelemetryListener> {
   if (telemetryListener !== undefined) {
     throw new Error("Telemetry is already initialized");
   }
@@ -279,4 +292,5 @@ export async function initializeTelemetry(
   // this is a particular problem during integration tests, which will hang if a modal popup is displayed.
   void telemetryListener.initialize();
   ctx.subscriptions.push(telemetryListener);
+  return telemetryListener;
 }

extensions/ql-vscode/test/vscode-tests/no-workspace/telemetry.test.ts

@@ -185,7 +185,7 @@ describe("telemetry reporting", () => {
   it("should send an event", async () => {
     await telemetryListener.initialize();
 
-    telemetryListener.sendCommandUsage("command-id", 1234, undefined);
+    await telemetryListener.sendCommandUsage("command-id", 1234, undefined);
 
     expect(sendTelemetryEventSpy).toHaveBeenCalledWith(
       "command-usage",
@@ -193,6 +193,7 @@ describe("telemetry reporting", () => {
         name: "command-id",
         status: "Success",
         isCanary,
+        cliVersion: "not-set",
       },
       { executionTime: 1234 },
     );
@@ -203,7 +204,7 @@ describe("telemetry reporting", () => {
   it("should send a command usage event with an error", async () => {
     await telemetryListener.initialize();
 
-    telemetryListener.sendCommandUsage(
+    await telemetryListener.sendCommandUsage(
       "command-id",
       1234,
       new UserCancellationException(),
@@ -215,6 +216,33 @@ describe("telemetry reporting", () => {
         name: "command-id",
         status: "Cancelled",
         isCanary,
+        cliVersion: "not-set",
+      },
+      { executionTime: 1234 },
+    );
+
+    expect(sendTelemetryExceptionSpy).not.toBeCalled();
+  });
+
+  it("should send a command usage event with a cli version", async () => {
+    await telemetryListener.initialize();
+    telemetryListener.cli = {
+      getVersion: () => Promise.resolve("1.2.3"),
+    } as any;
+
+    await telemetryListener.sendCommandUsage(
+      "command-id",
+      1234,
+      new UserCancellationException(),
+    );
+
+    expect(sendTelemetryEventSpy).toHaveBeenCalledWith(
+      "command-usage",
+      {
+        name: "command-id",
+        status: "Cancelled",
+        isCanary,
+        cliVersion: "1.2.3",
       },
       { executionTime: 1234 },
     );
@@ -226,8 +254,8 @@ describe("telemetry reporting", () => {
     await telemetryListener.initialize();
     await enableTelemetry("codeQL.telemetry", false);
 
-    telemetryListener.sendCommandUsage("command-id", 1234, undefined);
-    telemetryListener.sendCommandUsage("command-id", 1234, new Error());
+    await telemetryListener.sendCommandUsage("command-id", 1234, undefined);
+    await telemetryListener.sendCommandUsage("command-id", 1234, new Error());
 
     expect(sendTelemetryEventSpy).not.toBeCalled();
     expect(sendTelemetryExceptionSpy).not.toBeCalled();
@@ -238,7 +266,7 @@ describe("telemetry reporting", () => {
     await enableTelemetry("codeQL.telemetry", false);
     await enableTelemetry("codeQL.telemetry", true);
 
-    telemetryListener.sendCommandUsage("command-id", 1234, undefined);
+    await telemetryListener.sendCommandUsage("command-id", 1234, undefined);
 
     expect(sendTelemetryEventSpy).toHaveBeenCalledWith(
       "command-usage",
@@ -246,6 +274,7 @@ describe("telemetry reporting", () => {
         name: "command-id",
         status: "Success",
         isCanary,
+        cliVersion: "not-set",
       },
       { executionTime: 1234 },
     );