Record if certain extensions are installed

TELEMETRY.md

@@ -23,6 +23,10 @@ If you have already opted out of sending telemetry in Visual Studio Code then no
 - Docker version
 - function names and parameters for diagnosing errors and crashes
 - error messages when the language server is unable to start or is crashing
+- if certain extensions are also installed
+  - [Microsoft's Container Tools extension](https://marketplace.visualstudio.com/items?itemName=ms-azuretools.vscode-containers)
+  - [Microsoft's Docker extension](https://marketplace.visualstudio.com/items?itemName=ms-azuretools.vscode-docker)
+  - [Red Hat's YAML extension](https://marketplace.visualstudio.com/items?itemName=redhat.vscode-yaml)
 
 The list above does _not_ include any telemetry collected by the [Docker Language Server](https://github.com/docker/docker-language-server). For telemetry collected by the Docker Language Server, please refer to the telemetry documentation of that project.
 

src/extension.ts

@@ -211,6 +211,15 @@ function listenForConfigurationChanges(ctx: vscode.ExtensionContext) {
 }
 
 function recordVersionTelemetry() {
+  const installedExtensions = vscode.extensions.all
+    .filter((extension) => {
+      return (
+        extension.id === 'ms-azuretools.vscode-docker' ||
+        extension.id === 'ms-azuretools.vscode-containers' ||
+        extension.id === 'redhat.vscode-yaml'
+      );
+    })
+    .map((extension) => extension.id);
   let versionString: string | null = null;
   const process = spawn('docker', ['-v']);
   process.stdout.on('data', (data) => {
@@ -223,17 +232,20 @@ function recordVersionTelemetry() {
     // this happens if docker cannot be found on the PATH
     queueTelemetryEvent(EVENT_CLIENT_HEARTBEAT, false, {
       docker_version: 'spawn docker -v failed',
+      installedExtensions,
     });
     publishTelemetry();
   });
   process.on('exit', (code) => {
     if (code === 0) {
       queueTelemetryEvent(EVENT_CLIENT_HEARTBEAT, false, {
         docker_version: String(versionString),
+        installedExtensions,
       });
     } else {
       queueTelemetryEvent(EVENT_CLIENT_HEARTBEAT, false, {
         docker_version: String(code),
+        installedExtensions,
       });
     }
     publishTelemetry();

src/telemetry/client.ts

@@ -9,15 +9,15 @@ interface TelemetryRecord {
   event: string;
   source: string;
   event_timestamp: number;
-  properties: { [key: string]: boolean | number | string | undefined };
+  properties: { [key: string]: boolean | number | string | object | undefined };
 }
 
 const events: TelemetryRecord[] = [];
 
 export function queueTelemetryEvent(
   event: string,
   error: boolean,
-  properties: { [key: string]: boolean | number | string | undefined },
+  properties: { [key: string]: boolean | number | string | object | undefined },
 ) {
   if (!vscode.env.isTelemetryEnabled) {
     return;