From 47876357ed33036a9bab2cf8f6ec3aff8f1f4f48 Mon Sep 17 00:00:00 2001
From: Joao Moreno <jomo@microsoft.com>
Date: Thu, 18 Aug 2016 14:10:53 +0200
Subject: [PATCH] add telemetry for marketplace CDN fallback code

related to #10180
---
 .../extensionManagement/node/extensionGalleryService.ts  | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/vs/platform/extensionManagement/node/extensionGalleryService.ts b/src/vs/platform/extensionManagement/node/extensionGalleryService.ts
index 37150016d94..2c01d130461 100644
--- a/src/vs/platform/extensionManagement/node/extensionGalleryService.ts
+++ b/src/vs/platform/extensionManagement/node/extensionGalleryService.ts
@@ -361,9 +361,14 @@ export class ExtensionGalleryService implements IExtensionGalleryService {
 		parsedUrl.search = undefined;
 		parsedUrl.query['redirect'] = 'true';
 
-		return this.requestService.request(assign({}, options, { url: url.format(parsedUrl) }))
+		const cdnUrl = url.format(parsedUrl);
+
+		return this.requestService.request(assign({}, options, { url: cdnUrl }))
 			.then(context => context.res.statusCode === 200 ? context : TPromise.wrapError('expected 200'))
-			.then(null, () => this.requestService.request(options));
+			.then(null, () => {
+				this.telemetryService.publicLog('galleryService:cdnFallback', { url: cdnUrl });
+				return this.requestService.request(options);
+			});
 	}
 
 	private getLastValidExtensionVersion(extension: IRawGalleryExtension, versions: IRawGalleryExtensionVersion[]): TPromise<IRawGalleryExtensionVersion> {