chore: add distro info to telemetry on linux (microsoft#185261)

Author: deepak1556

.eslintrc.json

@@ -233,6 +233,7 @@
 							"electron",
 							"events",
 							"fs",
+							"fs/promises",
 							"graceful-fs",
 							"http",
 							"https",
@@ -244,6 +245,7 @@
 							"os",
 							"path",
 							"perf_hooks",
+							"readline",
 							"stream",
 							"string_decoder",
 							"tas-client-umd",

src/vs/base/node/osReleaseInfo.ts

@@ -0,0 +1,73 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { constants as FSConstants } from 'fs';
+import { open, FileHandle } from 'fs/promises';
+import { createInterface as readLines } from 'readline';
+import * as Platform from 'vs/base/common/platform';
+
+type ReleaseInfo = {
+	id: string;
+	id_like?: string;
+	version_id?: string;
+};
+
+export async function getOSReleaseInfo(errorLogger: (error: any) => void): Promise<ReleaseInfo | undefined> {
+	if (Platform.isMacintosh || Platform.isWindows) {
+		return;
+	}
+
+	// Extract release information on linux based systems
+	// using the identifiers specified in
+	// https://www.freedesktop.org/software/systemd/man/os-release.html
+	let handle: FileHandle | undefined;
+	for (const filePath of ['/etc/os-release', '/usr/lib/os-release', '/etc/lsb-release']) {
+		try {
+			handle = await open(filePath, FSConstants.R_OK);
+			break;
+		} catch (err) { }
+	}
+
+	if (!handle) {
+		errorLogger('Unable to retrieve release information from known identifier paths.');
+		return;
+	}
+
+	try {
+		const osReleaseKeys = new Set([
+			'ID',
+			'DISTRIB_ID',
+			'ID_LIKE',
+			'VERSION_ID',
+			'DISTRIB_RELEASE',
+		]);
+		const releaseInfo: ReleaseInfo = {
+			id: 'unknown'
+		};
+
+		for await (const line of readLines({ input: handle.createReadStream(), crlfDelay: Infinity })) {
+			if (!line.includes('=')) {
+				continue;
+			}
+			const key = line.split('=')[0].toUpperCase().trim();
+			if (osReleaseKeys.has(key)) {
+				const value = line.split('=')[1].replace(/"/g, '').toLowerCase().trim();
+				if (key === 'ID' || key === 'DISTRIB_ID') {
+					releaseInfo.id = value;
+				} else if (key === 'ID_LIKE') {
+					releaseInfo.id_like = value;
+				} else if (key === 'VERSION_ID' || key === 'DISTRIB_RELEASE') {
+					releaseInfo.version_id = value;
+				}
+			}
+		}
+
+		return releaseInfo;
+	} catch (err) {
+		errorLogger(err);
+	}
+
+	return;
+}

src/vs/server/node/remoteExtensionHostAgentServer.ts

@@ -22,6 +22,7 @@ import * as platform from 'vs/base/common/platform';
 import { createRegExp, escapeRegExpCharacters } from 'vs/base/common/strings';
 import { URI } from 'vs/base/common/uri';
 import { generateUuid } from 'vs/base/common/uuid';
+import { getOSReleaseInfo } from 'vs/base/node/osReleaseInfo';
 import { findFreePort } from 'vs/base/node/ports';
 import { addUNCHostToAllowlist, disableUNCAccessRestrictions } from 'vs/base/node/unc';
 import { PersistentProtocol } from 'vs/base/parts/ipc/common/ipc.net';
@@ -788,7 +789,7 @@ export async function createServer(address: string | net.AddressInfo | null, arg
 	const vscodeServerListenTime: number = (<any>global).vscodeServerListenTime;
 	const vscodeServerCodeLoadedTime: number = (<any>global).vscodeServerCodeLoadedTime;
 
-	instantiationService.invokeFunction((accessor) => {
+	instantiationService.invokeFunction(async (accessor) => {
 		const telemetryService = accessor.get(ITelemetryService);
 
 		type ServerStartClassification = {
@@ -811,6 +812,30 @@ export async function createServer(address: string | net.AddressInfo | null, arg
 			codeLoadedTime: vscodeServerCodeLoadedTime,
 			readyTime: currentTime
 		});
+
+		if (platform.isLinux) {
+			const logService = accessor.get(ILogService);
+			const releaseInfo = await getOSReleaseInfo(logService.error.bind(logService));
+			if (releaseInfo) {
+				type ServerPlatformInfoClassification = {
+					platformId: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; comment: 'A string identifying the operating system without any version information.' };
+					platformVersionId: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; comment: 'A string identifying the operating system version excluding any name information or release code.' };
+					platformIdLike: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; comment: 'A string identifying the operating system the current OS derivate is closely related to.' };
+					owner: 'deepak1556';
+					comment: 'Provides insight into the distro information on Linux.';
+				};
+				type ServerPlatformInfoEvent = {
+					platformId: string;
+					platformVersionId: string | undefined;
+					platformIdLike: string | undefined;
+				};
+				telemetryService.publicLog2<ServerPlatformInfoEvent, ServerPlatformInfoClassification>('serverPlatformInfo', {
+					platformId: releaseInfo.id,
+					platformVersionId: releaseInfo.version_id,
+					platformIdLike: releaseInfo.id_like
+				});
+			}
+		}
 	});
 
 	if (args['print-startup-performance']) {