don't send c3 metrics from wrangler init

Author: emily-shen

packages/wrangler/src/__tests__/init.test.ts

@@ -9,6 +9,7 @@ import { File, FormData } from "undici";
 import { vi } from "vitest";
 import { version as wranglerVersion } from "../../package.json";
 import { downloadWorker } from "../init";
+import { writeMetricsConfig } from "../metrics/metrics-config";
 import { getPackageManager } from "../package-manager";
 import { mockAccountId, mockApiToken } from "./helpers/mock-account-id";
 import { mockConsoleMethods } from "./helpers/mock-console";
@@ -149,6 +150,27 @@ describe("init", () => {
 				);
 			});
 		});
+
+		test("if telemetry is disabled in wrangler, then disable for c3 too", async () => {
+			writeMetricsConfig({
+				permission: {
+					enabled: false,
+					date: new Date(2024, 11, 11),
+				},
+			});
+			await runWrangler("init");
+
+			expect(execa).toHaveBeenCalledWith(
+				"mockpm",
+				["create", "cloudflare@^2.5.0"],
+				{
+					env: {
+						CREATE_CLOUDFLARE_TELEMETRY_DISABLED: "1",
+					},
+					stdio: "inherit",
+				}
+			);
+		});
 	});
 
 	describe("deprecated behavior is retained with --no-delegate-c3", () => {

packages/wrangler/src/init.ts

@@ -15,6 +15,7 @@ import { getC3CommandFromEnv } from "./environment-variables/misc-variables";
 import { CommandLineArgsError, FatalError, UserError } from "./errors";
 import { getGitVersioon, initializeGit, isInsideGitRepo } from "./git-client";
 import { logger } from "./logger";
+import { readMetricsConfig } from "./metrics/metrics-config";
 import { getPackageManager } from "./package-manager";
 import { parsePackageJSON, parseTOML, readFileSync } from "./parse";
 import { getBasePath } from "./paths";
@@ -279,8 +280,14 @@ export async function initHandler(args: InitArgs) {
 				);
 				logger.log(`🌀 Running ${replacementC3Command}...`);
 
+				// if telemetry is disabled in wrangler, prevent c3 from sending metrics too
+				const metricsConfig = readMetricsConfig();
+
 				await execa(packageManager.type, c3Arguments, {
 					stdio: "inherit",
+					...(metricsConfig.permission?.enabled === false && {
+						env: { CREATE_CLOUDFLARE_TELEMETRY_DISABLED: "1" },
+					}),
 				});
 
 				return;