async function numberOfLambdaFunctionsForAwsAccount()

in packages/data-audit/src/audit/aws-lambda.ts [16:55]

• 30 lines of code
• 2 McCabe index (conditional complexity)

async function numberOfLambdaFunctionsForAwsAccount(
	stage: string,
	accountId: string,
	region: string,
): Promise<number> {
	const client = new LambdaClient(
		// Use the same IAM Role that CloudQuery uses to eliminate permission issues being the cause of data difference
		awsClientConfig(
			stage,
			`arn:aws:iam::${accountId}:role/cloudquery-access`,
			region,
		),
	);

	const functions: FunctionConfiguration[] = [];

	for await (const page of paginateListFunctions(
		{ client, pageSize: 50 },
		{},
	)) {
		functions.push(...(page.Functions ?? []));

		// (attempt to) avoid rate limiting by sleeping for 3 seconds between pages
		await sleep(3000);
	}

	const total = functions.length;

	console.log(
		JSON.stringify({
			message: `Found ${total} lambda functions in region ${region} for account ${accountId}`,
			account: accountId,
			region,
			client: `${accountId}:${region}`,
			total,
		}),
	);

	return total;
}