System Initiative

type Input = { region: string; Filters?: Array<{ Name: string; Value: string }>; ExecutableUsers?: string; Owners?: string; }; type Output = string; async function main( { region, Filters, ExecutableUsers, Owners }: Input, ): Promise<Output> { async function awsEc2DescribeImages(region: string, queryArgs: string[]) { const response = await siExec.waitUntilEnd("aws", [ "ec2", "describe-images", "--region", region ?? "", "--query", "reverse(sort_by(Images, &CreationDate))", ...queryArgs, ]); if (response.exitCode !== 0) { throw new Error( `aws command failed with exit code ${response.exitCode}. Output:\n${response.all}`, ); } const images = JSON.parse(response.stdout) as { ImageId: string }[]; return images.map((image) => image.ImageId); } const queryArgs = []; for (const f of Filters ?? []) { queryArgs.push("--filters", `Name=${f.Name},Values=${f.Value}`); } if (ExecutableUsers) queryArgs.push("--executable-users", ExecutableUsers); if (Owners) queryArgs.push("--owners", Owners); // If no query is specified, there's nothing to return if (queryArgs.length == 0) { return ""; } // Get the image back from the query const imageIds = await awsEc2DescribeImages(region, queryArgs); return imageIds[0] ?? ""; } export default main;