deployLambdaEnv.js

"use strict";

const shell = require("shelljs"); // npm install shelljs
const args = process.argv;
// updateVersion.js [version] [filter=optional]

let filter = "";

if (args[2] == undefined) {
	console.log(`You must enter a alias name`);
	return false;
}
const version = args[2];

if (args[3] != undefined) {
	filter = args[3];
}

let data = shell.exec("aws lambda list-functions | grep FunctionName", { silent: true });
let ar = data.stdout.split("\n");
let funcList = [];
for (let i = 0; i < ar.length - 1; i++) {
	let t = ar[i].split(":");
	let func = t[1].replace('"', "").replace('"', "").replace(",", "").trim();

	if (filter.length > 0) {
		if (func.indexOf(filter) != -1) {
			funcList.push(func);
		}
	} else {
		funcList.push(func);
	}
}

for (let i = 0; i < funcList.length; i++) {
	let cmdVersion = `aws lambda publish-version --function-name "${funcList[i]}" --description "${version}"`;
	let retour = JSON.parse(shell.exec(cmdVersion));
	let publishedVersion = retour.Version;

	let cmdAlias = `aws lambda create-alias --function-name "${funcList[i]}" --name "${version}" --function-version "${publishedVersion}"`;
	shell.exec(cmdAlias);

	let cmdPermission = `aws lambda add-permission --function-name "${funcList[i]}:${version}" --principal apigateway.amazonaws.com --action lambda:InvokeFunction --statement-id "auto-${version}"`;
	shell.exec(cmdPermission);
}