# AWS CloudWatch ログ監視で Lambda 処理

const https = require("https");
const querystring = require("querystring");
const zlib = require("zlib");
const host = "localhost.com";
const path = "/api/post_data";

exports.handler = function (event, context) {
  console.log("Event.awslogs: ", event.awslogs);
  const payload = Buffer.from(event.awslogs.data, "base64");
  const parsed = JSON.parse(zlib.gunzipSync(payload).toString("utf8"));

  var postMessage = JSON.stringify(parsed);
  var post_data = querystring.stringify({ body: postMessage });
  let options = {
    host: host,
    path: path,
    headers: {
      "Content-Type": "application/json",
    },
    method: "POST",
  };
  var post_req = https.request(options, function (res) {
    res.setEncoding("utf8");
    res.on("data", function (chunk) {
      console.log("Response: " + chunk);
      context.succeed();
    });
    res.on("error", function (e) {
      console.log("Error: " + e.message);
      context.done(null, "FAILURE");
    });
  });
  post_req.write(post_data);
  post_req.end();
};