@coorpacademy/squirrel/lib/bin/watch.js

Local mirror mecanism for ETCD

#! /usr/bin/env node
"use strict";

var _minimist = _interopRequireDefault(require("minimist"));

var _etcd = _interopRequireDefault(require("./helper/etcd"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const argz = (0, _minimist.default)(process.argv.slice(2));
const namespace = argz._[0] || '';
const client = (0, _etcd.default)(argz);
const namespacedClient = client.namespace(namespace);

const watch = async () => {
  const watcher = await namespacedClient.watch().prefix('').create();

  const putHandler = kv => console.log(`PUT ${kv.key.toString()} = ${kv.value.toString()}`);

  watcher.on('put', putHandler);

  const delHandler = kv => console.log(`DEL ${kv.key.toString()}`);

  watcher.on('del', delHandler);

  const handle = async () => {
    await watcher.cancel();
    client.close();
  };

  process.on('SIGINT', handle);
  process.on('SIGTERM', handle);
  return new Promise(resolve => watcher.once('end', resolve));
};

watch().catch(console.error);
//# sourceMappingURL=watch.js.map