Hubot handler

ops.js

const yargs = require('yargs');
const spawn = require('child_process').spawn;

module.exports = (robot) => {
  robot.respond(/deploy (.*)/i, (res) => {
    let parser = yargs.command('deploy <build_num>', 'deploy a version', (yargs) => {
      yargs
      .positional('build_num', {
        describe: 'build number',
      })
      .option('debug', {
        alias: 'd',
        describe: 'enable debug output',
        type: 'boolean',
        default: false,
      });
    }, (argv) => {
      const user = res.envelope.user.name.replace(/\W+/, '_');
      const buildNum = argv.build_num;
      res.send(`(waiting) Deploying #${argv.build_num} (tea)`);
      const process = spawn(`ansible-playbook -i hosts app.yml --extra-vars "build_num=${buildNum} owner=${user}"`, [], {
        cwd: '/etc/ansible',
        shell: true,
      });
      process.stdout.on('data', (data) => {
        if (argv.debug) {
          res.send(`${data}`);
        }
      });
      process.stderr.on('data', (data) => {
        res.send(`${data}`);
      });
      process.on('close', (code) => {
        if (code !== 0) {
          res.send('(boom) Deployment failed');
        } else {
          res.send(`(successful) Deployment completed. You can access it using http://${buildNum}.mycompany.com`);
        }
      });
    })
    .help();
    parser.parse(`deploy ${res.match[1]}`, (error, argv, output) => {
      if (output) {
        res.reply(output)
      }
    });
  });
};