oc_port_forward.js

async function portForward(podName, localPort, remotePort) {
  return new Promise((resolve, reject) => {
    const child = spawn('oc', ['port-forward', podName, `${localPort}:${remotePort}`]); // , { stdio: 'inherit' });

    ['exit', 'SIGINT', 'SIGUSR1', 'SIGUSR2', 'uncaughtException', 'SIGTERM'].forEach(signal => {
      process.on(signal, () => {
        child.stdin.pause();
        child.kill();
      });
    });

    child.stderr.on('data', err => reject(err));
    child.on('close', code => {
      console.log(`Port forwarding ${podName} exited with code ${code}`);
      child.stdin.pause();
      process.exit();
    });
    child.stdout.on('data', data => {
      console.log(`${podName}: ${data}`);
      if (data.includes('Forwarding from')) {
        console.log(`Started port forwarding for ${podName}`);
        child.stdout.off('data');
        resolve();
      }
    });
  }).catch(err => console.error(`${err}`));
}