Function startDesktopMode

runtime/src/js/pgadmin.js:219–356

()

// This functions is used to start the pgAdmin4 server by spawning a
// separate process.
function startDesktopMode() {
  // Return if pgAdmin server process is already spawned
  // Added check for debugging purpose.
  if (pgadminServerProcess != null)
    return;

  let pingTimeoutID;
  // Set the environment variables so that pgAdmin 4 server
  // starts listening on the appropriate port.
  process.env.PGADMIN_INT_PORT = serverPort;
  process.env.PGADMIN_INT_KEY = UUID;
  process.env.PGADMIN_SERVER_MODE = 'OFF';

  // Prevent Python from writing .pyc files to the signed bundle
  process.env.PYTHONDONTWRITEBYTECODE = '1';

  // Start Page URL
  baseUrl = `http://127.0.0.1:${serverPort}`;
  startPageUrl = `${baseUrl}/?key=${UUID}`;
  serverCheckUrl = `${baseUrl}/misc/ping?key=${UUID}`;

  // Write Python Path, pgAdmin file path and command in log file.
  misc.writeServerLog('pgAdmin Runtime Environment');
  misc.writeServerLog('--------------------------------------------------------');
  let command = pythonPath + ' -s ' + pgadminFile;
  misc.writeServerLog('Python Path: "' + pythonPath + '"');
  misc.writeServerLog('Runtime Config File: "' + path.resolve(configStore.path) + '"');
  misc.writeServerLog('Webapp Path: "' + pgadminFile + '"');
  misc.writeServerLog('pgAdmin Command: "' + command + '"');
  misc.writeServerLog('Environment: ');
  Object.keys(process.env).forEach(function (key) {
    // Below code is included only for Mac OS as default path for azure CLI
    // installation path is not included in PATH variable while spawning
    // runtime environment.
    if (process.platform === 'darwin' && key === 'PATH') {
      let updated_path = process.env[key] + ':/usr/local/bin';
      process.env[key] = updated_path;
    }

    if (process.platform === 'win32' && key.toUpperCase() === 'PATH') {
      let _libpq_path = path.join(path.dirname(path.dirname(path.resolve(pgadminFile))), 'runtime');
      process.env[key] = _libpq_path + ';' + process.env[key];
    }

    misc.writeServerLog('  - ' + key + ': ' + process.env[key]);
  });
  misc.writeServerLog('--------------------------------------------------------\n');

  // Spawn the process to start pgAdmin4 server.
  let spawnStartTime = (new Date).getTime();
  pgadminServerProcess = spawn(pythonPath, ['-s', pgadminFile]);
  pgadminServerProcess.on('error', function (err) {
    // Log the error into the log file if process failed to launch
    misc.writeServerLog('Failed to launch pgAdmin4. Error:');
    misc.writeServerLog(err);
    showErrorDialog(pingTimeoutID);
  });