mecano/lib/cron/remove.js

Common functions for system deployment.

// Generated by CoffeeScript 1.11.1
var regexp, wrap;

module.exports = function(options, callback) {
  var crontab, jobs, ref, status;
  if (!(((ref = options.cmd) != null ? ref.length : void 0) > 0)) {
    return callback(new Error('valid cmd is required'));
  }
  if (options.user != null) {
    options.log({
      message: "Using user " + options.user,
      level: 'INFO',
      module: 'mecano/cron/remove'
    });
    crontab = "crontab -u " + options.user;
  } else {
    options.log({
      message: "Using default user",
      level: 'INFO',
      module: 'mecano/cron/remove'
    });
    crontab = "crontab";
  }
  status = false;
  jobs = [];
  return this.execute({
    cmd: crontab + " -l",
    shy: true
  }, function(err, _, stdout, stderr) {
    var i, j, job, len, myjob, regex;
    if (err) {
      throw err;
    }
    if (/^no crontab for/.test(stderr)) {
      throw Error('User crontab not found');
    }
    myjob = options.when ? regexp.escape(options.when) : '.*';
    myjob += regexp.escape(" " + options.cmd);
    regex = new RegExp(myjob);
    jobs = stdout.trim().split('\n');
    for (i = j = 0, len = jobs.length; j < len; i = ++j) {
      job = jobs[i];
      if (!regex.test(job)) {
        continue;
      }
      options.log({
        message: "Job '" + job + "' matches. Removing from list",
        level: 'WARN',
        module: 'mecano/cron/remove'
      });
      status = true;
      jobs.splice(i, 1);
    }
    return options.log({
      message: "No Job matches. Skipping",
      level: 'INFO',
      module: 'mecano/cron/remove'
    });
  }).execute({
    cmd: crontab + " - <<EOF\n" + (jobs.join('\n')) + "\nEOF",
    "if": function() {
      return status;
    }
  }).then(callback);
};

regexp = require('../misc').regexp;

wrap = require('../misc/wrap');