public function work($job)
{
$logfile = $this->_logfile;
$now = date('M d H:i:s', $_SERVER['REQUEST_TIME']);
$thishost = $this->_windows ? $_SERVER['COMPUTERNAME'] : trim(`hostname`);
// get config parameters
$runas = (string) $this->_getConfig('runas', self::DEFAULT_RUNAS);
$runonhost = (string) $this->_getConfig('runonhost', $thishost);
$enabled = (bool) $this->_getConfig('enabled', self::DEFAULT_ENABLED);
$keep = (int) $this->_getConfig('keeplogsfor', self::DEFAULT_KEEPFOR);
// check schedule
$schedule = (string) $this->_config['schedule'];
if (empty($schedule)) {
system("echo \"{$now} Configuration file requires a schedule.\" >> {$logfile}");
return;
}
// check for lock file
$tmp = function_exists("sys_get_temp_dir") ? sys_get_temp_dir() : "/tmp";
$lockfile = "{$tmp}/{$this->_project}-{$job}.lck";
if (file_exists($lockfile)) {
system("echo \"{$now} Lock file found in {$lockfile}. Skipping.\" >> {$logfile}");
return;
}
$cp = new CronParser($schedule);
// if 1) job is enabled
// 2) and, we are on specified host
// 3) and, job is scheduled to run
// then, start execution
if ($enabled && strcasecmp($runonhost, $thishost) == 0 && $cp->hasRunInTheLast(self::RUN_INTERVAL)) {
// create lock file
touch($lockfile);
// start execution
$cmd = file_exists("{$job}.php") ? "php {$job}.php" : "{$job}.sh";
if (!$this->_windows) {
$useSudo = "sudo -u {$runas}";
}
exec("{$useSudo} {$cmd} 1>> {$logfile} 2>&1", $dummy, $retval);
// remove lock file
unlink($lockfile);
// mail log file if error
if ($retval !== 0) {
$this->_maillog();
}
}
// clean up any old logs
exec("find logs -mtime +{$keep} | xargs rm -f");
}
private function _help($crontab, $expected)
{
$cp = new CronParser($crontab);
$cp->setDateTime($expected);
$this->assertTrue($cp->hasRunInTheLast(60));
}
