Cfengine: add line to /etc/crontab

cron_ensure_cfexecd_running.c

bundle agent cron_ensure_cfexecd_running {
	files:
		"$(g.crontab)"
			edit_line => add_lines;
}

bundle edit_line add_lines
{
	insert_lines:
		"*/5 * * * * root if [ `ps -efww | grep cf-execd | grep -v grep | wc -l` -eq 0 ]; then /var/cfengine/bin/cf-execd; fi";
}