def uptime(domain):
cmd = "xm uptime %s | grep %s " % (domain, domain)
c = Command(cmd)
status, out = c.read_from()
if status == 0:
return out.split()[2]
elif re.match(r"^.*Domain '.+?' does not exist.*$", out):
return None
else:
raise CommandException(cmd, msg=out, status=status)
