def validate_port(port):
try:
p = int(port)
except ValueError:
if port == "*":
# * is allowed for creating wildcard VSs
return
raise ValidationError('Port must be an integer ({} given)'
.format(port))
if not 1 <= p <= 65535:
raise ValidationError('Invalid port number ({} given)'.format(p))
def validate_protocol(protocol):
if protocol.upper() not in ('TCP', 'UDP'):
raise ValidationError('Invalid protocol ({} given)'.format(protocol))
def validate_ip(ip):
try:
IPAddress(ip)
except AddrFormatError:
raise ValidationError('Invalid IP address ({} given)'.format(ip))