def clean(self):
"""
Field validation
:return:
"""
super(PrefixAccess, self).clean()
# Check prefix is of AFI type
if self.afi == "4":
check_ipv4_prefix(self.prefix)
elif self.afi == "6":
check_ipv6_prefix(self.prefix)
def clean_prefix(self):
vrf = self.cleaned_data["vrf"]
afi = self.cleaned_data["afi"]
prefix = self.cleaned_data.get("prefix", "").strip()
if afi == "4":
check_ipv4_prefix(prefix)
elif afi == "6":
check_ipv6_prefix(prefix)
try:
return Prefix.objects.get(vrf=vrf, afi=afi, prefix=prefix)
except Prefix.DoesNotExist:
raise ValidationError(_("Prefix not found"))
def __init__(self, prefix, netmask=None):
"""
:param prefix: String in format X.X.X.X or X.X.X.X/Y
:type prefix: str
:param netmask: Optional netmask in X.X.X.X format
:type netmask: str
"""
if "/" not in prefix:
if netmask:
prefix += "/%d" % self.netmask_to_len(netmask)
else:
prefix += "/32"
check_ipv4_prefix(prefix)
super(IPv4, self).__init__(prefix)
# Convert to int
self.d = struct.unpack("!I", socket.inet_aton(self.address))[0]
def clean(self):
"""
Field validation
"""
super(Prefix, self).clean()
# Set defaults
self.afi = "6" if ":" in self.prefix else "4"
# Check prefix is of AFI type
if self.is_ipv4:
check_ipv4_prefix(self.prefix)
elif self.is_ipv6:
check_ipv6_prefix(self.prefix)
# Set defaults
if not self.vrf:
self.vrf = VRF.get_global()
if not self.is_root:
# Set proper parent
self.parent = Prefix.get_parent(self.vrf, self.afi, self.prefix)
# Check root prefix have no parent
if self.is_root and self.parent:
raise ValidationError("Root prefix cannot have parent")