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Commit 12c384a8 by Őry Máté
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firewall: documenting models.Vlan

parent 8ec9138e
Showing with 105 additions and 19 deletions
firewall/models.py
...@@ -113,6 +113,8 @@ class Rule(models.Model): ...@@ -113,6 +113,8 @@ class Rule(models.Model):
raise ValidationError(_('Only one field can be selected.')) raise ValidationError(_('Only one field can be selected.'))
def desc(self): def desc(self):
"""Return a short string representation of the current rule.
"""
return u'[%(type)s] %(src)s ▸ %(dst)s %(para)s %(desc)s' % { return u'[%(type)s] %(src)s ▸ %(dst)s %(para)s %(desc)s' % {
'type': self.r_type, 'type': self.r_type,
'src': (unicode(self.foreign_network) if self.direction == '1' 'src': (unicode(self.foreign_network) if self.direction == '1'
...@@ -139,36 +141,120 @@ class Rule(models.Model): ...@@ -139,36 +141,120 @@ class Rule(models.Model):
class Vlan(models.Model): class Vlan(models.Model):
vid = models.IntegerField(unique=True)
name = models.CharField(max_length=20, unique=True, """
A vlan of the network,
Networks controlled by this framework are split into separated subnets.
These networks are izolated by the vlan (virtual lan) technology, which is
commonly used by managed network switches to partition the network.
Each vlan network has a unique identifier, a name, a unique IPv4 and IPv6
range. The gateway also has an IP address in each range.
"""
vid = models.IntegerField(unique=True,
verbose_name=_('VID'),
help_text=_('The vlan ID of the subnet.'),
validators=[MinValueValidator(1),
MaxValueValidator(4095)])
name = models.CharField(max_length=20,
unique=True,
verbose_name=_('Name'),
help_text=_('The short name of the subnet.'),
validators=[val_alfanum]) validators=[val_alfanum])
prefix4 = models.IntegerField(default=16) prefix4 = models.IntegerField(
prefix6 = models.IntegerField(default=80) default=16, verbose_name=_('IPv4 prefix length'),
interface = models.CharField(max_length=20, unique=True) help_text=_('The prefix length of the IPv4 subnet.'))
net4 = models.GenericIPAddressField(protocol='ipv4', unique=True) prefix6 = models.IntegerField(
net6 = models.GenericIPAddressField(protocol='ipv6', unique=True) default=80, verbose_name=_('IPv6 prefix length'),
ipv4 = models.GenericIPAddressField(protocol='ipv4', unique=True) help_text=_('The prefix length of the IPv6 subnet.'))
ipv6 = models.GenericIPAddressField(protocol='ipv6', unique=True) interface = models.CharField(max_length=20, unique=True,
verbose_name=_('interface'), help_text=_(
'The name of network interface the '
'gateway should serve this network on. '
'For example vlan0004 or eth2.'))
net4 = models.GenericIPAddressField(protocol='ipv4', unique=True,
verbose_name=_('IPv4 network'),
help_text=_('The network address of '
'the IPv4 subnet.'))
net6 = models.GenericIPAddressField(protocol='ipv6', unique=True,
verbose_name=_('IPv6 network'),
help_text=_('The network address of '
'the IPv6 subnet.'))
ipv4 = models.GenericIPAddressField(protocol='ipv4', unique=True,
verbose_name=_('IPv4 address'),
help_text=_(
'The IPv4 address of the gateway. '
'Recommended value is the last valid '
'address of the subnet, for example '
'10.4.255.254 for 10.4.0.0/16.'))
ipv6 = models.GenericIPAddressField(protocol='ipv6',
unique=True,
verbose_name=_('IPv6 address'),
help_text=_(
'The IPv6 address of the gateway.'))
snat_ip = models.GenericIPAddressField(protocol='ipv4', blank=True, snat_ip = models.GenericIPAddressField(protocol='ipv4', blank=True,
null=True) null=True,
verbose_name=_('NAT IP address'),
help_text=_(
'Common IPv4 address used for '
'address translation of '
'connections to the networks '
'selected bellow '
'(typically to the internet).'))
snat_to = models.ManyToManyField('self', symmetrical=False, blank=True, snat_to = models.ManyToManyField('self', symmetrical=False, blank=True,
null=True) null=True, verbose_name=_('NAT to'),
description = models.TextField(blank=True) help_text=_(
comment = models.TextField(blank=True) 'Connections to these networks '
domain = models.ForeignKey('Domain') 'should be network address '
reverse_domain = models.TextField(validators=[val_reverse_domain]) 'translated, i.e. their source '
dhcp_pool = models.TextField(blank=True) 'address is rewritten to the value '
created_at = models.DateTimeField(auto_now_add=True) 'of NAT IP address.'))
owner = models.ForeignKey(User, blank=True, null=True) description = models.TextField(blank=True, verbose_name=_('description'),
modified_at = models.DateTimeField(auto_now=True) help_text=_(
'Description of the goals and elements '
'of the vlan network.'))
comment = models.TextField(blank=True, verbose_name=_('comment'),
help_text=_(
'Notes, comments about the network'))
domain = models.ForeignKey('Domain', verbose_name=_('domain name'),
help_text=_('Domain name of the members of '
'this network.'))
reverse_domain = models.TextField(
validators=[val_reverse_domain],
verbose_name=_('reverse domain'),
help_text=_('Template of the IPv4 reverse domain name that '
'should be generated for each host. The template '
'should contain four tokens: "%(a)d", "%(b)d", '
'"%(c)d", and "%(d)d", representing the four bytes '
'of the address, respectively, in decimal notation. '
'For example, the template for the standard reverse '
'address is: "%(d)d.%(c)d.%(b)d.%(a)d.in-addr.arpa".'),
default="%(d)d.%(c)d.%(b)d.%(a)d.in-addr.arpa")
dhcp_pool = models.TextField(blank=True, verbose_name=_('DHCP pool'),
help_text=_(
'The address range of the DHCP pool: '
'empty for no DHCP service, "manual" for '
'no DHCP pool, or the first and last '
'address of the range separated by a '
'space.'))
created_at = models.DateTimeField(auto_now_add=True,
verbose_name=_('created at'))
owner = models.ForeignKey(User, blank=True, null=True,
verbose_name=_('owner'))
modified_at = models.DateTimeField(auto_now=True,
verbose_name=_('modified at'))
def __unicode__(self): def __unicode__(self):
return self.name return self.name
def net_ipv6(self): def net_ipv6(self):
"""String representation of selected IPv6 network."""
return self.net6 + "/" + unicode(self.prefix6) return self.net6 + "/" + unicode(self.prefix6)
def net_ipv4(self): def net_ipv4(self):
"""String representation of selected IPv4 network."""
return self.net4 + "/" + unicode(self.prefix4) return self.net4 + "/" + unicode(self.prefix4)
......
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