def _get_subnet_for_fixed_ip(self, context, fixed, network_id):
if 'subnet_id' in fixed:
subnet = self._get_subnet(context, fixed['subnet_id'])
if subnet['network_id'] != network_id:
msg = (_("Failed to create port on network %(network_id)s"
", because fixed_ips included invalid subnet "
"%(subnet_id)s") %
{'network_id': network_id,
'subnet_id': fixed['subnet_id']})
raise n_exc.InvalidInput(error_message=msg)
# Ensure that the IP is valid on the subnet
if ('ip_address' in fixed and
not ipam_utils.check_subnet_ip(subnet['cidr'],
fixed['ip_address'])):
raise n_exc.InvalidIpForSubnet(ip_address=fixed['ip_address'])
return subnet
if 'ip_address' not in fixed:
msg = _('IP allocation requires subnet_id or ip_address')
raise n_exc.InvalidInput(error_message=msg)
filter = {'network_id': [network_id]}
subnets = self._get_subnets(context, filters=filter)
for subnet in subnets:
if ipam_utils.check_subnet_ip(subnet['cidr'],
fixed['ip_address']):
return subnet
raise n_exc.InvalidIpForNetwork(ip_address=fixed['ip_address'])
def _test_fixed_ips_for_port(self, context, network_id, fixed_ips,
device_owner):
"""Test fixed IPs for port.
Check that configured subnets are valid prior to allocating any
IPs. Include the subnet_id in the result if only an IP address is
configured.
:raises: InvalidInput, IpAddressInUse, InvalidIpForNetwork,
InvalidIpForSubnet
"""
fixed_ip_set = []
for fixed in fixed_ips:
found = False
if 'subnet_id' not in fixed:
if 'ip_address' not in fixed:
msg = _('IP allocation requires subnet_id or ip_address')
raise n_exc.InvalidInput(error_message=msg)
filter = {'network_id': [network_id]}
subnets = self._get_subnets(context, filters=filter)
for subnet in subnets:
if ipam_utils.check_subnet_ip(subnet['cidr'],
fixed['ip_address']):
found = True
subnet_id = subnet['id']
break
if not found:
raise n_exc.InvalidIpForNetwork(
ip_address=fixed['ip_address'])
else:
subnet = self._get_subnet(context, fixed['subnet_id'])
if subnet['network_id'] != network_id:
msg = (_("Failed to create port on network %(network_id)s"
", because fixed_ips included invalid subnet "
"%(subnet_id)s") %
{'network_id': network_id,
'subnet_id': fixed['subnet_id']})
raise n_exc.InvalidInput(error_message=msg)
subnet_id = subnet['id']
is_auto_addr_subnet = ipv6_utils.is_auto_address_subnet(subnet)
if 'ip_address' in fixed:
# Ensure that the IP's are unique
if not IpamNonPluggableBackend._check_unique_ip(
context, network_id,
subnet_id, fixed['ip_address']):
raise n_exc.IpAddressInUse(net_id=network_id,
ip_address=fixed['ip_address'])
# Ensure that the IP is valid on the subnet
if (not found and
not ipam_utils.check_subnet_ip(subnet['cidr'],
fixed['ip_address'])):
raise n_exc.InvalidIpForSubnet(
ip_address=fixed['ip_address'])
if (is_auto_addr_subnet and
device_owner not in
constants.ROUTER_INTERFACE_OWNERS):
msg = (_("IPv6 address %(address)s can not be directly "
"assigned to a port on subnet %(id)s since the "
"subnet is configured for automatic addresses") %
{'address': fixed['ip_address'],
'id': subnet_id})
raise n_exc.InvalidInput(error_message=msg)
fixed_ip_set.append({'subnet_id': subnet_id,
'ip_address': fixed['ip_address']})
else:
# A scan for auto-address subnets on the network is done
# separately so that all such subnets (not just those
# listed explicitly here by subnet ID) are associated
# with the port.
if (device_owner in constants.ROUTER_INTERFACE_OWNERS or
device_owner == constants.DEVICE_OWNER_ROUTER_SNAT or
not is_auto_addr_subnet):
fixed_ip_set.append({'subnet_id': subnet_id})
if len(fixed_ip_set) > cfg.CONF.max_fixed_ips_per_port:
msg = _('Exceeded maximim amount of fixed ips per port')
raise n_exc.InvalidInput(error_message=msg)
return fixed_ip_set