def add_ip_block(self, ipblock: ip_network):
""" Add a block of IP addresses to the free IP list
IP blocks should not overlap.
Args:
ipblock (ipaddress.ip_network): ip network to add
e.g. ipaddress.ip_network("10.0.0.0/24")
Raises:
OverlappedIPBlocksError: if the given IP block overlaps with
existing ones
"""
for blk in self._assigned_ip_blocks:
if ipblock.overlaps(blk):
logging.error("Overlapped IP block: %s", ipblock)
raise OverlappedIPBlocksError(ipblock)
self._assigned_ip_blocks.add(ipblock)
# TODO(oramadan) t23793559 HACK reserve the GW address for
# gtp_br0 iface and test VM
num_reserved_addresses = 11
for ip in ipblock.hosts():
state = IPState.RESERVED if num_reserved_addresses > 0 \
else IPState.FREE
ip_desc = IPDesc(ip=ip, state=state, ip_block=ipblock, sid=None)
self._ip_state_map.add_ip_to_state(ip, ip_desc, state)
if num_reserved_addresses > 0:
num_reserved_addresses -= 1
def add_ip_block(self, ipblock: ip_network):
"""
Adds IP block to the assigned IP block of the IPv6 allocator
Args:
ipblock: ipv6 ip_network object
Returns:
"""
if self._assigned_ip_block and ipblock.overlaps(
self._assigned_ip_block,
):
raise OverlappedIPBlocksError(ipblock)
if ipblock.prefixlen > self._ipv6_prefixlen:
log_error_and_raise(InvalidIPv6NetworkError, "IPv6 block exceeds maximum allowed prefix length")
# For now only one IPv6 network is supported
self._assigned_ip_block = ipblock
self._store.assigned_ip_blocks.add(ipblock)
def add_ip_block(self, ipblock: ip_network):
"""
Adds IP block to the assigned IP block of the IPv6 allocator
Args:
ipblock: ipv6 ip_network object
Returns:
"""
if self._assigned_ip_block and ipblock.overlaps(
self._assigned_ip_block, ):
raise OverlappedIPBlocksError(ipblock)
if ipblock.prefixlen > MAX_IPV6_CONF_PREFIX_LEN:
msg = "IPv6 block exceeds maximum allowed prefix length"
logging.error(msg)
raise InvalidIPv6NetworkError(msg)
# For now only one IPv6 network is supported
self._assigned_ip_block = ipblock