pyIPAM - Docker Plugin for IPAM written in Python
Jacek Kowalski
2026-03-11 118e287ff3291362952c29f1bdcfabc3c528c2bb
lib/Ipam.py
@@ -12,8 +12,7 @@
    def __init__(self, pool: str = None, options: dict = None, subPool: str = None, v6: bool = None):
        if pool == '':
            pool = None
        if options is None:
            options = {}
        self.options = options or {}
        if subPool == '':
            subPool = None
@@ -42,8 +41,11 @@
        if not self.subpool.subnet_of(self.pool):
            raise InputValidationException('Subpool must be a subnet of pool')
        self.validate = self.options.get('validate', '1') == '1'
        self.ptp = self.options.get('ptp', '0') == '1'
        self.allocations = set()
        self.current = self.subpool.hosts()
        self.current = self.subpool.hosts() if not self.ptp else self.subpool.__iter__()
        self.v6 = isinstance(self.pool, ipaddress.IPv6Network)
@@ -62,7 +64,7 @@
        for address in self.current:
            if not self._is_allocated(address):
                return address
        self.current = self.subpool.hosts()
        self.current = self.subpool.hosts() if not self.ptp else self.subpool.__iter__()
        for address in self.current:
            if not self._is_allocated(address):
                return address
@@ -74,19 +76,23 @@
        else:
            address = ipaddress.ip_address(address)
        if self.pool.network_address == address:
            raise InputValidationException('Cannot allocate network address to a host')
        if not self.v6 and self.pool.broadcast_address == address:
            raise InputValidationException('Cannot allocate broadcast address to a host')
        if not self.ptp:
            if self.pool.network_address == address:
                raise InputValidationException('Cannot allocate network address to a host')
            if not self.v6 and self.pool.broadcast_address == address:
                raise InputValidationException('Cannot allocate broadcast address to a host')
        if address not in self.pool:
            raise InputValidationException('Requested address does not belong to a pool')
        address = str(address)
        if self._is_allocated(address):
        if self.validate and self._is_allocated(address):
            raise InputValidationException('Requested address {} is already used'.format(address))
        self.allocations.add(address)
        return '{}/{}'.format(address, self.pool.prefixlen)
        prefixlen = self.pool.prefixlen
        if self.ptp:
            prefixlen = 128 if self.v6 else 32
        return '{}/{}'.format(address, prefixlen)
    def deallocate(self, address: str):
        address = ipaddress.ip_address(address)