def create(self, subnet, mask, start_ip=None, stop_ip=None):
"""Create a DHCP subnet; return DHCP subnet objects."""
subnet = common.validate_ip_address(subnet)
filter = 'cn=%s' % subnet
if not common.is_number(mask):
msg = 'Subnet mask must be an integer, dotted decimal (or any other\
notation) is not allowed'
self.log.error(msg)
raise error.InputError(msg)
mask = str(mask)
if start_ip and not stop_ip:
msg = 'A range must include a start and stop IP address'
self.log.error(msg)
raise error.InputError(msg)
if start_ip is not None:
start_ip = common.validate_ip_address(start_ip)
stop_ip = common.validate_ip_address(stop_ip)
start_ip, stop_ip = self._is_greater_ip_than(start_ip, stop_ip)
dn = 'cn=%s,%s' % (subnet, self.dhcp_service_dn)
dn_attr = {
'objectClass': ['top', self.dhcp_subnet_class],
'cn': [subnet],
'dhcpNetMask': [mask]
}
if start_ip is not None:
dn_attr['dhcpRange'] = start_ip + ' ' + stop_ip
dn_info = [(k, v) for (k, v) in dn_attr.items()]
result = self._create_object(dn, dn_info)
self.log.debug('Result: %s' % result)
return result
def create(self, subnet, mask, start_ip=None, stop_ip=None):
"""Create a DHCP subnet; return DHCP subnet objects."""
subnet = common.validate_ip_address(subnet)
filter = 'cn=%s' % subnet
if not common.is_number(mask):
msg = 'Subnet mask must be an integer, dotted decimal (or any other\
notation) is not allowed'
self.log.error(msg)
raise error.InputError(msg)
mask = str(mask)
if start_ip and not stop_ip:
msg = 'A range must include a start and stop IP address'
self.log.error(msg)
raise error.InputError(msg)
if start_ip is not None:
start_ip = common.validate_ip_address(start_ip)
stop_ip = common.validate_ip_address(stop_ip)
start_ip, stop_ip = self._is_greater_ip_than(start_ip, stop_ip)
dn = 'cn=%s,%s' % (subnet, self.dhcp_service_dn)
dn_attr = {'objectClass': ['top', self.dhcp_subnet_class],
'cn': [subnet],
'dhcpNetMask': [mask]}
if start_ip is not None:
dn_attr['dhcpRange'] = start_ip + ' ' + stop_ip
dn_info = [(k, v) for (k, v) in dn_attr.items()]
result = self._create_object(dn, dn_info)
self.log.debug('Result: %s' % result)
return result
def get(self, subnet):
"""Search for a DHCP subnet; return a results list."""
subnet = common.validate_ip_address(subnet)
filter = 'cn=%s' % subnet
dn = 'cn=%s,%s' % (subnet, self.dhcp_service_dn)
result = self._get_object(dn, self.search_scope, filter)
self.log.debug('Result: %s' % result)
return result
def get(self, subnet):
"""Search for a DHCP subnet; return a results list."""
subnet = common.validate_ip_address(subnet)
filter = 'cn=%s' % subnet
dn = 'cn=%s,%s' % (subnet, self.dhcp_service_dn)
result = self._get_object(dn, self.search_scope, filter)
self.log.debug('Result: %s' % result)
return result
def __init__(self, ip=None, mask=None, dc=None):
"""Get config, setup logging and Redis connection."""
SpokeKV.__init__(self)
self.config = config.setup()
self.log = logger.setup(__name__)
self.max_mask = 16 # This is the largest network we can work with
# Check our subnet is well formatted in dotted decimal
if ip and mask:
common.validate_ip_address(ip)
# Check our netmask is well formatted and NOT in dotted decimal
try:
common.validate_ip_address(mask)
except:
pass # It's not a dotted decimal format subnet, good
else:
# It validated as a dotted decimal, but we need an integer
msg = 'IPv4 subnet mask must be between %s and 32' % self.max_mask
raise error.InputError(msg)
self.subnet = ip_helper.Network(ip, int(mask))
self.network = self.subnet.network()
self.mask = self.subnet.mask
if dc is not None:
self.kv_name = dc + str(self.network)
self.kv_free = '%s:%s:%s:free' % (dc, self.network, self.mask)
self.kv_aloc = '%s:%s:%s:aloc' % (dc, self.network, self.mask)
else:
self.kv_name = str(self.network)
self.kv_free = '%s:%s:free' % (self.network, self.mask)
self.kv_aloc = '%s:%s:aloc' % (self.network, self.mask)
self.ip_ldap_enabled = self.config.get('IP', 'ip_ldap_enabled',
False)
self.ip_ldap_attr = self.config.get('IP', 'ip_ldap_attr',
'dhcpStatements')
self.ip_ldap_key = self.config.get('IP', 'ip_ldap_key',
'fixed-address')
self.ip_ldap_search_base = self.config.get('IP',
'ip_ldap_search_base',
False)
else:
(self.network, self.mask) = (None, None)
def __init__(self, ip=None, mask=None, dc=None):
"""Get config, setup logging and Redis connection."""
SpokeKV.__init__(self)
self.config = config.setup()
self.log = logger.setup(__name__)
self.max_mask = 16 # This is the largest network we can work with
# Check our subnet is well formatted in dotted decimal
if ip and mask:
common.validate_ip_address(ip)
# Check our netmask is well formatted and NOT in dotted decimal
try:
common.validate_ip_address(mask)
except:
pass # It's not a dotted decimal format subnet, good
else:
# It validated as a dotted decimal, but we need an integer
msg = 'IPv4 subnet mask must be between %s and 32' % self.max_mask
raise error.InputError(msg)
self.subnet = ip_helper.Network(ip, int(mask))
self.network = self.subnet.network()
self.mask = self.subnet.mask
if dc is not None:
self.kv_name = dc + str(self.network)
self.kv_free = '%s:%s:%s:free' % (dc, self.network, self.mask)
self.kv_aloc = '%s:%s:%s:aloc' % (dc, self.network, self.mask)
else:
self.kv_name = str(self.network)
self.kv_free = '%s:%s:free' % (self.network, self.mask)
self.kv_aloc = '%s:%s:aloc' % (self.network, self.mask)
self.ip_ldap_enabled = self.config.get('IP', 'ip_ldap_enabled', False)
self.ip_ldap_attr = self.config.get('IP', 'ip_ldap_attr', 'dhcpStatements')
self.ip_ldap_key = self.config.get('IP', 'ip_ldap_key', 'fixed-address')
self.ip_ldap_search_base = self.config.get('IP', 'ip_ldap_search_base', False)
else:
(self.network, self.mask) = (None, None)
def _release_ip(self, ip):
"""Release an IP from the pool of allocated IPs"""
ip = common.validate_ip_address(ip)
self.KV.srem(self.kv_aloc, ip)
self.KV.sadd(self.kv_free, ip)
return True
def _release_ip(self, ip):
"""Release an IP from the pool of allocated IPs"""
ip = common.validate_ip_address(ip)
self.KV.srem(self.kv_aloc, ip)
self.KV.sadd(self.kv_free, ip)
return True
