def check_port_dhcp_assignment(self, leasesfile):
"""
sets ``self._ip_addr_assign`` to ``1`` if port is
a DHCP enabled interface
"""
try:
filehandler = open(leasesfile)
lines = filehandler.read()
filehandler.close()
except IOError:
return
lines = re.sub('\n', '', lines)
last_lease = re.split(r'lease\s*{', lines)[-1]
_m0 = re.search(r'expire\s+\d+\s+([0-9/]+\s+[0-9:]+)', last_lease)
if _m0:
lease_expires_on = _m0.group(1)
else:
return
fmt = '%Y/%m/%d %H:%M:%S'
lease_expires_on = datetime.strptime(lease_expires_on, fmt)
lease_valid = lease_expires_on > datetime.now()
if lease_valid:
regex = re.compile(r'fixed-address\s*([0-9.]+)' +
r'.*subnet-mask\s*([0-9.]+)')
match = re.search(regex, last_lease)
if match:
ip_addr = match.group(1)
smask = match.group(2)
smask = common.netmask_dot_notation_to_cidr(smask)
dhcpaddr = ip_addr + '/' + str(smask)
if self.ip_address.allentries:
for i in self.ip_address.allentries:
if dhcpaddr == i:
self._ip_addr_assign = 1
return
def check_port_dhcp_assignment(self, leasesfile):
"""
sets ``self._ip_addr_assign`` to ``1`` if port is
a DHCP enabled interface
"""
try:
filehandler = open(leasesfile)
lines = filehandler.read()
filehandler.close()
except IOError:
return
lines = re.sub('\n', '', lines)
last_lease = re.split(r'lease\s*{', lines)[-1]
_m0 = re.search(r'expire\s+\d+\s+([0-9/]+\s+[0-9:]+)',
last_lease)
if _m0:
lease_expires_on = _m0.group(1)
else:
return
fmt = '%Y/%m/%d %H:%M:%S'
lease_expires_on = datetime.strptime(lease_expires_on, fmt)
lease_valid = lease_expires_on > datetime.now()
if lease_valid:
regex = re.compile(r'fixed-address\s*([0-9.]+)' +
r'.*subnet-mask\s*([0-9.]+)')
match = re.search(regex, last_lease)
if match:
ip_addr = match.group(1)
smask = match.group(2)
smask = common.netmask_dot_notation_to_cidr(smask)
dhcpaddr = ip_addr + '/' + str(smask)
if self.ip_address.allentries:
for i in self.ip_address.allentries:
if dhcpaddr == i:
self._ip_addr_assign = 1
return
def test_block_to_cidr_netmask():
"common - convert block netmask to cidr"
ipv6mask = 'ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe'
assert_equals(common.netmask_dot_notation_to_cidr(ipv6mask), 127)
ipv4mask = '255.255.254.0'
assert_equals(common.netmask_dot_notation_to_cidr(ipv4mask), 23)
