def from_neutron_subnet(cls, network, subnet):
options = []
if subnet.gateway_ip:
options.append(('routers', subnet.gateway_ip))
dns_servers = cls._normalize_dns_nameservers(network, subnet)
if dns_servers:
options.append(('domain-name-servers', dns_servers))
static_routes_str = cls._normalize_host_routes(network, subnet)
static_routes = ""
if static_routes_str:
static_routes = dhcpopts.format_for_options(
'classless-static-routes', static_routes_str)
if static_routes:
options.append(('classless-static-routes', static_routes))
extra_options = {
'dhcp-lease-time': str(cfg.CONF.dhcp_lease_duration),
'domain-name': cfg.CONF.dns_domain
}
for option in extra_options.items():
options.append(option)
opt_list = []
for name, val in options:
opt = dhcpopts.format_for_pnr(name, val)
if opt:
opt_list.append(opt)
if opt_list:
data = {'optionList': {'OptionItem': opt_list}}
else:
data = {'optionList': {'list': []}}
return cls(data)
def from_neutron_subnet(cls, network, subnet):
options = []
if subnet.gateway_ip:
options.append(('routers', subnet.gateway_ip))
dns_servers = cls._normalize_dns_nameservers(network, subnet)
if dns_servers:
options.append(('domain-name-servers', dns_servers))
static_routes_str = cls._normalize_host_routes(network, subnet)
static_routes = ""
if static_routes_str:
static_routes = dhcpopts.format_for_options(
'classless-static-routes', static_routes_str)
if static_routes:
options.append(('classless-static-routes', static_routes))
extra_options = {'dhcp-lease-time': str(cfg.CONF.dhcp_lease_duration),
'domain-name': cfg.CONF.dhcp_domain}
for option in extra_options.items():
options.append(option)
opt_list = []
for name, val in options:
opt = dhcpopts.format_for_pnr(name, val)
if opt:
opt_list.append(opt)
if opt_list:
data = {'optionList': {'OptionItem': opt_list}}
else:
data = {'optionList': {'list': []}}
return cls(data)
def test_format_for_options_unknown_option(self, mock_format):
expected = None
value = dhcpopts.format_for_options('someoption', 'somevalue')
self.assertEqual(expected, value)
def test_format_for_options_exception(self, mock_format):
expected = ''
mock_format.get.side_effect = Exception
value = dhcpopts.format_for_options('subnet-mask', '10.10.0.1')
self.assertEqual(expected, value)
def test_format_for_domain_name_options(self):
expected = '65:78:61:6d:70:6c:65:2e:63:6f:6d:2e'
value = dhcpopts.format_for_options('domain-name', 'example.com.')
self.assertEqual(expected, value)
def test_format_for_dhcp_renewal_time_options(self):
expected = '00:00:01:2c'
value = dhcpopts.format_for_options('dhcp-renewal-time', 300)
self.assertEqual(expected, value)
def test_format_for_ip_forwarding_options(self):
expected = '01'
flag = True
value = dhcpopts.format_for_options('ip-forwarding', flag)
self.assertEqual(expected, value)
def test_format_for_classless_static_routes_options(self):
expected = '20:a9:fe:a9:fe:0a:0a:00:02'
value = dhcpopts.format_for_options('classless-static-routes',
'32.169.254.169.254 10.10.0.2')
self.assertEqual(expected, value)
