File cloud-init-handle-def-route-set.patch of Package cloud-init.10446
--- cloudinit/net/network_state.py.orig
+++ cloudinit/net/network_state.py
@@ -148,6 +148,7 @@ class NetworkState(object):
self._network_state = copy.deepcopy(network_state)
self._version = version
self.use_ipv6 = network_state.get('use_ipv6', False)
+ self._has_default_route = self._find_default_route()
@property
def config(self):
@@ -157,6 +158,10 @@ class NetworkState(object):
def version(self):
return self._version
+ @property
+ def has_default_route(self):
+ return self._has_default_route
+
def iter_routes(self, filter_func=None):
for route in self._network_state.get('routes', []):
if filter_func is not None:
@@ -188,6 +193,23 @@ class NetworkState(object):
if filter_func(iface):
yield iface
+ def _find_default_route(self):
+ for route in self.iter_routes():
+ if self._is_default_route(route):
+ return True
+ for iface in self.iter_interfaces():
+ for subnet in iface.get('subnets', []):
+ for route in subnet.get('routes', []):
+ if self._is_default_route(route):
+ return True
+
+ def _is_default_route(self, route):
+ default_nets = ('::', '0.0.0.0')
+ return (
+ route.get('prefix') == 0 and
+ route.get('network') in default_nets
+ )
+
@six.add_metaclass(CommandHandlerMeta)
class NetworkStateInterpreter(object):
--- cloudinit/net/sysconfig.py.orig
+++ cloudinit/net/sysconfig.py
@@ -310,6 +310,7 @@ class Renderer(renderer.Renderer):
mtu_key = 'MTU'
subnet_type = subnet.get('type')
if subnet_type == 'dhcp6':
+ # TODO need to set BOOTPROTO to dhcp6 on SUSE
iface_cfg['IPV6INIT'] = True
iface_cfg['DHCPV6C'] = True
elif subnet_type in ['dhcp4', 'dhcp']:
@@ -355,9 +356,12 @@ class Renderer(renderer.Renderer):
ipv6_index = -1
for i, subnet in enumerate(subnets, start=len(iface_cfg.children)):
subnet_type = subnet.get('type')
- if subnet_type == 'dhcp6':
- continue
- elif subnet_type in ['dhcp4', 'dhcp']:
+ if subnet_type in ['dhcp', 'dhcp4', 'dhcp6']:
+ if (
+ cls._network_default_route and
+ iface_cfg['BOOTPROTO'] != 'none'
+ ):
+ iface_cfg['DHCLIENT_SET_DEFAULT_ROUTE'] = False
continue
elif subnet_type == 'static':
if subnet_is_ipv6(subnet):
@@ -423,6 +427,8 @@ class Renderer(renderer.Renderer):
# TODO(harlowja): add validation that no other iface has
# also provided the default route?
iface_cfg['DEFROUTE'] = True
+ if iface_cfg['BOOTPROTO'] in ('dhcp', 'dhcp4', 'dhcp6'):
+ iface_cfg['DHCLIENT_SET_DEFAULT_ROUTE'] = True
if 'gateway' in route:
if is_ipv6 or is_ipv6_addr(route['gateway']):
iface_cfg['IPV6_DEFAULTGW'] = route['gateway']
@@ -636,6 +642,10 @@ class Renderer(renderer.Renderer):
return contents
def render_network_state(self, network_state, templates=None, target=None):
+ # Force the knowledge of a default route for the network state
+ # into the renderer, this is needed to write the proper ifcfg-
+ # on SUSE distros
+ self.__class__._network_default_route = network_state.has_default_route
if not templates:
templates = self.templates
file_mode = 0o644
--- tests/unittests/test_net.py.orig
+++ tests/unittests/test_net.py
@@ -538,6 +538,7 @@ NETWORK_CONFIGS = {
BOOTPROTO=dhcp
DEFROUTE=yes
DEVICE=eth99
+ DHCLIENT_SET_DEFAULT_ROUTE=yes
DNS1=8.8.8.8
DNS2=8.8.4.4
DOMAIN="barley.maas sach.maas"
@@ -912,6 +913,7 @@ pre-down route del -net 10.0.0.0 netmask
'ifcfg-bond0.200': textwrap.dedent("""\
BOOTPROTO=dhcp
DEVICE=bond0.200
+ DHCLIENT_SET_DEFAULT_ROUTE=no
NM_CONTROLLED=no
ONBOOT=yes
STARTMODE=auto
@@ -1011,6 +1013,7 @@ pre-down route del -net 10.0.0.0 netmask
'ifcfg-eth5': textwrap.dedent("""\
BOOTPROTO=dhcp
DEVICE=eth5
+ DHCLIENT_SET_DEFAULT_ROUTE=no
HWADDR=98:bb:9f:2c:e8:8a
NM_CONTROLLED=no
ONBOOT=no
@@ -1666,6 +1669,23 @@ CONFIG_V1_SIMPLE_SUBNET = {
'type': 'static'}],
'type': 'physical'}]}
+CONFIG_V1_MULTI_IFACE = {
+ 'version': 1,
+ 'config': [{'type': 'physical',
+ 'mtu': 1500,
+ 'subnets': [{'type': 'static',
+ 'netmask': '255.255.240.0',
+ 'routes': [{'netmask': '0.0.0.0',
+ 'network': '0.0.0.0',
+ 'gateway': '51.68.80.1'}],
+ 'address': '51.68.89.122',
+ 'ipv4': True}],
+ 'mac_address': 'fa:16:3e:25:b4:59',
+ 'name': 'eth0'},
+ {'type': 'physical',
+ 'mtu': 9000,
+ 'subnets': [{'type': 'dhcp4'}],
+ 'mac_address': 'fa:16:3e:b1:ca:29', 'name': 'eth1'}]}
DEFAULT_DEV_ATTRS = {
'eth1000': {
@@ -2133,6 +2153,47 @@ USERCTL=no
"""
self.assertEqual(expected, found[nspath + 'ifcfg-interface0'])
+ def test_network_config_v1_multi_iface_samples(self):
+ ns = network_state.parse_net_config_data(CONFIG_V1_MULTI_IFACE)
+ render_dir = self.tmp_path("render")
+ os.makedirs(render_dir)
+ renderer = self._get_renderer()
+ renderer.render_network_state(ns, target=render_dir)
+ found = dir2dict(render_dir)
+ nspath = '/etc/sysconfig/network-scripts/'
+ self.assertNotIn(nspath + 'ifcfg-lo', found.keys())
+ expected_i1 = """\
+# Created by cloud-init on instance boot automatically, do not edit.
+#
+BOOTPROTO=none
+DEFROUTE=yes
+DEVICE=eth0
+GATEWAY=51.68.80.1
+HWADDR=fa:16:3e:25:b4:59
+IPADDR=51.68.89.122
+MTU=1500
+NETMASK=255.255.240.0
+NM_CONTROLLED=no
+ONBOOT=yes
+TYPE=Ethernet
+USERCTL=no
+"""
+ self.assertEqual(expected_i1, found[nspath + 'ifcfg-eth0'])
+ expected_i2 = """\
+# Created by cloud-init on instance boot automatically, do not edit.
+#
+BOOTPROTO=dhcp
+DEVICE=eth1
+DHCLIENT_SET_DEFAULT_ROUTE=no
+HWADDR=fa:16:3e:b1:ca:29
+MTU=9000
+NM_CONTROLLED=no
+ONBOOT=yes
+TYPE=Ethernet
+USERCTL=no
+"""
+ self.assertEqual(expected_i2, found[nspath + 'ifcfg-eth1'])
+
def test_config_with_explicit_loopback(self):
ns = network_state.parse_net_config_data(CONFIG_V1_EXPLICIT_LOOPBACK)
render_dir = self.tmp_path("render")
