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cloud-init.10446
cloud-init-handle-def-route-set.patch
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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")
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