diff options
-rw-r--r-- | data/templates/frr/bgpd.frr.tmpl | 11 | ||||
-rw-r--r-- | interface-definitions/include/bgp/neighbor-afi-ipv4-ipv6-common.xml.i | 55 | ||||
-rwxr-xr-x | smoketest/scripts/cli/test_protocols_bgp.py | 84 | ||||
-rwxr-xr-x | src/conf_mode/protocols_bgp.py | 22 |
4 files changed, 157 insertions, 15 deletions
diff --git a/data/templates/frr/bgpd.frr.tmpl b/data/templates/frr/bgpd.frr.tmpl index 9bb42fd2d..45e0544b7 100644 --- a/data/templates/frr/bgpd.frr.tmpl +++ b/data/templates/frr/bgpd.frr.tmpl @@ -146,6 +146,17 @@ {% if afi_config.as_override is defined %} neighbor {{ neighbor }} as-override {% endif %} +{% if afi_config.conditionally_advertise is defined and afi_config.conditionally_advertise is not none %} +{% if afi_config.conditionally_advertise.advertise_map is defined and afi_config.conditionally_advertise.advertise_map is not none %} +{% set exist_non_exist_map = 'exist-map' %} +{% if afi_config.conditionally_advertise.exist_map is defined and afi_config.conditionally_advertise.exist_map is not none %} +{% set exist_non_exist_map = 'exist-map ' ~ afi_config.conditionally_advertise.exist_map %} +{% elif afi_config.conditionally_advertise.non_exist_map is defined and afi_config.conditionally_advertise.non_exist_map is not none %} +{% set exist_non_exist_map = 'non-exist-map ' ~ afi_config.conditionally_advertise.non_exist_map %} +{% endif %} + neighbor {{ neighbor }} advertise-map {{ afi_config.conditionally_advertise.advertise_map }} {{ exist_non_exist_map }} +{% endif %} +{% endif %} {% if afi_config.remove_private_as is defined %} neighbor {{ neighbor }} remove-private-AS {% endif %} diff --git a/interface-definitions/include/bgp/neighbor-afi-ipv4-ipv6-common.xml.i b/interface-definitions/include/bgp/neighbor-afi-ipv4-ipv6-common.xml.i index 498662b0a..f3fc4444c 100644 --- a/interface-definitions/include/bgp/neighbor-afi-ipv4-ipv6-common.xml.i +++ b/interface-definitions/include/bgp/neighbor-afi-ipv4-ipv6-common.xml.i @@ -11,6 +11,61 @@ <valueless/> </properties> </leafNode> +<node name="conditionally-advertise"> + <properties> + <help>Use route-map to conditionally advertise routes</help> + </properties> + <children> + <leafNode name="advertise-map"> + <properties> + <help>Route-map to conditionally advertise routes</help> + <completionHelp> + <path>policy route-map</path> + </completionHelp> + <valueHelp> + <format>txt</format> + <description>Route map name</description> + </valueHelp> + <constraint> + <regex>^[-_a-zA-Z0-9.]+$</regex> + </constraint> + <constraintErrorMessage>Name of route-map can only contain alpha-numeric letters, hyphen and underscores</constraintErrorMessage> + </properties> + </leafNode> + <leafNode name="exist-map"> + <properties> + <help>Advertise routes only if prefixes in exist-map are installed in BGP table</help> + <completionHelp> + <path>policy route-map</path> + </completionHelp> + <valueHelp> + <format>txt</format> + <description>Route map name</description> + </valueHelp> + <constraint> + <regex>^[-_a-zA-Z0-9.]+$</regex> + </constraint> + <constraintErrorMessage>Name of route-map can only contain alpha-numeric letters, hyphen and underscores</constraintErrorMessage> + </properties> + </leafNode> + <leafNode name="non-exist-map"> + <properties> + <help>Advertise routes only if prefixes in non-exist-map are not installed in BGP table</help> + <completionHelp> + <path>policy route-map</path> + </completionHelp> + <valueHelp> + <format>txt</format> + <description>Route map name</description> + </valueHelp> + <constraint> + <regex>^[-_a-zA-Z0-9.]+$</regex> + </constraint> + <constraintErrorMessage>Name of route-map can only contain alpha-numeric letters, hyphen and underscores</constraintErrorMessage> + </properties> + </leafNode> + </children> +</node> #include <include/bgp/afi-allowas-in.xml.i> <leafNode name="as-override"> <properties> diff --git a/smoketest/scripts/cli/test_protocols_bgp.py b/smoketest/scripts/cli/test_protocols_bgp.py index 22cc3785f..d7230baf4 100755 --- a/smoketest/scripts/cli/test_protocols_bgp.py +++ b/smoketest/scripts/cli/test_protocols_bgp.py @@ -59,11 +59,14 @@ neighbor_config = { 'no_cap_nego' : '', 'port' : '667', 'cap_strict' : '', + 'advertise_map': route_map_in, + 'non_exist_map': route_map_out, 'pfx_list_in' : prefix_list_in, 'pfx_list_out' : prefix_list_out, 'no_send_comm_std' : '', }, '192.0.2.3' : { + 'advertise_map': route_map_in, 'description' : 'foo bar baz', 'remote_as' : '200', 'passive' : '', @@ -72,6 +75,8 @@ neighbor_config = { 'peer_group' : 'foo', }, '2001:db8::1' : { + 'advertise_map': route_map_in, + 'exist_map' : route_map_out, 'cap_dynamic' : '', 'cap_ext_next' : '', 'remote_as' : '123', @@ -104,6 +109,8 @@ neighbor_config = { peer_group_config = { 'foo' : { + 'advertise_map': route_map_in, + 'exist_map' : route_map_out, 'bfd' : '', 'remote_as' : '100', 'passive' : '', @@ -113,6 +120,7 @@ peer_group_config = { 'ttl_security': '5', }, 'foo-bar' : { + 'advertise_map': route_map_in, 'description' : 'foo peer bar group', 'remote_as' : '200', 'shutdown' : '', @@ -122,8 +130,9 @@ peer_group_config = { 'pfx_list_out' : prefix_list_out, 'no_send_comm_ext' : '', }, - 'baz' : { 'foo-bar_baz' : { + 'advertise_map': route_map_in, + 'non_exist_map': route_map_out, 'bfd_profile' : bfd_profile, 'cap_dynamic' : '', 'cap_ext_next' : '', @@ -137,23 +146,34 @@ peer_group_config = { } class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase): - def setUp(self): - self.cli_set(['policy', 'route-map', route_map_in, 'rule', '10', 'action', 'permit']) - self.cli_set(['policy', 'route-map', route_map_out, 'rule', '10', 'action', 'permit']) - self.cli_set(['policy', 'prefix-list', prefix_list_in, 'rule', '10', 'action', 'permit']) - self.cli_set(['policy', 'prefix-list', prefix_list_in, 'rule', '10', 'prefix', '192.0.2.0/25']) - self.cli_set(['policy', 'prefix-list', prefix_list_out, 'rule', '10', 'action', 'permit']) - self.cli_set(['policy', 'prefix-list', prefix_list_out, 'rule', '10', 'prefix', '192.0.2.128/25']) - - self.cli_set(['policy', 'prefix-list6', prefix_list_in6, 'rule', '10', 'action', 'permit']) - self.cli_set(['policy', 'prefix-list6', prefix_list_in6, 'rule', '10', 'prefix', '2001:db8:1000::/64']) - self.cli_set(['policy', 'prefix-list6', prefix_list_out6, 'rule', '10', 'action', 'deny']) - self.cli_set(['policy', 'prefix-list6', prefix_list_out6, 'rule', '10', 'prefix', '2001:db8:2000::/64']) + @classmethod + def setUpClass(cls): + super(cls, cls).setUpClass() + + # ensure we can also run this test on a live system - so lets clean + # out the current configuration :) + cls.cli_delete(cls, base_path) + + cls.cli_set(cls, ['policy', 'route-map', route_map_in, 'rule', '10', 'action', 'permit']) + cls.cli_set(cls, ['policy', 'route-map', route_map_out, 'rule', '10', 'action', 'permit']) + cls.cli_set(cls, ['policy', 'prefix-list', prefix_list_in, 'rule', '10', 'action', 'permit']) + cls.cli_set(cls, ['policy', 'prefix-list', prefix_list_in, 'rule', '10', 'prefix', '192.0.2.0/25']) + cls.cli_set(cls, ['policy', 'prefix-list', prefix_list_out, 'rule', '10', 'action', 'permit']) + cls.cli_set(cls, ['policy', 'prefix-list', prefix_list_out, 'rule', '10', 'prefix', '192.0.2.128/25']) + + cls.cli_set(cls, ['policy', 'prefix-list6', prefix_list_in6, 'rule', '10', 'action', 'permit']) + cls.cli_set(cls, ['policy', 'prefix-list6', prefix_list_in6, 'rule', '10', 'prefix', '2001:db8:1000::/64']) + cls.cli_set(cls, ['policy', 'prefix-list6', prefix_list_out6, 'rule', '10', 'action', 'deny']) + cls.cli_set(cls, ['policy', 'prefix-list6', prefix_list_out6, 'rule', '10', 'prefix', '2001:db8:2000::/64']) + + @classmethod + def tearDownClass(cls): + cls.cli_delete(cls, ['policy']) + def setUp(self): self.cli_set(base_path + ['local-as', ASN]) def tearDown(self): - self.cli_delete(['policy']) self.cli_delete(['vrf']) self.cli_delete(base_path) self.cli_commit() @@ -212,7 +232,13 @@ class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase): self.assertIn(f' neighbor {peer} addpath-tx-all-paths', frrconfig) if 'addpath_per_as' in peer_config: self.assertIn(f' neighbor {peer} addpath-tx-bestpath-per-AS', frrconfig) - + if 'advertise_map' in peer_config: + base = f' neighbor {peer} advertise-map {peer_config["advertise_map"]}' + if 'exist_map' in peer_config: + base = f'{base} exist-map {peer_config["exist_map"]}' + if 'non_exist_map' in peer_config: + base = f'{base} non-exist-map {peer_config["non_exist_map"]}' + self.assertIn(base, frrconfig) def test_bgp_01_simple(self): router_id = '127.0.0.1' @@ -353,6 +379,20 @@ class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase): if 'addpath_per_as' in peer_config: self.cli_set(base_path + ['neighbor', peer, 'address-family', afi, 'addpath-tx-per-as']) + # Conditional advertisement + if 'advertise_map' in peer_config: + self.cli_set(base_path + ['neighbor', peer, 'address-family', afi, 'conditionally-advertise', 'advertise-map', peer_config["advertise_map"]]) + # Either exist-map or non-exist-map needs to be specified + if 'exist_map' not in peer_config and 'non_exist_map' not in peer_config: + with self.assertRaises(ConfigSessionError): + self.cli_commit() + self.cli_set(base_path + ['neighbor', peer, 'address-family', afi, 'conditionally-advertise', 'exist-map', route_map_in]) + + if 'exist_map' in peer_config: + self.cli_set(base_path + ['neighbor', peer, 'address-family', afi, 'conditionally-advertise', 'exist-map', peer_config["exist_map"]]) + if 'non_exist_map' in peer_config: + self.cli_set(base_path + ['neighbor', peer, 'address-family', afi, 'conditionally-advertise', 'non-exist-map', peer_config["non_exist_map"]]) + # commit changes self.cli_commit() @@ -421,6 +461,20 @@ class TestProtocolsBGP(VyOSUnitTestSHIM.TestCase): if 'addpath_per_as' in config: self.cli_set(base_path + ['peer-group', peer_group, 'address-family', 'ipv4-unicast', 'addpath-tx-per-as']) + # Conditional advertisement + if 'advertise_map' in config: + self.cli_set(base_path + ['peer-group', peer_group, 'address-family', 'ipv4-unicast', 'conditionally-advertise', 'advertise-map', config["advertise_map"]]) + # Either exist-map or non-exist-map needs to be specified + if 'exist_map' not in config and 'non_exist_map' not in config: + with self.assertRaises(ConfigSessionError): + self.cli_commit() + self.cli_set(base_path + ['peer-group', peer_group, 'address-family', 'ipv4-unicast', 'conditionally-advertise', 'exist-map', route_map_in]) + + if 'exist_map' in config: + self.cli_set(base_path + ['peer-group', peer_group, 'address-family', 'ipv4-unicast', 'conditionally-advertise', 'exist-map', config["exist_map"]]) + if 'non_exist_map' in config: + self.cli_set(base_path + ['peer-group', peer_group, 'address-family', 'ipv4-unicast', 'conditionally-advertise', 'non-exist-map', config["non_exist_map"]]) + for peer, peer_config in neighbor_config.items(): if 'peer_group' in peer_config: self.cli_set(base_path + ['neighbor', peer, 'peer-group', peer_config['peer_group']]) diff --git a/src/conf_mode/protocols_bgp.py b/src/conf_mode/protocols_bgp.py index 03fb17ba7..d8704727c 100755 --- a/src/conf_mode/protocols_bgp.py +++ b/src/conf_mode/protocols_bgp.py @@ -183,6 +183,28 @@ def verify(bgp): raise ConfigError(f'Neighbor "{peer}" cannot have both ipv6-unicast and ipv6-labeled-unicast configured at the same time!') afi_config = peer_config['address_family'][afi] + + if 'conditionally_advertise' in afi_config: + if 'advertise_map' not in afi_config['conditionally_advertise']: + raise ConfigError('Must speficy advertise-map when conditionally-advertise is in use!') + # Verify advertise-map (which is a route-map) exists + verify_route_map(afi_config['conditionally_advertise']['advertise_map'], bgp) + + if ('exist_map' not in afi_config['conditionally_advertise'] and + 'non_exist_map' not in afi_config['conditionally_advertise']): + raise ConfigError('Must either speficy exist-map or non-exist-map when ' \ + 'conditionally-advertise is in use!') + + if {'exist_map', 'non_exist_map'} <= set(afi_config['conditionally_advertise']): + raise ConfigError('Can not specify both exist-map and non-exist-map for ' \ + 'conditionally-advertise!') + + if 'exist_map' in afi_config['conditionally_advertise']: + verify_route_map(afi_config['conditionally_advertise']['exist_map'], bgp) + + if 'non_exist_map' in afi_config['conditionally_advertise']: + verify_route_map(afi_config['conditionally_advertise']['non_exist_map'], bgp) + # Validate if configured Prefix list exists if 'prefix_list' in afi_config: for tmp in ['import', 'export']: |