diff options
Diffstat (limited to 'src/migration-scripts/quagga/7-to-8')
| -rwxr-xr-x | src/migration-scripts/quagga/7-to-8 | 99 |
1 files changed, 19 insertions, 80 deletions
diff --git a/src/migration-scripts/quagga/7-to-8 b/src/migration-scripts/quagga/7-to-8 index 9c277a6f1..15c44924f 100755 --- a/src/migration-scripts/quagga/7-to-8 +++ b/src/migration-scripts/quagga/7-to-8 @@ -14,61 +14,14 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. -# - T2450: drop interface-route and interface-route6 from "protocols static" +# - T3391: Migrate "maximum-paths" setting from "protocols bgp asn maximum-paths" +# under the IPv4 address-family tree. Reason is we currently have no way in +# configuring this for IPv6 address-family. This mimics the FRR configuration. from sys import argv from sys import exit - from vyos.configtree import ConfigTree -def migrate_interface_route(config, base, path, route_route6): - """ Generic migration function which can be called on every instance of - interface-route, beeing it ipv4, ipv6 or nested under the "static table" nodes. - - What we do? - - Drop 'interface-route' or 'interface-route6' and migrate the route unter the - 'route' or 'route6' tag node. - """ - if config.exists(base + path): - for route in config.list_nodes(base + path): - interface = config.list_nodes(base + path + [route, 'next-hop-interface']) - - tmp = base + path + [route, 'next-hop-interface'] - for interface in config.list_nodes(tmp): - new_base = base + [route_route6, route, 'interface'] - config.set(new_base) - config.set_tag(base + [route_route6]) - config.set_tag(new_base) - config.copy(tmp + [interface], new_base + [interface]) - - config.delete(base + path) - -def migrate_route(config, base, path, route_route6): - """ Generic migration function which can be called on every instance of - route, beeing it ipv4, ipv6 or even nested under the static table nodes. - - What we do? - - for consistency reasons rename next-hop-interface to interface - - for consistency reasons rename next-hop-vrf to vrf - """ - if config.exists(base + path): - for route in config.list_nodes(base + path): - next_hop = base + path + [route, 'next-hop'] - if config.exists(next_hop): - for gateway in config.list_nodes(next_hop): - # IPv4 routes calls it next-hop-interface, rename this to - # interface instead so it's consitent with IPv6 - interface_path = next_hop + [gateway, 'next-hop-interface'] - if config.exists(interface_path): - config.rename(interface_path, 'interface') - - # When VRFs got introduced, I (c-po) named it next-hop-vrf, - # we can also call it vrf which is simply shorter. - vrf_path = next_hop + [gateway, 'next-hop-vrf'] - if config.exists(vrf_path): - config.rename(vrf_path, 'vrf') - - if (len(argv) < 2): print("Must specify file name!") exit(1) @@ -78,41 +31,27 @@ file_name = argv[1] with open(file_name, 'r') as f: config_file = f.read() -base = ['protocols', 'static'] - +base = ['protocols', 'bgp'] config = ConfigTree(config_file) + if not config.exists(base): # Nothing to do exit(0) -# Migrate interface-route into route -migrate_interface_route(config, base, ['interface-route'], 'route') - -# Migrate interface-route6 into route6 -migrate_interface_route(config, base, ['interface-route6'], 'route6') - -# Cleanup nodes inside route -migrate_route(config, base, ['route'], 'route') - -# Cleanup nodes inside route6 -migrate_route(config, base, ['route6'], 'route6') - -# -# PBR table cleanup -table_path = base + ['table'] -if config.exists(table_path): - for table in config.list_nodes(table_path): - # Migrate interface-route into route - migrate_interface_route(config, table_path + [table], ['interface-route'], 'route') - - # Migrate interface-route6 into route6 - migrate_interface_route(config, table_path + [table], ['interface-route6'], 'route6') - - # Cleanup nodes inside route - migrate_route(config, table_path + [table], ['route'], 'route') - - # Cleanup nodes inside route6 - migrate_route(config, table_path + [table], ['route6'], 'route6') +# Check if BGP is actually configured and obtain the ASN +asn_list = config.list_nodes(base) +if asn_list: + # There's always just one BGP node, if any + bgp_base = base + [asn_list[0]] + + maximum_paths = bgp_base + ['maximum-paths'] + if config.exists(maximum_paths): + for bgp_type in ['ebgp', 'ibgp']: + if config.exists(maximum_paths + [bgp_type]): + new_base = bgp_base + ['address-family', 'ipv4-unicast', 'maximum-paths'] + config.set(new_base) + config.copy(maximum_paths + [bgp_type], new_base + [bgp_type]) + config.delete(maximum_paths) try: with open(file_name, 'w') as f: |