diff options
Diffstat (limited to 'src/migration-scripts/bgp')
| -rw-r--r-- | src/migration-scripts/bgp/0-to-1 | 40 | ||||
| -rw-r--r-- | src/migration-scripts/bgp/1-to-2 | 64 | ||||
| -rw-r--r-- | src/migration-scripts/bgp/2-to-3 | 30 | ||||
| -rw-r--r-- | src/migration-scripts/bgp/3-to-4 | 43 | ||||
| -rw-r--r-- | src/migration-scripts/bgp/4-to-5 | 46 |
5 files changed, 223 insertions, 0 deletions
diff --git a/src/migration-scripts/bgp/0-to-1 b/src/migration-scripts/bgp/0-to-1 new file mode 100644 index 0000000..a2f3343 --- /dev/null +++ b/src/migration-scripts/bgp/0-to-1 @@ -0,0 +1,40 @@ +# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library. If not, see <http://www.gnu.org/licenses/>. + +# T3417: migrate BGP tagNode to node as we can only have one BGP process + +from vyos.configtree import ConfigTree + +def migrate(config: ConfigTree) -> None: + base = ['protocols', 'bgp'] + + if not config.exists(base) or not config.is_tag(base): + # Nothing to do + return + + # Only one BGP process is supported, thus this operation is savea + asn = config.list_nodes(base) + bgp_base = base + asn + + # We need a temporary copy of the config + tmp_base = ['protocols', 'bgp2'] + config.copy(bgp_base, tmp_base) + + # Now it's save to delete the old configuration + config.delete(base) + + # Rename temporary copy to new final config and set new "local-as" option + config.rename(tmp_base, 'bgp') + config.set(base + ['local-as'], value=asn[0]) diff --git a/src/migration-scripts/bgp/1-to-2 b/src/migration-scripts/bgp/1-to-2 new file mode 100644 index 0000000..c0fc3b0 --- /dev/null +++ b/src/migration-scripts/bgp/1-to-2 @@ -0,0 +1,64 @@ +# Copyright 2021-2024 VyOS maintainers and contributors <maintainers@vyos.io> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library. If not, see <http://www.gnu.org/licenses/>. + +# T3741: no-ipv4-unicast is now enabled by default +# T5937: Migrate IPv6 BGP Neighbor Peer Groups + +from vyos.configtree import ConfigTree + +base = ['protocols', 'bgp'] + +def migrate(config: ConfigTree) -> None: + if not config.exists(base): + # Nothing to do + return + + # This is now a default option - simply delete it. + # As it was configured explicitly - we can also bail out early as we need to + # do nothing! + if config.exists(base + ['parameters', 'default', 'no-ipv4-unicast']): + config.delete(base + ['parameters', 'default', 'no-ipv4-unicast']) + + # Check if the "default" node is now empty, if so - remove it + if len(config.list_nodes(base + ['parameters', 'default'])) == 0: + config.delete(base + ['parameters', 'default']) + + # Check if the "default" node is now empty, if so - remove it + if len(config.list_nodes(base + ['parameters'])) == 0: + config.delete(base + ['parameters']) + else: + # As we now install a new default option into BGP we need to migrate all + # existing BGP neighbors and restore the old behavior + if config.exists(base + ['neighbor']): + for neighbor in config.list_nodes(base + ['neighbor']): + peer_group = base + ['neighbor', neighbor, 'peer-group'] + if config.exists(peer_group): + peer_group_name = config.return_value(peer_group) + # peer group enables old behavior for neighbor - bail out + if config.exists(base + ['peer-group', peer_group_name, 'address-family', 'ipv4-unicast']): + continue + + afi_ipv4 = base + ['neighbor', neighbor, 'address-family', 'ipv4-unicast'] + if not config.exists(afi_ipv4): + config.set(afi_ipv4) + + # Migrate IPv6 AFI peer-group + if config.exists(base + ['neighbor']): + for neighbor in config.list_nodes(base + ['neighbor']): + tmp_path = base + ['neighbor', neighbor, 'address-family', 'ipv6-unicast', 'peer-group'] + if config.exists(tmp_path): + peer_group = config.return_value(tmp_path) + config.set(base + ['neighbor', neighbor, 'peer-group'], value=peer_group) + config.delete(tmp_path) diff --git a/src/migration-scripts/bgp/2-to-3 b/src/migration-scripts/bgp/2-to-3 new file mode 100644 index 0000000..d8bc34d --- /dev/null +++ b/src/migration-scripts/bgp/2-to-3 @@ -0,0 +1,30 @@ +# Copyright 2022-2024 VyOS maintainers and contributors <maintainers@vyos.io> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library. If not, see <http://www.gnu.org/licenses/>. + +# T4257: Discussion on changing BGP autonomous system number syntax + +from vyos.configtree import ConfigTree + +def migrate(config: ConfigTree) -> None: + # Check if BGP is even configured. Then check if local-as exists, then add the system-as, then remove the local-as. This is for global configuration. + if config.exists(['protocols', 'bgp']): + if config.exists(['protocols', 'bgp', 'local-as']): + config.rename(['protocols', 'bgp', 'local-as'], 'system-as') + + # Check if vrf names are configured. Then check if local-as exists inside of a name, then add the system-as, then remove the local-as. This is for vrf configuration. + if config.exists(['vrf', 'name']): + for vrf in config.list_nodes(['vrf', 'name']): + if config.exists(['vrf', f'name {vrf}', 'protocols', 'bgp', 'local-as']): + config.rename(['vrf', f'name {vrf}', 'protocols', 'bgp', 'local-as'], 'system-as') diff --git a/src/migration-scripts/bgp/3-to-4 b/src/migration-scripts/bgp/3-to-4 new file mode 100644 index 0000000..842aef0 --- /dev/null +++ b/src/migration-scripts/bgp/3-to-4 @@ -0,0 +1,43 @@ +# Copyright 2023-2024 VyOS maintainers and contributors <maintainers@vyos.io> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library. If not, see <http://www.gnu.org/licenses/>. + +# T5150: Rework CLI definitions to apply route-maps between routing daemons +# and zebra/kernel + +from vyos.configtree import ConfigTree + +def migrate(config: ConfigTree) -> None: + bgp_base = ['protocols', 'bgp'] + # Check if BGP is configured - if so, migrate the CLI node + if config.exists(bgp_base): + if config.exists(bgp_base + ['route-map']): + tmp = config.return_value(bgp_base + ['route-map']) + + config.set(['system', 'ip', 'protocol', 'bgp', 'route-map'], value=tmp) + config.set_tag(['system', 'ip', 'protocol']) + config.delete(bgp_base + ['route-map']) + + + # Check if vrf names are configured. Check if BGP is configured - if so, migrate + # the CLI node(s) + if config.exists(['vrf', 'name']): + for vrf in config.list_nodes(['vrf', 'name']): + vrf_base = ['vrf', 'name', vrf] + if config.exists(vrf_base + ['protocols', 'bgp', 'route-map']): + tmp = config.return_value(vrf_base + ['protocols', 'bgp', 'route-map']) + + config.set(vrf_base + ['ip', 'protocol', 'bgp', 'route-map'], value=tmp) + config.set_tag(vrf_base + ['ip', 'protocol', 'bgp']) + config.delete(vrf_base + ['protocols', 'bgp', 'route-map']) diff --git a/src/migration-scripts/bgp/4-to-5 b/src/migration-scripts/bgp/4-to-5 new file mode 100644 index 0000000..d779eb1 --- /dev/null +++ b/src/migration-scripts/bgp/4-to-5 @@ -0,0 +1,46 @@ +# Copyright 2024 VyOS maintainers and contributors <maintainers@vyos.io> +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with this library. If not, see <http://www.gnu.org/licenses/>. + +# Delete 'protocols bgp address-family ipv6-unicast route-target vpn +# import/export', if 'protocols bgp address-family ipv6-unicast +# route-target vpn both' exists + +from vyos.configtree import ConfigTree + +def migrate(config: ConfigTree) -> None: + bgp_base = ['protocols', 'bgp'] + # Delete 'import/export' in default vrf if 'both' exists + if config.exists(bgp_base): + for address_family in ['ipv4-unicast', 'ipv6-unicast']: + rt_path = bgp_base + ['address-family', address_family, 'route-target', + 'vpn'] + if config.exists(rt_path + ['both']): + if config.exists(rt_path + ['import']): + config.delete(rt_path + ['import']) + if config.exists(rt_path + ['export']): + config.delete(rt_path + ['export']) + + # Delete import/export in vrfs if both exists + if config.exists(['vrf', 'name']): + for vrf in config.list_nodes(['vrf', 'name']): + vrf_base = ['vrf', 'name', vrf] + for address_family in ['ipv4-unicast', 'ipv6-unicast']: + rt_path = vrf_base + bgp_base + ['address-family', address_family, + 'route-target', 'vpn'] + if config.exists(rt_path + ['both']): + if config.exists(rt_path + ['import']): + config.delete(rt_path + ['import']) + if config.exists(rt_path + ['export']): + config.delete(rt_path + ['export']) |