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-rwxr-xr-xsrc/conf_mode/protocols_eigrp.py204
1 files changed, 123 insertions, 81 deletions
diff --git a/src/conf_mode/protocols_eigrp.py b/src/conf_mode/protocols_eigrp.py
index 21ec51337..c1a1a45e1 100755
--- a/src/conf_mode/protocols_eigrp.py
+++ b/src/conf_mode/protocols_eigrp.py
@@ -1,81 +1,123 @@
-#!/usr/bin/env python3
-#
-# Copyright (C) 2022 VyOS maintainers and contributors
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License version 2 or later as
-# published by the Free Software Foundation.
-#
-# This program 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 General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-def get_config(config=None):
- if config:
- conf = config
- else:
- conf = Config()
-
- vrf = None
- if len(argv) > 1:
- vrf = argv[1]
-
- base_path = ['protocols', 'eigrp']
-
- # eqivalent of the C foo ? 'a' : 'b' statement
- base = vrf and ['vrf', 'name', vrf, 'protocols', 'eigrp'] or base_path
- eigrp = conf.get_config_dict(base, key_mangling=('-', '_'),
- get_first_key=True, no_tag_node_value_mangle=True)
-
- # Assign the name of our VRF context. This MUST be done before the return
- # statement below, else on deletion we will delete the default instance
- # instead of the VRF instance.
- if vrf: eigrp.update({'vrf' : vrf})
-
- if not conf.exists(base):
- eigrp.update({'deleted' : ''})
- if not vrf:
- # We are running in the default VRF context, thus we can not delete
- # our main EIGRP instance if there are dependent EIGRP VRF instances.
- eigrp['dependent_vrfs'] = conf.get_config_dict(['vrf', 'name'],
- key_mangling=('-', '_'),
- get_first_key=True,
- no_tag_node_value_mangle=True)
-
- return eigrp
-
- # We also need some additional information from the config, prefix-lists
- # and route-maps for instance. They will be used in verify().
- #
- # XXX: one MUST always call this without the key_mangling() option! See
- # vyos.configverify.verify_common_route_maps() for more information.
- tmp = conf.get_config_dict(['policy'])
- # Merge policy dict into "regular" config dict
- eigrp = dict_merge(tmp, eigrp)
-
- import pprint
- pprint.pprint(eigrp)
- return eigrp
-
-def verify(eigrp):
- pass
-
-def generate(eigrp):
- pass
-
-def apply(eigrp):
- pass
-
-if __name__ == '__main__':
- try:
- c = get_config()
- verify(c)
- generate(c)
- apply(c)
- except ConfigError as e:
- print(e)
- exit(1)
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from sys import exit
+from sys import argv
+
+from vyos.config import Config
+from vyos.configdict import dict_merge
+from vyos.template import render_to_string
+from vyos import ConfigError
+from vyos import frr
+from vyos import airbag
+airbag.enable()
+
+
+def get_config(config=None):
+ if config:
+ conf = config
+ else:
+ conf = Config()
+
+ vrf = None
+ if len(argv) > 1:
+ vrf = argv[1]
+
+ base_path = ['protocols', 'eigrp']
+
+ # eqivalent of the C foo ? 'a' : 'b' statement
+ base = vrf and ['vrf', 'name', vrf, 'protocols', 'eigrp'] or base_path
+ eigrp = conf.get_config_dict(base, key_mangling=('-', '_'),
+ get_first_key=True, no_tag_node_value_mangle=True)
+
+ # Assign the name of our VRF context. This MUST be done before the return
+ # statement below, else on deletion we will delete the default instance
+ # instead of the VRF instance.
+ if vrf: eigrp.update({'vrf' : vrf})
+
+ if not conf.exists(base):
+ eigrp.update({'deleted' : ''})
+ if not vrf:
+ # We are running in the default VRF context, thus we can not delete
+ # our main EIGRP instance if there are dependent EIGRP VRF instances.
+ eigrp['dependent_vrfs'] = conf.get_config_dict(['vrf', 'name'],
+ key_mangling=('-', '_'),
+ get_first_key=True,
+ no_tag_node_value_mangle=True)
+
+ return eigrp
+
+ # We also need some additional information from the config, prefix-lists
+ # and route-maps for instance. They will be used in verify().
+ #
+ # XXX: one MUST always call this without the key_mangling() option! See
+ # vyos.configverify.verify_common_route_maps() for more information.
+ tmp = conf.get_config_dict(['policy'])
+ # Merge policy dict into "regular" config dict
+ eigrp = dict_merge(tmp, eigrp)
+
+ import pprint
+ pprint.pprint(eigrp)
+ return eigrp
+
+def verify(eigrp):
+ pass
+
+def generate(eigrp):
+ if not eigrp or 'deleted' in eigrp:
+ return None
+
+ eigrp['protocol'] = 'eigrp' # required for frr/vrf.route-map.frr.j2
+ eigrp['frr_zebra_config'] = render_to_string('frr/vrf.route-map.frr.j2', eigrp)
+ eigrp['frr_eigrpd_config'] = render_to_string('frr/eigrpd.frr.j2', eigrp)
+
+def apply(eigrp):
+ eigrp_daemon = 'eigrpd'
+ zebra_daemon = 'zebra'
+
+ # Save original configuration prior to starting any commit actions
+ frr_cfg = frr.FRRConfig()
+
+ # The route-map used for the FIB (zebra) is part of the zebra daemon
+ frr_cfg.load_configuration(zebra_daemon)
+ frr_cfg.modify_section(r'(\s+)?ip protocol eigrp route-map [-a-zA-Z0-9.]+', stop_pattern='(\s|!)')
+ if 'frr_zebra_config' in eigrp:
+ frr_cfg.add_before(frr.default_add_before, eigrp['frr_zebra_config'])
+ frr_cfg.commit_configuration(zebra_daemon)
+
+ # Generate empty helper string which can be ammended to FRR commands, it
+ # will be either empty (default VRF) or contain the "vrf <name" statement
+ vrf = ''
+ if 'vrf' in eigrp:
+ vrf = ' vrf ' + eigrp['vrf']
+
+ frr_cfg.load_configuration(eigrp_daemon)
+ frr_cfg.modify_section(f'^router eigrp \d+{vrf}', stop_pattern='^exit', remove_stop_mark=True)
+ if 'frr_eigrpd_config' in eigrp:
+ frr_cfg.add_before(frr.default_add_before, eigrp['frr_eigrpd_config'])
+ frr_cfg.commit_configuration(eigrp_daemon)
+
+ return None
+
+if __name__ == '__main__':
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ exit(1)