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authorChristian Breunig <christian@breunig.cc>2024-01-10 11:21:25 +0100
committerGitHub <noreply@github.com>2024-01-10 11:21:25 +0100
commitd7c50c8139828db1bebfc767d0878c81418d439f (patch)
tree6ac98094346fa5e5a59ea276e02f21cec4c2d52a /src
parent7a03e2b0ab1d66b9f73b02c5333bff38fb35e258 (diff)
parent2d778c4cb468352c6ff4ea9d984951f6bb12586c (diff)
downloadvyos-1x-d7c50c8139828db1bebfc767d0878c81418d439f.tar.gz
vyos-1x-d7c50c8139828db1bebfc767d0878c81418d439f.zip
Merge pull request #2783 from vyos/mergify/bp/sagitta/pr-2263
T5530: isis: Adding loop free alternate feature (backport #2263)
Diffstat (limited to 'src')
-rwxr-xr-xsrc/conf_mode/protocols_isis.py37
1 files changed, 35 insertions, 2 deletions
diff --git a/src/conf_mode/protocols_isis.py b/src/conf_mode/protocols_isis.py
index e00c58ee4..ce67ccff7 100755
--- a/src/conf_mode/protocols_isis.py
+++ b/src/conf_mode/protocols_isis.py
@@ -48,7 +48,8 @@ def get_config(config=None):
# eqivalent of the C foo ? 'a' : 'b' statement
base = vrf and ['vrf', 'name', vrf, 'protocols', 'isis'] or base_path
isis = conf.get_config_dict(base, key_mangling=('-', '_'),
- get_first_key=True)
+ 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
@@ -219,6 +220,38 @@ def verify(isis):
if ("explicit_null" in prefix_config['index']) and ("no_php_flag" in prefix_config['index']):
raise ConfigError(f'Segment routing prefix {prefix} cannot have both explicit-null '\
f'and no-php-flag configured at the same time.')
+
+ # Check for LFA tiebreaker index duplication
+ if dict_search('fast_reroute.lfa.local.tiebreaker', isis):
+ comparison_dictionary = {}
+ for item, item_options in isis['fast_reroute']['lfa']['local']['tiebreaker'].items():
+ for index, index_options in item_options.items():
+ for index_value, index_value_options in index_options.items():
+ if index_value not in comparison_dictionary.keys():
+ comparison_dictionary[index_value] = [item]
+ else:
+ comparison_dictionary[index_value].append(item)
+ for index, index_length in comparison_dictionary.items():
+ if int(len(index_length)) > 1:
+ raise ConfigError(f'LFA index {index} cannot have more than one tiebreaker configured.')
+
+ # Check for LFA priority-limit configured multiple times per level
+ if dict_search('fast_reroute.lfa.local.priority_limit', isis):
+ comparison_dictionary = {}
+ for priority, priority_options in isis['fast_reroute']['lfa']['local']['priority_limit'].items():
+ for level, level_options in priority_options.items():
+ if level not in comparison_dictionary.keys():
+ comparison_dictionary[level] = [priority]
+ else:
+ comparison_dictionary[level].append(priority)
+ for level, level_length in comparison_dictionary.items():
+ if int(len(level_length)) > 1:
+ raise ConfigError(f'LFA priority-limit on {level.replace("_", "-")} cannot have more than one priority configured.')
+
+ # Check for LFA remote prefix list configured with more than one list
+ if dict_search('fast_reroute.lfa.remote.prefix_list', isis):
+ if int(len(isis['fast_reroute']['lfa']['remote']['prefix_list'].items())) > 1:
+ raise ConfigError(f'LFA remote prefix-list has more than one configured. Cannot have more than one configured.')
return None
@@ -265,4 +298,4 @@ if __name__ == '__main__':
apply(c)
except ConfigError as e:
print(e)
- exit(1)
+ exit(1) \ No newline at end of file