From cfb5b052c84ffba789d61a59350676b6b4a0a5f7 Mon Sep 17 00:00:00 2001 From: Cheeze_It Date: Tue, 9 Jan 2024 18:18:26 -0700 Subject: T5916: Added segment routing check for index base size and SRGB base size --- src/conf_mode/protocols_isis.py | 15 ++++++++++++++- src/conf_mode/protocols_ospf.py | 13 +++++++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/conf_mode/protocols_isis.py b/src/conf_mode/protocols_isis.py index ce67ccff7..8d594bb68 100755 --- a/src/conf_mode/protocols_isis.py +++ b/src/conf_mode/protocols_isis.py @@ -220,7 +220,20 @@ 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 index ranges being larger than the segment routing global block + if dict_search('segment_routing.global_block', isis): + g_high_label_value = dict_search('segment_routing.global_block.high_label_value', isis) + g_low_label_value = dict_search('segment_routing.global_block.low_label_value', isis) + g_label_difference = int(g_high_label_value) - int(g_low_label_value) + if dict_search('segment_routing.prefix', isis): + for prefix, prefix_config in isis['segment_routing']['prefix'].items(): + if 'index' in prefix_config: + index_size = isis['segment_routing']['prefix'][prefix]['index']['value'] + if int(index_size) > int(g_label_difference): + raise ConfigError(f'Segment routing prefix {prefix} cannot have an '\ + f'index base size larger than the SRGB label base.') + # Check for LFA tiebreaker index duplication if dict_search('fast_reroute.lfa.local.tiebreaker', isis): comparison_dictionary = {} diff --git a/src/conf_mode/protocols_ospf.py b/src/conf_mode/protocols_ospf.py index 2f07142a3..34cf49286 100755 --- a/src/conf_mode/protocols_ospf.py +++ b/src/conf_mode/protocols_ospf.py @@ -213,6 +213,19 @@ def verify(ospf): raise ConfigError(f'Segment routing prefix {prefix} cannot have both explicit-null '\ f'and no-php-flag configured at the same time.') + # Check for index ranges being larger than the segment routing global block + if dict_search('segment_routing.global_block', ospf): + g_high_label_value = dict_search('segment_routing.global_block.high_label_value', ospf) + g_low_label_value = dict_search('segment_routing.global_block.low_label_value', ospf) + g_label_difference = int(g_high_label_value) - int(g_low_label_value) + if dict_search('segment_routing.prefix', ospf): + for prefix, prefix_config in ospf['segment_routing']['prefix'].items(): + if 'index' in prefix_config: + index_size = ospf['segment_routing']['prefix'][prefix]['index']['value'] + if int(index_size) > int(g_label_difference): + raise ConfigError(f'Segment routing prefix {prefix} cannot have an '\ + f'index base size larger than the SRGB label base.') + # Check route summarisation if 'summary_address' in ospf: for prefix, prefix_options in ospf['summary_address'].items(): -- cgit v1.2.3