diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/vrf.py | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/conf_mode/vrf.py b/src/conf_mode/vrf.py index 184725573..33ef70559 100755 --- a/src/conf_mode/vrf.py +++ b/src/conf_mode/vrf.py @@ -15,6 +15,7 @@ # along with this program. If not, see <http://www.gnu.org/licenses/>. from sys import exit +from jmespath import search from json import loads from vyos.config import Config @@ -70,6 +71,14 @@ def has_rule(af : str, priority : int, table : str=None): return True return False +def is_nft_vrf_zone_rule_setup() -> bool: + """ + Check if an nftables connection tracking rule already exists + """ + tmp = loads(cmd('sudo nft -j list table inet vrf_zones')) + num_rules = len(search("nftables[].rule[].chain", tmp)) + return bool(num_rules) + def vrf_interfaces(c, match): matched = [] old_level = c.get_level() @@ -302,7 +311,8 @@ def apply(vrf): nft_add_element = f'add element inet vrf_zones ct_iface_map {{ "{name}" : {table} }}' cmd(f'nft {nft_add_element}') - if vrf['conntrack']: + # Install nftables conntrack rules only once + if vrf['conntrack'] and not is_nft_vrf_zone_rule_setup(): for chain, rule in nftables_rules.items(): cmd(f'nft add rule inet vrf_zones {chain} {rule}') |