diff options
-rw-r--r-- | data/templates/firewall/nftables-vrf-zones.j2 | 17 | ||||
-rw-r--r-- | data/vyos-firewall-init.conf | 19 | ||||
-rwxr-xr-x | src/conf_mode/vrf.py | 21 |
3 files changed, 19 insertions, 38 deletions
diff --git a/data/templates/firewall/nftables-vrf-zones.j2 b/data/templates/firewall/nftables-vrf-zones.j2 deleted file mode 100644 index 3bce7312d..000000000 --- a/data/templates/firewall/nftables-vrf-zones.j2 +++ /dev/null @@ -1,17 +0,0 @@ -table inet vrf_zones { - # Map of interfaces and connections tracking zones - map ct_iface_map { - typeof iifname : ct zone - } - # Assign unique zones for each VRF - # Chain for inbound traffic - chain vrf_zones_ct_in { - type filter hook prerouting priority raw; policy accept; - counter ct original zone set iifname map @ct_iface_map - } - # Chain for locally-generated traffic - chain vrf_zones_ct_out { - type filter hook output priority raw; policy accept; - counter ct original zone set oifname map @ct_iface_map - } -} diff --git a/data/vyos-firewall-init.conf b/data/vyos-firewall-init.conf index cd7d5011f..5a4e03015 100644 --- a/data/vyos-firewall-init.conf +++ b/data/vyos-firewall-init.conf @@ -54,3 +54,22 @@ table ip6 raw { type filter hook prerouting priority -300; policy accept; } } + +# Required by VRF +table inet vrf_zones { + # Map of interfaces and connections tracking zones + map ct_iface_map { + typeof iifname : ct zone + } + # Assign unique zones for each VRF + # Chain for inbound traffic + chain vrf_zones_ct_in { + type filter hook prerouting priority raw; policy accept; + counter ct original zone set iifname map @ct_iface_map + } + # Chain for locally-generated traffic + chain vrf_zones_ct_out { + type filter hook output priority raw; policy accept; + counter ct original zone set oifname map @ct_iface_map + } +} diff --git a/src/conf_mode/vrf.py b/src/conf_mode/vrf.py index aac9b0616..1db4e99f2 100755 --- a/src/conf_mode/vrf.py +++ b/src/conf_mode/vrf.py @@ -33,8 +33,6 @@ from vyos.utils.network import get_vrf_members from vyos.utils.network import interface_exists from vyos.utils.process import call from vyos.utils.process import cmd -from vyos.utils.process import popen -from vyos.utils.process import run from vyos.utils.system import sysctl_write from vyos import ConfigError from vyos import frr @@ -42,8 +40,6 @@ from vyos import airbag airbag.enable() config_file = '/etc/iproute2/rt_tables.d/vyos-vrf.conf' -nft_vrf_config = '/tmp/nftables-vrf-zones' - k_mod = ['vrf'] def has_rule(af : str, priority : int, table : str): @@ -176,8 +172,6 @@ def verify(vrf): def generate(vrf): # Render iproute2 VR helper names render(config_file, 'iproute2/vrf.conf.j2', vrf) - # Render nftables zones config - render(nft_vrf_config, 'firewall/nftables-vrf-zones.j2', vrf) # Render VRF Kernel/Zebra route-map filters vrf['frr_zebra_config'] = render_to_string('frr/zebra.vrf.route-map.frr.j2', vrf) @@ -230,14 +224,6 @@ def apply(vrf): sysctl_write('net.vrf.strict_mode', strict_mode) if 'name' in vrf: - # Separate VRFs in conntrack table - # check if table already exists - _, err = popen('nft list table inet vrf_zones') - # If not, create a table - if err and os.path.exists(nft_vrf_config): - cmd(f'nft -f {nft_vrf_config}') - os.unlink(nft_vrf_config) - # Linux routing uses rules to find tables - routing targets are then # looked up in those tables. If the lookup got a matching route, the # process ends. @@ -321,13 +307,6 @@ def apply(vrf): frr_cfg.add_before(frr.default_add_before, vrf['frr_zebra_config']) frr_cfg.commit_configuration(zebra_daemon) - # return to default lookup preference when no VRF is configured - if 'name' not in vrf: - # Remove VRF zones table from nftables - tmp = run('nft list table inet vrf_zones') - if tmp == 0: - cmd('nft delete table inet vrf_zones') - return None if __name__ == '__main__': |