vrf: T31: create iproute2 table to name mapping reference

1 files changed, 21 insertions, 0 deletions

diff --git a/src/conf_mode/vrf.py b/src/conf_mode/vrf.py
index e31285dde..91d8f8432 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/>.
 
 import os
+import jinja2
 
 from sys import exit
 from copy import deepcopy
@@ -23,6 +24,21 @@ from vyos.config import Config
 from vyos.configdict import list_diff
 from vyos import ConfigError
 
+config_file = r'/etc/iproute2/rt_tables.d/vyos-vrf.conf'
+
+# Please be careful if you edit the template.
+config_tmpl = """
+### Autogenerated by vrf.py ###
+#
+# Routing table ID to name mapping reference
+
+# id       vrf name         comment
+{% for vrf in vrf_add -%}
+{{ "%-10s" | format(vrf.table) }} {{ "%-16s" | format(vrf.name) }} # {{ vrf.description }}
+{% endfor -%}
+
+"""
+
 default_config_data = {
     'bind_to_all': 0,
     'deleted': False,
@@ -141,6 +157,11 @@ def verify(vrf_config):
     return None
 
 def generate(vrf_config):
+    tmpl = jinja2.Template(config_tmpl)
+    config_text = tmpl.render(vrf_config)
+    with open(config_file, 'w') as f:
+        f.write(config_text)
+
     return None
 
 def apply(vrf_config):