vrf: T31: initial support for a VRF backend in XML/Python

This is a work in progress to complete T31 whoever thought it was less than
1 hour of work was ..... optimistic.

Only VRF vreation and show is supported right now. No interface can be bound
to any one VRF.

1 files changed, 27 insertions, 0 deletions

diff --git a/src/completion/list_vrf.py b/src/completion/list_vrf.py
new file mode 100755
index 000000000..210b3c9a4
--- /dev/null
+++ b/src/completion/list_vrf.py
@@ -0,0 +1,27 @@
+#!/usr/bin/env python3
+
+import argparse
+import vyos.vrf
+
+parser = argparse.ArgumentParser()
+group = parser.add_mutually_exclusive_group()
+group.add_argument("-e", "--extensive", action="store_true",
+                   help="provide detailed vrf informatio")
+parser.add_argument('interface', metavar='I', type=str, nargs='?',
+                    help='interface to display')
+
+args = parser.parse_args()
+
+if args.extensive:
+    print('{:16}  {:7}  {:17}  {}'.format('interface', 'state', 'mac', 'flags'))
+    print('{:16}  {:7}  {:17}  {}'.format('---------', '-----', '---', '-----'))
+    for vrf in vyos.vrf.list_vrfs():
+        name = vrf['ifname']
+        if args.interface and name != args.interface:
+            continue
+        state = vrf['operstate'].lower()
+        mac = vrf['address'].lower()
+        info = ','.join([_.lower() for _ in vrf['flags']])
+        print(f'{name:16}  {state:7}  {mac:17}  {info}')
+else:
+    print(" ".join([vrf['ifname'] for vrf in vyos.vrf.list_vrfs()]))