Merge branch 't31-vrf' of github.com:c-po/vyos-1x into current

* 't31-vrf' of github.com:c-po/vyos-1x:
  vrf: T31: enable vrf support for dummy interface
  templates: T2099: make op-mode path completion helper working
  vrf: T31: reorder routing table lookups
  vrf: T31: adding unreachable routes to the routing tables
  vrf: T31: prior to the v4.8 kernel iif and oif rules are needed
  vrf: T31: create iproute2 table to name mapping reference
  vrf: T31: rename 'vrf disable-bind-to-all ipv4' to 'vrf bind-to-all'
  vrf: T31: support add/remove of interfaces from vrf
  vrf: T31: remove superfluous vyos.vrf library functions
  vrf: T31: reduce script complexity
  vrf: T31: no need to use sudo calls in vrf.py
  vrf: T31: make 'show vrf' command behave like other 'show interface commands'
  xml: include: description: adjust help message
  vrf: T31: improve help for routing table
  vrf: T31: reuse interface-description.xml.i for instance description
  vrf: T31: use embedded regex on 'vrf name' instead of python script
  vrf: T31: initial support for a VRF backend in XML/Python
  ifconfig: T2057: generic interface option setting

1 files changed, 48 insertions, 0 deletions

diff --git a/src/op_mode/show_vrf.py b/src/op_mode/show_vrf.py
new file mode 100755
index 000000000..ec894d572
--- /dev/null
+++ b/src/op_mode/show_vrf.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import argparse
+
+from subprocess import check_output
+from json import loads
+
+def list_vrfs():
+    command = 'ip -j -br link show type vrf'
+    answer = loads(check_output(command.split()).decode())
+    return [_ for _ in answer if _]
+
+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 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 list_vrfs()]))