1 files changed, 82 insertions, 0 deletions
diff --git a/src/op_mode/vrf.py b/src/op_mode/vrf.py
new file mode 100644
index 0000000..51032a4
--- /dev/null
+++ b/src/op_mode/vrf.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022-2023 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 json
+import jmespath
+import sys
+import typing
+
+from tabulate import tabulate
+from vyos.utils.network import get_vrf_members
+from vyos.utils.process import cmd
+
+import vyos.opmode
+
+def _get_raw_data(name=None):
+    """
+    If vrf name is not set - get all VRFs
+    If vrf name is set - get only this name data
+    If vrf name set and not found - return []
+    """
+    output = cmd('ip --json --brief link show type vrf')
+    data = json.loads(output)
+    if not data:
+        return []
+    if name:
+        is_vrf_exists = True if [vrf for vrf in data if vrf.get('ifname') == name] else False
+        if is_vrf_exists:
+            output = cmd(f'ip --json --brief link show dev {name}')
+            data = json.loads(output)
+            return data
+        return []
+    return data
+
+
+def _get_formatted_output(raw_data):
+    data_entries = []
+    for vrf in raw_data:
+        name = vrf.get('ifname')
+        state = vrf.get('operstate').lower()
+        hw_address = vrf.get('address')
+        flags = ','.join(vrf.get('flags')).lower()
+        tmp = get_vrf_members(name)
+        if tmp: members = ','.join(get_vrf_members(name))
+        else: members = 'n/a'
+        data_entries.append([name, state, hw_address, flags, members])
+
+    headers = ["Name", "State", "MAC address", "Flags", "Interfaces"]
+    output = tabulate(data_entries, headers, numalign="left")
+    return output
+
+
+def show(raw: bool, name: typing.Optional[str]):
+    vrf_data = _get_raw_data(name=name)
+    if not jmespath.search('[*].ifname', vrf_data):
+        return "VRF is not configured"
+    if raw:
+        return vrf_data
+    else:
+        return _get_formatted_output(vrf_data)
+
+
+if __name__ == "__main__":
+    try:
+        res = vyos.opmode.run(sys.modules[__name__])
+        if res:
+            print(res)
+    except (ValueError, vyos.opmode.Error) as e:
+        print(e)
+        sys.exit(1)