vyos.util: add helper get_all_vrfs()

The helper will return a dict in form:
{'red': {'table': 1000}, 'blue': {'table': 2000}}

1 files changed, 13 insertions, 0 deletions

diff --git a/python/vyos/util.py b/python/vyos/util.py
index 17a7dda91..837faa632 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -655,3 +655,16 @@ def get_json_iface_options(interface):
     from json import loads
     tmp = loads(cmd(f'ip -d -j link show {interface}'))[0]
     return tmp
+
+def get_all_vrfs():
+    """ Return a dictionary of all system wide known VRF instances """
+    from json import loads
+    tmp = loads(cmd('ip -j vrf list'))
+    # Result is of type [{"name":"red","table":1000},{"name":"blue","table":2000}]
+    # so we will re-arrange it to a more nicer representation:
+    # {'red': {'table': 1000}, 'blue': {'table': 2000}}
+    data = {}
+    for entry in tmp:
+        name = entry.pop('name')
+        data[name] = entry
+    return data