Merge pull request #3737 from dmbaturin/T6530-iproute2-helper

utils: T6530: add a helper for easily calling iproute2 commands

1 files changed, 15 insertions, 0 deletions

diff --git a/python/vyos/utils/process.py b/python/vyos/utils/process.py
index bd0644bc0..60ef87a51 100644
--- a/python/vyos/utils/process.py
+++ b/python/vyos/utils/process.py
@@ -245,3 +245,18 @@ def is_systemd_service_running(service):
     Copied from: https://unix.stackexchange.com/a/435317 """
     tmp = cmd(f'systemctl show --value -p SubState {service}')
     return bool((tmp == 'running'))
+
+def ip_cmd(args, json=True):
+    """ A helper for easily calling iproute2 commands """
+    if json:
+        from json import loads
+        res = cmd(f"ip --json {args}").strip()
+        if res:
+            return loads(res)
+        else:
+            # Many mutation commands like "ip link set"
+            # return an empty string
+            return None
+    else:
+        res = cmd(f"ip {args}")
+        return res