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| author | Christian Breunig <christian@breunig.cc> | 2024-06-26 15:35:10 +0200 |
|---|---|---|
| committer | Christian Breunig <christian@breunig.cc> | 2024-06-26 15:39:10 +0200 |
| commit | e47d4fd385631236da6882233b09f6364cbb077b (patch) | |
| tree | 5a6656a74e720502d97daf91d5055a386a53f71e /python/vyos/ethtool.py | |
| parent | e458035e1ab56c7c21e53f26d8a39f00a62e5c9c (diff) | |
| download | vyos-1x-e47d4fd385631236da6882233b09f6364cbb077b.tar.gz vyos-1x-e47d4fd385631236da6882233b09f6364cbb077b.zip | |
interfaces: T6519: harden config migration if ethernet interface is missing
During a corner case where the configuration is migrated to a different system
with fewer ethernet interfaces, migration will fail during an image upgrade.
vyos.ethtool.Ethtool() is instantiated with an invalid interface leading to an
exception that kills the migrator
Diffstat (limited to 'python/vyos/ethtool.py')
| -rw-r--r-- | python/vyos/ethtool.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/python/vyos/ethtool.py b/python/vyos/ethtool.py index d45c9c272..80bb56fa2 100644 --- a/python/vyos/ethtool.py +++ b/python/vyos/ethtool.py @@ -16,6 +16,7 @@ import re from json import loads +from vyos.utils.network import interface_exists from vyos.utils.process import popen # These drivers do not support using ethtool to change the speed, duplex, or @@ -64,6 +65,9 @@ class Ethtool: def __init__(self, ifname): # Get driver used for interface + if not interface_exists(ifname): + raise ValueError(f'Interface "{ifname}" does not exist!') + out, _ = popen(f'ethtool --driver {ifname}') driver = re.search(r'driver:\s(\w+)', out) if driver: |