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| -rw-r--r-- | python/vyos/util.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/python/vyos/util.py b/python/vyos/util.py index 92b6f7992..c708c1eb4 100644 --- a/python/vyos/util.py +++ b/python/vyos/util.py @@ -498,3 +498,27 @@ def get_half_cpus(): if cpu > 1: cpu /= 2 return int(cpu) + +def ifname_from_config(conf): + """ + Gets interface name with VLANs from current config level. + Level must be at the interface whose name we want. + + Example: + >>> from vyos.util import ifname_from_config + >>> from vyos.config import Config + >>> conf = Config() + >>> conf.set_level('interfaces ethernet eth0 vif-s 1 vif-c 2') + >>> ifname_from_config(conf) + 'eth0.1.2' + """ + level = conf.get_level() + + # vlans + if level[-2] == 'vif' or level[-2] == 'vif-s': + return level[-3] + '.' + level[-1] + if level[-2] == 'vif-c': + return level[-5] + '.' + level[-3] + '.' + level[-1] + + # no vlans + return level[-1] |