infer host interface from default route #8
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fixes #5 |
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There could be more automagic 🦄: Say if the IP is set, try to find the corresponding interface. I don't know, whether that's really useful though, because if you explicitly set the IP you might be able to set the interface as well. |
immanuelfodor
approved these changes
Jun 22, 2021
| @@ -19,9 +19,27 @@ if [ ! -z "${KARP_DEBUG}" ] ; then | |||
| /usr/sbin/ucarp --help | |||
| fi | |||
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| # if no explicit host interface is set, we determine it from the default route | |||
| if [ -z "$KARP_INTERFACE" ] ; then | |||
| KARP_INTERFACE="$(ip r | awk '/^default / { for(i=1; i<=NF; i++) if ($i == "dev") print $(i+1) }')" | |||
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