ifupdown-ng/executor-scripts/linux/static
Ariadne Conill 74b6f9487c static: always associate default routes with $IFACE
Hetzner uses link-local addressing for their default IPv6 route,
accordingly we should specify the device a route is associated with
so that it will use the correct interface.

Thanks to Devin Brown for reporting this issue.
2020-10-02 15:44:46 -06:00

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#!/bin/sh
set -e
[ -z "$IF_METRIC" ] && IF_METRIC="1"
[ -n "$IF_VRF_TABLE" ] && VRF_TABLE="table $IF_VRF_TABLE"
[ -n "$IF_VRF_MEMBER" ] && VRF_TABLE="vrf $IF_VRF_MEMBER"
[ -n "$IF_METRIC" ] && METRIC="metric $IF_METRIC"
addr_family() {
if [ "$1" != "${1#*[0-9].[0-9]}" ]; then
echo "-4"
elif [ "$1" != "${1#*:[0-9a-fA-F]}" ]; then
echo "-6"
else
exit 1
fi
}
configure_addresses() {
for i in $(ifquery -p address -i $INTERFACES_FILE $IFACE); do
addrfam=$(addr_family $i)
${MOCK} ip $addrfam addr $1 $i dev $IFACE
done
}
configure_gateways() {
for i in $(ifquery -p gateway -i $INTERFACES_FILE $IFACE); do
addrfam=$(addr_family $i)
${MOCK} ip $addrfam route $1 default via $i $VRF_TABLE $METRIC dev $IFACE
done
}
[ -z "$VERBOSE" ] || set -x
case "$PHASE" in
up)
configure_addresses add
configure_gateways add
;;
down)
configure_gateways del
configure_addresses del
;;
*) exit 0 ;;
esac