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#!/bin/sh
#
# This executor is responsible for setting up bond/LAG interfaces.
#
# Sat, 03 Oct 2020 20:42:19 +0200
# -- Maximilian Wilhelm <max@sdn.clinic>
#
[ -n "$VERBOSE" ] && set -x
get_bond_options() {
# We only care for options of format IF_BOND_<OPTION_NAME>
env | grep '^IF_BOND_[A-Z0-9_]\+' | while IFS="=" read opt value; do
# Members are handled seperately
if [ "${opt}" = "IF_BOND_MEMBERS" ]; then
continue
fi
# Convert options for the actual name
real_opt=$(echo "${opt}" | sed -e 's/^IF_BOND_\([A-Z0-9_]\+\)/\1/' | tr '[A-Z]' '[a-z]')
echo -n " ${real_opt} ${value}"
done
}
case "$PHASE" in
depend)
echo "${IF_BOND_MEMBERS}"
;;
create)
if [ -d "/sys/class/net/${IFACE}" ]; then
exit 0
fi
# Gather bonding options for this interface
options=$(get_bond_options)
# Create bond
${MOCK} ip link add "${IFACE}" type bond ${options}
# Add members to bundle
for member_iface in ${IF_BOND_MEMBERS}; do
# Work around the current execution order
${MOCK} ip link set "${member_iface}" down
${MOCK} ip link set master "${IFACE}" "${member_iface}"
${MOCK} ip link set "${member_iface}" up
done
;;
destroy)
if [ -z "${MOCK}" -a ! -d "/sys/class/net/${IFACE}" ]; then
exit 0
fi
${MOCK} ip link del "${IFACE}"
;;
esac
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