59 lines
1.5 KiB
Bash
Executable file
59 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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[ -z "${VERBOSE}" ] || set -x
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[ -z "${IF_METRIC}" ] && IF_METRIC="1"
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[ -n "${IF_VRF_TABLE}" ] && VRF_TABLE="table ${IF_VRF_TABLE}"
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[ -n "${IF_VRF_MEMBER}" ] && VRF_TABLE="vrf ${IF_VRF_MEMBER}"
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[ -n "${IF_METRIC}" ] && METRIC="metric ${IF_METRIC}"
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addr_family() {
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if [ "$1" != "${1#*[0-9].[0-9]}" ]; then
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echo "-4"
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elif [ "$1" != "${1#*:[0-9a-fA-F]}" ]; then
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echo "-6"
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else
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exit 1
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fi
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}
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configure_addresses() {
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for addr in ${IF_ADDRESSES}; do
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addrfam=$(addr_family ${addr})
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if [ "${IF_POINT_TO_POINT}" -a "${addrfam}" = "-4" ]; then
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PEER="peer ${IF_POINT_TO_POINT}"
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else
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PEER=""
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fi
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if [ -z "${MOCK}" -a "${1}" = "del" ]; then
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# When having multiple addresses set from the same prefix they might/will(?) be configured
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# as 'secondary' and implicitly removed when removing the non-secondary address. This
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# leads ip complaining about not being able to remove the secondaries as they are already
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# gone. So we ignore errors while deconfiguring addresses as they liked occur when removing
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# a vanish address anyway.
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${MOCK} ip "${addrfam}" addr "${1}" "${addr}" ${PEER} dev "${IFACE}" 2>/dev/null
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else
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${MOCK} ip "${addrfam}" addr "${1}" "${addr}" ${PEER} dev "${IFACE}"
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fi
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done
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}
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configure_gateways() {
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for gw in ${IF_GATEWAYS}; do
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addrfam=$(addr_family ${gw})
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${MOCK} ip "${addrfam}" route "${1}" default via "${gw}" ${VRF_TABLE} ${METRIC} dev "${IFACE}"
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done
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}
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case "$PHASE" in
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up)
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configure_addresses add
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configure_gateways add
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;;
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down)
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configure_gateways del
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configure_addresses del
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;;
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*) exit 0 ;;
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esac
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