34 lines
834 B
Bash
Executable File
34 lines
834 B
Bash
Executable File
#!/bin/bash
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set -Eeuo pipefail
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IFACE=$1
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source /etc/libvirt/hooks/$IFACE || true
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if ! [[ $CLUSTER =~ ^[0-9]+$ ]]; then
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echo "CLUSTER seems not to be valid"
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exit 10
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fi
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LOOPBACKIP=$(ip -4 addr show dev lo | grep -Po 'inet \K[\d.]+' | grep -v "^127.0.0.1$")
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BRIDGE=br${CLUSTER}
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VXLAN=vxlan${CLUSTER}
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VNI=${CLUSTER}
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ip link set up ${IFACE}
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if ! ip link show dev ${VXLAN} &>/dev/null; then
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ip link add ${VXLAN} type vxlan id ${VNI} dstport 4789 local ${LOOPBACKIP} nolearning
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ip link set up ${VXLAN}
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fi
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if ! ip link show dev ${BRIDGE} &>/dev/null; then
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brctl addbr ${BRIDGE}
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brctl stp ${BRIDGE} off
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brctl addif ${BRIDGE} ${VXLAN}
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ip link set up dev ${BRIDGE}
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bridge vlan del dev ${BRIDGE} vid 1 self
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echo 1 >/sys/class/net/${BRIDGE}/bridge/vlan_filtering
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fi
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brctl addif ${BRIDGE} ${IFACE}
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