53 lines
1.6 KiB
Bash
Executable File
53 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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set -Eeuo pipefail
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IFACE=$1
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if [ ${#IFACE} -gt 14 ]; then
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echo "interface name too long, mac 14 char: $IFACE"
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exit 10
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fi
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if [ -e /etc/libvirt/hooks/$IFACE ]
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then
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source /etc/libvirt/hooks/$IFACE
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else
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eval $(
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curl --fail --connect-timeout 5 -s http://stackapi.usw3.admin.stage.wit.com:4000/network_interface?interface_name=$IFACE && \
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curl --fail --connect-timeout 5 -s http://stackapi.usw3.admin.stage.wit.com:4001/network_interface?interface_name=$IFACE
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)
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CLUSTER=${VNI:-""}
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fi
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if ! [[ $CLUSTER =~ ^[0-9]+$ ]]; then
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echo "CLUSTER '$CLUSTER' seems not to be valid"
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exit 10
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fi
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LOOPBACKIP=$(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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VIF=vxlan${CLUSTER}
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[ -z ${PARENTIF:=""} ] || VIF=vlan${CLUSTER} ### if we have a parentif set we're just going to handle it as a legacy old school vlan
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ip link set up ${IFACE}
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if ! ip link show dev ${VIF} &>/dev/null; then
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if [ -z ${PARENTIF:=""} ]
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then
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ip link add ${VIF} type vxlan id ${CLUSTER} dstport 4789 local ${LOOPBACKIP} nolearning
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else
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ip link add link ${PARENTIF} name ${VIF} type vlan protocol 802.1q id ${CLUSTER}
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fi
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ip link set up ${VIF}
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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} ${VIF}
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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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