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30 lines
784 B
30 lines
784 B
4 years ago
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#!/bin/sh
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if [ $# -lt 3 ]; then
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echo "This script will create a veth pair, attach one end to an OVS bridge,"
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echo "and another end to the specified container as a virtual NIC."
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echo ""
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echo "Usage: $0 <CONTAINER> <VETH> <PEER> <OVS BRIDGE>"
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echo "Example: $0 test-container-1 veth-1 peer-1 br-int"
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exit 1
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fi
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CONTAINER=$1
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VETH=$2
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PEER=$3
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OVS_BR=$4
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NETNS=`sudo docker inspect -f '{{.State.Pid}}' $CONTAINER`
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echo "add veth pair[$VETH <--> $PEER] to container[$CONTAINER] in netns[$NETNS]"
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ip link delete $VETH || true
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ip link add $VETH type veth peer name $PEER
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echo "add port to ovs bridge $OVS_BR"
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ovs-vsctl add-port $OVS_BR $VETH
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echo "move $PEER to netns $NETNS"
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ip link set $PEER netns $NETNS
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ip netns exec $NETNS ip link set dev $PEER up
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echo "done"
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