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37 lines
1 KiB
Bash
37 lines
1 KiB
Bash
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#!/usr/bin/env bash
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# Required tools
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DOCKER="${DOCKER:-docker}"
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NSENTER="${NSENTER:-nsenter}"
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BRIDGE="${BRIDGE:-bridge}"
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BRCTL="${BRCTL:-brctl}"
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IPTABLES="${IPTABLES:-iptables}"
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NSDIR=/var/run/docker/netns
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BRIDGEIF=br0
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function die {
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echo $*
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exit 1
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}
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type -P ${DOCKER} > /dev/null || die "This tool requires the docker binary"
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type -P ${NSENTER} > /dev/null || die "This tool requires nsenter"
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type -P ${BRIDGE} > /dev/null || die "This tool requires bridge"
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type -P ${BRCTL} > /dev/null || die "This tool requires brctl"
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type -P ${IPTABLES} > /dev/null || die "This tool requires iptables"
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echo "iptables configuration"
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${IPTABLES} -n -v -L -t filter
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${IPTABLES} -n -v -L -t nat
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echo ""
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echo "Overlay network configuration"
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for networkID in $(${DOCKER} network ls --filter driver=overlay -q) ; do
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echo "Network ${networkID}"
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nspath=(${NSDIR}/*-$(echo ${networkID}| cut -c1-10))
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${NSENTER} --net=${nspath[0]} ${BRIDGE} fdb show ${BRIDGEIF}
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${NSENTER} --net=${nspath[0]} ${BRCTL} showmacs ${BRIDGEIF}
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echo ""
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done
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