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29 lines
796 B
Bash
29 lines
796 B
Bash
#!/bin/bash
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## docker-iptables
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##
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## @author gdm85
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## script to show iptables rules with docker names
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## can be used also to detect problems with dead containers and stale iptable rules
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## supports standard iptables-save syntax
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#
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function replace_iptables() {
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local CID
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local SEDCMD=""
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for CID in $(docker ps -q -a); do
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local NAME=$(docker inspect --format '{{ .Name }}' $CID | awk '{ print substr($0, 2, length($0)-1) }')
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local IP=$(docker inspect --format '{{ .NetworkSettings.IPAddress }}' $CID)
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if [ -z "$IP" ]; then
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continue
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fi
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SEDCMD="$SEDCMD -e s!$IP/32!${NAME}!g -e s!$IP!${NAME}!g"
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done
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sed $SEDCMD
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}
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iptables-save $@ | replace_iptables
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