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pedrolamas/docker-iptables-fix.sh

Created August 18, 2020 19:32
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  1. pedrolamas created this gist Aug 18, 2020.
    28 changes: 28 additions & 0 deletions docker-iptables-fix.sh
    View file
    Original file line number Diff line number Diff line change
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    #!/bin/bash
    currentAttempt=0
    totalAttempts=10
    delay=15

    while [ $currentAttempt -lt $totalAttempts ]
    do
    currentAttempt=$(( $currentAttempt + 1 ))

    echo "Attempt $currentAttempt of $totalAttempts..."

    result=$(iptables-save)

    if [[ $result =~ "-A DOCKER -i docker0 -j RETURN" ]]; then
    echo "Docker rules found! Modifying..."

    iptables -t nat -A PREROUTING -m addrtype --dst-type LOCAL -j DOCKER
    iptables -t nat -A PREROUTING -m addrtype --dst-type LOCAL ! --dst 127.0.0.0/8 -j DOCKER

    echo "Done!"

    break
    fi

    echo "Docker rules not found! Sleeping for $delay seconds..."

    sleep $delay
    done