Docker AWS (with love)

aws.sh

#!/bin/bash

CWD=${PWD};

aws() {
    docker run --rm -it -v ${HOME}/.aws:/root/.aws -v ${CWD}:/mnt --workdir=/mnt amazon/aws-cli "$@"
    return $?;
}

if [ -z "`which jq`" ]; then
    jq() {
        cat -;
    }
fi


helpers() {

    local h=$1;
    shift;

    get_bucket() {
        echo $1 | sed -e 's#^s3://\([^/]*\)/.*$#\1#g';
    }
    strip_bucket() {
        echo $1 | sed -e 's#^s3://\([^/]*\)/\(.*\)$#\2#g';
    }

    format_versions() {
        echo "$@" | jq -r '.Versions | map([.VersionId, .LastModified, .Size, .Key] | join("\t")) | .[]';
    }

    $h "$@";
}

main() {

    
    local command=$1 internal='love-'$1;
    shift;

    love-ls-versions() {
        local request=$1;
        local bucket=$(helpers get_bucket ${request});
        local prefix=$(helpers strip_bucket ${request});

        local result=$(aws s3api list-object-versions --bucket "${bucket}" --prefix "${prefix}");
        helpers format_versions "${result}";
    }

    love-cp-version() {
        local request=$1;
        local version=$2;
        local bucket=$(helpers get_bucket ${request});
        local key=$(helpers strip_bucket ${request});

        local outputfile=$(basename ${key});

        if [ -z "${version}" ]; then
            love-ls-versions "${request}";
            return $?;
        fi

        aws s3api get-object --version-id "${version}" --bucket "${bucket}" --key "${key}" "${outputfile}";
    }

    type ${internal} >/dev/null 2>&1 && ${internal} "$@" || aws "${command}" "$@";
}

main "$@";