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50 lines
1.5 KiB
50 lines
1.5 KiB
#!/bin/sh
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# create a package list for every docker image in a "packages" directory
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update_package_list()
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{
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# update package list if image is newer
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# usage: update_package_list <image> <package list> <update command>
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image=$1; shift
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package_list=$1; shift
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date_image=$(docker inspect --format='{{.Created}}' "$image")
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[ -z "$date_image" ] && return 1
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date_image=$(date -d "$date_image" +%s)
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if [ -e "$package_list" ]; then
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if [ ! -f "$package_list" ]; then
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echo "$package_list: can't update, not a regular file" >&2
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return 1
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fi
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[ "$(stat -c %Y "$package_list")" -ge "$date_image" ] && \
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return 1
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fi
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if [ "$1" = "apk" ]; then
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docker run --entrypoint "" --rm "$image" "$@" | LANG=C sort > "$package_list"
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else
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docker run --entrypoint "" --rm "$image" "$@" > "$package_list"
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fi
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}
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mkdir -p packages
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# Debian based base images
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update_package_list debian:buster-slim packages/debian_buster dpkg -l
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update_package_list ehlers/ipterm packages/ipterm dpkg -l
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update_package_list ehlers/webterm packages/webterm dpkg -l
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# Debian based images
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grep -ilE '^FROM .*\b(debian|ipterm|webterm)' -- */Dockerfile | while read -r dockerfile; do
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image=$(dirname "$dockerfile")
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update_package_list "$image" "packages/$image" dpkg -l
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done
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# Alpine base image
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update_package_list alpine packages/alpine apk list -q -I
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# Alpine based images
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grep -il '^FROM alpine' -- */Dockerfile | while read -r dockerfile; do
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image=$(dirname "$dockerfile")
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update_package_list "$image" "packages/$image" apk list -q -I
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done
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