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auto-update.sh
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#!/bin/bash
# ----------- ALPINE ----------------------------------------------------------------
for release in 3.13 3.14 3.15 3.16 3.17 3.18 3.19 3.20; do
buckettag="alpine:$release"
bucketfile=bucket/alpine-$release.json
releaseIndexUrl="https://dl-cdn.alpinelinux.org/alpine/v$release/releases/x86_64/"
releaseRegExp='>alpine-minirootfs-[[:digit:]]+\.[[:digit:]]+\.[[:digit:]]+-x86_64.tar.gz<'
releaseLine="$(curl -sL --fail $releaseIndexUrl | grep -E $releaseRegExp | sed -e 's/<[^>]*>//g' | sort --version-sort | tail -n1)"
if [ -z "$releaseLine" ]; then
echo "NO WSL Found for Alpine release $release"
[ -f "$bucketfile" ] && rm $bucketfile
continue
fi
echo "$releaseLine"
#releaseLine="alpine-minirootfs-3.16.2-x86_64.tar.gz 09-Aug-2022 08:47 2720846"
archivefile="$(echo "$releaseLine" | awk -F' ' '{ print $1 }')"
archiveurl="$releaseIndexUrl$archivefile"
latestRelease="$(echo "$releaseLine" | awk -F'-' '{ print $3 }')"
latestReleaseDate="$(echo "$releaseLine" | awk -F' ' '{ print $2" "$3 }')"
latestReleaseDateConverted=$(date -d"$latestReleaseDate" +%Y%m%d)
sha256file="$releaseIndexUrl$archivefile.sha256"
sha256="$(curl -sL $sha256file | cut -d' ' -f1)"
description="Alpine Mini root filesystem $latestRelease [$latestReleaseDateConverted]"
echo "$buckettag: $latestReleaseDate, $description, $sha256 - $archiveurl"
bucketsha256=""
[ -f "$bucketfile" ] || echo "$buckettag: Bucket file not found"
[ -f "$bucketfile" ] && bucketsha256="$(jq -r '.[].sha256' $bucketfile)"
if [ "$bucketsha256" = "$sha256" ]; then
echo "$buckettag: Integrity checked"
else
# download:
echo "Downloading $archiveurl"
curl -L $archiveurl -o $archivefile
# check download sha256:
downloadsha256="$(sha256sum $archivefile | cut -d' ' -f1)"
if [ "$downloadsha256" != "$sha256" ]; then
echo "$buckettag: Download integrity ERROR: $downloadsha256 != $sha256"
exit 2
fi
# compute size:
archivesize="$(ls -lah $archivefile | awk -F " " {'printf "%sB\n", $5'} | sed 's/[0-9][0-9.]*/& /g')"
rm -f $archivefile
# update bucket file:
bucket=$(
cat <<JSON
{
"$buckettag":
{
"source": "https://alpinelinux.org/",
"date": "$(date -d "$latestReleaseDate" +"%Y/%m/%d %H:%M:%S")",
"description": "Official $description",
"note": "",
"archive": "$archiveurl",
"sha256": "$sha256",
"size": "$archivesize"
}
}
JSON
)
echo "$bucket" | tee $bucketfile
fi
echo
done
# ----------- UBUNTU < 22.04---------------------------------------------------------
declare -A ubuntuReleaseNames=(\
[16.04]="Xenial Xerus" \
[18.04]="Bionic Beaver" \
[20.04]="Focal Fossa" \
[22.04]="Jammy Jellyfish" \
)
#for release in 16.04 18.04 20.04 22.04; do
for release in 22.04; do
echo "..."
buckettag="ubuntu:$release"
bucketfile=bucket/ubuntu-$release.json
sha256=""
if [ $release < "22.04" ]; then
ubuntu_repo="https://cloud-images.ubuntu.com/releases/$release"
archivefile="ubuntu-$release-server-cloudimg-amd64-wsl.rootfs.tar.gz"
# get latest build version containing wsl ...
latest_build=latest_build_archive=latest_build_sha256=latest_build_description=latest_build_datetime=""
for test_build in $(curl -sL --fail $ubuntu_repo/ | grep release- | sed 's/.*>release-\([0-9.]*\).*/\1/' | tac); do
latest_build_base_url="$ubuntu_repo/release-$test_build"
sha256file="$latest_build_base_url/SHA256SUMS"
sha256="$(curl -sL $sha256file | grep $archivefile | cut -d' ' -f1)"
if [ ! -z "$sha256" ]; then
latest_build="$test_build"
latest_build_sha256="$sha256"
latest_build_archive="$latest_build_base_url/$archivefile"
latest_build_description="$(curl -sL --fail $latest_build_base_url/ | sed -n 's/<h1>\(.*\)<\/h1>/\1/Ip')"
latest_build_datetime="$(curl -sL --fail $ubuntu_repo/ | grep release-$latest_build | sed 's/.*\([0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\} [0-9]\{2\}:[0-9]\{2\}\).*/\1/')"
break
fi
done
else # 22.04+
release_name="${ubuntuReleaseNames[$release]}"
release_short_name="$(echo $release_name | sed -e 's/\s.*$//' | tr '[:upper:]' '[:lower:]' )"
archivefile="ubuntu-$release_short_name-wsl-amd64-wsl.rootfs.tar.gz"
releaseIndexUrl="https://cloud-images.ubuntu.com/wsl/$release_short_name"
releaseRegExp='>[[:digit:]]+/<'
releaseLine="$(curl -sL --fail $releaseIndexUrl/ | grep -E $releaseRegExp | sed -e 's/<[^>]*>//g' -e 's#/##g' | awk '{ print $1 " " $2;}' | sort --version-sort | tail -n1)"
if [ ! -z "$releaseLine" ]; then
latest_build="$(echo $releaseLine| cut -d' ' -f1)"
latest_build_base_url="$releaseIndexUrl/$latest_build"
sha256file="$latest_build_base_url/SHA256SUMS"
sha256="$(curl -sL $sha256file | grep $archivefile | cut -d' ' -f1)"
if [ ! -z "$sha256" ]; then
latest_build_sha256="$sha256"
latest_build_archive="$latest_build_base_url/$archivefile"
latest_build_description="Official Ubuntu $release LTS ($release_name) [$latest_build]"
latest_build_datetime="$(curl -sL --fail $latest_build_base_url/ | grep $archivefile | sed 's/.*\([0-9]\{4\}-[0-9]\{2\}-[0-9]\{2\} [0-9]\{2\}:[0-9]\{2\}\).*/\1/')"
fi
fi
fi
if [ -z "$sha256" ]; then
echo "NO WSL Found for release $release"
[ -f "$bucketfile" ] && rm $bucketfile
continue
fi
echo "release: $release edition: $latest_build"
echo "sha256: $latest_build_sha256 url: $latest_build_archive"
echo "date: $latest_build_datetime"
echo "description: $latest_build_description"
echo "bucketfile: $bucketfile"
# check integrity with already referenced
[ -f "$bucketfile" ] || echo "$buckettag: Bucket file not found"
[ -f "$bucketfile" ] && bucketsha256="$(jq -r '.[].sha256' $bucketfile)"
if [ "$bucketsha256" = "$latest_build_sha256" ]; then
echo "$buckettag: Integrity checked"
else
# download:
echo "Downloading $latest_build_archive"
curl -L $latest_build_archive -o $archivefile
# check download sha256:
downloadsha256="$(sha256sum $archivefile | cut -d' ' -f1)"
if [ "$downloadsha256" != "$latest_build_sha256" ]; then
echo "$buckettag: Download integrity ERROR: $downloadsha256 != $latest_build_sha256"
exit 2
fi
# compute size:
archivesize="$(ls -lah $archivefile | awk -F " " {'printf "%sB\n", $5'} | sed 's/[0-9][0-9.]*/& /g')"
rm -f $archivefile
# update bucket file:
bucket=$(
cat <<JSON
{
"$buckettag":
{
"source": "https://cloud-images.ubuntu.com",
"date": "$(date -d "$latest_build_datetime" +"%Y/%m/%d %H:%M:%S")",
"description": "Official $latest_build_description",
"note": "",
"archive": "$latest_build_archive",
"sha256": "$latest_build_sha256",
"size": "$archivesize"
}
}
JSON
)
echo "$bucket" | tee $bucketfile
fi
echo
done
# Finally compose global register.json
find ./bucket -name "*.json" -exec cat {} \; | jq -M -s 'reduce .[] as $d ({}; . *=$d)' >register.json
cat register.json