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DevOps-Bash-tools/docker/docker_package_check.sh

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#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
# args: ubuntu pre-commit
#
# Author: Hari Sekhon
# Date: 2024-09-22 20:47:39 +0100 (Sun, 22 Sep 2024)
#
# https///github.com/HariSekhon/DevOps-Bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/HariSekhon
#
set -euo pipefail
[ -n "${DEBUG:-}" ] && set -x
srcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck disable=SC1090,SC1091
. "$srcdir/lib/utils.sh"
# shellcheck disable=SC2034,SC2154
usage_description="
Runs package installs on the last 8 major versions of a given docker image to check given packages are available
before adding them and breaking builds across distro versions
Uses adjacent scripts:
../bin/linux_distro_versions.sh
../packages/install_packages.sh
to install the packages using whatever local package manager is detected
Set environment variable MAX_VERSIONS to change the number of distro versions to run against (default: 8)
Currently only supports DockerHub images
"
# used by usage() in lib/utils.sh
# shellcheck disable=SC2034
usage_args="<image> <package1> [<package2> <package3> ...]"
help_usage "$@"
min_args 2 "$@"
image="$1"
shift || :
max_versions="${MAX_VERSIONS:-8}"
if ! is_int "$max_versions"; then
die "MAX_VERSIONS may only be set to an integer, not: $max_versions"
fi
check_bin docker
if [[ "$image" =~ alpine ]]; then
major_versions="$("$srcdir/../bin/linux_distro_versions.sh" alpine)"
elif [[ "$image" =~ debian ]]; then
major_versions="$("$srcdir/../bin/linux_distro_versions.sh" debian)"
elif [[ "$image" =~ ubuntu ]]; then
major_versions="$("$srcdir/../bin/linux_distro_versions.sh" ubuntu)"
elif [[ "$image" =~ fedora ]]; then
major_versions="$("$srcdir/../bin/linux_distro_versions.sh" fedora)"
elif [[ "$image" =~ centos ]]; then
major_versions="$("$srcdir/../bin/linux_distro_versions.sh" centos)"
else
timestamp "Querying DockerHub for major versions of image '$image'"
major_versions="$(
"$srcdir/../docker/dockerhub_list_tags.sh" "$image" |
grep -Eo -e '^[[:digit:]]+(\.[[:digit:]]+)?$' \
-e '^latest$'
)"
fi
if grep -Eq '^[[:digit:]]+$' <<< "$major_versions"; then
timestamp "Major version tags detected, using only those to save time"
major_versions="$(grep -EO -e '^[[:digit:]]+$' -e 'latest' <<< "$major_versions" | sort -Vr)"
fi
major_versions="$(head -n "$max_versions" <<< "$major_versions")"
echo
timestamp "Running for major versions:"
echo
echo "$major_versions"
for version in $major_versions; do
echo
timestamp "Launching docker container for '$image:$version'"
docker run -ti --rm -v "$srcdir/..":/pwd -w /pwd "$image:$version" packages/install_packages.sh "$@"
done