added docker_package_check.sh

packages/docker_package_check.sh

@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+#  vim:ts=4:sts=4:sw=4:et
+#
+#  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
+. "$srcdir/lib/utils.sh"
+
+# shellcheck disable=SC2034,SC2154
+usage_description="
+Runs package installs on all the major versions of a given docker image to check given packages
+are available before adding them and breaking builds across distro versions
+
+Uses adjacent script:
+
+    install_packages.sh
+
+to install the packages using whatever local package manager is detected
+
+Currently only supports DockerHub images
+"
+
+# used by usage() in lib/utils.sh
+# shellcheck disable=SC2034
+usage_args="<image> <package1> [<package2> <package3> ...]"
+
+help_usage "$@"
+
+min_args 2 "$@"
+
+image="$1"
+shift || :
+
+check_bin docker
+
+timestamp "Querying DockerHub for major versions of image '$image'"
+major_versions="$(
+    "$srcdir/../docker/dockerhub_list_tags.sh" "$image" |
+    grep -Eo -e '^[[:digit:]]+(\.[[:digit:]]+)?$' \
+             -e '^latest$'
+)"
+
+if grep -Eq '^[[:digit:]]+$' <<< "$major_versions"; then
+    timestamp "Major version tags detected, using only those to save time"
+    major_versions="$(grep -EO -e '^[[:digit:]]+$' -e 'latest' <<< "$major_versions" | sort -Vr)"
+fi
+
+echo
+timestamp "Running for major versions:"
+echo
+echo "$major_versions"
+echo
+
+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