podman

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#!/bin/bash
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#
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# build-systemd-image - script for producing a test image with systemd
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#
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# Based on the build-testimage script. This script builds a fedora-based
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# image with systemd in it, for use in systemd-based tests.
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#
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# Podman binary to use
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PODMAN=${PODMAN:-$(pwd)/bin/podman}
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# Tag for this new image
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YMD=$(date +%Y%m%d)
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# git-relative path to this script
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create_script=$(cd $(dirname $0) && git ls-files --full-name $(basename $0))
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if [ -z "$create_script" ]; then
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    create_script=$0
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fi
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create_script_rev=$(git describe --tags)
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# Creation timestamp, Zulu time
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create_time_t=$(date +%s)
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create_time_z=$(env TZ=UTC date --date=@$create_time_t +'%Y-%m-%dT%H:%M:%SZ')
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set -e
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# We'll need to create a Containerfile plus various other files to add in
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tmpdir=$(mktemp -t -d $(basename $0).tmp.XXXXXXX)
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cd $tmpdir
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echo $YMD >testimage-id
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cat >Containerfile <<EOF
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FROM registry.fedoraproject.org/fedora-minimal:39
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LABEL created_by="$create_script @ $create_script_rev"
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LABEL created_at=$create_time_z
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RUN microdnf install -y systemd tzdata && microdnf clean all && sed -i -e 's/.*LogColor.*/LogColor=no/' /etc/systemd/system.conf
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ADD testimage-id /home/podman/
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WORKDIR /home/podman
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CMD ["/bin/echo", "This image is intended for podman CI testing"]
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EOF
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# Start from scratch
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testimg_base=quay.io/libpod/systemd-image
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testimg=${testimg_base}:$YMD
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$PODMAN manifest rm $testimg &> /dev/null || true
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$PODMAN rmi -f $testimg &> /dev/null || true
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# Arch emulation on Fedora requires the qemu-user-static package.
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declare -a arches=(amd64 arm64 ppc64le s390x)
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n_arches=${#arches[*]}
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i=0
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while [[ $i -lt $n_arches ]]; do
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    arch=${arches[$i]}
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    i=$((i+1))
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    echo
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    echo "Building: $arch ($i of $n_arches)"
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    $PODMAN build \
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            --arch=$arch \
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            --squash-all \
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            --timestamp=$create_time_t \
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            --manifest=$testimg \
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            .
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done
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# Clean up
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cd /tmp
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rm -rf $tmpdir
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# Tag image and push (all arches) to quay.
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cat <<EOF
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If you're happy with this image, run:
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   podman manifest push --all  ${testimg} docker://${testimg}
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EOF
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