use almalinux8

Dockerfile.libvirt

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+FROM almalinux:8
+MAINTAINER tea@brass.host
+RUN dnf groupinstall --setopt install_weak_deps=0 --nodocs --assumeyes --allowerasing "Virtualization Host" && dnf clean all
+RUN rm -v /etc/systemd/system/*.wants/*
+RUN systemctl enable libvirtd
+VOLUME [ "/etc/libvirt"]
+VOLUME [ "/var/lib/libvirt/"]
+VOLUME [ "/var/run/libvirt/"]
+CMD ["/sbin/init"]

Dockerfile.qemu

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+FROM almalinux:8
+RUN dnf distro-sync -y && \
+    dnf install 'dnf-command(config-manager)' -y && \
+    dnf config-manager --set-enabled -y powertools && \
+    dnf install -y centos-release-advanced-virtualization && \
+    dnf install -y epel-release && \
+    dnf install -y epel-next-release && \
+    dnf install -y \
+        SDL2-devel \
+        alsa-lib-devel \
+        bash \
+        bc \
+        bison \
+        brlapi-devel \
+        bzip2 \
+        bzip2-devel \
+        ca-certificates \
+        capstone-devel \
+        ccache \
+        clang \
+        ctags \
+        cyrus-sasl-devel \
+        daxctl-devel \
+        dbus-daemon \
+        device-mapper-multipath-devel \
+        diffutils \
+        findutils \
+        flex \
+        fuse3-devel \
+        gcc \
+        gcc-c++ \
+        gettext \
+        git \
+        glib2-devel \
+        glib2-static \
+        glibc-langpack-en \
+        glibc-static \
+        glusterfs-api-devel \
+        gnutls-devel \
+        gtk3-devel \
+        hostname \
+        jemalloc-devel \
+        json-c-devel \
+        libaio-devel \
+        libasan \
+        libattr-devel \
+        libbpf-devel \
+        libcacard-devel \
+        libcap-ng-devel \
+        libcmocka-devel \
+        libcurl-devel \
+        libdrm-devel \
+        libepoxy-devel \
+        libfdt-devel \
+        libffi-devel \
+        libgcrypt-devel \
+        libiscsi-devel \
+        libjpeg-devel \
+        libnfs-devel \
+        libpmem-devel \
+        libpng-devel \
+        librbd-devel \
+        libseccomp-devel \
+        libselinux-devel \
+        libslirp-devel \
+        libssh-devel \
+        libtasn1-devel \
+        libubsan \
+        liburing-devel \
+        libusbx-devel \
+        libxdp-devel \
+        libzstd-devel \
+        llvm \
+        lttng-ust-devel \
+        lzo-devel \
+        make \
+        mesa-libgbm-devel \
+        mtools \
+        ncurses-devel \
+        nettle-devel \
+        ninja-build \
+        nmap-ncat \
+        numactl-devel \
+        openssh-clients \
+        pam-devel \
+        pcre-static \
+        pipewire-devel \
+        pixman-devel \
+        pkgconfig \
+        pulseaudio-libs-devel \
+        python38 \
+        python38-PyYAML \
+        python38-numpy \
+        python38-pip \
+        python38-setuptools \
+        python38-wheel \
+        rdma-core-devel \
+        sed \
+        snappy-devel \
+        socat \
+        spice-protocol \
+        spice-server-devel \
+        swtpm \
+        systemd-devel \
+        systemtap-sdt-devel \
+        tar \
+        usbredir-devel \
+        util-linux \
+        virglrenderer-devel \
+        vte291-devel \
+        which \
+        xfsprogs-devel \
+        xorriso \
+        zlib-devel \
+        zlib-static \
+        zstd && \
+    dnf autoremove -y && \
+    dnf clean all -y && \
+    rpm -qa | sort > /packages.txt && \
+    mkdir -p /usr/libexec/ccache-wrappers && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/c++ && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/cc && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/clang && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/g++ && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/gcc
+RUN /usr/bin/pip3.8 install \
+                    meson==0.63.2 \
+                    pillow \
+                    sphinx \
+                    sphinx-rtd-theme \
+                    tomli
+
+ENV CCACHE_WRAPPERSDIR "/usr/libexec/ccache-wrappers"
+ENV LANG "en_US.UTF-8"
+ENV MAKE "/usr/bin/make"
+ENV NINJA "/usr/bin/ninja"
+ENV PYTHON "/usr/bin/python3.8"
+# As a final step configure the user (if env is defined)
+ARG USER
+ARG UID
+RUN if [ "${USER}" ]; then \
+  id ${USER} 2>/dev/null || useradd -u ${UID} -U ${USER}; fi

Makefile

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+all:libvirt
+
+libvirt:
+	buildah bud -t repo.brass.host/libvirt/libvirt -f Dockerfile.libvirt
+	
+qemu:
+	buildah bud -t repo.brass.host/libvirt/qemu -f Dockerfile.qemu
+
+.PHONY: all qemu libvirt