108 lines
3.6 KiB
Bash
Executable File
108 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: MIT
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# Author: Nils Freydank <nils.freydank@posteo.de>
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PATH="/usr/bin:/bin:/usr/sbin:/sbin"
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set -uxa
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GPG_SIGNING_KEY="${GPG_SIGNING_KEY:-0x0F1DEAB2D36AD112}"
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REGISTRY="${REGISTRY:-git.holgersson.xyz/gentoo-related/gentoo-binpkg-builder}"
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VERSION="${VERSION:-$(date --utc +%Y%m%d_%H%M%S)}"
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IMAGE_TAG="${REGISTRY}:${VERSION}"
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REPOS="${REPOS:-/var/db/repos}"
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DISTFILES="${DISTFILES:-/var/cache/distfiles-podman-1}"
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DISTFILES_STAGE3="${DISTFILES_STAGE3:-distfiles}"
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BINPKG="${BINPKG:-/var/cache/packages-podman-1}"
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LOGDIR="${LOGDIR:-$(pwd)/log}"
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DOCKER_FILE="${DOCKER_FILE:-$(pwd)/Dockerfile}"
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ARCH="${ARCH:-amd64}"
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MICROARCH="${MICROARCH:-amd64}"
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OCI_ARCH="${OCI_ARCH:-linux/amd64}"
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PODMAN_BUILD_ARGS=(
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# Do not leak the host's /etc/host into the container.
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--no-hosts
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# Limit the memory to be used.
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--memory=20G
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# memory-swap is the sum of RAM and swap.
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--memory-swap=21G
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--shm-size=2G
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# Share the gentoo repo, overlays etc.
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-v "${REPOS}:/var/db/repos:ro"
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# Share the distfiles, i.e. typically source archives.
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-v "${DISTFILES}:/var/cache/distfiles:rw,U"
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# Share the binpkgs r/w cache.
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-v "${BINPKG}:/var/cache/packages:rw,U"
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# Keep the logs out of the container.
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-v "${LOGDIR}:/var/log:rw,U"
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# Use the given OCI file/Dockerfile.
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-f "${DOCKER_FILE}"
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# Add details about the architecture.
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--build-arg ARCH="${ARCH}"
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--build-arg MICROARCH="${MICROARCH}"
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--platform "${OCI_ARCH}"
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# Tag the generated image.
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-t "${IMAGE_TAG}"
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-t "${REGISTRY}:latest"
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# Label the image.
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--label="gentoo-nfr-${IMAGE_TAG}"
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# sign the image.
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#--sign-by="${GPG_SIGNING_KEY}"
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# Rebuild everything w/o cache.
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--no-cache
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)
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exit_err()
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{
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echo "${@}"
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exit 1
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}
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_mkdir()
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{
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mkdir -p "${@}" || exit_err "Could not create dir ${@}."
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}
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# === Prepare all directories.
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_mkdir "${REPOS}"
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_mkdir "${DISTFILES}"
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_mkdir "${DISTFILES_STAGE3}"
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_mkdir "${BINPKG}"
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_mkdir "${LOGDIR}"
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# === Fetch the stage3 file (and verify it).
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# Note: This uses some nasty string manipulation assuming a certain structure.
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# If upstream changes the format, things will break here, again.
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SERVER="https://ftp-osl.osuosl.org/pub/gentoo/releases/${ARCH}/autobuilds"
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MY_STAGE3="latest-stage3-amd64-nomultilib-systemd-mergedusr.txt"
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# Fetch the stage3 archive and its signature.
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curl -sLC- -O --output-dir "${DISTFILES_STAGE3}" "${SERVER}/${MY_STAGE3}" \
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|| exit_err "Could not download the pointer file for the stage3 archive."
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gpg --verify "${DISTFILES_STAGE3}/${MY_STAGE3}" \
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|| exit_err "Could not verify the download pointer file."
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LATEST_ARCHIVE="$(grep $(echo ${MY_STAGE3} | sed 's/latest-//;s/.txt//') ${DISTFILES_STAGE3}/${MY_STAGE3} | cut -f1 -d' ')"
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ARCHIVE_FILE_NAME="$(echo ${LATEST_ARCHIVE} | cut -f2 -d'/')"
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curl -sLC- -O --output-dir "${DISTFILES_STAGE3}" "${SERVER}/${LATEST_ARCHIVE}" \
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|| exit_err "Could not download the stage3 archive."
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curl -sLC- -O --output-dir "${DISTFILES_STAGE3}" "${SERVER}/${LATEST_ARCHIVE}.asc" \
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|| exit_err "Could not download the stage3 archive signature."
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# Verify the signature.
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gpg --verify "${DISTFILES_STAGE3}/${ARCHIVE_FILE_NAME}"{.asc,} \
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|| exit_err "Could not verify the stage3 archive."
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# === Remove the old tag 'latest'.
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podman tag rm "${REGISTRY}:latest" # Do not exit_err here. At least on first run
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# there is no latest tag to delete.
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# === Build the new image.
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podman build --build-arg=ROOTFS_FILENAME="${DISTFILES_STAGE3}/${ARCHIVE_FILE_NAME}" \
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"${PODMAN_BUILD_ARGS[@]}" || exit_err "Build failed."
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# vim:fileencoding=utf-8:ts=4:syntax=bash:expandtab
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