75 lines
2.0 KiB
Bash
75 lines
2.0 KiB
Bash
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#!/bin/bash
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# Copyright (c) 2020 Status Research & Development GmbH. Licensed under
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# either of:
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# - Apache License, version 2.0
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# - MIT license
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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# Build base Docker images for making distributable binaries, using Qemu for
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# foreign architectures.
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# Should be used from "build-*" Make targets, passing the target architecture's
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# name and Docker image tag as parameters.
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set -e
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cd "$(dirname "${BASH_SOURCE[0]}")"
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if [[ -z "${2}" ]]; then
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echo "Usage: $(basename ${0}) ARCH DOCKER_TAG"
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exit 1
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fi
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ARCH="${1}"
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DOCKER_TAG="${2}"
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if [[ "${ARCH}" == "amd64" ]]; then
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USE_QEMU=0
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else
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USE_QEMU=1
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if [[ "${ARCH}" == "arm64" ]]; then
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BINFMT_NAME="aarch64"
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elif [[ "${ARCH}" == "arm" ]]; then
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BINFMT_NAME="arm"
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fi
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fi
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DOCKER_EXTRA_ARGS=""
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if [[ "${USE_QEMU}" == "1" ]]; then
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# We need qemu-user-static installed and registered in binfmt_misc, on the host
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# (`apt install qemu binfmt-support qemu-user-static` should do the trick on Debian-based distros).
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# The actual binary name varies from one distro to another and we need a copy inside the container.
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if [[ ! -f /proc/sys/fs/binfmt_misc/qemu-${BINFMT_NAME} ]]; then
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echo "binfmt_misc not set up properly. Aborting."
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echo "You may have to run 'apt install qemu binfmt-support qemu-user-static' on a Debian-based distro."
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exit 1
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fi
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QEMU_PATH="$(grep '^interpreter' /proc/sys/fs/binfmt_misc/qemu-${BINFMT_NAME} | cut -d ' ' -f 2)"
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QEMU_NAME="$(basename ${QEMU_PATH})"
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QEMU_DIR="$(dirname ${QEMU_PATH})"
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DOCKER_EXTRA_ARGS="\
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--build-arg QEMU_NAME=${QEMU_NAME} \
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--build-arg QEMU_DIR=${QEMU_DIR} \
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"
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fi
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if [[ "${USE_QEMU}" == "1" ]]; then
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cp -a "${QEMU_PATH}" .
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fi
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DOCKER_BUILDKIT=1 \
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docker build \
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-t ${DOCKER_TAG} \
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--progress=plain \
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--build-arg USER_ID=$(id -u) \
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--build-arg GROUP_ID=$(id -g) \
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${DOCKER_EXTRA_ARGS} \
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-f Dockerfile.${ARCH} .
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if [[ "${USE_QEMU}" == "1" ]]; then
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rm "${QEMU_NAME}"
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fi
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