mirror of https://github.com/coder/coder.git
157 lines
3.6 KiB
Bash
Executable File
157 lines
3.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# This script builds a Docker image of Coder containing the given binary, for
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# the given architecture. Only linux binaries are supported at this time.
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#
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# Usage: ./build_docker.sh --arch amd64 [--version 1.2.3] [--target image_tag] [--build-base image_tag] [--push] path/to/coder
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#
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# The --arch parameter is required and accepts a Golang arch specification. It
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# will be automatically mapped to a suitable architecture that Docker accepts
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# before being passed to `docker buildx build`.
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#
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# The --build-base parameter is optional and specifies to build the base image
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# in Dockerfile.base instead of pulling a copy from the registry. The string
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# value is the tag to use for the built image (not pushed). This also consumes
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# $CODER_IMAGE_BUILD_BASE_TAG for easily forcing a fresh build in CI.
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#
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# The default base image can be controlled via $CODER_BASE_IMAGE_TAG.
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#
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# The image will be built and tagged against the image tag returned by
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# ./image_tag.sh unless a --target parameter is supplied.
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#
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# If no version is specified, defaults to the version from ./version.sh.
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#
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# If the --push parameter is supplied, the image will be pushed.
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#
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# Prints the image tag on success.
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set -euo pipefail
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# shellcheck source=scripts/lib.sh
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source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
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DEFAULT_BASE="${CODER_BASE_IMAGE_TAG:-ghcr.io/coder/coder-base:latest}"
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arch=""
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image_tag=""
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build_base="${CODER_IMAGE_BUILD_BASE_TAG:-}"
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version=""
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push=0
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args="$(getopt -o "" -l arch:,target:,build-base:,version:,push -- "$@")"
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eval set -- "$args"
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while true; do
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case "$1" in
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--arch)
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arch="$2"
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shift 2
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;;
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--target)
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image_tag="$2"
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shift 2
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;;
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--version)
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version="$2"
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shift 2
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;;
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--build-base)
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build_base="$2"
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shift 2
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;;
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--push)
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push=1
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shift
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;;
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--)
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shift
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break
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;;
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*)
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error "Unrecognized option: $1"
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;;
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esac
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done
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if [[ "$arch" == "" ]]; then
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error "The --arch parameter is required"
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fi
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# Check dependencies
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dependencies docker
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# Remove the "v" prefix.
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version="${version#v}"
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if [[ "$version" == "" ]]; then
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version="$(execrelative ./version.sh)"
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fi
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if [[ "$image_tag" == "" ]]; then
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image_tag="$(execrelative ./image_tag.sh --arch "$arch" --version="$version")"
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fi
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if [[ "$#" != 1 ]]; then
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error "Exactly one argument must be provided to this script, $# were supplied"
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fi
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if [[ ! -f "$1" ]]; then
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error "File '$1' does not exist or is not a regular file"
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fi
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input_file="$(realpath "$1")"
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# Remap the arch from Golang to Docker.
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declare -A arch_map=(
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[amd64]="linux/amd64"
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[arm64]="linux/arm64"
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[arm]="linux/arm/v7"
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[armv7]="linux/arm/v7"
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)
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if [[ "${arch_map[$arch]+exists}" != "" ]]; then
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arch="${arch_map[$arch]}"
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fi
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# Make temporary dir where all source files intended to be in the image will be
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# hardlinked from.
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cdroot
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temp_dir="$(TMPDIR="$(dirname "$input_file")" mktemp -d)"
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ln "$input_file" "$temp_dir/coder"
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ln ./scripts/Dockerfile.base "$temp_dir/"
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ln ./scripts/Dockerfile "$temp_dir/"
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cd "$temp_dir"
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export DOCKER_BUILDKIT=1
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base_image="$DEFAULT_BASE"
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if [[ "$build_base" != "" ]]; then
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log "--- Building base Docker image for $arch ($build_base)"
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docker build \
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--platform "$arch" \
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--tag "$build_base" \
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--no-cache \
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-f Dockerfile.base \
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. 1>&2
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base_image="$build_base"
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else
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docker pull --platform "$arch" "$base_image" 1>&2
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fi
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log "--- Building Docker image for $arch ($image_tag)"
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docker build \
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--platform "$arch" \
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--build-arg "BASE_IMAGE=$base_image" \
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--build-arg "CODER_VERSION=$version" \
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--no-cache \
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--tag "$image_tag" \
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-f Dockerfile \
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. 1>&2
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cdroot
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rm -rf "$temp_dir"
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if [[ "$push" == 1 ]]; then
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log "--- Pushing Docker image for $arch ($image_tag)"
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docker push "$image_tag" 1>&2
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fi
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echo "$image_tag"
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