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neko/build
Miroslav Šedivý cab1e14b2b refactor build.
2025-03-30 22:04:12 +02:00

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#!/bin/bash
set -e
cd "$(dirname "$0")"
#
# This script builds the neko base image and all the applications
#
# disable buildx because of https://github.com/docker/buildx/issues/847
# if you want to use buildx, set USE_BUILDX=1
if [ -z "$USE_BUILDX" ]; then
USE_BUILDX=0
fi
# check if docker buildx is available, its not docker-buildx command but rather subcommand of docker
#if [ -z "$USE_BUILDX" ] && [ -x "$(command -v docker)" ]; then
# if docker buildx version >/dev/null 2>&1; then
# USE_BUILDX=1
# fi
#fi
function log() {
echo "$(date +'%Y-%m-%d %H:%M:%S') - [NEKO] - $1" > /dev/stderr
}
function help() {
echo "Usage: $0 [options] [image]"
echo
echo "Options:"
echo " -p, --platform : The platform (default: system architecture)"
echo " -r, --repository : The repository prefix (default: ghcr.io/m1k1o/neko)"
echo " -t, --tag : The image tag, can be specified multiple times, if not specified"
echo " uses 'latest' and if available, current git semver tag (v*.*.*)"
echo " -f, --flavor : The flavor, if not specified, builds without flavor"
echo " -b, --base_image : The base image name (default: <repository>[<flavor>-]base:<tag>)"
echo " -a, --application : The app to build, if not specified, builds the base image"
echo " -y, --yes : Skip confirmation prompts"
echo " --no-cache : Build without docker cache"
echo " --push : Push the image to the registry after building"
echo " -h, --help : Show this help message"
echo
echo "Positional arguments:"
echo " <image> : The image name, if not specified, uses the full image name"
echo " in the format <repository>/<flavor>-<application>:<tag>"
echo " Example: ghcr.io/m1k1o/neko/nvidia-firefox:latest"
echo " You can override any of the above options by specifying them"
echo " after the image name."
echo
echo "Environment variables:"
echo " USE_BUILDX : Set to 1 to use docker buildx instead of docker build"
echo " (default: 0)"
echo " CLIENT_DIST : The client dist file to use, if not specified, builds them"
echo " from the source code."
echo " (options) : Options can be specified as environment variables, for example:"
echo " PLATFORM=linux/arm64 $0 --repository ghcr.io/m1k1o/neko"
}
FULL_IMAGE=""
while [[ "$#" -gt 0 ]]; do
case $1 in
--platform|-p) PLATFORM="$2"; shift ;;
--repository|-r) REPOSITORY="$2"; shift ;;
--tag|-t) TAGS+=("$2"); TAG="$2"; shift ;;
--flavor|-f) FLAVOR="$2"; shift ;;
--base_image|-b) BASE_IMAGE="$2"; shift ;;
--application|-a) APPLICATION="$2"; shift ;;
--yes|-y) YES=1 ;;
--no-cache) NO_CACHE="--no-cache" log "Building without cache" ;;
--push) PUSH=1 ;;
--help|-h) help; exit 0 ;;
-*) log "Unknown parameter passed: $1"; help; exit 1 ;;
*)
if [ -z "$FULL_IMAGE" ]; then
FULL_IMAGE="$1"
# extracts image, flavor, app and tag from the full image name
# example:
# ghcr.io/m1k1o/neko/nvidia-firefox:latest
# will be split into:
# REPOSITORY=ghcr.io/m1k1o/neko
# FLAVOR=nvidia
# APPLICATION=firefox
# TAG=latest
# remove the tag from the image name
if [[ "$FULL_IMAGE" == *":"* ]]; then
# removes everything before the last :
TAG="${FULL_IMAGE##*:}" # will be latest
TAGS+=("$TAG")
# removes everything after the last :
FULL_IMAGE="${FULL_IMAGE%:*}" # will be ghcr.io/m1k1o/neko/nvidia-firefox
fi
# extract the image name and save the rest to REPOSITORY
if [[ "$FULL_IMAGE" == *"/"* ]]; then
# removes everything after the last /
REPOSITORY="${FULL_IMAGE%/*}" # will be ghcr.io/m1k1o/neko
# removes everything before the last /
FULL_IMAGE="${FULL_IMAGE##*/}" # will be nvidia-firefox
fi
# extract the flavor and application name
if [[ "$FULL_IMAGE" == *"-"* ]]; then
# removes everything after the last -
FLAVOR="${FULL_IMAGE%-*}" # will be nvidia
# removes everything before the last -
APPLICATION="${FULL_IMAGE#*-}" # will be firefox
else
# no flavor specified so use the full image name as application name
APPLICATION="$FULL_IMAGE" # will be firefox
fi
# if application name is base, set it to empty
if [ "$APPLICATION" == "base" ]; then
APPLICATION=""
fi
else
log "Unknown positional argument: $1"
help
exit 1
fi
;;
esac
shift
done
function prompt() {
if [ ! -z "$YES" ]; then
return 0
fi
local OK=""
while [ -z "$OK" ]; do
read -p "$1 (yes/no) " REPLY
case "$REPLY" in
yes|YES|y|Y)
OK=1
;;
no|NO|n|N)
log "Aborting build."
exit 1
;;
*)
log "Please answer 'yes' or 'no'."
;;
esac
done
}
function build_image() {
# first argument is the image name, rest are the build args
local APPLICATION_IMAGE="$1"
shift
# get list of tags in full format: <image>:<tag>
local IMAGE_NO_TAG="${APPLICATION_IMAGE%:*}"
local FULL_TAGS=()
for T in "${TAGS[@]}"; do
FULL_TAGS+=("$IMAGE_NO_TAG:$T")
done
if [ -z "$USE_BUILDX" ] || [ "$USE_BUILDX" != "1" ]; then
# if buildx is not available, use docker build
docker build \
--platform $PLATFORM \
$NO_CACHE \
-t $APPLICATION_IMAGE \
$@
# tag and push the image to the registry
for T in $FULL_TAGS; do
# do not tag if the tag is the same as the image tag
if [ "$T" != "$APPLICATION_IMAGE" ]; then
log "Tagging $APPLICATION_IMAGE as $T"
docker tag "$APPLICATION_IMAGE" "$T"
fi
# if push is enabled, push the image to the registry
if [ ! -z "$PUSH" ]; then
log "Pushing $T to registry"
docker push "$T"
fi
done
else
# create cmd for buildx, repeat --tag for each tag
local CMD=""
for T in $FULL_TAGS; do
CMD+="--tag $T "
done
# if push is enabled, add --push
if [ ! -z "$PUSH" ]; then
CMD+="--push "
fi
# if no cache is enabled, add --no-cache
if [ ! -z "$NO_CACHE" ]; then
CMD+="--no-cache "
fi
# buildx build command
docker buildx build \
--platform $PLATFORM \
--load --pull $CMD \
$@
fi
}
# --------------------------------------------------------------------
if [ -z "$USE_BUILDX" ] || [ "$USE_BUILDX" != "1" ]; then
log "Using docker build"
else
log "Using docker buildx"
fi
if [ -z "$PLATFORM" ]; then
# use system architecture if not specified
if [ "$(uname -m)" == "x86_64" ]; then
PLATFORM="linux/amd64"
elif [ "$(uname -m)" == "aarch64" ]; then
PLATFORM="linux/arm64"
elif [ "$(uname -m)" == "armv7l" ]; then
PLATFORM="linux/arm/v7"
else
log "Unknown architecture: $(uname -m)"
exit 1
fi
fi
log "Using platform: $PLATFORM"
if [ -z "$REPOSITORY" ]; then
REPOSITORY="ghcr.io/m1k1o/neko"
fi
log "Using repository: $REPOSITORY"
if [ -z "$TAG" ]; then
# if git is available, use the latest tag from git
if [ -d ".git" ] && [ -x "$(command -v git)" ]; then
# get the latest version tag from git (v*.*.*)
GIT_VER=$(git describe --tags --exact-match --match "v*.*.*" 2>/dev/null || true)
if [ ! -z "$GIT_VER" ]; then
# split to major, minor and patch
IFS='.' read -r MAJOR MINOR PATCH <<< "${GIT_VER#v}"
# append MAJOR.MINOR.PATCH, MAJOR.MINOR and MAJOR to the tags
TAGS=("$MAJOR.$MINOR.$PATCH" "$MAJOR.$MINOR" "$MAJOR")
#else
# # if no version tag is found, use the latest commit hash
# GIT_VER=$(git rev-parse HEAD
# TAGS=("sha-$GIT_VER")
fi
fi
TAG="latest"
TAGS=("$TAG" "${TAGS[@]}")
fi
for T in "${TAGS[@]}"; do
log "Using tag: $T"
done
if [ -z "$FLAVOR" ]; then
log "No flavor specified, building without flavor"
else
log "Using flavor: $FLAVOR"
fi
if [ -z "$BASE_IMAGE" ]; then
if [ -z "$FLAVOR" ]; then
BASE_IMAGE="$REPOSITORY/base:$TAG"
else
BASE_IMAGE="$REPOSITORY/$FLAVOR-base:$TAG"
fi
fi
# --------------------------------------------------------------------
if [ ! -z "$APPLICATION" ]; then
log "Building application: $APPLICATION"
log "Using base image: $BASE_IMAGE"
# check if application directory exists
APPLICATION_DIR="apps/$APPLICATION"
if [ ! -d "$APPLICATION_DIR" ]; then
log "Application directory $APPLICATION_DIR does not exist."
exit 1
fi
# flavor is specified, append it to the image name and Dockerfile
APPLICATION_IMAGE="$REPOSITORY/$APPLICATION:$TAG"
APPLICATION_DOCKERFILE="apps/$APPLICATION/Dockerfile"
if [ ! -z "$FLAVOR" ]; then
APPLICATION_IMAGE="$REPOSITORY/$FLAVOR-$APPLICATION"
# if application flavor is specified and Dockerfile exists, use it
if [ -f "$APPLICATION_DIR/Dockerfile.$FLAVOR" ]; then
APPLICATION_DOCKERFILE="$APPLICATION_DIR/Dockerfile.$FLAVOR"
fi
fi
prompt "Are you sure you want to build $APPLICATION_IMAGE from $APPLICATION_DOCKERFILE?"
log "Building $APPLICATION_IMAGE image from $APPLICATION_DOCKERFILE"
build_image $APPLICATION_IMAGE \
--build-arg="BASE_IMAGE=$BASE_IMAGE" \
-f $APPLICATION_DOCKERFILE \
$APPLICATION_DIR
exit 0
fi
# --------------------------------------------------------------------
prompt "Are you sure you want to build $BASE_IMAGE?"
RUNTIME_DOCKERFILE="Dockerfile"
if [ ! -z "$FLAVOR" ] && [ -f "runtime/Dockerfile.$FLAVOR" ]; then
RUNTIME_DOCKERFILE="Dockerfile.$FLAVOR"
fi
log "Building base image: $BASE_IMAGE"
docker run --rm -i \
-v ./:/src \
-e "RUNTIME_DOCKERFILE=$RUNTIME_DOCKERFILE" \
--workdir /src \
--entrypoint go \
golang:1.24-bullseye \
run ./docker/main.go \
-i Dockerfile.tmpl -client "$CLIENT_DIST" | build_image $BASE_IMAGE -f - .
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