esphome/docker/hassio-builder.sh

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#!/usr/bin/env bash
# Based on Home Assistant's docker builder
######################
# Hass.io Build-env
######################
set -e
echo -- "$@"
#### Variable ####
DOCKER_TIMEOUT=20
DOCKER_PID=-1
DOCKER_HUB=""
DOCKER_CACHE="true"
DOCKER_LOCAL="false"
TARGET=""
IMAGE=""
BUILD_LIST=()
BUILD_TASKS=()
#### Misc functions ####
function print_help() {
cat << EOF
Hass.io build-env for ecosystem:
docker run --rm homeassistant/{arch}-builder:latest [options]
Options:
-h, --help
Display this help and exit.
Repository / Data
-t, --target <PATH_TO_BUILD>
Set local folder or path inside repository for build.
Version/Image handling
-i, --image <IMAGE_NAME>
Overwrite image name of build / support {arch}
Architecture
--armhf
Build for arm.
--amd64
Build for intel/amd 64bit.
--aarch64
Build for arm 64bit.
--i386
Build for intel/amd 32bit.
--all
Build all architecture.
Build handling
--no-cache
Disable cache for the build (from latest).
-d, --docker-hub <DOCKER_REPOSITORY>
Set or overwrite the docker repository.
Use the host docker socket if mapped into container:
/var/run/docker.sock
EOF
exit 1
}
#### Docker functions ####
function start_docker() {
local starttime
local endtime
if [ -S "/var/run/docker.sock" ]; then
echo "[INFO] Use host docker setup with '/var/run/docker.sock'"
DOCKER_LOCAL="true"
return 0
fi
echo "[INFO] Starting docker."
dockerd 2> /dev/null &
DOCKER_PID=$!
echo "[INFO] Waiting for docker to initialize..."
starttime="$(date +%s)"
endtime="$(date +%s)"
until docker info >/dev/null 2>&1; do
if [ $((endtime - starttime)) -le ${DOCKER_TIMEOUT} ]; then
sleep 1
endtime=$(date +%s)
else
echo "[ERROR] Timeout while waiting for docker to come up"
exit 1
fi
done
echo "[INFO] Docker was initialized"
}
function stop_docker() {
local starttime
local endtime
if [ "$DOCKER_LOCAL" == "true" ]; then
return 0
fi
echo "[INFO] Stopping in container docker..."
if [ "$DOCKER_PID" -gt 0 ] && kill -0 "$DOCKER_PID" 2> /dev/null; then
starttime="$(date +%s)"
endtime="$(date +%s)"
# Now wait for it to die
kill "$DOCKER_PID"
while kill -0 "$DOCKER_PID" 2> /dev/null; do
if [ $((endtime - starttime)) -le ${DOCKER_TIMEOUT} ]; then
sleep 1
endtime=$(date +%s)
else
echo "[ERROR] Timeout while waiting for container docker to die"
exit 1
fi
done
else
echo "[WARN] Your host might have been left with unreleased resources"
fi
}
function run_build() {
local build_dir=$1
local repository=$2
local image=$3
local version=$4
local build_arch=$5
local docker_cli=("${!6}")
local push_images=()
# Overwrites
if [ ! -z "$DOCKER_HUB" ]; then repository="$DOCKER_HUB"; fi
if [ ! -z "$IMAGE" ]; then image="$IMAGE"; fi
# Init Cache
if [ "$DOCKER_CACHE" == "true" ]; then
echo "[INFO] Init cache for $repository/$image:$version"
if docker pull "$repository/$image:latest" > /dev/null 2>&1; then
docker_cli+=("--cache-from" "$repository/$image:latest")
else
docker_cli+=("--no-cache")
echo "[WARN] No cache image found. Cache is disabled for build"
fi
else
docker_cli+=("--no-cache")
fi
# Build image
echo "[INFO] Run build for $repository/$image:$version"
docker build --pull -t "$repository/$image:$version" \
--label "io.hass.version=$version" \
--label "io.hass.arch=$build_arch" \
-f "$TARGET/docker/Dockerfile.$build_arch" \
"${docker_cli[@]}" \
"$build_dir"
echo "[INFO] Finish build for $repository/$image:$version"
docker tag "$repository/$image:$version" "$repository/$image:dev"
}
#### HassIO functions ####
function build_addon() {
local build_arch=$1
local docker_cli=()
local image=""
local repository=""
local raw_image=""
local name=""
local description=""
local url=""
local args=""
# Read addon config.json
name="$(jq --raw-output '.name // empty' "$TARGET/esphomeyaml/config.json" | sed "s/'//g")"
description="$(jq --raw-output '.description // empty' "$TARGET/esphomeyaml/config.json" | sed "s/'//g")"
url="$(jq --raw-output '.url // empty' "$TARGET/esphomeyaml/config.json")"
version="$(jq --raw-output '.version' "$TARGET/esphomeyaml/config.json")"
raw_image="$(jq --raw-output '.image // empty' "$TARGET/esphomeyaml/config.json")"
# Read data from image
if [ ! -z "$raw_image" ]; then
repository="$(echo "$raw_image" | cut -f 1 -d '/')"
image="$(echo "$raw_image" | cut -f 2 -d '/')"
fi
# Set additional labels
docker_cli+=("--label" "io.hass.name=$name")
docker_cli+=("--label" "io.hass.description=$description")
docker_cli+=("--label" "io.hass.type=addon")
if [ ! -z "$url" ]; then
docker_cli+=("--label" "io.hass.url=$url")
fi
# Start build
run_build "$TARGET" "$repository" "$image" "$version" \
"$build_arch" docker_cli[@]
}
#### initialized cross-build ####
function init_crosscompile() {
echo "[INFO] Setup crosscompiling feature"
(
mount binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc
update-binfmts --enable qemu-arm
update-binfmts --enable qemu-aarch64
) > /dev/null 2>&1 || echo "[WARN] Can't enable crosscompiling feature"
}
function clean_crosscompile() {
echo "[INFO] Clean crosscompiling feature"
if [ -f /proc/sys/fs/binfmt_misc ]; then
umount /proc/sys/fs/binfmt_misc || true
fi
(
update-binfmts --disable qemu-arm
update-binfmts --disable qemu-aarch64
) > /dev/null 2>&1 || echo "[WARN] No crosscompiling feature found for cleanup"
}
#### Error handling ####
function error_handling() {
stop_docker
clean_crosscompile
exit 1
}
trap 'error_handling' SIGINT SIGTERM
#### Parse arguments ####
while [[ $# -gt 0 ]]; do
key=$1
case ${key} in
-h|--help)
print_help
;;
-t|--target)
TARGET=$2
shift
;;
-i|--image)
IMAGE=$2
shift
;;
--no-cache)
DOCKER_CACHE="false"
;;
-d|--docker-hub)
DOCKER_HUB=$2
shift
;;
--armhf)
BUILD_LIST+=("armhf")
;;
--amd64)
BUILD_LIST+=("amd64")
;;
--i386)
BUILD_LIST+=("i386")
;;
--aarch64)
BUILD_LIST+=("aarch64")
;;
--all)
BUILD_LIST=("armhf" "amd64" "i386" "aarch64")
;;
*)
echo "[WARN] $0 : Argument '$1' unknown will be Ignoring"
;;
esac
shift
done
# Check if an architecture is available
if [ "${#BUILD_LIST[@]}" -eq 0 ]; then
echo "[ERROR] You need select an architecture for build!"
exit 1
fi
#### Main ####
mkdir -p /data
# Setup docker env
init_crosscompile
start_docker
# Select arch build
for arch in "${BUILD_LIST[@]}"; do
(build_addon "$arch") &
BUILD_TASKS+=($!)
done
# Wait until all build jobs are done
wait "${BUILD_TASKS[@]}"
# Cleanup docker env
clean_crosscompile
stop_docker
exit 0