uci-docker-build/build

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#!/bin/bash
docker_image_build () {
local targets=(dev arm amd deploy private multi)
local verbose; local scripts_dir; local log_dir;
declare OPTION; declare OPTARG; declare OPTIND
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SDIR=$(pwd)
BDIR=$(dirname "$(realpath "$BASH_SOURCE")")
export SDIR
export BDIR
pushd $BDIR > /dev/null
source $BDIR/lib/load.sh
case "$1" in
try)
shift 1
popd > /dev/null || return 2
try_container "$@"
return $?
;;
image_name)
shift 1
image_name "$@"
return $?
;;
tag)
shift 1
image_tag "$@"
return $?
;;
push)
shift 1
image_push "$@"
return $?
;;
info)
shift 1
[[ $1 == "arch" ]] && { shift 1; image_arch "$@"; return $?; }
[[ $1 == "exists" ]] && { shift 1; image_exists "$@"; return $?; }
[[ $1 == "id" ]] && { shift 1; image_id "$@"; return $?; }
image_info "$@"; return $?
;;
esac
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exit_abnormal() { # Function: Exit with error.
usage
return ${1:-1}
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}
scripts_dir=$SDIR/src
# TODO allow log directory option
log_dir=$SDIR/logs
mkdir -p $log_dir
[[ -z "$PS1" ]] || no_prompt=true
overwrite=true
target=dev
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while getopts 'g:e:b:d:t:ncr:u:pxhs:w:akvoi' OPTION; do
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# echo processing: option:$OPTION argument:$OPTARG index:$OPTIND remaining:${@:$OPTIND}
case "$OPTION" in
e)
local efile=$SDIR/$OPTARG
if [[ -f $efile ]]; then
source "$efile"
[[ ! $? -eq 0 ]] && echo source of $efile failed, exiting && return 2
else
echo no environment file at $efile, exiting
return 2
fi
echo "----------"
echo loaded environment filen $efile
cat $efile
echo "----------"
;;
o)
unset overwrite
;;
v)
verbose=true
;;
a)
# automated - script is to be run without prompt (non-interactive)
no_prompt=true
;;
k)
# keep the build scripts in the image, by default they are removed
KEEP=true
;;
w)
# the work directory to put the build scripts in container (default is /opt/build)
BUILD_DIR=$OPTARG
;;
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b)
# CUSTOM BASE IMAGE
BASE_IMAGE=$OPTARG
;;
s)
# scripts subdirectory from which to bind to scripts/, default is src/
if isAbsPath $OPTARG; then
scripts_dir=$OPTARG
elif [ "$OPTARG" == "_base_" ]; then
scripts_dir=$BDIR/src
else
scripts_dir=$SDIR/$OPTARG
fi
;;
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d)
# LINUX_DISTRO=$OPTARG
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LINUX_DISTRO=$OPTARG
;;
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x)
# Exclude distro from image name
exclude_distro=true
;;
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t)
target=$OPTARG
;;
g)
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TAG=$OPTARG
;;
u)
RUSER=$OPTARG
;;
c)
try=true
;;
p)
push=true
;;
n)
nocache="--no-cache"
;;
r)
REPO=$OPTARG
;;
h)
exit_abnormal 0
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return 0
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;;
*)
echo "unknown $0 option -$OPTARG"
exit_abnormal 4
;;
esac
done
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shift $((OPTIND - 1))
if [[ ! -d $scripts_dir ]]; then
if [[ ! $no_prompt ]]; then
echo -e "\e[1;31mWARNING: build scripts directory$scripts_dir does not exist.\e[1;37m"
echo "Do you want to use the base scripts"
read -n 1 -p "directory at $BDIR/src? to continue [y]=>" REPLY
[[ $REPLY != "y" ]] && echo -e "\n" && return 0
echo
fi
echo -e "\e[1;31mscripts directory $scripts_dir was not found using base build scripts at $BDIR/src\e[1;37m"
scripts_dir=$BDIR/src
fi
[[ ! "${targets[@]}" =~ $target ]] && echo $target is not a valid target && echo valid targets are: ${targets[@]} && exit 4
LINUX_DISTRO=${LINUX_DISTRO:-alpine}
if [[ $BASE_IMAGE ]]; then
echo determining DISTRO of base image: $BASE_IMAGE
LINUX_DISTRO=$(get_distro -d $BASE_IMAGE)
[[ ! $LINUX_DISTRO ]] && echo "unable to get base image OS for: $BASE_IMAGE, aborting build" && exit 1
echo $BASE_IMAGE is built from distro $LINUX_DISTRO
else
BASE_IMAGE=$LINUX_DISTRO
fi
name=$1
RUSER=${2:-$RUSER}
IMAGE_NAME=$([[ $RUSER ]] && echo ${RUSER}/)${name}$([[ ! $exclude_distro ]] && echo -${LINUX_DISTRO})
# TODO writing to existing tag untags existing image so write a new tag to that image then continue
# retag existing image and remove former tag
if [[ $(image_exists $IMAGE_NAME) ]]; then
if [[ $overwrite ]]; then
image_delete $IMAGE_NAME
else
newtag=$(date +'%d%H%M%S')
echo image exists retaging $(image_name $IMAGE_NAME) with tag :$newtag
image_tag $IMAGE_NAME $IMAGE_NAME:$newtag
image_tag -r $IMAGE_NAME
fi
fi
# BASE_IMAGE=$([[ $BASE_IMAGE == *:* ]] && echo $BASE_IMAGE || echo $BASE_IMAGE:latest)
#$([[ ! $BASE_IMAGE == *:* ]] && echo :latest)
export BASE_IMAGE
export TAG
export IMAGE_NAME
export LINUX_DISTRO
export BUILD_DIR
export KEEP
export SYSADMIN_PW
export BUST_INIT_CACHE
echo "******************************************"
echo "Building with base image: $BASE_IMAGE"
echo "Outputing to image name => $IMAGE_NAME<-arch>:${TAG:-latest}"
echo "Linux Distro: $LINUX_DISTRO"
echo "Using build target: $target"
echo "Build Command: docker buildx --builder ${builder} bake ${nocache} ${target}"
if [[ $verbose ]]; then
echo -e "\n---------------------------------"
docker buildx bake --print $target
echo -e "\n---------------------------------"
echo "build scripts at $scripts_dir to be copied to ${BUILD_DIR:-/build} in container ***** "
ls -la $scripts_dir
echo -e "\n----- base init script init.sh ------"
cat $scripts_dir/init.sh
echo -e "\n---------------------------------"
fi
echo -e "\n***************************************"
if [[ ! $no_prompt ]]; then
read -n 1 -p "do you want to continue [y]=>" REPLY
[[ $REPLY != "y" ]] && echo -e "\n" && exit 0
fi
builder=default
if [ $target == "deploy" ]; then
builder=deploy
if ! docker buildx ls | grep -q deploy ; then
echo multiarch deploy builder does not exist, creating with docker-container driver
docker buildx create --name deploy --driver docker-container >/dev/null
docker buildx ls | grep deploy
fi
fi
[[ $target == "private" && ! $REPO ]] && echo "must use '-r <private repo>' if building to private repo" && exit 3
# copy source directory to temporary .src/ subdirectory
# MUST either be readable by all or group readable by docker group
rm -rf $BDIR/.src
rsync -aAru ${scripts_dir:-src}/ $BDIR/.src
ls -la $BDIR/.src
docker buildx --builder ${builder} bake ${nocache} ${target} 2>&1 | tee "$log_dir/${IMAGE_NAME//\//-}build.log"
[[ $? == 0 ]] && echo succcess building image $IMAGE_NAME || exit_abnormal 1
rm -rf $BDIR/.src
# if [[ $target == "private" ]]; then
# ./push -a -r $REPO $IMAGE_NAME
# ./push -r $REPO $IMAGE_NAME
# else
# if [[ $push && (! $target == "dev") ]];then
# echo pushing now
# ./push $([[ $target == "arm" ]] && echo -a) -r $REPO $IMAGE_NAME
# fi
# fi
popd > /dev/null
if [[ ($try || $target == "dev") ]] && [[ ! $no_prompt ]]; then
echo trying newly built image in a container
try_container -m opt $([[ $target == "deploy" ]] && echo -p) $IMAGE_NAME
fi
#echo reset to calling directory $PWD
}
# if script was executed then call the function
(return 0 2>/dev/null) || docker_image_build $@