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build.sh
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build.sh
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#!/bin/bash
set -e
# Reference:
# - https://docs.docker.com/engine/userguide/containers/dockerimages/
# - https://github.com/dockerfile/java/blob/master/oracle-java8/Dockerfile
if [ $# -lt 1 ]; then
echo "-------------------------------------------------------------------------------------------"
echo "Usage: "
echo " ${0} [-i <imageTag>] [<more Docker build arguments ...>] ] "
echo "e.g."
echo " ./build.sh -i my-container-image --no-cache "
echo " ./build.sh --no-cache --build-arg OS_TYPE=centos'"
echo "-------------------------------------------------------------------------------------------"
fi
DOCKERFILE=${1:-./Dockerfile}
if [[ "$OSTYPE" == "linux-gnu" ]]; then
# Linux
MY_DIR=$(dirname "$(readlink -f "$0")")
DOCKERFILE=$(realpath $DOCKERFILE)
elif [[ "$OSTYPE" == "darwin"* ]]; then
# Mac OSX
MY_DIR=`pwd`
else
MY_DIR=`pwd`
fi
BUILD_CONTEXT=$(dirname ${DOCKERFILE})
imageTag=
###################################################
#### ---- Parse Command Line Arguments: ---- #####
###################################################
PARAMS=""
while (( "$#" )); do
case "$1" in
-i|--imageTag)
imageTag=$2
shift 2
;;
## -- allowing docker's command options to go through without exiting
## e.g.,
#-*|--*=) # unsupported flags
# echo "Error: Unsupported flag $1" >&2
# exit 1
# ;;
*) # preserve positional arguments
PARAMS="$PARAMS $1"
shift
;;
esac
done
# set positional arguments in their proper place
eval set -- "$PARAMS"
echo "imageTag: $imageTag"
echo "remiaing args:"
echo $@
options=$@
##########################################################
#### ---- Whether to remove previous build cache ---- ####
#### ---- Valid value: 0 (No remove); 1 (yes, remove)
##########################################################
REMOVE_CACHE=0
###############################################################################
###############################################################################
###############################################################################
#### ---- DO NOT Change the code below UNLESS you really want to !!!!) --- ####
#### ---- DO NOT Change the code below UNLESS you really want to !!!!) --- ####
#### ---- DO NOT Change the code below UNLESS you really want to !!!!) --- ####
###############################################################################
###############################################################################
###############################################################################
##########################################################
#### ---- Generate remove cache option if needed ---- ####
##########################################################
REMOVE_CACHE_OPTION=""
if [ ${REMOVE_CACHE} -gt 0 ]; then
REMOVE_CACHE_OPTION="--no-cache --rm"
fi
###################################################
#### ---- Change this only if want to use your own
###################################################
ORGANIZATION=openkbs
###################################################
#### ---- Detect Docker Run Env files ----
###################################################
function detectDockerBuildEnvFile() {
curr_dir=`pwd`
if [ -s "${DOCKER_ENV_FILE}" ]; then
echo "--- INFO: Docker Build Environment file '${DOCKER_ENV_FILE}' FOUND!"
else
echo "*** WARNING: Docker Build Environment file '${DOCKER_ENV_FILE}' NOT found!"
echo "*** WARNING: Searching for .env or docker.env as alternative!"
echo "*** --->"
if [ -s "./docker-build.env" ]; then
echo "--- INFO: ./docker-build.env FOUND to use as Docker Run Environment file!"
DOCKER_ENV_FILE="./docker-build.env"
else
if [ -s "./.env" ]; then
echo "--- INFO: ./.env FOUND to use as Docker Run Environment file!"
DOCKER_ENV_FILE="./.env"
else
echo "--- INFO: ./.env Docker Environment file (.env) NOT found!"
if [ -s "./docker.env" ]; then
echo "--- INFO: ./docker.env FOUND to use as Docker Run Environment file!"
DOCKER_ENV_FILE="./docker.env"
else
echo "*** WARNING: Docker Environment file (.env) or (docker.env) NOT found!"
fi
fi
fi
fi
}
detectDockerBuildEnvFile
###################################################
#### ---- Container package information ----
###################################################
DOCKER_IMAGE_REPO=`echo $(basename $PWD)|tr '[:upper:]' '[:lower:]'|tr "/: " "_" `
imageTag=${imageTag:-"${ORGANIZATION}/${DOCKER_IMAGE_REPO}"}
###################################################
#### ---- Generate build-arg arguments ----
###################################################
BUILD_ARGS=""
BUILD_DATE="`date -u +"%Y-%m-%dT%H:%M:%SZ"`"
VCS_REF="`git rev-parse --short HEAD`"
VCS_URL="https://github.com/`echo $(basename $PWD)`"
BUILD_ARGS="--build-arg BUILD_DATE=${BUILD_DATE} --build-arg VCS_REF=${VCS_REF}"
## -- ignore entries start with "#" symbol --
function generateBuildArgs() {
if [ "${DOCKER_ENV_FILE}" != "" ] && [ -s "${DOCKER_ENV_FILE}" ]; then
for r in `cat ${DOCKER_ENV_FILE} | grep -v '^#'`; do
echo "entry=> $r"
key=`echo $r | tr -d ' ' | cut -d'=' -f1`
value=`echo $r | tr -d ' ' | cut -d'=' -f2`
BUILD_ARGS="${BUILD_ARGS} --build-arg $key=$value"
done
fi
}
generateBuildArgs
echo "BUILD_ARGS=${BUILD_ARGS}"
###################################################
#### ---- Setup Docker Build Proxy ----
###################################################
# export NO_PROXY="localhost,127.0.0.1,.openkbs.org"
# export HTTP_PROXY="http://gatekeeper-w.openkbs.org:80"
# when using "wget", add "--no-check-certificate" to avoid https certificate checking failures
#
echo "... Setup Docker Build Proxy: ..."
PROXY_PARAM=
function generateProxyArgs() {
if [ "${HTTP_PROXY}" != "" ]; then
PROXY_PARAM="${PROXY_PARAM} --build-arg HTTP_PROXY=${HTTP_PROXY}"
fi
if [ "${HTTPS_PROXY}" != "" ]; then
PROXY_PARAM="${PROXY_PARAM} --build-arg HTTPS_PROXY=${HTTPS_PROXY}"
fi
if [ "${NO_PROXY}" != "" ]; then
PROXY_PARAM="${PROXY_PARAM} --build-arg NO_PROXY=\"${NO_PROXY}\""
fi
if [ "${http_proxy}" != "" ]; then
PROXY_PARAM="${PROXY_PARAM} --build-arg http_proxy=${http_proxy}"
fi
if [ "${https_proxy}" != "" ]; then
PROXY_PARAM="${PROXY_PARAM} --build-arg https_proxy=${https_proxy}"
fi
if [ "${no_proxy}" != "" ]; then
PROXY_PARAM="${PROXY_PARAM} --build-arg no_proxy=\"${no_proxy}\""
fi
BUILD_ARGS="${BUILD_ARGS} ${PROXY_PARAM}"
}
generateProxyArgs
echo -e "BUILD_ARGS=> \n ${BUILD_ARGS}"
echo
###################################################
#### ----------- Build Container ------------ #####
###################################################
cd ${BUILD_CONTEXT}
set -x
sudo docker build ${REMOVE_CACHE_OPTION} -t ${imageTag} \
${BUILD_ARGS} \
${options} \
-f $(basename ${DOCKERFILE}) ${BUILD_CONTEXT}
set +x
cd -
###################################################
#### --------- More Guides for Users -------- #####
###################################################
echo "----> Shell into the Container in interactive mode: "
echo " docker exec -it --name <some-name> /bin/bash"
echo "e.g."
echo " docker run --name "my-$(basename $imageTag)" /bin/bash "
echo "----> Run: "
echo " docker run --name <some-name> -it ${imageTag} /bin/bash"
echo "e.g."
echo " docker run --name "my-$(basename $imageTag)" ${imageTag} "
echo "----> Run in interactive mode: "
echo " docker run -it --name <some-name> ${imageTag} /bin/bash"
echo "e.g."
echo " docker run -it --name "my-$(basename $imageTag)" -it ${imageTag} "
echo "----> Build Docker Images again: "
echo "To build again: (there is a dot at the end of the command!)"
echo " docker build -t ${imageTag} . "
echo
sudo docker images |grep "$imageTag"