dab-release.sh

#!/bin/bash
# set -e: if a command fails, it will make the whole script exit
# set -u: treat unset variables as an error, and immediately exit.
set -eu

SCRIPT_NAME="${0##*/}"

usage() {
	echo "${SCRIPT_NAME} usage:"
	echo '<*> [-P | --profile] <local|test|production>'
	echo '    [-S | --skip-update]'
	echo '    [-d | --debug]'
	echo '    [-h | --help]'
	echo '<*>: mandatory parameter'
}
repeat() {
	printf "${1}%.0s" `seq 1 ${2}`; echo
}
slog() {
	if [[ 'x-hg' = "x${1}" ]]; then
		shift; TEXT="[${SCRIPT_NAME}] ${@}"
		repeat '=' "${#TEXT}"
		echo "${TEXT}"
		repeat '=' "${#TEXT}"
	else
		echo "[${SCRIPT_NAME}] ${@}"
	fi
}

if [[ $# -lt 2 ]]; then
	usage
	exit 4
fi

# Initialization
DAB_PROJECT="${HOME}/dab"
DAB_SERVICE="tomcat-dab"
MAVEN_DEFAULT_PROFILE="production"
PROFILE="${MAVEN_DEFAULT_PROFILE}"
TARGET_PATH="${DAB_PROJECT}/target"
WAR_FILE='dab.war'
DEPLOY_PATH='/store/tomcat/dab/webapps'
SLEEP_TIME='5'
DEBUG='no'
SKIP_UPDATE='no'

# Handle Command line parameters
SHORT='hdSP:'
LONG='help,debug,skip-update,profile:'
PARSED=`getopt --options ${SHORT} --longoptions ${LONG} --name "$0" -- "$@"`
if [[ $? != 0 ]]; then
		exit 2
fi
# Add -- at the end of line arguments
eval set -- "${PARSED}"

while true; do
	case "$1" in
		-h|--help)
			usage
			exit 5
			;;
		-d|--debug)
			DEBUG='yes'
			shift
			;;
		-S|--skip-update)
			SKIP_UPDATE='yes'
			shift
			;;
		-P|--profile)
			PROFILE="$2"
			shift
			shift
			;;
		--)
			shift
			break
			;;
		*)
			slog "Parameters error"
			exit 3
			;;
	esac
done

slog -hg "START RELEASE - $(date +%d/%m/%Y-%H:%M:%S)"

if [[ "xyes" = "x${DEBUG}" ]]; then
	# Move into the dab project directory
	slog cd "${DAB_PROJECT}"
	# Update the code
	[[ 'xyes' != "x${SKIP_UPDATE}" ]] && slog svn update
	# Clean and rebuild the project
	slog mvn clean package -P"${PROFILE}"
	# Stop tomcat
	slog service "${DAB_SERVICE}" stop
	# some sleeping, just to be sure
	slog sleep "${SLEEP_TIME}"
	# remove old war and directory files
	slog rm -rf "${DEPLOY_PATH}"/dab*
	# copy the new war file
	slog cp "${TARGET_PATH}/${WAR_FILE}" "${DEPLOY_PATH}"
	# start tomcat again
	slog service "${DAB_SERVICE}" start
else
	# Move into the dab project directory
	cd "${DAB_PROJECT}"
	# Update the code
	if [[ 'xyes' != "x${SKIP_UPDATE}" ]]; then
		slog 'update the code'
		svn update
	fi
	# Clean and rebuild the project
	slog 'rebuild the project'
	mvn clean package -P"${PROFILE}"
	# Stop tomcat
	slog "stop the ${DAB_SERVICE} service"
	service "${DAB_SERVICE}" stop
	# some sleeping, just to be sure
	sleep "${SLEEP_TIME}"
	# remove old war and directory files
	slog 'clean old war'
	rm -rf "${DEPLOY_PATH}"/dab*
	# copy the new war file
	slog 'copy new war'
	cp "${TARGET_PATH}/${WAR_FILE}" "${DEPLOY_PATH}"
	# start tomcat again
	service "${DAB_SERVICE}" start
fi

slog -hg "END RELEASE   - $(date +%d/%m/%Y-%H:%M:%S)"