Hook post receive com push options

post-receive.sh

#!/bin/sh

# ---- Config
ENV_NAME="Homologação"
TAG_SUFFIX="homolog"
PROJECT_NAME="Scania Journey Event"
PROJECT_PATH_HOST="/home/lfalmeida/Projects/GitHooks/prod/"
PROJECT_PATH_DOCKER="/src/projeto"
SLACK_WEBHOOK=""
ENABLE_SLACK_POST=0

# ---- helpers
printSuccessMessage ()  {
	echo -e "\x1b[1;32m✔ $@\e[0m"
}

printInfoMessage ()  {
	echo -e "\x1b[1;34m• $@\e[0m"
}

printWarningMessage() {
    echo -e "\x1b[1;33m* $@\e[0m"
}

printDangerMessage() {
    echo -e "\x1b[1;31m✖ $@\e[0m"
}

printBulletMessage() {
	echo "• $@"
}

printOutputMessage() {
	echo -e "\x1b[1;36m\n${OUTPUT_MESSAGE//'*'/}\n\e[0m"

	if [[ "$ENABLE_SLACK_POST" = 1 ]]; then 
		payload='{"text": "'${OUTPUT_MESSAGE}'", "mrkdwn": true}'
		curl -s -X POST -H 'Content-type: application/json' --data "${payload}" ${SLACK_WEBHOOK} > /dev/null
	fi
}

printHeader () {
	echo ""
	printInfoMessage "-------------------------------------------------"
	printInfoMessage "Checkout realizado para a tag: ${LATEST_TAG}"
	printInfoMessage "-------------------------------------------------"
	echo ""
}

# ---- tarefas no projeto
runComposer() {
	printInfoMessage "executando composer..."
	mkdir -p $HOME/.composer/cache;
	tty=
	tty -s && tty=--tty
	result=$(docker run \
			$tty \
			--interactive \
			--rm \
			-u $(id -u):$(id -g) \
			-v /etc/passwd:/etc/passwd:ro \
			-v /etc/group:/etc/group:ro \
			-v $HOME/.composer:/tmp \
			-v ~/.ssh:/home/$(whoami)/.ssh \
			-v ~/.ssh/:/etc/ssh/ \
			-v $PROJECT_PATH_HOST:/app \
			composer update --ignore-platform-reqs --prefer-dist > /dev/null)
    
	rc=$?; 
	if [[ $rc = 0 ]]; then 
		MESSAGE="Pacotes atualizdos com sucesso." ; 
		printSuccessMessage "Ok" 
		echo ''
	else		
		MESSAGE="Ocorreram problemas." ; 
		printDangerMessage "erro" 
		echo ''
	fi
	OUTPUT_MESSAGE="$OUTPUT_MESSAGE *Composer*: ${MESSAGE}\n"
	
	

}

runMigrations() {
	printInfoMessage "executando migrations..."
	#docker exec -i php /src/pi_johnson/bin/cake migrations migrate
	# limpa o cache das models
	#printBulletMessage "executando migrations..."
    #rm -Rf /var/www/src/pi_johnson/tmp/cache/models/*
	rc=$?; 
	if [[ $rc = 0 ]]; then 
		MESSAGE="Executadas com sucesso." ; 
		printSuccessMessage "Ok" 
		echo ''
	else		
		MESSAGE="Ocorreram problemas." ; 
		printDangerMessage "erro"
		echo ''
	fi

	OUTPUT_MESSAGE="$OUTPUT_MESSAGE *Migrations*: ${MESSAGE}\n"
}

runNpmInstall() {
	printInfoMessage "executando npm install..."
	tty=
	tty -s && tty=--tty
	docker run \
		$tty \
		--interactive \
		--rm \
		--name npm-cmd \
		-v $PROJECT_PATH_HOST:/app \
		lfalmeida/gulp \
		yarn > /dev/null

	rc=$?; 
	if [[ $rc = 0 ]]; then 
		MESSAGE="Atualizados com sucesso." ; 
		printSuccessMessage "Ok" 
		echo ''
	else		
		MESSAGE="Ocorreram problemas ao atualizar." ; 
		printDangerMessage "erro"
		echo ''
	fi

	OUTPUT_MESSAGE="$OUTPUT_MESSAGE *Pacotes Nodejs*: ${MESSAGE}\n"
}

runFrontendBuild() {
	printInfoMessage "executando frontend build..."
	tty=
	tty -s && tty=--tty
	result=$(docker run \
				$tty \
				--interactive \
				--rm \
				--name npm-cmd \
				-v $PROJECT_PATH_HOST:/app \
				lfalmeida/gulp \
				yarn build > /dev/null)

	rc=$?; 
	if [[ $rc = 0 ]]; then 
		MESSAGE="Executado com sucesso." ; 
		printSuccessMessage "Ok" 
		echo ''
	else		
		MESSAGE="Ocorreram problemas." ; 
		printDangerMessage "erro"
		echo ''
	fi

	OUTPUT_MESSAGE="$OUTPUT_MESSAGE *Build frontend*: ${MESSAGE}\n"
}

# ---- git functions
processPushOptions() {
	runComposer=0
	runMigrations=0		
	runNpmInstall=0		
	runFrontendBuild=0
	
	if test -n "$GIT_PUSH_OPTION_COUNT"
	then
		i=0
		while test "$i" -lt "$GIT_PUSH_OPTION_COUNT"
		do
			eval "value=\$GIT_PUSH_OPTION_$i"
			case "$value" in
				run-composer) runComposer=1;;
				run-migrations)	runMigrations=1;;			
				run-npm-install) runNpmInstall=1;;			
				run-frontend-build)	runFrontendBuild=1;;
				*) printDangerMessage "push option não suportada: ${value}" >&2	
			esac
			i=$((i + 1))
		done
	fi

	if [[ "$runComposer" = 1 ]]; then 
		runComposer 
	fi
	
	if [[ "$runMigrations" = 1 ]]; then 
		runMigrations 
	fi
	
	if [[ "$runNpmInstall" = 1 ]]; 
		then runNpmInstall 
	fi
	
	if [[ "$runFrontendBuild" = 1 ]]; then 
		runFrontendBuild 
	fi

}


TOTAL_TAGS_RECEIVED=0
countTagsReceived () {
	while read oldrev newrev ref
	do
		if [[ $ref = *"refs/tags/"* && $(echo $ref | cut -d'/' -f 3) = *"-${TAG_SUFFIX}" ]]; then
			TOTAL_TAGS_RECEIVED=$((TOTAL_TAGS_RECEIVED + 1))
		fi
	done
}

getLatestTag() {
	echo $(git describe --tags --match "*-${TAG_SUFFIX}" --abbrev=0 $(git rev-list --tags --max-count=1))
}

#inicializando com não zero, indicando que o checkout ainda não foi realizado.
CHECKOUT_STATUS_CODE=-1 
checkoutLatestTag() {
	LATEST_TAG=$(getLatestTag)
	GIT_WORK_TREE=${PROJECT_PATH_HOST} git checkout -f ${LATEST_TAG} > /dev/null
	CHECKOUT_STATUS_CODE=$?
}

main() {

	countTagsReceived

	if [[ "$TOTAL_TAGS_RECEIVED" -gt 0 ]]; then
		
		checkoutLatestTag

		if [[ "${CHECKOUT_STATUS_CODE}" = 0 ]]; then
            
			OUTPUT_MESSAGE="*Deploy realizado no projeto ${PROJECT_NAME}*\n"
			OUTPUT_MESSAGE="$OUTPUT_MESSAGE *Ambiente*: ${ENV_NAME}\n"
			OUTPUT_MESSAGE="$OUTPUT_MESSAGE *Tag*: ${LATEST_TAG}\n"

			printHeader

			processPushOptions
			printOutputMessage
		else
		    printDangerMessage "Não foi possível fazer o checkout para a tag: ${LATEST_TAG}"	
			printDangerMessage "Erro: ${CHECKOUT_STATUS_CODE}"	
		fi

	else
		echo -e "\n"
		printWarningMessage "Ambiente: ${ENV_NAME}"
		printWarningMessage "Neste ambiente são publicadas apenas tags com o sufixo: ${TAG_SUFFIX}"
		printWarningMessage "O push foi recebido. Nenhuma outra ação foi tomada."
		echo -e "\n"
	fi

}

# executa a função principal ---------------
main
# ---------------