Merge pull request #1 from davidshare/deploy-script

feat(deployCheckpoint): write a script to deploy simulations checkpoint

Author: davidshare

.gitignore

@@ -0,0 +1,2 @@
+.env
+*.pem

main.sh

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+#!/usr/bin/env bash
+# create environment variables
+createEnv(){
+	sudo echo "
+		export SITE=davidessien.com
+		export GIT_REPO=https://github.com/andela/selene-ah-frontend.git
+		export SITES_AVAILABLE=/etc/nginx/sites-available
+		export SITES_ENABLED=/etc/nginx/sites-enabled
+		export SITES_ENABLED_CONFIG=/etc/nginx/sites-enabled/selene
+		export SITES_AVAILABLE_CONFIG=/etc/nginx/sites-available/selene
+		export REPOSITORY_FOLDER=selene-ah-frontend
+		export [email protected]
+		export GREEN='\033[0;32m'
+		export RED='\033[0;31m'
+	" > .env
+
+	# add enviroment variables to OS
+	source .env
+}
+
+# Ouput messages to terminal
+output(){
+	echo -e "$2 ################################ $1 ################################## $(tput sgr0)"
+}
+
+# Install node.js
+installNode(){
+	output "installing node.js" $GREEN
+	sudo apt-get update
+	curl -sL https://deb.nodesource.com/setup_10.x -o nodesource_setup.sh
+	sudo bash nodesource_setup.sh
+	sudo apt-get install -y nodejs
+	output "Node.js installed successfully" $GREEN
+}
+
+# Clone the repository
+cloneRepository(){
+	output "Checking if repository exists..." $GREEN
+	if [ ! -d selene-ah-frontend ]
+		then
+			output "Cloning repository..." $GREEN
+			git clone -b aws-deploy https://github.com/andela/selene-ah-frontend.git
+		else
+			output "Repository already exists..." $RED
+			output "Removing repository..." $GREEN
+			sudo rm -r selene-ah-frontend
+			output "Cloning repository..." $GREEN
+			git clone -b aws-deploy https://github.com/andela/selene-ah-frontend.git
+	fi
+	output "Repository cloned successfully" $GREEN
+}
+
+# Setup the project
+setupProject(){
+	output "installing node modules" $GREEN
+	cd selene-ah-frontend
+	sudo npm install -y
+	sudo npm audit fix --force
+	sudo npm run build
+	output "successfully installed node modules" $GREEN
+}
+
+# Setup nginx
+setupNginx(){
+	output "installing nginx" $GREEN
+	# Install nginx
+	sudo apt-get install nginx -y
+
+	output "setting up reverse proxy" $GREEN
+	# Setup reverse proxy with nginx
+	nginxScript="server {
+    listen       80;
+    server_name  $SITE "www.$SITE";
+
+    location / {
+      proxy_pass      http://127.0.0.1:8080;
+    }
+  }"
+
+	# Remove the default nginx proxy script
+	if [ -f $SITES_AVAILABLE/default ]; then
+    sudo rm $SITES_AVAILABLE/default
+	fi
+
+	if [ -f $SITES_ENABLED/default ]; then
+    sudo rm $SITES_ENABLED/default
+	fi
+
+	# Create an nginx reverse proxy script
+	sudo echo ${nginxScript} >> ${SITES_AVAILABLE_CONFIG}
+
+	# Create a symlink for the sites enabled and the sites available script
+	sudo ln -s $SITES_AVAILABLE_CONFIG $SITES_ENABLED_CONFIG
+
+	sudo service nginx restart
+
+	output "successfully setup nginx" $GREEN
+}
+
+setupSSL(){
+	output "installing and setting up SSL" $GREEN
+	site=davidessien.com
+	[email protected]
+	sudo apt-get update -y
+
+	# Get and install the SSL certificate
+	sudo apt-get install software-properties-common -y
+	sudo add-apt-repository ppa:certbot/certbot -y
+	sudo apt-get update -y
+	sudo apt-get install python-certbot-nginx -y
+
+	# Configure the ngix proxy file to use the SSL certificate
+	sudo certbot --nginx -n --agree-tos --email $email --redirect --expand -d $site -d "www.$site"
+
+	output "successfuly setup SSL" $GREEN
+}
+
+# Create a service to run the app in the backgroud using systemctl
+createAppService(){
+	output "Creating a service for the app..." $GREEN
+	sudo bash -c "cat > /etc/systemd/system/selene.service <<EOF
+		[Unit]
+		Description=Selene ah Service - Service to start the selene-ah frontend app
+		After=network.target
+
+		[Service]
+		ExecStart=/usr/bin/node /home/ubuntu/selene-ah-frontend/server.js
+		Restart=on-failure
+		Type=simple
+		User=ubuntu
+
+		[Install]
+		WantedBy=multi-user.target"
+}
+
+# start the app using the service that has been created
+startAppService(){
+	output "Starting the app service..." $GREEN
+	sudo systemctl daemon-reload
+  sudo systemctl start selene.service
+  sudo systemctl enable selene.service
+}
+
+
+# Function to deploy the project
+main(){
+	createEnv
+	setupNginx
+	installNode
+	cloneRepository
+	setupProject
+	setupSSL
+	createAppService
+	startAppService
+	output "Project deployed" $GREEN
+}
+
+main