install.sh

#! /bin/bash

env='venv'
wdir=$(pwd)

echo "Step 1: Installing needed python dependencies."

# create python virtual-env
if [ ! -d "${env}" ] 
then
	echo "Creating virtual environment at ${env}"
	virtualenv $env
fi

install requirements
source $env/bin/activate
echo "Installing required packages"
pip install -r requirements.txt

# create systemd service

echo "Step 2: Creating systemd service."

# config file
[[ ! -d '/etc/sysconfig' ]] && sudo mkdir /etc/sysconfig
sudo echo \
"PATH=${wdir}/${env}/bin:${PATH}
SPEEK_KEY=$(python -c 'import secrets; print(secrets.token_hex())')" > speek.env
sudo cp speek.env /etc/sysconfig/
rm speek.env

echo \
"[Unit]
Description = SPeek a simple web-based system monitor. 
After=network.target

[Service]
User=$(whoami)
Group=www-data
WorkingDirectory=${wdir}
EnvironmentFile=/etc/sysconfig/speek.env
ExecStart=${wdir}/${env}/bin/gunicorn speek:app -k geventwebsocket.gunicorn.workers.GeventWebSocketWorker -w 1 -b unix:speek.sock -m 007

[Install]
WantedBy=multi-user.target"  > speek.service

echo -e "================= speek.service ==================\n"
cat speek.service
echo -e "\n=============== end speek.service ================"

echo -e "Copying Unit file shown above into /etc/systemd/system/ for service setup"
sudo systemctl stop speek
sudo cp speek.service /etc/systemd/system/
sudo systemctl daemon-reload
sudo systemctl enable speek
sudo systemctl start speek


# configure nginx

echo "Step 3: Setting up Nginx configuration."

while true; do
		read -p "Would you like to set up a domain through Nginx (Y/n)? " yn
		[[ $yn == '' ]] && yn='Y'
		case $yn in
				[Yy]* ) cont=true; break;;
				[Nn]* ) cont=false; break;;
				* ) echo "Please answer yes or no.";;
		esac
done

if [ $cont = true ]
then
	read -p "Please add the domain name you wich to set up for your SPeek: " domain


	if [ ! -d '/etc/nginx' ]
	then
		echo 'No Nginx detected in typical config path /etc/nginx, attempting to install with apt.'
		sudo apt install nginx
	fi

	nginx_site_file="speek.panel"

	echo \
	"server {
		listen 80;
		listen [::]:80;

		server_name ${domain};

		location / {
			include proxy_params;
			proxy_pass http://unix:${wdir}/speek.sock;

			# WebSocket support
 			proxy_http_version 1.1;
			proxy_set_header Upgrade \$http_upgrade;
			proxy_set_header Connection 'upgrade';
		}

		location ^~ /static/  {
    	include  /etc/nginx/mime.types;
    	root ${wdir}/speek/;
		}

		location ^~ /templates/  {
    	include  /etc/nginx/mime.types;
    	root ${wdir}/speek/;
		}
	}" > $nginx_site_file

	[[ ! -d '/etc/nginx/sites-available' ]] && sudo mkdir /etc/nginx/sites-available
	[[ ! -d '/etc/nginx/sites-enabled' ]] && sudo mkdir /etc/nginx/sites-enabled

	sudo cp $nginx_site_file "/etc/nginx/sites-available/${nginx_site_file}"
	[[ ! -e "/etc/nginx/sites-enabled/${nginx_site_file}" ]] && sudo ln -s "/etc/nginx/sites-available/${nginx_site_file}" "/etc/nginx/sites-enabled/${nginx_site_file}"

	sudo systemctl restart nginx

	echo -e "\nDone!\nSee speek service with: systemctl status speek\nSee nginx service with: systemctl status nginx\n"

	echo -e "Step 4: SSL Certificate."

	while true; do
			read -p "Would you like to set up a SSL certificate from Let's Encrypt (Y/n)? " yn
			[[ $yn == '' ]] && yn='Y'
			case $yn in
					[Yy]* ) cont=true; break;;
					[Nn]* ) cont=false; break;;
					* ) echo "Please answer yes or no.";;
			esac
	done

	if [ $cont = true ]
	then
		if ! command -v certbot &> /dev/null
		then
				echo "Certbot could not be found, installing with apt"
				sudo apt install certbot
		fi

		sudo certbot --nginx -n --redirect -d $domain

	fi # "Step 4: SSL Certificate."

fi # Step 3: Setting up Nginx

echo -e "\nStep 5: Creating database and initial user."

python -c 'from speek import init'