Jamulus server + remote install

setup-jamulus_v2.sh

#!/bin/bash

echo ".----------------------------------------------------------."
echo "| Simons Jamulus Setup + vdellameas jamulus-server-remote  |"
echo "+----------------------------------------------------------+"
echo "| This script installs/upgrades jamulus to the latest      |"
echo "| release as well as allows you to setup a new jamulus     |"
echo "| server.   You can do either or both.                     |"
echo "'----------------------------------------------------------'"

read -p "Install/Upgrade Jamulus? (Y/y/N/n) :" install

if [[ "$install" == "Y" ]] || [[ "$install" == "y" ]]
then
	#------------------------------------------------------------------------------
	# First, get the latest .deb file from GitHub and install it
	#------------------------------------------------------------------------------

	url=$( curl -s https://api.github.com/repos/jamulussoftware/jamulus/releases/latest | fgrep browser_download_url | grep -o '[^"]*headless[^"]*' )
	file=${url##*/}

	wget -nv -N $url || { echo failed to download package ; exit 1; }

	sudo apt update || { echo failed to update apt database ; exit 1; }
	sudo apt install -y ./$file || { echo failed to install package ; exit 1; }

	# disable the default service, as we will create or use our own
	sudo systemctl stop jamulus-headless
	sudo systemctl disable jamulus-headless

	#------------------------------------------------------------------------------
	# Now look for existing services that refer to the old llcon installations
	#------------------------------------------------------------------------------

	oldserv=$( systemctl -t service list-unit-files jamulus\* | fgrep .service | sed 's/\.service.*//' )

	if [[ -n "$oldserv" ]]; then
		# echo "You have the following old services set up currently: " $oldserv
		for serv in $oldserv ; do
			if systemctl --value -p ExecStart show $serv | grep -q llcon-jamulus; then
				echo Old service $serv found - updating
				enabled=$( systemctl is-enabled $serv )
				active=$( systemctl is-active $serv )
				sudo systemctl disable $serv
				sudo systemctl stop $serv
				file=$( systemctl --value -p FragmentPath show $serv )

				sudo sed -i -e 's|/usr/local/bin/llcon-jamulus/Jamulus|/usr/bin/jamulus-headless|ig' $file

				echo Updated $file for new server
				sudo systemctl daemon-reload

				# Now restore the state of the service
				if [[ "$enabled" == 'enabled' ]]; then
					sudo systemctl enable $serv
				fi

				if [[ "$active" == 'active' ]]; then
					sudo systemctl start $serv
				fi
			fi
		done
	fi

	sudo mkdir -p /var/log/jamulus
	sudo chown jamulus:nogroup /var/log/jamulus
fi

read -p "Do you want to setup a Jamulus Server? (Y/y/N/n) : " setup
if [[ $setup == "Y" ]] || [[ $setup == "y" ]] 
then
	read -p "Enter name of your jamulus server : " servertitle
	servicename="jamulus-headless"
#	servicename=`echo "jamulus_$servername" | sed -e 's/^[ \t]*//' | sed -e 's/[ \t]*$//' | sed -e 's/ /_/g'`
	read -p "Enter port number to use or default (Enter=default) : " portno
	if [[ "$portno" != "" ]]
	then
          portno="--port $portno"
	fi

	read -p "Choose central list server to register to, for a public server, or 'p' for private.
	1 - AnyGenre1 (formerly Default)
	2 - AnyGenre2 (formerly All Genres)
	3 - AnyGenre3 (new)
	4 - Rock Genre
	5 - Jazz Genre
	6 - Classical/Folk Genre (formerly Folk/Classical/Choir)
	7 - Choral/Barbershop (new)
	8 - WorldJam
	p - Private
	c - This server will itself be a Central Server
Select: " cs
	# check response and set correct line
	case "$cs" in
		1) central="--centralserver anygenre1.jamulus.io:22124" ;;
		2) central="--centralserver anygenre2.jamulus.io:22224" ;;
		3) central="--centralserver anygenre3.jamulus.io:22624" ;;
		4) central="--centralserver rock.jamulus.io:22424" ;;
		5) central="--centralserver jazz.jamulus.io:22324" ;;
		6) central="--centralserver classical.jamulus.io:22524" ;;
		7) central="--centralserver choral.jamulus.io:22724" ;;
		8) central="--centralserver worldjam.vip" ;;
		c) central="--centralserver localhost" ;;
		*) central="" ;;
	esac

	if [[ "$cs" == "p" ]]
	then
		ufw allow 22124/udp
	fi
	
	read -p "Do you want recording enabled? (Y/y/N/n) : " recording
	if [[ "$recording" == "Y" ]] || [[ "$recording" == "y" ]] 
	then
		recording="--recording /home/jamulus/recording"
	else
		recording=""
	fi

	read -p "Do you want recording toggled on at start? (Y/y/N/n) : " toggle
	if [[ "$toggle" == "N" ]] || [[ "$toggle" == "n" ]] 
	then
		toggle="--norecord"
	else
		toggle=""
	fi
		
	read -p "How many max clients do you want to enable? (default 10) : " channels
	if [[ "$channels" == "" ]]; then channels=10; fi
	read -p "Location of your server (max chars 20) : " location
	read -p "Enter country code for your server https://doc.qt.io/qt-5/qlocale.html#Country-enum (Common: 224 - UK, 225 - US, 151 - Netherlands, 82 - Germany, 205 - Sweden) : " ccode
	/bin/cat <<EOF > ~/jamulus.service
[Unit]
Description=$servicetitle
After=network.target

[Service]
Type=simple
User=jamulus
Group=www-data
UMask=0002
NoNewPrivileges=true
ProtectSystem=true
ProtectHome=false
Nice=-20
IOSchedulingClass=realtime
IOSchedulingPriority=0

# This line below is what you want to edit according to your preferences
ExecStart=/usr/bin/jamulus-headless --server --nogui \
--log /var/log/jamulus/$servicename.log \
$recording \
$toggle \
--serverinfo "$servername;$location;$ccode" \
$central \
$portno \
--welcomemessage "Welcome to $servertitle" \
--numchannels $channels \
--multithreading
# end of section you might want to alter

Restart=on-failure
RestartSec=30
StandardOutput=journal
StandardError=inherit
SyslogIdentifier=jamulus

[Install]
WantedBy=multi-user.target
EOF

	sleep 3s # Sleep for 3 seconds to allow filesystem to write file
	echo "Starting server '$servername'"
        OUT=/etc/systemd/system/$servicename.service
	sudo cp ~/jamulus.service $OUT
	sudo systemctl daemon-reload
	sudo systemctl start $servicename
	sudo systemctl enable $servicename
fi

read -p "JAMULUS RECORDING REMOTE INSTALLATION v0.6. Are you sure?  (y/n)? " answer
if [ "$answer" != "${answer#[Yy]}" ] ;then

    echo "Stopping server '$servername'"
    sudo systemctl stop jamulus-headless
    
    sudo apt update
    sudo apt install -y wget curl
    
    #------------------------------------------------------------------------------
    # Get the latest .zip file from jamulus-server-remote GitHub
    #------------------------------------------------------------------------------
    
    jsr_url=https://github.com/vdellamea/jamulus-server-remote/archive/main.zip
    jsr_file=${jsr_url##*/}
    
    wget -nv -N $jsr_url || { echo failed to download zip file ; exit 1; }
    
    #------------------------------------------------------------------------------
    # Install needed packages
    #------------------------------------------------------------------------------
    
    sudo apt install -y unzip apache2 php libapache2-mod-php ffmpeg acl|| { echo failed to install package ; exit 1; }
    
    # Unzip jsr 
    unzip $jsr_file && cd jamulus-server-remote-main


# prepare web document root
    sudo rm /var/www/html/index.html
    sudo cp *.php /var/www/html/
    sudo chown -R www-data /var/www/html/
    sudo chgrp -R www-data /var/www/html/

# home dir for the jamulus user
    sudo usermod -d /home/jamulus jamulus
    sudo mkhomedir_helper jamulus

# recording directory
    sudo mkdir /home/jamulus/recording
    sudo chgrp www-data /home/jamulus/recording/
    sudo chmod g+rwx /home/jamulus/recording/
    sudo chmod g+s /home/jamulus/recording/
    sudo setfacl -d -m g::rwx /home/jamulus/recording/

# mixed songs directory  
    sudo mkdir /home/jamulus/mix
    sudo chgrp www-data /home/jamulus/mix/
    sudo chmod g+rwx /home/jamulus/mix/
    sudo chmod g+s /home/jamulus/mix/
    sudo setfacl -d -m g::rwx /home/jamulus/mix/

# consolidated tracks directory
    sudo mkdir /home/jamulus/consolidated
    sudo chgrp www-data /home/jamulus/consolidated/
    sudo chmod g+rwx /home/jamulus/consolidated/
    sudo chmod g+s /home/jamulus/consolidated/
    sudo setfacl -d -m g::rwx /home/jamulus/consolidated/

# add sudo capabilities to Apache for 2 commands
	/bin/cat <<EOF > jamulus-sudoers.txt
Cmnd_Alias JAMREC_OPS = /bin/systemctl kill -s SIGUSR1 $servicename, /bin/systemctl kill -s SIGUSR2 $servicename

www-data  ALL=(ALL) NOPASSWD:JAMREC_OPS
Defaults:www-data !requiretty
EOF

# open firewall for Web console
    ufw allow http

    sudo cp jamulus-sudoers.txt /etc/sudoers.d/jamulus

    echo "Starting server '$servername'"
    sudo systemctl daemon-reload
    sudo systemctl start $servicename
    sudo systemctl enable $servicename
    
else
    echo -n "JAMULUS RECORDING REMOTE INSTALLATION canceled."
fi