deluge_install.sh

#!/bin/bash
# Installs deluge daemon + webui and systemd start scripts 
# Tested on: Ubuntu Server 16.04.1 x64 / 4 Cores / 4GB RAM / 20 GB SSD
USER="rcguy"

# update the system first
sudo apt update && sudo apt upgrade -y

# add the deluge ppa so we get the most recent version
sudo add-apt-repository ppa:deluge-team/ppa
sudo apt update
sudo apt install deluged deluge-webui -y

# add a user to run deluge
sudo adduser --system --gecos "Deluge Service" --disabled-password --group --home /opt/deluge deluge
sudo adduser $USER deluge

# create a log directory for deluge and give the service user (e.g. deluge), full access:
sudo mkdir -p /var/log/deluge
sudo chown -R deluge:deluge /var/log/deluge
sudo chmod -R 755 /var/log/deluge

# create the systemd service file for the daemon
cat >> /etc/systemd/system/deluged.service <<EOF
[Unit]
Description=Deluge Bittorrent Client Daemon
After=network-online.target

[Service]
Type=simple
User=deluge
Group=deluge
UMask=007

ExecStart=/usr/bin/deluged -d -l /var/log/deluge/daemon.log -L warning

Restart=on-failure

# Configures the time to wait before service is stopped forcefully.
TimeoutStopSec=300

[Install]
WantedBy=multi-user.target
EOF

# create the systemd service file for the webui
cat >> /etc/systemd/system/deluge-web.service <<EOF
[Unit]
Description=Deluge Bittorrent Client Web Interface
After=network-online.target

[Service]
Type=simple
User=deluge
Group=deluge
UMask=027

ExecStart=/usr/bin/deluge-web -l /var/log/deluge/web.log -L warning

Restart=on-failure

[Install]
WantedBy=multi-user.target
EOF

# enable log rotation
cat >> /etc/logrotate.d/deluge <<EOF
/var/log/deluge/*.log {
        rotate 4
        weekly
        missingok
        notifempty
        compress
        delaycompress
        sharedscripts
        postrotate
                systemctl restart deluged >/dev/null 2>&1 || true
                systemctl restart deluge-web >/dev/null 2>&1 || true
        endscript
}
EOF

# enable both systemd scripts
systemctl enable /etc/systemd/system/deluged.service
systemctl enable /etc/systemd/system/deluge-web.service

# start both the daemon and webui
systemctl start deluged
systemctl start deluge-web

# check that status of our scripts
systemctl status deluged
systemctl status deluge-web

# end script
exit 0