Created
June 25, 2020 06:35
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| #!/bin/bash | |
| # Script originally from https://blog.arrogantrabbit.com/backup/Duplicacy-Web-on-Synology-Diskstation/ | |
| # Duplicacy version. Modify and re-run the script when new version is released | |
| DUPLICACY_WEB_VERSION=1.3.0 | |
| # Username for the daemon to run on behalf of. Give this user permission to read stuff that needs to be backed up. | |
| USERNAME=duplicacy | |
| GROUPNAME=users | |
| if [[ $(id -u) != 0 ]]; then | |
| sudo -p 'Restarting as root, password: ' bash $0 "$@" | |
| exit $? | |
| fi | |
| # Figuring out correct download suffix | |
| MACHINE_ARCH=$(uname -m) | |
| case ${MACHINE_ARCH} in | |
| "x86_64") | |
| ARCH=x64 | |
| ;; | |
| "arm") | |
| ARCH=arm | |
| ;; | |
| *) | |
| echo Unknown or unsupported architecture ${MACHINE_ARCH} | |
| exit 2 | |
| ;; | |
| esac | |
| SERVICENAME=duplicacy_web | |
| echo "Using duplicacy_web version ${DUPLICACY_WEB_VERSION} arch ${ARCH}" | |
| echo "Service ${SERVICENAME} will run as a user ${USERNAME}:${GROUPNAME}" | |
| # Target application filename. | |
| APPFILE=duplicacy_web_linux_${ARCH}_${DUPLICACY_WEB_VERSION} | |
| # Download URL | |
| URL=https://acrosync.com/duplicacy-web/${APPFILE} | |
| echo "Stopping the service ${SERVICENAME}" | |
| stop ${SERVICENAME} | |
| # Check if specified user exists | |
| if [[ 0 != $(id -u ${USERNAME} > /dev/null 2>&1; echo $?) ]] ; then | |
| echo "User ${USERNAME} does not exist. Create the user and enable user home service (Control Panel, User, Advanced)" | |
| exit 3 | |
| fi | |
| # Check if user has home folder | |
| HOMEDIR="$(eval echo ~"${USERNAME}")" | |
| if [ ! -d ${HOMEDIR} ] ; then | |
| echo "Home directory for the user ${USERNAME} does not exist. Make sure Homes service is running" | |
| exit 4 | |
| fi | |
| # If application executable hasn't been downloaded yet -- do it now | |
| APPFILEPATH=${HOMEDIR}/${APPFILE} | |
| if [ ! -f ${APPFILEPATH} ]; then | |
| echo "Downloading executable from ${URL}" | |
| wget -O ${APPFILEPATH} ${URL} | |
| if [[ $? != 0 ]]; then | |
| echo "Download failed" | |
| rm -f ${APPFILEPATH} | |
| exit 5 | |
| fi | |
| chmod +x ${APPFILEPATH} || exit 6 | |
| fi | |
| # Write out upstart daemon configuration | |
| echo "Creating upstart daemon ${SERVICENAME} in /etc/init" | |
| cat > /etc/init/${SERVICENAME}.conf << EOF | |
| description "${SERVICENAME} daemon" | |
| author "Arrogant Rabbit" | |
| start on syno.network.ready and syno.share.ready | |
| stop on runlevel [06] | |
| env HOME=${HOMEDIR} | |
| env DUPLICACY_ATTRIBUTE_THRESHOLD=1 | |
| setuid ${USERNAME} | |
| setgid ${GROUPNAME} | |
| respawn | |
| respawn limit 5 10 | |
| oom score -999 | |
| console log | |
| exec ${APPFILEPATH} | |
| EOF | |
| echo "Launching service ${SERVICENAME}" | |
| start ${SERVICENAME} || exit 7 | |
| echo "Duplicacy has been installed and started successfully" | |
| echo "By default duplicacy_web is listening on port 3875 on a loopback interface for security." | |
| echo "To establish connection start TCP tunnel first: ssh -L 3875:127.0.0.1:3875 $(hostname)" | |
| echo "Then navigate to http://localhost:3875" | |
| # Enable SSH TcpForwarding | |
| sed -i "s/.*AllowTcpForwarding.*/AllowTcpForwarding yes/g" /etc/ssh/sshd_config | |
| restart sshd | |
| ssh -L 3875:127.0.0.1:3875 $(hostname) |
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