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duplicacy-scripts/duplicacy.sh

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#!/bin/sh
lockfile="/tmp/duplicacy.lock"
LOGFILE="/var/log/duplicacy/duplicacy_$(date +%Y%m%d-%H%M%S).log"
LATEST_DUPLICACY_VERSION="ls -lha $(dirname "$0")/binaries/ | awk '/-rw/{print substr($9,length($9)-4);exit}'"
LATEST_DUPLICACY_VERSION="3.0.1"
# make log directory
if [ ! -d $(dirname ${LOGFILE}) ]; then
mkdir $(dirname ${LOGFILE}) > /dev/null
fi
if [ -e ${lockfile} ] && kill -0 `cat ${lockfile}`; then
echo "duplicacy backup already running" >> ${LOGFILE}
exit
fi
# make sure the lockfile is removed when we exit and then claim it
trap "rm -f ${lockfile}; exit" INT TERM EXIT
echo $$ > ${lockfile}
# self update
cd $(dirname "$0")
git pull > /dev/null
# Duplicacy version update
INSTALLED_DUPLICACY_VERSION=$(duplicacy -h | awk '/VERSION:/{getline; print $1}')
if [ ${LATEST_DUPLICACY_VERSION} != ${INSTALLED_DUPLICACY_VERSION} ] || [ ! -e '/usr/bin/duplicacy' ]; then
# Determine the Kernel and Architecture
KERNEL=$(uname)
ARCH=$(uname -m)
if [ ${KERNEL} == 'Linux' ]; then
if [ ${ARCH} == 'x86_64' ]; then
curl -vL -o /usr/bin/duplicacy https://github.com/gilbertchen/duplicacy/releases/download/v${LATEST_DUPLICACY_VERSION}/duplicacy_linux_x64_${LATEST_DUPLICACY_VERSION} >> ${LOGFILE} 2>&1
chmod +x /usr/bin/duplicacy >> ${LOGFILE}
elif [ ${ARCH} == 'aarch64' ]; then
curl -vL -o /usr/bin/duplicacy https://github.com/gilbertchen/duplicacy/releases/download/v${LATEST_DUPLICACY_VERSION}/duplicacy_linux_arm64_${LATEST_DUPLICACY_VERSION} >> ${LOGFILE} 2>&1
chmod +x /usr/bin/duplicacy >> ${LOGFILE}
else
echo "Kernel Type: ${KERNEL}"
echo "Arch: ${ARCH}"
echo "Arch not supported."
exit
fi
elif [ ${KERNEL} == 'FreeBSD' ]; then
if [ ${ARCH} == 'amd64' ]; then
curl -vL -o /usr/bin/duplicacy https://github.com/gilbertchen/duplicacy/releases/download/v${LATEST_DUPLICACY_VERSION}/duplicacy_freebsd_x64_${LATEST_DUPLICACY_VERSION} >> ${LOGFILE} 2>&1
chmod +x /usr/bin/duplicacy >> ${LOGFILE}
else
echo "Kernel Type: ${KERNEL}"
echo "Arch: ${ARCH}"
echo "Arch not supported."
exit
fi
else
echo "Kernel Type: ${KERNEL}"
echo "Arch: ${ARCH}"
echo "Kernel not supported."
exit
fi
fi
# check if the /.duplicacy/preferences file exists before continuing
if [ ! -e "/.duplicacy/preferences" ] || [ ! -e "/.duplicacy/filters" ]; then
echo "ERROR: Duplicacy not yet configured. Please refer to readme file"
exit
fi
# run the backup
cd /
duplicacy -verbose -log backup -stats >> ${LOGFILE} 2>&1
# prune the backup
duplicacy -verbose -log prune -keep 0:360 -keep 30:180 -keep 7:30 -keep 1:7 >> ${LOGFILE} 2>&1
# copy the backup to offsite but only if the backup id as passed in
#if [ "${1}" == "--copyOffsite" ] || [ "${1}" == "-c" ]; then
#BACKUP_ID=$(awk '/"id"/{print substr($2,2,length($2)-3);exit}' /.duplicacy/preferences)
#duplicacy -verbose -log copy -to GauntBackupCRO -id ${BACKUP_ID} >> ${LOGFILE} 2>&1
#duplicacy -verbose -log copy -to GauntBackupGail -id ${BACKUP_ID} >> ${LOGFILE} 2>&1
#duplicacy -verbose -log copy -to GauntBackupNAS -id ${BACKUP_ID} >> ${LOGFILE} 2>&1
#duplicacy -verbose -log copy -to GauntBackupGCE01 -id ${BACKUP_ID} >> ${LOGFILE} 2>&1
#fi
# compress the logs
gzip $(dirname ${LOGFILE})/*.log
# clean up lockfile
rm -f ${lockfile}