mirror of
https://github.com/lobaro/restic-backup-docker.git
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4d2034ccd4
We can write our own hook that can choose what to do based on the exit code. For example, we may only want to sent notifications on failures.
76 lines
2.2 KiB
Bash
Executable File
76 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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lastLogfile="/var/log/backup-last.log"
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lastMailLogfile="/var/log/mail-last.log"
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copyErrorLog() {
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cp ${lastLogfile} /var/log/backup-error-last.log
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}
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logLast() {
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echo "$1" >> ${lastLogfile}
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}
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if [ -f "/hooks/pre-backup.sh" ]; then
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echo "Starting pre-backup script ..."
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/hooks/pre-backup.sh
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else
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echo "Pre-backup script not found ..."
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fi
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start=`date +%s`
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rm -f ${lastLogfile} ${lastMailLogfile}
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echo "Starting Backup at $(date +"%Y-%m-%d %H:%M:%S")"
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echo "Starting Backup at $(date)" >> ${lastLogfile}
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logLast "BACKUP_CRON: ${BACKUP_CRON}"
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logLast "RESTIC_TAG: ${RESTIC_TAG}"
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logLast "RESTIC_FORGET_ARGS: ${RESTIC_FORGET_ARGS}"
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logLast "RESTIC_JOB_ARGS: ${RESTIC_JOB_ARGS}"
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logLast "RESTIC_REPOSITORY: ${RESTIC_REPOSITORY}"
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logLast "AWS_ACCESS_KEY_ID: ${AWS_ACCESS_KEY_ID}"
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# Do not save full backup log to logfile but to backup-last.log
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restic backup /data ${RESTIC_JOB_ARGS} --tag=${RESTIC_TAG?"Missing environment variable RESTIC_TAG"} >> ${lastLogfile} 2>&1
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backupRC=$?
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logLast "Finished backup at $(date)"
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if [[ $backupRC == 0 ]]; then
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echo "Backup Successfull"
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else
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echo "Backup Failed with Status ${backupRC}"
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restic unlock
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copyErrorLog
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fi
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if [[ $backupRC == 0 ]] && [ -n "${RESTIC_FORGET_ARGS}" ]; then
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echo "Forget about old snapshots based on RESTIC_FORGET_ARGS = ${RESTIC_FORGET_ARGS}"
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restic forget ${RESTIC_FORGET_ARGS} >> ${lastLogfile} 2>&1
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rc=$?
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logLast "Finished forget at $(date)"
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if [[ $rc == 0 ]]; then
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echo "Forget Successfull"
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else
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echo "Forget Failed with Status ${rc}"
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restic unlock
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copyErrorLog
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fi
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fi
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end=`date +%s`
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echo "Finished Backup at $(date +"%Y-%m-%d %H:%M:%S") after $((end-start)) seconds"
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if [ -n "${MAILX_ARGS}" ]; then
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sh -c "mailx -v -S sendwait ${MAILX_ARGS} < ${lastLogfile} > ${lastMailLogfile} 2>&1"
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if [ $? == 0 ]; then
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echo "Mail notification successfully sent."
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else
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echo "Sending mail notification FAILED. Check ${lastMailLogfile} for further information."
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fi
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fi
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if [ -f "/hooks/post-backup.sh" ]; then
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echo "Starting post-backup script ..."
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/hooks/post-backup.sh $backupRC
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else
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echo "Post-backup script not found ..."
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fi
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