66 lines
1.6 KiB
Bash
Executable file
66 lines
1.6 KiB
Bash
Executable file
#!/bin/bash
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#
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# OER Foundation backup routine: Restic
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# 20190930 dave@oerfoundation.org
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#
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# Defaults
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NICE='ionice -c2 nice -n19'
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CMD=/usr/bin/restic
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SCR=$0
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CONF=site.conf
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DIR=`dirname $SCR`
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SCRNAME=`basename $SCR`
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PW=/root/restic.pw
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TAG="daily"
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LOG=/var/log/restic.log
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#
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# functions
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timestamp() {
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# a timestamp for logging purposes
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TIMESTAMP=`date '+%Y-%m-%d %H:%M.%S'`
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}
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#
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# function to direct a message...
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log() {
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#
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# a timestamp for logging purposes
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timestamp
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if test -w $LOG ; then
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echo "$SCRNAME: $TIMESTAMP $@" >> $LOG
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fi
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}
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space() {
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echo "" >> $LOG
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echo "" >> $LOG
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}
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#
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# provide the DST and override defaults
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if test -f $DIR/$CONF ; then
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source $DIR/$CONF
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if test -n $DST ; then
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log "creating a snapshot: $DST"
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else
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log "no destination (DST) provided - you must define DST in $DIR/$CONF for this script to run."
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error 1
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fi
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else
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echo "You need to create a site.conf in the same directory as $SCRNAME, i.e. $DIR."
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exit 1
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fi
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# commands to...
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# run the snapshot
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ARGS="-r $DST --password-file $PW backup --tag $TAG --exclude-file=/restic.excludes --files-from /restic.files"
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# clean up old snapshots
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CLEAN="-r $DST --password-file $PW forget --prune --cleanup-cache --tag $TAG --keep-daily 4 --keep-weekly 3 --keep-monthly 6 --keep-yearly 3"
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# prune 'forgotten' snapshots
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PRUNE="-r $DST --password-file $PW prune"
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# create a snapshot
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log "running snapshot"
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$NICE $CMD $ARGS >> $LOG
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# remove old snapshots
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log "running cleanup"
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$NICE $CMD $CLEAN >> $LOG
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$NICE $CMD $PRUNE >> $LOG
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# leave extra spaces
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log "done"
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space
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