mirror of
https://github.com/nextcloud/nextcloudpi.git
synced 2026-01-09 06:32:00 -03:30
107 lines
3.3 KiB
Bash
Executable File
107 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
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set -eE
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source /usr/local/etc/library.sh
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if [ "$1" = "--help" ]; then
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echo "$0 <destdir> <includedata> <compress> <backuplimit>"
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echo " <includedata> and <compress> are 'yes' or 'no'"
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echo " <backuplimit> integer >= 1 or 0 for no limit"
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exit 0
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fi
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destdir="${1:-/media/USBdrive/ncp-backups}"
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includedata="${2:-no}"
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compress="${3:-no}"
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backuplimit="${4:-0}"
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destfile="$destdir"/nextcloud-bkp_$( date +"%Y%m%d_%s" ).tar
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dbbackup=nextcloud-sqlbkp_$( date +"%Y%m%d" ).bak
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[[ -f /.docker-image ]] && basedir=/data || basedir=/var/www
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[[ "$compress" == "yes" ]] && destfile="$destfile".gz
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datadir=$( get_nc_config_value datadirectory ) || {
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echo "Error reading data directory. Is NextCloud running and configured?";
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exit 1;
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}
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cleanup(){ local ret=$?; rm -f "${dbbackup}" ; restore_maintenance_mode; exit $ret; }
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fail() { local ret=$?; echo "Abort..." ; rm -f "${dbbackup}" "${destfile}"; restore_maintenance_mode; exit $ret; }
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trap cleanup EXIT
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trap fail INT TERM HUP ERR
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echo "check free space..." # allow at least ~500 extra MiB
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mkdir -p "$destdir"
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nsize=$(du -sb "$basedir/nextcloud" | awk '{ print $1 }')
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[[ -d "$basedir/nextcloud"/data ]] && \
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dsize=$(du -sb "$basedir/nextcloud"/data | awk '{ print $1 }')
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margin=$((500*1024*1024)) # safety margin for database and some extra
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if [[ "$includedata" == "yes" ]]; then
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datasize=$(du -sb "$datadir" | awk '{ print $1 }')
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size=$((nsize - dsize + margin + datasize))
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else
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size=$((nsize - dsize + margin))
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fi
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free=$( df -B1 "$destdir" | tail -1 | awk '{ print $4 }' )
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[ $size -ge $free ] && {
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echo "free space check failed. Need $size Bytes";
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exit 1;
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}
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# delete older backups
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[[ $backuplimit != 0 ]] && {
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numbkps=$( ls "$destdir"/nextcloud-bkp_* 2>/dev/null | wc -l )
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[[ $numbkps -ge $backuplimit ]] && \
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ls -t $destdir/nextcloud-bkp_* | tail -$(( numbkps - backuplimit + 1 )) | while read -r f; do
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echo "clean up old backup $f"
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rm "$f"
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done
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}
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# database
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save_maintenance_mode
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cd "$basedir" || exit 1
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echo "backup database..."
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mysqldump -u root --single-transaction nextcloud > "$dbbackup"
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# files
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echo "backup files..."
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[[ "$includedata" == "yes" ]] && data="$(basename "$datadir")"
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[[ "$compress" == "yes" ]] && compress_arg="-I pigz"
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mkdir -p "$destdir"
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tar $compress_arg -cf "$destfile" \
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\
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"$dbbackup" \
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\
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--exclude "$data/.opcache" \
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--exclude "nextcloud/data/access.log" \
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--exclude "nextcloud/data/error.log" \
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--exclude "nextcloud/data/nextcloud.log" \
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--exclude "$data/ncp-update-backups" \
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-C "$(dirname "$datadir"/)" $data \
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\
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--exclude "nextcloud/data/*/files/*" \
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--exclude "nextcloud/data/.opcache" \
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--exclude "nextcloud/data/access.log" \
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--exclude "nextcloud/data/error.log" \
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--exclude "nextcloud/data/nextcloud.log" \
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--exclude "nextcloud/data/appdata_*/preview/*" \
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--exclude "nextcloud/data/*/uploads/*" \
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--exclude "nextcloud/data/*/cache/*" \
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--exclude "nextcloud/data/*/files_trashbin/*" \
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--exclude "nextcloud/data/*/files_versions/*" \
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--exclude "nextcloud/data/ncp-update-backups" \
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--exclude "nextcloud/data/__groupfolders" \
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--exclude "nextcloud/.data_*" \
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-C $basedir nextcloud/ \
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|| {
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echo "error generating backup"
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exit 1
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}
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rm "$dbbackup"
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chmod 640 "$destfile"
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chown :www-data "$destfile"
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echo "backup $destfile generated"
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