mirror of
https://github.com/nextcloud/nextcloudpi.git
synced 2026-01-09 14:42:01 -03:30
126 lines
3.9 KiB
Bash
126 lines
3.9 KiB
Bash
#!/bin/bash
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# Nextcloud backups
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#
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# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
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# GPL licensed (see end of file) * Use at your own risk!
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#
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# More at https://ownyourbits.com/2017/02/13/nextcloud-ready-raspberry-pi-image/
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#
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install()
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{
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cat > /usr/local/bin/ncp-backup <<'EOF'
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#!/bin/bash
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set -eE
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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_$( date +"%Y%m%d" ).bak
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OCC="sudo -u www-data php /var/www/nextcloud/occ"
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DATADIR=$( $OCC config:system:get datadirectory ) || {
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echo "Error reading data directory. Is NextCloud running and configured?";
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exit 1;
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}
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cleanup(){ local RET=$?; rm -f "${DBBACKUP}" ;[[ -f /.docker-image ]] && mv /data/nextcloud /data/app; $OCC maintenance:mode --off; exit $RET; }
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fail() { local RET=$?; echo "Abort..." ; rm -f "${DBBACKUP}" "${DESTFILE}";[[ -f /.docker-image ]] && mv /data/nextcloud /data/app; $OCC maintenance:mode --off; exit $RET; }
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trap cleanup EXIT
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trap fail INT TERM HUP ERR
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echo "check free space..." # allow at least ~500 MiB for backups without data
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mkdir -p "$DESTDIR"
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[[ "$INCLUDEDATA" == "yes" ]] && SIZE=$( du -s "$DATADIR" | awk '{ print $1 }' ) || SIZE=500000
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FREE=$( df "$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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$OCC maintenance:mode --on
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[[ -f /.docker-image ]] && mv /data/app /data/nextcloud && DATADIR=/data/nextcloud/data
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[[ -f /.docker-image ]] && BASEDIR=/data || BASEDIR=/var/www
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cd "$BASEDIR" || exit 1
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echo "backup database..."
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mysqldump -u root --single-transaction nextcloud > "$DBBACKUP"
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# files
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echo "backup base files..."
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mkdir -p "$DESTDIR"
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tar --exclude "nextcloud/data/*/files/*" \
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--exclude "nextcloud/data/.opcache" \
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--exclude "nextcloud/data/{access,error,nextcloud}.log" \
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--exclude "nextcloud/data/access.log" \
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--exclude "nextcloud/data/ncp-update-backups/" \
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-cf "$DESTFILE" "$DBBACKUP" "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 "$DBBACKUP"
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[[ "$INCLUDEDATA" == "yes" ]] && {
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echo "backup data files..."
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tar --exclude "data/.opcache" \
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--exclude "data/{access,error,nextcloud}.log" \
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--exclude "data/access.log" \
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--exclude "data/ncp-update-backups/" \
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-rf "$DESTFILE" -C "$DATADIR"/.. "$( basename "$DATADIR" )" \
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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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}
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[[ "$COMPRESS" == "yes" ]] && {
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echo "compressing backup file..."
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tar -czf "${DESTFILE}.gz" -C "$( dirname "$DESTFILE" )" "$( basename "$DESTFILE" )"
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rm "$DESTFILE"
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DESTFILE="${DESTFILE}.gz"
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}
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chmod 600 "$DESTFILE"
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echo "backup $DESTFILE generated"
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EOF
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chmod +x /usr/local/bin/ncp-backup
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}
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configure()
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{
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ncp-backup "$DESTDIR" "$INCLUDEDATA" "$COMPRESS" "$BACKUPLIMIT"
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}
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# License
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#
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# This script is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This script is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this script; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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# Boston, MA 02111-1307 USA
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