added nc-backup-auto

etc/nextcloudpi-config.d/nc-backup-auto.sh

@@ -0,0 +1,131 @@
+#!/bin/bash
+# Nextcloud backups
+# Tested with 2017-03-02-raspbian-jessie-lite.img
+#
+# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
+# GPL licensed (see end of file) * Use at your own risk!
+#
+# Usage:
+# 
+#   ./installer.sh nc-backup-auto.sh <IP> (<img>)
+#
+# See installer.sh instructions for details
+#
+# More at https://ownyourbits.com/2017/02/13/nextcloud-ready-raspberry-pi-image/
+#
+
+
+ACTIVE_=no
+DESTDIR_=/media/USBdrive
+INCLUDEDATA_=no
+BACKUPDAYS_=7
+BACKUPLIMIT_=4
+DESCRIPTION="Periodic backups"
+
+BASEDIR=/var/www
+
+install() 
+{
+  cat > /etc/systemd/system/nc-backup.service <<EOF
+[Unit]
+Description=Backup Nextcloud instance
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/ncp-backup
+
+[Install]
+WantedBy=default.target
+EOF
+}
+
+configure()
+{
+    [[ $ACTIVE_ != "yes" ]] && { 
+    systemctl stop    nc-backup.timer
+    systemctl disable nc-backup.timer
+    return 0
+  }
+
+  cat > /usr/local/bin/ncp-backup <<EOF
+#!/bin/bash
+DESTFILE=$DESTDIR_/nextcloud-bkp_\`date +"%Y%m%d"\`.tar 
+DBBACKUP=nextcloud-sqlbkp_\`date +"%Y%m%d"\`.bak
+
+DATADIR=\$( cd $BASEDIR/nextcloud; sudo -u www-data php occ config:system:get datadirectory ) || {
+  echo -e "Error reading data directory. Is NextCloud running and configured?";
+  return 1;
+}
+
+cd $BASEDIR/nextcloud
+sudo -u www-data php occ maintenance:mode --on
+
+cd $BASEDIR
+echo -e "backup database..."
+mysqldump -u root --single-transaction nextcloud > \$DBBACKUP
+
+[[ "$INCLUDEDATA_" == "yes" ]] && echo -e "backup datadir... "
+echo -e "backup files..."
+mkdir -p $DESTDIR_
+tar -cf \$DESTFILE $DATAFILE \$DBBACKUP nextcloud/ --exclude 'nextcloud/data/*/files/*' && \
+  echo -e "backup \$DESTFILE generated" || \
+  echo -e "error generating backup"
+rm \$DBBACKUP
+
+[[ "$INCLUDEDATA_" == "yes" ]] && {
+  tar -rf \$DESTFILE -C \$DATADIR/.. \$( basename \$DATADIR ) || \
+    echo -e "error generating data backup"
+}
+
+# delete older backups
+[[ $BACKUPLIMIT_ != 0 ]] && {
+  NUMBKPS=\$( ls $DESTDIR_/nextcloud-bkp_* | wc -l )
+  [[ \$NUMBKPS > $BACKUPLIMIT_ ]] && \
+    ls -t $DESTDIR_/nextcloud-bkp_* | tail -\$(( NUMBKPS - $BACKUPLIMIT_ )) | while read f; do
+      echo -e "clean up old backup \$f"
+      rm \$f
+    done
+}
+
+cd $BASEDIR/nextcloud
+sudo -u www-data php occ maintenance:mode --off
+EOF
+  chmod +x /usr/local/bin/ncp-backup
+
+  cat > /etc/systemd/system/nc-backup.timer <<EOF
+[Unit]
+Description=Timer to backup NC periodically
+
+[Timer]
+OnBootSec=${BACKUPDAYS_}days
+OnUnitActiveSec=${BACKUPDAYS_}days
+Unit=nc-backup.service
+
+[Install]
+WantedBy=timers.target
+EOF
+
+  systemctl daemon-reload
+  systemctl enable nc-backup.timer
+  systemctl start  nc-backup.timer
+}
+
+cleanup() { :; }
+
+# License
+#
+# This script is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This script is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this script; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+# Boston, MA  02111-1307  USA
+

etc/nextcloudpi-config.d/nc-backup.sh

@@ -17,6 +17,7 @@
 
 DESTDIR_=/media/USBdrive
 INCLUDEDATA_=no
+BACKUPLIMIT_=4
 DESCRIPTION="Backup this NC instance to a file"
 
 DESTFILE=$DESTDIR_/nextcloud-bkp_`date +"%Y%m%d"`.tar 
@@ -51,6 +52,15 @@ configure()
       echo -e "error generating data backup"
   }
 
+  # delete older backups
+  [[ $BACKUPLIMIT_ != 0 ]] && {
+    local NUMBKPS=$( ls $DESTDIR_/nextcloud-bkp_* | wc -l )
+    ls -t $DESTDIR_/nextcloud-bkp_* | tail -$(( $NUMBKPS - $BACKUPLIMIT_ )) | while read f; do
+      echo -e "clean up old backup $f"
+      rm $f
+    done
+  }
+
   cd $BASEDIR/nextcloud
   sudo -u www-data php occ maintenance:mode --off
 }