Merge branch 'SupperSnapperRebuilds' into 'master'

Integrate Snapper into the system

See merge request readynas-scripts/share_lun_ui_fix.sh!10

share_lun_ui_fix.sh

@@ -11,6 +11,18 @@ mvcmd="mv"
 ################
 ### commands ###
 ################
+
+backupsnappershots() {
+    echo "==== [Task] Backing up existing Snapper configs"
+    tar -cf "/var/backups/backup_snapper_configs.$(date +%s).tar" /etc/snapper/configs 2>/dev/null 
+    if [[ $? ]]; then
+        echo "===== [Info] Success at backing up snapper configs"
+        echo "===== [Task] Removing Snapper Configs"
+        rm /etc/snapper/configs/* 2>/dev/null
+    else
+        echo "===== [Fail] Couldn't backup configs. Please debug"
+    fi
+}
 share_create() {
 	found=$((found+1))
 	shares=$((shares+1))
@@ -79,10 +91,75 @@ EOF
   writeable = 1
   follow symlinks = 1
 EOF
-	cd "$path"
+
+        cat > /etc/snapper/$((shares-1)) << EOF
+
+# subvolume to snapshot
+SUBVOLUME="/$volume/$item"
+
+# filesystem type
+FSTYPE="btrfs"
+
+
+# btrfs qgroup for space aware cleanup algorithms
+QGROUP=""
+
+
+# fraction of the filesystems space the snapshots may use
+SPACE_LIMIT="0.5"
+
+
+# users and groups allowed to work with config
+ALLOW_USERS="guest"
+ALLOW_GROUPS="admin"
+
+# sync users and groups from ALLOW_USERS and ALLOW_GROUPS to .snapshots
+# directory
+SYNC_ACL="no"
+
+
+# start comparing pre- and post-snapshot in background after creating
+# post-snapshot
+BACKGROUND_COMPARISON="yes"
+
+
+# run daily number cleanup
+NUMBER_CLEANUP="yes"
+
+# limit for number cleanup
+NUMBER_MIN_AGE="1800"
+NUMBER_LIMIT="50"
+NUMBER_LIMIT_IMPORTANT="10"
+
+
+# create hourly snapshots
+TIMELINE_CREATE="yes"
+
+# cleanup hourly snapshots after some time
+TIMELINE_CLEANUP="yes"
+
+# limits for timeline cleanup
+TIMELINE_MIN_AGE="1800"
+TIMELINE_LIMIT_HOURLY="10"
+TIMELINE_LIMIT_DAILY="10"
+TIMELINE_LIMIT_WEEKLY="0"
+TIMELINE_LIMIT_MONTHLY="10"
+TIMELINE_LIMIT_YEARLY="10"
+
+
+# cleanup empty pre-post-pairs
+EMPTY_PRE_POST_CLEANUP="yes"
+
+# limits for empty pre-post-pair cleanup
+EMPTY_PRE_POST_MIN_AGE="1800"
+
+SNAPSHOT_HWM="13"
+EOF
+    cd "$path"
         chown root.root datasettype.conf recycle.conf snapdir.conf snapshot.conf
         chown admin.admin afp.conf fs.conf ftp.conf nfs.conf samba.conf custom_snapshot_management.conf custom_snapshot_schedule.conf
         chmod 644 datasettype.conf recycle.conf snapdir.conf snapshot.conf afp.conf fs.conf ftp.conf nfs.conf samba.conf custom_snapshot_management.conf custom_snapshot_schedule.conf
+        chmod 640 /etc/snapper/configs/$((shares-1))
         echo "==== [Info] Done with Share /$volume/$item."
 }
 
@@ -192,6 +269,7 @@ else
             echo "=== [Info] Number of items found : $(echo $objects | wc -w)"
 		    echo "=== [Info] Items found:" $objects
 			backup_configs
+			backupsnappershots
 		    for item in $objects; do
                 echo "=== [Task] Reviewing $item"         
                 if ! btrfs subv show /"$volume"/"$item" &>/dev/null; then