1 files changed, 78 insertions, 0 deletions
diff --git a/usr.sbin/periodic/etc/daily/223.backup-zfs b/usr.sbin/periodic/etc/daily/223.backup-zfs
new file mode 100755
index 000000000000..e76421220a0b
--- /dev/null
+++ b/usr.sbin/periodic/etc/daily/223.backup-zfs
@@ -0,0 +1,78 @@
+#!/bin/sh
+# Created by: Miroslav Lachman <000.fbsd@quip.cz>
+
+# Backup of zpool list, zfs list, zpool properties and zfs properties
+# for each filesystem. The backup will be stored in /var/backups.
+
+# If there is a global system configuration file, suck it in.
+#
+if [ -r /etc/defaults/periodic.conf ]
+then
+	. /etc/defaults/periodic.conf
+	source_periodic_confs
+fi
+
+bak_dir=/var/backups
+rc=0
+
+rotate() {
+	base_name=$1
+	show_diff=$2
+	file="$bak_dir/$base_name"
+
+	if [ -f "${file}.bak" ] ; then
+		if cmp -s "${file}.bak" "${file}.tmp"; then
+			rm "${file}.tmp"
+		else
+			if [ -n "$show_diff" ]; then
+				rc=1
+				diff ${daily_diff_flags} "${file}.bak" "${file}.tmp"
+			fi
+			mv "${file}.bak" "${file}.bak2" || rc=3
+			mv "${file}.tmp" "${file}.bak" || rc=3
+		fi
+	else
+		rc=1
+		mv "${file}.tmp" "${file}.bak" || rc=3
+		[ -n "$show_diff" ] && cat "${file}.bak"
+	fi
+}
+
+show=""
+case "$daily_backup_zfs_verbose" in
+	[Yy][Ee][Ss]) show="YES"
+esac
+
+case "$daily_backup_zfs_enable" in
+	[Yy][Ee][Ss])
+
+	zpools=$(zpool list $daily_backup_zpool_list_flags)
+
+	if [ -z "$zpools" ]; then
+		echo 'daily_backup_zfs_enable is set to YES but no zpools found.'
+		rc=2
+	else
+		echo ""
+		echo "Backup of ZFS information for all imported pools";
+
+		echo "$zpools" > "$bak_dir/zpool_list.tmp"
+		rotate "zpool_list" $show
+
+		zfs list $daily_backup_zfs_list_flags > "$bak_dir/zfs_list.tmp"
+		rotate "zfs_list" $show
+	fi
+	;;
+esac
+
+case "$daily_backup_zfs_props_enable" in
+	[Yy][Ee][Ss])
+
+	zfs get $daily_backup_zfs_get_flags > "$bak_dir/zfs_props.tmp"
+	rotate "zfs_props" $show
+
+	zpool get $daily_backup_zpool_get_flags > "$bak_dir/zpool_props.tmp"
+	rotate "zpool_props" $show
+	;;
+esac
+
+exit $rc