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