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|
#!/bin/sh
case "$1" in
backup)
dbdir=$(uci -q get nlbwmon.@nlbwmon[0].database_directory)
if [ ! -d "${dbdir:-/var/lib/nlbwmon}" ]; then
echo "Unable to locate database directory" >&2
exit 1
fi
exec /bin/tar -C "${dbdir:-/var/lib/nlbwmon}" -c -z . -f -
;;
commit)
exec /usr/sbin/nlbw -c commit
;;
download)
shift
type=json
delim=,
period=
group_by=
order_by=
while [ -n "$1" ]; do
case "$1" in
-f)
case "$2" in
csv|json) type=$2 ;;
*) echo "Invalid data format" >&2; exit 1 ;;
esac
shift
;;
-s)
case "$2" in
?) delim=$2 ;;
*) echo "Invalid delimitter" >&2; exit 1 ;;
esac
shift
;;
-t)
case "$2" in
[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]) period=$2 ;;
*) echo "Invalid period" >&2; exit 1 ;;
esac
shift
;;
-g|-o)
case "$1:$2" in
-g:?*) group_by=$2 ;;
-o:?*) order_by=$2 ;;
*) echo "Argument required for $1" >&2; exit 1 ;;
esac
shift
;;
*)
echo "Unknown option $1" >&2
exit 1
;;
esac
shift
done
exec /usr/sbin/nlbw -c $type -s$delim \
${period:+-t $period} \
${group_by:+-g "$group_by"} \
${order_by:+-o "$order_by"}
;;
periods)
for date in $(/usr/sbin/nlbw -c list); do
case "$date" in
[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9])
res="${res:+$res, }\"$date\""
;;
esac
done
printf '{ "periods": [ %s ] }' "$res"
;;
restore)
if [ ! -f /tmp/nlbw-restore.tar.gz ]; then
echo "Unable to locate archive to restore" >&2
exit 1
fi
dbdir=$(uci -q get nlbwmon.@nlbwmon[0].database_directory)
files=$(/bin/tar -tzf /tmp/nlbw-restore.tar.gz | grep -E '^(\./)?[0-9]{8}\.db(\.gz)?$' | tr '\n' ' ')
if [ -z "$files" ]; then
echo "Invalid or empty backup archive" >&2
exit 1
fi
/etc/init.d/nlbwmon stop
/bin/mkdir -p "${dbdir:-/var/lib/nlbwmon}"
for file in $(/bin/tar -C "${dbdir:-/var/lib/nlbwmon}" -vxzf /tmp/nlbw-restore.tar.gz $files); do
res="${res:+$res, }\"${file#./}\""
done
/bin/rm -f /tmp/nlbw-restore.tar.gz
/etc/init.d/nlbwmon start
printf '{ "restored": [ %s ] }' "$res"
;;
*)
echo "Usage: $0 {commit|download|periods|restore}" >&2
exit 1
;;
esac
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