applications/luci-app-nlbwmon/root/usr/libexec/nlbwmon-action

   1 #!/bin/sh
   2
   3 case "$1" in
   4
   5         backup)
   6                 dbdir=$(uci -q get nlbwmon.@nlbwmon[0].database_directory)
   7
   8                 if [ ! -d "${dbdir:-/var/lib/nlbwmon}" ]; then
   9                         echo "Unable to locate database directory" >&2
  10                         exit 1
  11                 fi
  12
  13                 exec /bin/tar -C "${dbdir:-/var/lib/nlbwmon}" -c -z . -f -
  14         ;;
  15
  16         commit)
  17                 exec /usr/sbin/nlbw -c commit
  18         ;;
  19
  20         download)
  21                 shift
  22
  23                 type=json
  24                 delim=,
  25                 period=
  26                 group_by=
  27                 order_by=
  28
  29                 while [ -n "$1" ]; do
  30                         case "$1" in
  31                                 -f)
  32                                         case "$2" in
  33                                                 csv|json) type=$2 ;;
  34                                                 *) echo "Invalid data format" >&2; exit 1 ;;
  35                                         esac
  36                                         shift
  37                                 ;;
  38                                 -s)
  39                                         case "$2" in
  40                                                 ?) delim=$2 ;;
  41                                                 *) echo "Invalid delimitter" >&2; exit 1 ;;
  42                                         esac
  43                                         shift
  44                                 ;;
  45                                 -t)
  46                                         case "$2" in
  47                                                 [0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]) period=$2 ;;
  48                                                 *) echo "Invalid period" >&2; exit 1 ;;
  49                                         esac
  50                                         shift
  51                                 ;;
  52                                 -g|-o)
  53                                         case "$1:$2" in
  54                                                 -g:?*) group_by=$2 ;;
  55                                                 -o:?*) order_by=$2 ;;
  56                                                 *) echo "Argument required for $1" >&2; exit 1 ;;
  57                                         esac
  58                                         shift
  59                                 ;;
  60                                 *)
  61                                         echo "Unknown option $1" >&2
  62                                         exit 1
  63                                 ;;
  64                         esac
  65                         shift
  66                 done
  67
  68                 exec /usr/sbin/nlbw -c $type -s$delim \
  69                         ${period:+-t $period} \
  70                         ${group_by:+-g "$group_by"} \
  71                         ${order_by:+-o "$order_by"}
  72         ;;
  73
  74         periods)
  75                 for date in $(/usr/sbin/nlbw -c list); do
  76                         case "$date" in
  77                                 [0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9])
  78                                         res="${res:+$res, }\"$date\""
  79                                 ;;
  80                         esac
  81                 done
  82
  83                 printf '{ "periods": [ %s ] }' "$res"
  84         ;;
  85
  86         restore)
  87                 if [ ! -f /tmp/nlbw-restore.tar.gz ]; then
  88                         echo "Unable to locate archive to restore" >&2
  89                         exit 1
  90                 fi
  91
  92                 dbdir=$(uci -q get nlbwmon.@nlbwmon[0].database_directory)
  93                 files=$(/bin/tar -tzf /tmp/nlbw-restore.tar.gz | grep -E '^(\./)?[0-9]{8}\.db(\.gz)?$' | tr '\n' ' ')
  94
  95                 if [ -z "$files" ]; then
  96                         echo "Invalid or empty backup archive" >&2
  97                         exit 1
  98                 fi
  99
 100                 /etc/init.d/nlbwmon stop
 101                 /bin/mkdir -p "${dbdir:-/var/lib/nlbwmon}"
 102
 103                 for file in $(/bin/tar -C "${dbdir:-/var/lib/nlbwmon}" -vxzf /tmp/nlbw-restore.tar.gz $files); do
 104                         res="${res:+$res, }\"${file#./}\""
 105                 done
 106
 107                 /bin/rm -f /tmp/nlbw-restore.tar.gz
 108                 /etc/init.d/nlbwmon start
 109
 110                 printf '{ "restored": [ %s ] }' "$res"
 111         ;;
 112
 113         *)
 114                 echo "Usage: $0 {commit|download|periods|restore}" >&2
 115                 exit 1
 116         ;;
 117 esac