web/temp-12h.cgi

   1 #!/bin/sh
   2 echo "Content-type: image/png"
   3 echo
   4 D=/var/log/arexxd
   5
   6 current ()
   7 {
   8         Z=$(rrdtool fetch $1 AVERAGE -s-5min -r900 | grep : | grep -v nan | tail -1 | cut -d ' ' -f 2)
   9         if [ -z "$Z" ] ; then
  10                 echo -n "---- "
  11         else
  12                 printf "%4.1f°" "$Z"
  13         fi
  14 }
  15
  16 exec rrdtool graph - \
  17         --start 'now-12h' \
  18         --end 'now' \
  19         --title "Temperature" \
  20         -w 720 -h 600 \
  21         -x MINUTE:10:HOUR:1:HOUR:2:0:%H:%M \
  22         -y 5:1 \
  23         --right-axis 1:0 --right-axis-format "%3.0lf" \
  24         --units-exponent 0 --lower-limit -20 --upper-limit 40 --rigid \
  25         --legend-position east \
  26         --pango-markup \
  27         DEF:g=$D/sensor-ursarium.rrd:temp:AVERAGE \
  28         DEF:u=$D/sensor-kitchen.rrd:temp:AVERAGE \
  29         DEF:c=$D/sensor-catarium.rrd:temp:AVERAGE \
  30         DEF:m=$D/sensor-garage.rrd:temp:AVERAGE \
  31         DEF:a=$D/sensor-aquarium.rrd:temp:AVERAGE \
  32         'AREA:u#7777cc' \
  33         'AREA:m#77cc77' \
  34         'AREA:c#cc77cc' \
  35         'AREA:g#cc7777' \
  36         'LINE2:g#cc0000:Ursarium\n' \
  37         'LINE2:u#0000cc:Kitchen\n' \
  38         'LINE2:a#00cccc:Aquarium\n' \
  39         'LINE2:c#cc00cc:Catarium\n' \
  40         'LINE2:m#00cc00:Garage\n' \
  41         'HRULE:0#0000ff' \
  42         'COMMENT:\s' \
  43         'COMMENT:\s' \
  44         'COMMENT:\s' \
  45         'COMMENT:<span foreground="#cc0000" font-size="x-large" weight="bold">'"$(current $D/sensor-ursarium.rrd)"'</span>\l' \
  46         'COMMENT:\s' \
  47         'COMMENT:<span foreground="#0000cc" font-size="x-large" weight="bold">'"$(current $D/sensor-kitchen.rrd)"'</span>\l' \
  48         'COMMENT:\s' \
  49         'COMMENT:<span foreground="#00cccc" font-size="x-large" weight="bold">'"$(current $D/sensor-aquarium.rrd)"'</span>\l' \
  50         'COMMENT:\s' \
  51         'COMMENT:<span foreground="#cc00cc" font-size="x-large" weight="bold">'"$(current $D/sensor-catarium.rrd)"'</span>\l' \
  52         'COMMENT:\s' \
  53         'COMMENT:<span foreground="#00cc00" font-size="x-large" weight="bold">'"$(current $D/sensor-garage.rrd)"'</span>\l' \