3 # sudo apt-get install jq
4 # ln -s `pwd`/temp2.sh /var/www/html/temp2.sh
5 # ln -s /dev/shm/temp2.png /var/www/html/temp2.png
6 # ln -s /dev/shm/temp2-gray.png /var/www/html/temp2-gray.png
8 # install as cgi-script and invoke to get png use http://localhost/temp2.sh?gray for kindle grayscale output
10 # use as http://localhost/temp2.sh?t=6h to show last 6h instead of default 48h
12 INTERVAL=`echo $QUERY_STRING | grep -i 't=[0-9]*h' | sed 's/.*t=\([0-9]*h\).*/\1/'`
13 test -z "$INTERVAL" && INTERVAL=48h
15 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"value\" FROM \"mqtt_consumer\" WHERE time > now() - $INTERVAL AND \"topic\"='stat/boiler/DS18B20/temperature'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' > /dev/shm/DS18B20-temperature
16 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"value\" FROM \"mqtt_consumer\" WHERE time > now() - $INTERVAL AND \"topic\"='stat/boiler/DHT22/temperature'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' > /dev/shm/DHT22-temperature
17 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"value\" FROM \"mqtt_consumer\" WHERE time > now() - $INTERVAL AND \"topic\"='stat/boiler/DHT22/humidity'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' > /dev/shm/DHT22-humidity
19 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"temperature_C\" FROM \"rtl_433\" WHERE time > now() - $INTERVAL AND \"topic\"='rpi2/rtl_433/influx' AND \"id\" = '5'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' > /dev/shm/rtl_433-temperature
20 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"temperature_C\",\"channel\" FROM \"rtl_433\" WHERE time > now() - $INTERVAL AND \"topic\"='rpi2/rtl_433/influx' AND \"id\" = '9'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' | tr -d '\\"' > /dev/shm/rtl_433-9-temperature
22 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT mean(\"value\"),spread(\"value\") FROM \"mqtt_consumer\" WHERE time > now() - $INTERVAL AND \"topic\"='stat/boiler/DS18B20/temperature'" | jq '.results[0].series[0].values[0][1,2]' > /dev/shm/temperature.mean.spread
23 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT mean(\"value\"),spread(\"value\") FROM \"mqtt_consumer\" WHERE time > now() - $INTERVAL AND \"topic\"='stat/boiler/DHT22/humidity'" | jq '.results[0].series[0].values[0][1,2]' > /dev/shm/humidity.mean.spread
25 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"humidity\" FROM \"rtl_433\" WHERE time > now() - $INTERVAL AND \"topic\"='rpi2/rtl_433/influx' AND \"id\" = '5'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' > /dev/shm/rtl_433-humidity
26 #curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"humidity\",\"channel\" FROM \"rtl_433\" WHERE time > now() - $INTERVAL AND \"topic\"='rpi2/rtl_433/influx' AND \"id\" = '9'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' | tr -d '\\"' > /dev/shm/rtl_433-9-humidity
27 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"humidity\",\"channel\" FROM \"rtl_433\" WHERE time > now() - $INTERVAL AND \"topic\"='rpi2/rtl_433/influx' AND \"rid\" = '172'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' | tr -d '\\"' > /dev/shm/rtl_433-9-172-humidity
28 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"humidity\",\"channel\" FROM \"rtl_433\" WHERE time > now() - $INTERVAL AND \"topic\"='rpi2/rtl_433/influx' AND \"rid\" = '75'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' | tr -d '\\"' > /dev/shm/rtl_433-9-75-humidity
29 curl -G 'http://10.60.0.89:8086/query' --data-urlencode "db=telegraf" --data-urlencode "epoch=s" --data-urlencode "q=SELECT \"humidity\",\"channel\" FROM \"rtl_433\" WHERE time > now() - $INTERVAL AND \"topic\"='rpi2/rtl_433/influx' AND \"rid\" = '141'" | sed -e 's/^.*"values":\[\[//' -e 's/\],\[/\n/g' -e 's/,/ /g' -e 's/]].*$//' | tr -d '\\"' > /dev/shm/rtl_433-9-141-humidity
32 cd /home/pi/vaillant-thermostat/
33 gnuplot -e "t_mean=`head -1 /dev/shm/temperature.mean.spread`;t_spread=`tail -1 /dev/shm/temperature.mean.spread`;h_mean=`head -1 /dev/shm/humidity.mean.spread` ; h_spread=`tail -1 /dev/shm/humidity.mean.spread`" temp2.gnuplot
35 GRAY=`echo $QUERY_STRING | grep -i gray`
36 if [ ! -z "$GRAY" ] ; then
37 convert /dev/shm/temp2.png -gravity center -extent 600x800 -colorspace Gray /dev/shm/temp2-gray.png
41 set > /dev/shm/temp2.cgi.vars
43 echo "Location: $REQUEST_SCHEME://$SERVER_NAME:$SERVER_PORT/temp2$GRAY.png"
48 montage /dev/shm/[1-3].png -tile 1x3 -geometry +0+0 /tmp/m1.png
49 convert /tmp/m1.png -gravity center -extent 600x800 /tmp/m1.pgm
50 convert /tmp/m1.png -gravity center -extent 600x800 -colorspace Gray /tmp/m1.gray.png
53 echo Location: http://192.168.3.2/m1.gray.png