#!/bin/csh -f

# script to abstract sensors data to a time-stamped, host-specific
# data file.  This script is run EVERY MINUTE as a cron command by
# /etc/cron.d/sensors
#
# last revision: 2001.12.26 (ajw)


# write to the sensor data directory
cd /home/weaver/sensor_data


# get the correct hostname for file naming
set HOSTNAME = `/bin/hostname`


# create a temporary file of host-specific sensors data
/usr/bin/sensors > sensors_${HOSTNAME}_tmp.dat


# get the date
/bin/date +%Y-%m-%d_%H:%M:%S > sensors_${HOSTNAME}_datestamp.dat

grep "VCore 1" sensors_${HOSTNAME}_tmp.dat | awk '{print $3}' > \
  sensors_${HOSTNAME}_VCore1.dat
grep "VCore 2" sensors_${HOSTNAME}_tmp.dat | awk '{print $3}' > \
  sensors_${HOSTNAME}_VCore2.dat
grep "+3.3V"   sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_+3.3V.dat
grep "+5V"     sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_+5V.dat
grep "+12V"    sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_+12V.dat
grep "\-12V"   sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_-12V.dat
grep "\-5V"    sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_-5V.dat
grep "V5SB"    sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_V5SB.dat
grep "VBat"    sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_VBat.dat
grep "fan1"    sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_fan1.dat
grep "fan2"    sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_fan2.dat
grep "fan3"    sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_fan3.dat
grep "temp1"   sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' | \
  sed 's/°C//g' > sensors_${HOSTNAME}_temp1.dat
grep "temp2"   sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' | \
  sed 's/°C//g' > sensors_${HOSTNAME}_temp2.dat
grep "temp3"   sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' | \
  sed 's/°C//g' > sensors_${HOSTNAME}_temp3.dat
grep "vid"     sensors_${HOSTNAME}_tmp.dat | awk '{print $2}' > \
  sensors_${HOSTNAME}_vid.dat


# write ALL sensors data as ONE LINE to a host-specific data file
paste -d" " sensors_${HOSTNAME}_datestamp.dat sensors_${HOSTNAME}_VCore1.dat \
            sensors_${HOSTNAME}_VCore2.dat sensors_${HOSTNAME}_+3.3V.dat \
            sensors_${HOSTNAME}_+5V.dat sensors_${HOSTNAME}_+12V.dat \
            sensors_${HOSTNAME}_-12V.dat sensors_${HOSTNAME}_-5V.dat \
            sensors_${HOSTNAME}_V5SB.dat sensors_${HOSTNAME}_VBat.dat \
            sensors_${HOSTNAME}_fan1.dat sensors_${HOSTNAME}_fan2.dat \
            sensors_${HOSTNAME}_fan3.dat sensors_${HOSTNAME}_temp1.dat \
            sensors_${HOSTNAME}_temp2.dat sensors_${HOSTNAME}_temp3.dat \
            sensors_${HOSTNAME}_vid.dat >> sensors_${HOSTNAME}.dat


# truncate file length to some useful monitoring period
# for a monitoring interval of once every 5 minutes (12 measurements/hour)
# e.g., 1 week = 12*24*7 = 2016 lines
# e.g., 3 days = 12*24*3 = 864 lines
set maxlen = 864
set len = `wc -l sensors_${HOSTNAME}.dat | awk '{print $1}'`
set delta = `expr $len - $maxlen`
if ( $delta > 0 ) then
  sed 1,${delta}d sensors_${HOSTNAME}.dat > sensors_${HOSTNAME}_sed.dat
  mv sensors_${HOSTNAME}_sed.dat sensors_${HOSTNAME}.dat
endif


# remove temporary files
rm -f sensors_${HOSTNAME}_*.dat