Мониторинг температуры процессора в Zabbix

Т.к. не везде есть строка «Physical id» с уже максимальной t, то обойтись простым grep'ом не получится, поэтому используется awk для выборки max t ядра на каждом процессоре.

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0:  +44.0°C  (high = +81.0°C, crit = +91.0°C)
Core 0:         +43.0°C  (high = +81.0°C, crit = +91.0°C)
Core 1:         +38.0°C  (high = +81.0°C, crit = +91.0°C)
Core 2:         +45.0°C  (high = +81.0°C, crit = +91.0°C)
Core 3:         +37.0°C  (high = +81.0°C, crit = +91.0°C)
Core 4:         +43.0°C  (high = +81.0°C, crit = +91.0°C)
Core 5:         +42.0°C  (high = +81.0°C, crit = +91.0°C)

coretemp-isa-0001
Adapter: ISA adapter
Physical id 1:  +43.0°C  (high = +81.0°C, crit = +91.0°C)
Core 0:         +39.0°C  (high = +81.0°C, crit = +91.0°C)
Core 1:         +40.0°C  (high = +81.0°C, crit = +91.0°C)
Core 2:         +43.0°C  (high = +81.0°C, crit = +91.0°C)
Core 3:         +41.0°C  (high = +81.0°C, crit = +91.0°C)
Core 4:         +41.0°C  (high = +81.0°C, crit = +91.0°C)
Core 5:         +41.0°C  (high = +81.0°C, crit = +91.0°C)

coretemp-isa-0000                                                                                                                                             
Adapter: ISA adapter
Core 0:       +22.0°C  (high = +80.0°C, crit = +96.0°C)
Core 1:       +17.0°C  (high = +80.0°C, crit = +96.0°C)
Core 2:       +21.0°C  (high = +80.0°C, crit = +96.0°C)
Core 8:       +23.0°C  (high = +80.0°C, crit = +96.0°C)
Core 9:       +22.0°C  (high = +80.0°C, crit = +96.0°C)
Core 10:      +24.0°C  (high = +80.0°C, crit = +96.0°C)

coretemp-isa-0001
Adapter: ISA adapter
Core 0:       +15.0°C  (high = +80.0°C, crit = +96.0°C)
Core 1:       +21.0°C  (high = +80.0°C, crit = +96.0°C)
Core 2:       +18.0°C  (high = +80.0°C, crit = +96.0°C)
Core 8:       +20.0°C  (high = +80.0°C, crit = +96.0°C)
Core 9:       +18.0°C  (high = +80.0°C, crit = +96.0°C)
Core 10:      +17.0°C  (high = +80.0°C, crit = +96.0°C)

#!/bin/bash
export LC_ALL=""
export LANG="en_US.UTF-8"
#
if [[ -z $1 || -z $2 ]]; then
  ##### DISCOVERY #####
  PROCESSORS=`sensors 2>&1 | awk '{if (tolower($1)~"adapter") {counter +=1;}} END {for (i=1; i<=counter; i+=1) printf("CPU%1d\n", i-1); }'`
  if [[ -n ${PROCESSORS} ]]; then
    JSON="{ \"data\":["
    SEP=""
    for CPU in ${PROCESSORS}; do
      JSON=${JSON}"$SEP{\"{#CPUNAME}\":\"${CPU}\"}"
      SEP=", "
    done
    JSON=${JSON}"]}"
    echo ${JSON}
  fi
  exit 0
else
  ##### PARAMETERS #####
  HOST="$1"
  CPUNAME="$2"
  TABLE=`sensors 2>&1 | awk '{if (tolower($1)~"adapter") { counter +=1; } if (tolower($1)=="core")
      { if ($3 > temperature[counter]) temperature[counter] = $3;}}
      END {for (i=1; i<=counter; i+=1) printf ( "CPU%1d %2.1f\n", i-1, temperature[i]); }'`
  echo "${TABLE}" | awk "/${CPUNAME}/ {print \$2}" | head -n1
#
fi