Remove usage of CRONTAB

Dell_iDRAC_fan_controller.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+
+if [[ $FAN_SPEED == 0x* ]]
+then
+  DECIMAL_FAN_SPEED=$(printf '%d' $FAN_SPEED)
+  HEXADECIMAL_FAN_SPEED=$FAN_SPEED
+else
+  DECIMAL_FAN_SPEED=$FAN_SPEED
+  HEXADECIMAL_FAN_SPEED=$(printf '0x%02x' $FAN_SPEED)
+fi
+
+echo "Idrac/IPMI host: $IDRAC_HOST"
+if [[ $IDRAC_HOST != "local" ]]
+then
+  echo "Idrac/IPMI username: $IDRAC_USERNAME"
+  echo "Idrac/IPMI password: $IDRAC_PASSWORD"
+fi
+echo "Fan speed objective: $DECIMAL_FAN_SPEED%"
+echo "CPU temperature treshold: $CPU_TEMPERATURE_TRESHOLD°C"
+echo "Check interval: ${CHECK_INTERVAL}s"
+
+readonly DELL_FRESH_AIR_COMPLIANCE=45
+
+while true; do
+  if [[ $IDRAC_HOST == "local" ]]
+  then
+    LOGIN_STRING='open'
+  else
+    LOGIN_STRING="lanplus -H $IDRAC_HOST -U $IDRAC_USERNAME -P $IDRAC_PASSWORD"
+  fi
+
+  DATA=$(ipmitool -I $LOGIN_STRING sdr type temperature | grep degrees)
+  INLET_TEMPERATURE=$(echo "$DATA" | grep Inlet | grep -Po '\d{2}' | tail -1)
+  EXHAUST_TEMPERATURE=$(echo "$DATA" | grep Exhaust | grep -Po '\d{2}' | tail -1)
+  CPU_DATA=$(echo "$DATA" | grep "3\." | grep -Po '\d{2}')
+  CPU1_TEMPERATURE=$(echo $CPU_DATA | awk '{print $1;}')
+  CPU2_TEMPERATURE=$(echo $CPU_DATA | awk '{print $2;}')
+
+  RED='\033[0;31m'
+  GREEN='\033[0;32m'
+  NC='\033[0m' # No Color
+
+  echo "------------------------------------"
+  echo "Current"
+  echo "- inlet temperature is $INLET_TEMPERATURE°C"
+  echo "- CPU 1 temperature is $CPU1_TEMPERATURE°C"
+  echo "- CPU 2 temperature is $CPU2_TEMPERATURE°C"
+  echo "- Exhaust temperature is $EXHAUST_TEMPERATURE°C"
+
+  CPU1_OVERHEAT () { [ $CPU1_TEMPERATURE -gt $CPU_TEMPERATURE_TRESHOLD ]; }
+  CPU2_OVERHEAT () { [ $CPU2_TEMPERATURE -gt $CPU_TEMPERATURE_TRESHOLD ]; }
+
+  if CPU1_OVERHEAT
+  then
+    if CPU2_OVERHEAT
+    then
+      printf "CPU 1 and CPU 2 temperatures are ${RED}too high${NC}. Activating default dynamic fan control."
+    else
+      printf "CPU 1 temperature is ${RED}too high${NC}. Activating default dynamic fan control."
+    fi
+    ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x01 0x01
+  elif CPU2_OVERHEAT
+  then
+    printf "CPU 2 temperature is ${RED}too high${NC}. Activating default dynamic fan control."
+    ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x01 0x01
+  else
+    printf "CPUs temperatures are ${GREEN}OK${NC}. Using manual fan control with ${DECIMAL_FAN_SPEED}%% fan speed."
+    ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x01 0x00
+    ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x02 0xff $HEXADECIMAL_FAN_SPEED
+  fi
+  sleep $CHECK_INTERVAL
+done