Fan Speed Control on r710

#!/bin/bash
# ----------------------------------------------------------------------------------
# Script for checking the temperature reported by the ambient temperature sensor,
# and if deemed too high send the raw IPMI command to enable dynamic fan control.
# ----------------------------------------------------------------------------------


# IPMI SETTINGS:
# Modify to suit your needs.
# DEFAULT IP: 192.168.0.120
IPMIHOST=192.168.1.xxx
IPMIUSER=
IPMIPW=
echo $(date) "Checking Tempature Values"

ipmitool -H $IPMIHOST -U $IPMIUSER -P $IPMIPW -I lanplus sensor reading "FAN 1 RPM" "Ambient Temp"

# TEMPERATURE
# Change this to the temperature in celcius you are comfortable with.
# If the temperature goes above the set degrees it will send raw IPMI command to enable dynamic fan control

MAXTEMP=30
MIDTEMP=25
LOWSPEED=2280
MIDSPEED=4440

# This variable sends a IPMI command to get the temperature, and outputs it as two digits.
# Do not edit unless you know what you do.
TEMP=$(ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW sdr type temperature |grep Ambient |grep degrees |grep -Po '\d{2}' | tail -1)
FANSPEED=$(ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW  sensor reading "FAN 1 RPM" |grep FAN |grep -Po '\d{4}' | tail -1)

echo $(date) "Current Fan Speed" $FANSPEED
echo $(date) "Current Ambient Temp" $TEMP


if [[ $TEMP > $MAXTEMP ]];
  then
    # printf "Warning: Temperature is too high! Activating dynamic fan control! ($TEMP C)" | systemd-cat -t R710-IPMI-TEMP
    echo $(date) "Warning: Temperature is too high! Activating dynamic fan control! ($TEMP C)"

    ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW raw 0x30 0x30 0x01 0x01

  elif [[ $TEMP > $MIDTEMP ]]; then
    if [[ $FANSPEED -eq $MIDSPEED ]]; then
       echo "skiping"
    else
       echo $(date) "Temperature is OK little Warm " $TEMP "c"
       echo $(date) "Setting Syttem to Manual fan control"
       ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW raw 0x30 0x30 0x01 0x00
       echo $(date) "Boosting Fan Speed"
       echo $(date) "Setting Fans to 4440rpm"
       ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW raw 0x30 0x30 0x02 0xff 0x1e
    fi
else
    if [[ $FANSPEED -le $LOWSPEED ]]; then
       echo $(date) "Fan at Speed and Temp Skiping"
    else
       echo $(date) "Setting System To Manual Fan Control"
       ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW raw 0x30 0x30 0x01 0x00
       echo $(date) "Temperature is OK ($TEMP C)"
       echo $(date) "Setting Fans to 2280rpm"
       ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW raw 0x30 0x30 0x02 0xff 0x0a
   fi
fi