Files
Dell_iDRAC_fan_controller_D…/Dell_iDRAC_fan_controller.sh
2022-07-10 16:31:51 +02:00

118 lines
3.6 KiB
Bash

#!/bin/bash
# Define global functions
apply_Dell_profile () {
ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x01 0x01 > /dev/null
CURRENT_FAN_CONTROL_PROFILE="Dell default dynamic fan control profile"
}
apply_user_profile () {
ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x01 0x00 > /dev/null
ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x02 0xff $HEXADECIMAL_FAN_SPEED > /dev/null
CURRENT_FAN_CONTROL_PROFILE="User static fan control profile ($DECIMAL_FAN_SPEED%)"
}
# Prepare traps in case of container exit
gracefull_exit () {
apply_Dell_profile
echo "/!\ WARNING /!\ Container stopped, Dell default dynamic fan control profile applied for safety."
exit 0
}
trap 'gracefull_exit' SIGQUIT SIGKILL SIGTERM
# Prepare, format and define initial variables
#readonly DELL_FRESH_AIR_COMPLIANCE=45
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
# Log main informations given to the container
echo "Idrac/IPMI host: $IDRAC_HOST"
if [[ $IDRAC_HOST == "local" ]]
then
LOGIN_STRING='open'
else
echo "Idrac/IPMI username: $IDRAC_USERNAME"
echo "Idrac/IPMI password: $IDRAC_PASSWORD"
LOGIN_STRING="lanplus -H $IDRAC_HOST -U $IDRAC_USERNAME -P $IDRAC_PASSWORD"
fi
echo "Fan speed objective: $DECIMAL_FAN_SPEED%"
echo "CPU temperature treshold: $CPU_TEMPERATURE_TRESHOLD°C"
echo "Check interval: ${CHECK_INTERVAL}s"
echo ""
readonly TABLE_HEADER_PRINT_INTERVAL=10
i=$TABLE_HEADER_PRINT_INTERVAL
IS_DELL_PROFILE_APPLIED=true
# Start monitoring
while true; do
sleep $CHECK_INTERVAL &
SLEEP_PROCESS_PID=$!
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;}')
CPU1_OVERHEAT () { [ $CPU1_TEMPERATURE -gt $CPU_TEMPERATURE_TRESHOLD ]; }
CPU2_OVERHEAT () { [ $CPU2_TEMPERATURE -gt $CPU_TEMPERATURE_TRESHOLD ]; }
COMMENT=" -"
if CPU1_OVERHEAT
then
apply_Dell_profile
if ! $IS_DELL_PROFILE_APPLIED
then
IS_DELL_PROFILE_APPLIED=true
if CPU2_OVERHEAT
then
COMMENT="CPU 1 and CPU 2 temperatures are too high. Dell default dynamic fan control profile applied."
else
COMMENT="CPU 1 temperature is too high. Dell default dynamic fan control profile applied."
fi
fi
elif CPU2_OVERHEAT
then
apply_Dell_profile
if ! $IS_DELL_PROFILE_APPLIED
then
IS_DELL_PROFILE_APPLIED=true
COMMENT="CPU 2 temperature is too high. Dell default dynamic fan control profile applied."
fi
else
apply_user_profile
if $IS_DELL_PROFILE_APPLIED
then
COMMENT="CPU temperature decreased and is now OK (<= $CPU_TEMPERATURE_TRESHOLD°C). User's fan control profile applied."
IS_DELL_PROFILE_APPLIED=false
fi
fi
# Print temperatures array
if [ $i -ge $TABLE_HEADER_PRINT_INTERVAL ]
then
echo " ------- Temperatures -------"
echo " Date & time Inlet CPU 1 CPU 2 Exhaust Active fan speed profile Comment"
i=0
fi
printf "%12s %3d°C %3d°C %3d°C %5d°C %40s %s\n" "$(date +"%d-%m-%y %H:%M:%S")" $INLET_TEMPERATURE $CPU1_TEMPERATURE $CPU2_TEMPERATURE $EXHAUST_TEMPERATURE "$CURRENT_FAN_CONTROL_PROFILE" "$COMMENT"
((i++))
wait $SLEEP_PROCESS_PID
done