176 lines
7.5 KiB
Bash
176 lines
7.5 KiB
Bash
#!/bin/bash
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# Define global functions
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# This function applies Dell's default dynamic fan control profile
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function apply_Dell_fan_control_profile () {
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# Use ipmitool to send the raw command to set fan control to Dell default
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ipmitool -I $IDRAC_LOGIN_STRING raw 0x30 0x30 0x01 0x01 > /dev/null
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CURRENT_FAN_CONTROL_PROFILE="Dell default dynamic fan control profile"
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}
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# This function applies a user-specified static fan control profile
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function apply_user_fan_control_profile () {
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# Use ipmitool to send the raw command to set fan control to user-specified value
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ipmitool -I $IDRAC_LOGIN_STRING raw 0x30 0x30 0x01 0x00 > /dev/null
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ipmitool -I $IDRAC_LOGIN_STRING raw 0x30 0x30 0x02 0xff $HEXADECIMAL_FAN_SPEED > /dev/null
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CURRENT_FAN_CONTROL_PROFILE="User static fan control profile ($DECIMAL_FAN_SPEED%)"
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}
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function enable_third_party_PCIe_card_Dell_default_cooling_response () {
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# We could check the current cooling response before applying but it's not very useful so let's skip the test and apply directly
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ipmitool -I $IDRAC_LOGIN_STRING raw 0x30 0xce 0x00 0x16 0x05 0x00 0x00 0x00 0x05 0x00 0x00 0x00 0x00 > /dev/null
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}
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function disable_third_party_PCIe_card_Dell_default_cooling_response () {
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# We could check the current cooling response before applying but it's not very useful so let's skip the test and apply directly
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ipmitool -I $IDRAC_LOGIN_STRING raw 0x30 0xce 0x00 0x16 0x05 0x00 0x00 0x00 0x05 0x00 0x01 0x00 0x00 > /dev/null
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}
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# Returns :
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# - 0 if third-party PCIe card Dell default cooling response is currently DISABLED
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# - 1 if third-party PCIe card Dell default cooling response is currently ENABLED
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# - 2 if the current status returned by ipmitool command output is unexpected
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# function is_third_party_PCIe_card_Dell_default_cooling_response_disabled() {
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# THIRD_PARTY_PCIE_CARD_COOLING_RESPONSE=$(ipmitool -I $IDRAC_LOGIN_STRING raw 0x30 0xce 0x01 0x16 0x05 0x00 0x00 0x00)
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# if [ "$THIRD_PARTY_PCIE_CARD_COOLING_RESPONSE" == "16 05 00 00 00 05 00 01 00 00" ]; then
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# return 0
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# elif [ "$THIRD_PARTY_PCIE_CARD_COOLING_RESPONSE" == "16 05 00 00 00 05 00 00 00 00" ]; then
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# return 1
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# else
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# echo "Unexpected output: $THIRD_PARTY_PCIE_CARD_COOLING_RESPONSE" >&2
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# return 2
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# fi
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# }
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# Prepare traps in case of container exit
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function gracefull_exit () {
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apply_Dell_fan_control_profile
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enable_third_party_PCIe_card_Dell_default_cooling_response
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echo "/!\ WARNING /!\ Container stopped, Dell default dynamic fan control profile applied for safety."
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exit 0
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}
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# Trap the signals for container exit and run gracefull_exit function
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trap 'gracefull_exit' SIGQUIT SIGKILL SIGTERM
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# Prepare, format and define initial variables
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# readonly DELL_FRESH_AIR_COMPLIANCE=45
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# Check if FAN_SPEED variable is in hexadecimal format. If not, convert it to hexadecimal
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if [[ $FAN_SPEED == 0x* ]]
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then
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DECIMAL_FAN_SPEED=$(printf '%d' $FAN_SPEED)
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HEXADECIMAL_FAN_SPEED=$FAN_SPEED
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else
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DECIMAL_FAN_SPEED=$FAN_SPEED
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HEXADECIMAL_FAN_SPEED=$(printf '0x%02x' $FAN_SPEED)
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fi
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# Log main informations given to the container
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echo "iDRAC/IPMI host: $IDRAC_HOST"
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# Check if the iDRAC host is set to 'local' or not then set the IDRAC_LOGIN_STRING accordingly
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if [[ $IDRAC_HOST == "local" ]]
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then
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IDRAC_LOGIN_STRING='open'
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else
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echo "iDRAC/IPMI username: $IDRAC_USERNAME"
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echo "iDRAC/IPMI password: $IDRAC_PASSWORD"
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IDRAC_LOGIN_STRING="lanplus -H $IDRAC_HOST -U $IDRAC_USERNAME -P $IDRAC_PASSWORD"
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fi
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# Log the fan speed objective, CPU temperature threshold and check interval
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echo "Fan speed objective: $DECIMAL_FAN_SPEED%"
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echo "CPU temperature treshold: $CPU_TEMPERATURE_TRESHOLD°C"
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echo "Check interval: ${CHECK_INTERVAL}s"
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echo ""
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# Define the interval for printing
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readonly TABLE_HEADER_PRINT_INTERVAL=10
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i=$TABLE_HEADER_PRINT_INTERVAL
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# Set the flag used to check if the active fan control profile has changed
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IS_DELL_FAN_CONTROL_PROFILE_APPLIED=true
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# Start monitoring
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while true; do
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# Sleep for the specified interval before taking another reading
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sleep $CHECK_INTERVAL &
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SLEEP_PROCESS_PID=$!
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# Retrieve sensor data using ipmitool
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DATA=$(ipmitool -I $IDRAC_LOGIN_STRING sdr type temperature | grep degrees)
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INLET_TEMPERATURE=$(echo "$DATA" | grep Inlet | grep -Po '\d{2}' | tail -1)
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EXHAUST_TEMPERATURE=$(echo "$DATA" | grep Exhaust | grep -Po '\d{2}' | tail -1)
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CPU_DATA=$(echo "$DATA" | grep "3\." | grep -Po '\d{2}')
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CPU1_TEMPERATURE=$(echo $CPU_DATA | awk '{print $1;}')
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CPU2_TEMPERATURE=$(echo $CPU_DATA | awk '{print $2;}')
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# Define functions to check if CPU 1 and CPU 2 temperatures are above the threshold
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function CPU1_OVERHEAT () { [ $CPU1_TEMPERATURE -gt $CPU_TEMPERATURE_TRESHOLD ]; }
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function CPU2_OVERHEAT () { [ $CPU2_TEMPERATURE -gt $CPU_TEMPERATURE_TRESHOLD ]; }
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# Initialize a variable to store the comments displayed when the fan control profile changed
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COMMENT=" -"
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# Check if CPU 1 is overheating then apply Dell default dynamic fan control profile if true
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if CPU1_OVERHEAT
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then
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apply_Dell_fan_control_profile
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if ! $IS_DELL_FAN_CONTROL_PROFILE_APPLIED
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then
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IS_DELL_FAN_CONTROL_PROFILE_APPLIED=true
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# Check if CPU 2 is overheating too, Dell default dynamic fan control profile already applied before
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if CPU2_OVERHEAT
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then
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COMMENT="CPU 1 and CPU 2 temperatures are too high, Dell default dynamic fan control profile applied for safety"
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else
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COMMENT="CPU 1 temperature is too high, Dell default dynamic fan control profile applied for safety"
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fi
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fi
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# Check if CPU 2 is overheating then apply Dell default dynamic fan control profile if true
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elif CPU2_OVERHEAT
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then
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apply_Dell_fan_control_profile
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if ! $IS_DELL_FAN_CONTROL_PROFILE_APPLIED
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then
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IS_DELL_FAN_CONTROL_PROFILE_APPLIED=true
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COMMENT="CPU 2 temperature is too high, Dell default dynamic fan control profile applied for safety"
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fi
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else
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apply_user_fan_control_profile
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# Check if user fan control profile is applied then apply it if not
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if $IS_DELL_FAN_CONTROL_PROFILE_APPLIED
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then
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IS_DELL_FAN_CONTROL_PROFILE_APPLIED=false
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COMMENT="CPU temperature decreased and is now OK (<= $CPU_TEMPERATURE_TRESHOLD°C), user's fan control profile applied."
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fi
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fi
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# Enable or disable, depending on the user's choice, third-party PCIe card Dell default cooling response
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# No comment will be displayed on the change of this parameter since it is not related to the temperature of any device (CPU, GPU, etc...) but only to the settings made by the user when launching this Docker container
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if $DISABLE_THIRD_PARTY_PCIE_CARD_DELL_DEFAULT_COOLING_RESPONSE
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then
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disable_third_party_PCIe_card_Dell_default_cooling_response
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THIRD_PARTY_PCIE_CARD_DELL_DEFAULT_COOLING_RESPONSE_STATUS="Disabled"
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else
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enable_third_party_PCIe_card_Dell_default_cooling_response
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THIRD_PARTY_PCIE_CARD_DELL_DEFAULT_COOLING_RESPONSE_STATUS="Enabled"
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fi
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# Print temperatures, active fan control profile and comment if any change happened during last time interval
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if [ $i -eq $TABLE_HEADER_PRINT_INTERVAL ]
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then
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echo " ------- Temperatures -------"
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echo " Date & time Inlet CPU 1 CPU 2 Exhaust Active fan speed profile Third-party PCIe card Dell default cooling response Comment"
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i=0
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fi
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printf "%19s %3d°C %3d°C %3d°C %5d°C %40s %51s %s\n" "$(date +"%d-%m-%Y %T")" $INLET_TEMPERATURE $CPU1_TEMPERATURE $CPU2_TEMPERATURE $EXHAUST_TEMPERATURE "$CURRENT_FAN_CONTROL_PROFILE" "$THIRD_PARTY_PCIE_CARD_DELL_DEFAULT_COOLING_RESPONSE_STATUS" "$COMMENT"
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((i++))
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wait $SLEEP_PROCESS_PID
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done
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