paulmataruso/Dell_iDRAC_fan_controller_Docker
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Allow manual override of maximum temperature variable via environment variable

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tigerblue77
2022-04-12 14:10:00 +02:00
parent 7698b2da8f
commit fae07584da
4 changed files with 11 additions and 4 deletions
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1
Dockerfile
View File

@@ -26,5 +26,6 @@ ENV IDRAC_HOST local
#ENV IDRAC_USER root
#ENV IDRAC_PASSWORD calvin
ENV FAN_SPEED 5
ENV MAXIMUM_TEMPERATURE 32
CMD /startup.sh && /opt/check_temp.sh && cron && tail -f /var/log/cron.log

7
README.md
View File

@@ -3,7 +3,8 @@
- `IDRAC_HOST` parameter can be set to "local" or to your distant iDRAC's IP address. Default value is "local".
- `IDRAC_USERNAME` parameter is only necessary if you're adressing a distant iDRAC. Default value is "root".
- `IDRAC_PASSWORD` parameter is only necessary if you're adressing a distant iDRAC. Default value is "calvin".
- `FAN_SPEED` parameter can be set as a decimal or hexadecimal value (0x00 to 0x64). Default value is 5 (%).
- `FAN_SPEED` parameter can be set as a decimal (from 0 to 100%) or hexadecimal value (from 0x00 to 0x64) you want to set the fans to. Default value is 5(%).
- `MAXIMUM_TEMPERATURE` parameter is the threshold beyond which the Dell fan mode defined in your BIOS will become active again (to protect the server hardware against overheat). Default value is 32(°C).
To use:
@@ -14,6 +15,7 @@ docker run -d \
--name Dell_iDRAC_fan_controller \
--restart unless-stopped \
-e FAN_SPEED=<dec or hex fan speed> \
-e MAXIMUM_TEMPERATURE=<dec temp treshold> \
alombardo4/idrac-fan-control:latest
```
@@ -27,6 +29,7 @@ docker run -d \
-e IDRAC_USERNAME=<iDRAC username> \
-e IDRAC_PASSWORD=<iDRAC password> \
-e FAN_SPEED=<dec or hex fan speed> \
-e MAXIMUM_TEMPERATURE=<dec temp treshold> \
alombardo4/idrac-fan-control:latest
```
@@ -45,6 +48,7 @@ services:
environment:
- IDRAC_HOST=local # can be omitted as it is the default value
- FAN_SPEED=0x05 # set to the decimal or hexadecimal value you want to set the fans to (from 0 to 100%)
- MAXIMUM_TEMPERATURE=<dec temp treshold>
devices:
- /dev/ipmi0:/dev/ipmi0
```
@@ -64,4 +68,5 @@ services:
- IDRAC_USERNAME=root # set to your IPMI username
- IDRAC_PASSWORD=calvin # set to your IPMI password
- FAN_SPEED=0x05 # set to the decimal or hexadecimal value you want to set the fans to (from 0 to 100%)
- MAXIMUM_TEMPERATURE=<dec temp treshold>
```

5
check_temp.sh
View File

@@ -5,8 +5,7 @@ IPMI_USERNAME=`cat /idrac_username.txt`
IPMI_PASSWORD=`cat /idrac_password.txt`
DECIMAL_FAN_SPEED=`cat /decimal_fan_speed.txt`
HEXADECIMAL_FAN_SPEED=`cat /hexadecimal_fan_speed.txt`
MAX_INLET_TEMPERATURE=32
MAXIMUM_INLET_TEMPERATURE=`cat /maximum_inlet_temperature.txt`
if [[ $IPMI_HOST == "local" ]]
then
@@ -23,7 +22,7 @@ NC='\033[0m' # No Color
echo "------------------------------------"
echo "Current inlet temperature is $INLET_TEMPERATURE °C."
if [ $INLET_TEMPERATURE -gt $MAX_INLET_TEMPERATURE ]
if [ $INLET_TEMPERATURE -gt $MAXIMUM_INLET_TEMPERATURE ]
then
printf "Inlet temperature is ${RED}too high${NC}. Activating default dynamic fan control."
ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x01 0x01

2
startup.sh
View File

@@ -15,6 +15,7 @@ fi
echo $DECIMAL_FAN_SPEED >> /decimal_fan_speed.txt
echo $HEXADECIMAL_FAN_SPEED >> /hexadecimal_fan_speed.txt
echo $MAXIMUM_TEMPERATURE >> /maximum_inlet_temperature.txt
echo "Idrac/IPMI host: `cat /idrac_host.txt`"
if [[ $IDRAC_HOST != "local" ]]
@@ -23,3 +24,4 @@ then
echo "Idrac/IPMI password: `cat /idrac_password.txt`"
fi
echo "Fan speed objective: `cat /decimal_fan_speed.txt`%"
echo "Maximum inlet temperature: `cat /maximum_inlet_temperature.txt`°C"