Merge pull request #4 from tigerblue77/1-enable-local-idrac-management

Enable local iDRAC management

Dockerfile

@@ -21,8 +21,9 @@ RUN chmod 0777 /startup.sh
 RUN /usr/bin/crontab /etc/cron.d/fan-control
 
 # you should override these when running. See README.md
-ENV IDRAC_HOST 192.168.1.100
-ENV IDRAC_USER root
-ENV IDRAC_PW calvin
+#ENV IDRAC_HOST 192.168.1.100
+ENV IDRAC_HOST local
+#ENV IDRAC_USER root
+#ENV IDRAC_PW calvin
 ENV FANSPEED 0x05
 CMD /startup.sh && cron && tail -f /var/log/cron.log

README.md

@@ -6,17 +6,36 @@ To use,
 
 `FANSPEED` should be set as a hex value, e.g. `0x05`
 
-Example `docker-compose.yml`:
+`docker-compose.yml` examples:
+
+1. to use with local iDRAC:
 
 ```yml
 version: '3'
 
 services:
-  fan-controller:
+  Dell_iDRAC_fan_controller:
     image: alombardo4/idrac-fan-control
+    restart: unless-stopped
+    environment:
+      - IDRAC_HOST=local # can be omitted as it is the default value
+      - FANSPEED=0x05 # set to the hex value you want to set the fans to (from 0 to 100%)
+    devices:
+      - /dev/ipmi0:/dev/ipmi0
+```
+
+2. to use with LAN iDRAC:
+
+```yml
+version: '3'
+
+services:
+  Dell_iDRAC_fan_controller:
+    image: alombardo4/idrac-fan-control
+    restart: unless-stopped
     environment:
       - IDRAC_HOST=192.168.1.100 # override to the IP of your IDRAC
       - IDRAC_USER=root # set to your IPMI username
       - IDRAC_PW=calvin # set to your IPMI password
-      - FANSPEED=0x05 # set to the hex value you want to set the fans to (from 0 to 100)
+      - FANSPEED=0x05 # set to the hex value you want to set the fans to (from 0 to 100%)
 ```

check-temp.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 IPMIHOST=`cat /host.txt`
 IPMIUSER=`cat /user.txt`
 IPMIPW=`cat /pw.txt`
@@ -5,15 +7,22 @@ FANSPEED=`cat /fanspeed.txt`
 
 MAXTEMP=32
 
-TEMP=$(ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW sdr type temperature |grep Inlet |grep degrees |grep -Po '\d{2}' | tail -1)
+if [[ $IPMIHOST == "local" ]]
+then
+  LOGIN_STRING='open'
+else
+  LOGIN_STRING="lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW"
+fi
+
+TEMP=$(ipmitool -I $LOGIN_STRING sdr type temperature |grep Inlet |grep degrees |grep -Po '\d{2}' | tail -1)
 
 echo "Current Temp is $TEMP C"
 if [ $TEMP -gt $MAXTEMP ];
 then
   echo "Temp is too high. Activating dynamic fan control"
-  ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW raw 0x30 0x30 0x01 0x01
+  ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x01 0x01
 else
   echo "Temp is OK. Using manual fan control"
-  ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW raw 0x30 0x30 0x01 0x00
-  ipmitool -I lanplus -H $IPMIHOST -U $IPMIUSER -P $IPMIPW raw 0x30 0x30 0x02 0xff $FANSPEED
+  ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x01 0x00
+  ipmitool -I $LOGIN_STRING raw 0x30 0x30 0x02 0xff $FANSPEED
 fi

startup.sh

@@ -1,9 +1,14 @@
+#!/bin/bash
+
 echo $IDRAC_HOST >> /host.txt
 echo $IDRAC_USER >> /user.txt
 echo $IDRAC_PW >> /pw.txt
 echo $FANSPEED >> /fanspeed.txt
 
 echo "Host: `cat /host.txt`"
+if [[ $IDRAC_HOST != "local" ]]
+then
   echo "User: `cat /user.txt`"
   echo "PW: `cat /pw.txt`"
+fi
 echo "Fan speed `cat /fanspeed.txt`"