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Added Docker healthcheck to README.md #83

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Jan 31, 2024
Merged

Added Docker healthcheck to README.md #83

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5 changes: 4 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -7,12 +7,15 @@ RUN apt-get update
RUN apt-get install ipmitool -y

ADD functions.sh /app/functions.sh
ADD healthcheck.sh /app/healthcheck.sh
ADD Dell_iDRAC_fan_controller.sh /app/Dell_iDRAC_fan_controller.sh

RUN chmod 0777 /app/functions.sh /app/Dell_iDRAC_fan_controller.sh
RUN chmod 0777 /app/functions.sh /app/healthcheck.sh /app/Dell_iDRAC_fan_controller.sh

WORKDIR /app

HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD [ "/app/healthcheck.sh" ]

# you should override these default values when running. See README.md
#ENV IDRAC_HOST 192.168.1.100
ENV IDRAC_HOST local
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24 changes: 24 additions & 0 deletions healthcheck.sh
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@@ -0,0 +1,24 @@
#!/bin/bash

# Enable strict bash mode to stop the script if an uninitialized variable is used, if a command fails, or if a command with a pipe fails
# Not working in some setups : https://github.com/tigerblue77/Dell_iDRAC_fan_controller/issues/48
# set -euo pipefail

source functions.sh

# Check if the iDRAC host is set to 'local' or not then set the IDRAC_LOGIN_STRING accordingly
if [[ $IDRAC_HOST == "local" ]]
then
# Check that the Docker host IPMI device (the iDRAC) has been exposed to the Docker container
if [ ! -e "/dev/ipmi0" ] && [ ! -e "/dev/ipmi/0" ] && [ ! -e "/dev/ipmidev/0" ]; then
echo "/!\ Could not open device at /dev/ipmi0 or /dev/ipmi/0 or /dev/ipmidev/0, check that you added the device to your Docker container or stop using local mode. Exiting." >&2
exit 1
fi
IDRAC_LOGIN_STRING='open'
else
echo "iDRAC/IPMI username: $IDRAC_USERNAME"
echo "iDRAC/IPMI password: $IDRAC_PASSWORD"
IDRAC_LOGIN_STRING="lanplus -H $IDRAC_HOST -U $IDRAC_USERNAME -P $IDRAC_PASSWORD"
fi

ipmitool -I $IDRAC_LOGIN_STRING sdr type temperature