botsudo/nut-upsd repository overview

⁠Network UPS Tools server

Docker image for Network UPS Tools server published on Docker Hub⁠, source on GitHub⁠.

⁠Usage

This image provides a complete UPS monitoring service (USB driver only).

Start the container:

docker run \
    --name nut-upsd \
    --detach \
    --publish 3493:3493 \
    --device /dev/bus/usb/xxx/yyy \
    --env SHUTDOWN_CMD="my-shutdown-command-from-container" \
    botsudo/nut-upsd

⁠Auto configuration via environment variables

This image supports customization via environment variables.

⁠UPS_NAME

Default value: ups

The name of the UPS.

⁠UPS_DESC

Default value: Eaton 5SC

This allows you to set a brief description that upsd will provide to clients that ask for a list of connected equipment.

⁠UPS_DRIVER

Default value: usbhid-ups

This specifies which program will be monitoring this UPS.

⁠UPS_PORT

Default value: auto

This is the serial port where the UPS is connected.

⁠API_PORT

Default value: 3493

This is the port used by upsd.

⁠API_ADDRESS

Default value: 0.0.0.0

This is the address used by upsd.

⁠API_USER

Default value: upsmon

This is the username used for communication between upsmon and upsd processes.

⁠API_PASSWORD

Default value: secret

This is the password for the upsmon user.

⁠SHUTDOWN_CMD

Default value: echo 'System shutdown is not configured!'

This is the command upsmon will run when the system needs to be brought down. The command will be run from inside the container.