nut-client

nut-client extension

Installation

See Installing Extensions.

Usage

Configure the extension via ExtensionServiceConfig document. You must replace upsmonHost and upsmonPasswd to match configuration on your nut server. See upsd.users man page for details.

On Talos SHUTDOWNCMD must be /sbin/poweroff

---
apiVersion: v1alpha1
kind: ExtensionServiceConfig
name: nut-client
configFiles:
  - content: |-
        MONITOR ${upsmonHost} 1 remote ${upsmonPasswd} slave
        SHUTDOWNCMD "/sbin/poweroff"
    mountPath: /usr/local/etc/nut/upsmon.conf

Testing

Confirm extension service is running

$ talosctl service ext-nut-client
NODE     192.168.1.1
ID       ext-nut-client
STATE    Running
HEALTH   ?
EVENTS   [Running]: Started task ext-nut-client (PID 2263) for container ext-nut-client (59m59s ago)
         [Preparing]: Creating service runner (59m59s ago)
         [Preparing]: Running pre state (59m59s ago)
         [Waiting]: Waiting for service "cri" to be "up" (59m59s ago)
         [Waiting]: Waiting for service "cri" to be "up", network (1h0m0s ago)
         [Waiting]: Waiting for service "cri" to be registered, network (1h0m1s ago)
         [Waiting]: Waiting for service "containerd" to be "up", service "cri" to be registered, network (1h0m2s ago)
         [Waiting]: Waiting for service "containerd" to be "up", service "cri" to be "up", network (1h0m3s ago)

CAUTION this will power off all connected systems.

Trigger a 'Full System Shutdown' on the nut-server

# upsmon -c fsd

all connected upsmon clients should perform a full shutdown and power off.