extended-resources-updater-cm.yaml

apiVersion: v1
data:
  script: |-
    #!/bin/sh
    patch_node() {
    curl -k --header "Authorization: Bearer $(cat /var/run/secrets/kubernetes.io/serviceaccount/token)" \
    --header "Content-Type: application/json-patch+json" \
    --request PATCH \
    --data '[{"op": "add", "path": "/status/capacity/'$1'~1'$2'", "value": "'$3'"}]' \
    https://kubernetes.default.svc.cluster.local/api/v1/nodes/${MY_NODE_NAME}/status
    }
    # Wait for the Kubernetes API to become available.
    until nslookup kubernetes.default >/dev/null 2>&1; do echo "Waiting for Kubernetes API"; sleep 2; done
    # Initialise by forcing an update of the state of each resource.
    zstick=0
    rfxtrx433=0
    [ -c /dev/ttyACM0 ] && zstick=1
    [ -c /dev/ttyUSB0 ] && rfxtrx433=1
    patch_node aeotec zstick $zstick
    patch_node rfxcom rfxtrx433 $rfxtrx433

    while [ 1 ]
    do
    zstick_prev=$zstick
    rfxtrx433_prev=$rfxtrx433
    zstick=0
    rfxtrx433=0
    [ -c /dev/ttyACM0 ] && zstick=1
    [ -c /dev/ttyUSB0 ] && rfxtrx433=1
    # Only only call kube-api if there is a change in value since last iteration.
    [ $zstick_prev -eq $zstick ] || patch_node aeotec zstick $zstick
    [ $rfxtrx433_prev -eq $rfxtrx433 ] || patch_node rfxcom rfxtrx433 $rfxtrx433
    sleep 10
    done

kind: ConfigMap
metadata:
  creationTimestamp: null
  name: extended-resources-updater
  namespace: kube-system