disk-id-ds.yaml

---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: disk-gatherer
  namespace: default
  labels:
    k8s-app: disk-gatherer
spec:
  selector:
    matchLabels:
      name: disk-gatherer
  template:
    metadata:
      labels:
        name: disk-gatherer
    spec:
      nodeSelector:
        cluster.ocs.openshift.io/openshift-storage: ''
      containers:
      - name: collector
        image: alpine:latest
        imagePullPolicy: IfNotPresent
        command: [ "sh", "-c"]
        args:
        - cd /sys/block/;
          echo "# NODE:${MY_NODE_NAME}";
          for disk in nvm*; do
            if [[ -f ${disk}/wwid ]]; then
              echo "# $disk";
              echo "- /dev/disk/by-id/nvme-$(cat ${disk}/wwid)";
            fi;
          done;
          for disk in $(find /sys/devices -name wwid | xargs -n1 dirname); do
            if [[ -d ${disk}/block ]]; then
              echo "# $(ls -1 ${disk}/block)";
              echo "- /dev/disk/by-id/wwn-0x$(cat ${disk}/wwid | cut -c5-)";
            fi;
          done;
          sleep '3600';
        env:
        - name: MY_NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName