node-disk-manager.yaml

# Create NDM daemonset
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: node-disk-manager
  namespace: openebs
spec:
  updateStrategy:
    type: RollingUpdate
  selector:
    matchLabels:
      name: node-disk-manager
  template:
    metadata:
      labels:
        name: node-disk-manager
    spec:
      # By default the node-disk-manager will be run on all kubernetes nodes
      # If you would like to limit this to only some nodes, say the nodes
      # that have storage attached, you could label those node and use nodeSelector.
      # Example: Label the storage nodes with - "openebs.io/nodegroup"="storage-node"
      # kubectl label node <node-name> "openebs.io/nodegroup"="storage-node"
      # nodeSelector:
      #   "openebs.io/nodegroup": "storage-node"
      # Use host network as container network to monitor udev source using netlink
      # to detect disk attach and detach events using fd.
      hostNetwork: true
      hostPID: true
      serviceAccountName: openebs-maya-operator
      containers:
      - name: node-disk-manager
        image: openebs/node-disk-manager:ci
        args:
        - -v=4
        - --feature-gates="GPTBasedUUID"
        # Use partition table UUID instead of create single partition to get
        # partition UUID. Require `GPTBasedUUID` to be enabled with.
        # - --feature-gates="PartitionTableUUID"
        - --feature-gates="APIService"
        # Detect changes to device size, filesystem and mount-points without restart.
        #- --feature-gates="ChangeDetection"
        # Default address is 0.0.0.0:9115, do not use quotes around the address
        # - --api-service-address=0.0.0.0:9115
        - --feature-gates="UseOSDisk"
        imagePullPolicy: IfNotPresent
        securityContext:
          privileged: true
        volumeMounts:
        - name: config
          mountPath: /host/node-disk-manager.config
          subPath: node-disk-manager.config
          readOnly: true
          # make udev database available inside container
        - name: udev
          mountPath: /run/udev
        - name: procmount
          mountPath: /host/proc
          readOnly: true
        - name: devmount
          mountPath: /dev
        - name: basepath
          mountPath: /var/openebs/ndm
        - name: sparsepath
          mountPath: /var/openebs/sparse
        env:
        # namespace in which NDM is installed will be passed to NDM Daemonset
        # as environment variable
        - name: NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        # pass hostname as env variable using downward API to the NDM container
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: spec.nodeName
        # specify the directory where the sparse files need to be created.
        # if not specified, then sparse files will not be created.
        - name: SPARSE_FILE_DIR
          value: "/var/openebs/sparse"
        # Size of the sparse file to be created.
        - name: SPARSE_FILE_SIZE
          value: "1073741824"
        # Specify the number of sparse files to be created
        - name: SPARSE_FILE_COUNT
          value: "0"
        # Set the core dump env to enable core dump for NDM daemon
        #- name: ENABLE_COREDUMP
        #  value: "1"
      volumes:
      - name: config
        configMap:
          name: node-disk-manager-config
      - name: udev
        hostPath:
          path: /run/udev
          type: Directory
      - name: procmount
        # mount /proc/1/mounts (mount file of process 1 of host) inside container
        # to read which partition is mounted on / path
        hostPath:
          path: /proc
          type: Directory
      - name: devmount
        # the /dev directory is mounted so that we have access to the devices that
        # are connected at runtime of the pod.
        hostPath:
          path: /dev
          type: Directory
      - name: basepath
        hostPath:
          path: /var/openebs/ndm
          type: DirectoryOrCreate
      - name: sparsepath
        hostPath:
          path: /var/openebs/sparse
---