---
# This YAML file contains driver-registrar & csi driver nodeplugin API objects
# that are necessary to run CSI nodeplugin for nfs
kind: DaemonSet
apiVersion: apps/v1
metadata:
  name: csi-nfs-node
  namespace: kube-system
spec:
  updateStrategy:
    rollingUpdate:
      maxUnavailable: 1
    type: RollingUpdate
  selector:
    matchLabels:
      app: csi-nfs-node
  template:
    metadata:
      labels:
        app: csi-nfs-node
    spec:
      hostNetwork: true  # original nfs connection would be broken without hostNetwork setting
      dnsPolicy: ClusterFirstWithHostNet
      nodeSelector:
        kubernetes.io/os: linux
      tolerations:
        - operator: "Exists"
      containers:
        - name: liveness-probe
          image: k8s.gcr.io/sig-storage/livenessprobe:v2.5.0
          args:
            - --csi-address=/csi/csi.sock
            - --probe-timeout=3s
            - --health-port=29653
            - --v=2
          volumeMounts:
            - name: socket-dir
              mountPath: /csi
          resources:
            limits:
              cpu: 1
              memory: 100Mi
            requests:
              cpu: 10m
              memory: 20Mi
        - name: node-driver-registrar
          image: k8s.gcr.io/sig-storage/csi-node-driver-registrar:v2.4.0
          args:
            - --v=2
            - --csi-address=/csi/csi.sock
            - --kubelet-registration-path=$(DRIVER_REG_SOCK_PATH)
          livenessProbe:
            exec:
              command:
                - /csi-node-driver-registrar
                - --kubelet-registration-path=$(DRIVER_REG_SOCK_PATH)
                - --mode=kubelet-registration-probe
            initialDelaySeconds: 30
            timeoutSeconds: 15
          env:
            - name: DRIVER_REG_SOCK_PATH
              value: /var/lib/kubelet/plugins/csi-nfsplugin/csi.sock
            - name: KUBE_NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
          volumeMounts:
            - name: socket-dir
              mountPath: /csi
            - name: registration-dir
              mountPath: /registration
          resources:
            limits:
              cpu: 1
              memory: 100Mi
            requests:
              cpu: 10m
              memory: 20Mi
        - name: nfs
          securityContext:
            privileged: true
            capabilities:
              add: ["SYS_ADMIN"]
            allowPrivilegeEscalation: true
          image: mcr.microsoft.com/k8s/csi/nfs-csi:latest
          args:
            - "-v=5"
            - "--nodeid=$(NODE_ID)"
            - "--endpoint=$(CSI_ENDPOINT)"
          env:
            - name: NODE_ID
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: CSI_ENDPOINT
              value: unix:///csi/sofacsi.sock
          ports:
            - containerPort: 29655
              name: healthz
              protocol: TCP
          livenessProbe:
            failureThreshold: 5
            httpGet:
              path: /healthz
              port: healthz
            initialDelaySeconds: 30
            timeoutSeconds: 10
            periodSeconds: 30
          imagePullPolicy: "IfNotPresent"
          volumeMounts:
            - name: socket-dir
              mountPath: /csi
            - name: pods-mount-dir
              mountPath: /var/lib/kubelet/pods
              mountPropagation: "Bidirectional"
          resources:
            limits:
              cpu: 1
              memory: 300Mi
            requests:
              cpu: 10m
              memory: 20Mi

        - name: sofa
          image: sofa-csi:latest
          securityContext:
            privileged: true
            capabilities:
              add: ["SYS_ADMIN"]
            allowPrivilegeEscalation: true
          imagePullPolicy: Never
          args:
            - "-v=5"
            - "--nodeid=$(NODE_ID)"
            - "--endpoint=$(CSI_ENDPOINT)"
            - "--csitarget=$(CSI_TARGET_ENDPOINT)"
          env:
            - name: NODE_ID
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: CSI_ENDPOINT
              value: unix:///csi/csi.sock
            - name: CSI_TARGET_ENDPOINT
              value: unix:///csi/sofacsi.sock
          ports:
            - containerPort: 29653
              name: healthz
              protocol: TCP
          livenessProbe:
            failureThreshold: 5
            httpGet:
              path: /healthz
              port: healthz
            initialDelaySeconds: 30
            timeoutSeconds: 10
            periodSeconds: 30
          volumeMounts:
            - name: pods-mount-dir
              mountPath: /var/lib/kubelet/pods
              mountPropagation: "Bidirectional"
            - mountPath: /csi
              name: socket-dir
            - name: sofa-config-dir
              mountPath: /etc/sofa
            - name: dev-dir
              mountPath: /dev
          resources:
            limits:
              cpu: 1
              memory: 200Mi
            requests:
              cpu: 10m
              memory: 20Mi

      volumes:
        - name: socket-dir
          hostPath:
            path: /var/lib/kubelet/plugins/csi-nfsplugin
            type: DirectoryOrCreate
        - name: pods-mount-dir
          hostPath:
            path: /var/lib/kubelet/pods
            type: Directory
        - hostPath:
            path: /var/lib/kubelet/plugins_registry
            type: Directory
          name: registration-dir
        - name: sofa-config-dir
          hostPath:
            path: /etc/sofa
            type: Directory
        - name: dev-dir
          hostPath:
            path: /dev
            type: Directory
