apiVersion: v1
kind: ServiceAccount
metadata:
  name: csi-ffs-controller-sa
  namespace: kube-system
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: ffs-external-provisioner-role
rules:
  - apiGroups: [""]
    resources: ["persistentvolumes"]
    verbs: ["get", "list", "watch", "create", "delete"]
  - apiGroups: [""]
    resources: ["persistentvolumeclaims"]
    verbs: ["get", "list", "watch", "update"]
  - apiGroups: ["storage.k8s.io"]
    resources: ["storageclasses", "volumeattachments"]
    verbs: ["get", "list", "watch"]
  - apiGroups: [""]
    resources: ["events"]
    verbs: ["get", "list", "watch", "create", "update", "patch"]
  - apiGroups: ["storage.k8s.io"]
    resources: ["csinodes"]
    verbs: ["get", "list", "watch"]
  - apiGroups: [""]
    resources: ["nodes"]
    verbs: ["get", "list", "watch"]
  - apiGroups: ["coordination.k8s.io"]
    resources: ["leases"]
    verbs: ["get", "list", "watch", "create", "update", "patch"]
  - apiGroups: [""]
    resources: ["secrets"]
    verbs: ["get"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: ffs-csi-provisioner-binding
subjects:
  - kind: ServiceAccount
    name: csi-ffs-controller-sa
    namespace: kube-system
roleRef:
  kind: ClusterRole
  name: ffs-external-provisioner-role
  apiGroup: rbac.authorization.k8s.io
---
apiVersion: storage.k8s.io/v1
kind: CSIDriver
metadata:
  name: ffs.csi.k8s.io
spec:
  attachRequired: false
  volumeLifecycleModes:
    - Persistent
    - Ephemeral
  fsGroupPolicy: File
---
kind: Deployment
apiVersion: apps/v1
metadata:
  name: csi-ffs-controller
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      app: csi-ffs-controller
  template:
    metadata:
      labels:
        app: csi-ffs-controller
    spec:
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      serviceAccountName: csi-ffs-controller-sa
      nodeSelector:
        kubernetes.io/os: linux
      priorityClassName: system-cluster-critical
      containers:
        - name: csi-provisioner
          image: k8s.gcr.io/sig-storage/csi-provisioner:v3.1.0
          args:
            - "-v=2"
            - "--csi-address=$(ADDRESS)"
            - "--leader-election"
            - "--leader-election-namespace=kube-system"
          env:
            - name: ADDRESS
              value: /csi/csi.sock
          volumeMounts:
            - mountPath: /csi
              name: socket-dir
          resources:
            limits:
              memory: 400Mi
            requests:
              cpu: 10m
              memory: 20Mi
        - name: liveness-probe
          image: k8s.gcr.io/sig-storage/livenessprobe:v2.6.0
          args:
            - --csi-address=/csi/csi.sock
            - --probe-timeout=3s
            - --health-port=29852
            - --v=2
          volumeMounts:
            - name: socket-dir
              mountPath: /csi
          resources:
            limits:
              memory: 100Mi
            requests:
              cpu: 10m
              memory: 20Mi
        - name: ffs
          image: ffsplugin
          securityContext:
            privileged: true
          imagePullPolicy: IfNotPresent
          args:
            - "-v=5"
            - "--nodeid=$(NODE_ID)"
            - "--endpoint=$(CSI_ENDPOINT)"
          env:
            - name: NODE_ID
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: CSI_ENDPOINT
              value: unix:///csi/csi.sock
          ports:
            - containerPort: 29852
              name: healthz
              protocol: TCP
          livenessProbe:
            failureThreshold: 5
            httpGet:
              path: /healthz
              port: healthz
            initialDelaySeconds: 5
            timeoutSeconds: 10
            periodSeconds: 30
          volumeMounts:
            - name: pods-mount-dir
              mountPath: /var/lib/kubelet/pods
              mountPropagation: "Bidirectional"
            - mountPath: /csi
              name: socket-dir
          resources:
            limits:
              memory: 200Mi
            requests:
              cpu: 10m
              memory: 20Mi
      volumes:
        - name: pods-mount-dir
          hostPath:
            path: /var/lib/kubelet/pods
            type: Directory
        - name: socket-dir
          emptyDir: {}
---
kind: DaemonSet
apiVersion: apps/v1
metadata:
  name: csi-ffs-node
  namespace: kube-system
spec:
  updateStrategy:
    rollingUpdate:
      maxUnavailable: 1
    type: RollingUpdate
  selector:
    matchLabels:
      app: csi-ffs-node
  template:
    metadata:
      labels:
        app: csi-ffs-node
    spec:
      hostNetwork: true  # original ffs connection would be broken without hostNetwork setting
      dnsPolicy: ClusterFirstWithHostNet  # available values: Default, ClusterFirstWithHostNet, ClusterFirst
      tolerations:
        - effect: NoSchedule
          key: tiflash.tidbcloud.com/node
          operator: Equal
          value: "true"
      nodeSelector:
        kubernetes.io/os: linux
      priorityClassName: system-node-critical
      containers:
        - name: liveness-probe
          image: k8s.gcr.io/sig-storage/livenessprobe:v2.6.0
          args:
            - --csi-address=/csi/csi.sock
            - --probe-timeout=3s
            - --health-port=29853
            - --v=2
          volumeMounts:
            - name: socket-dir
              mountPath: /csi
          resources:
            limits:
              memory: 100Mi
            requests:
              cpu: 10m
              memory: 20Mi
        - name: node-driver-registrar
          image: k8s.gcr.io/sig-storage/csi-node-driver-registrar:v2.5.0
          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=$(DRIVER_REG_SOCK_PATH)
                - --mode=kubelet-registration-probe
            initialDelaySeconds: 5
            timeoutSeconds: 10
          env:
            - name: DRIVER_REG_SOCK_PATH
              value: /var/lib/kubelet/plugins/csi-ffsplugin/csi.sock
            - name: KUBE_NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
          volumeMounts:
            - name: socket-dir
              mountPath: /csi
            - name: registration-dir
              mountPath: /registration
          resources:
            limits:
              memory: 100Mi
            requests:
              cpu: 10m
              memory: 20Mi
        - name: ffs
          securityContext:
            privileged: true
          image: ffsplugin
          args:
            - "-v=5"
            - "--nodeid=$(NODE_ID)"
            - "--endpoint=$(CSI_ENDPOINT)"
            - "--statedir=$(CSI_DATA_DIR)"
          env:
            - name: NODE_ID
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: CSI_ENDPOINT
              value: unix:///csi/csi.sock
            - name: CSI_DATA_DIR
              value: /var/lib/csi-ffs-data
          ports:
            - containerPort: 29853
              name: healthz
              protocol: TCP
          livenessProbe:
            failureThreshold: 5
            httpGet:
              path: /healthz
              port: healthz
            initialDelaySeconds: 5
            timeoutSeconds: 10
            periodSeconds: 30
          imagePullPolicy: "IfNotPresent"
          volumeMounts:
            - name: socket-dir
              mountPath: /csi
            - name: pods-mount-dir
              mountPath: /var/lib/kubelet/pods
              mountPropagation: "Bidirectional"
            - name: csi-data-dir
              mountPath: /var/lib/csi-ffs-data
          resources:
            limits:
              cpu: 4000m
              memory: 4Gi
            requests:
              cpu: 100m
              memory: 50Mi
      volumes:
        - name: socket-dir
          hostPath:
            path: /var/lib/kubelet/plugins/csi-ffsplugin
            type: DirectoryOrCreate
        - name: pods-mount-dir
          hostPath:
            path: /var/lib/kubelet/pods
            type: Directory
        - name: registration-dir
          hostPath:
            path: /var/lib/kubelet/plugins_registry
            type: Directory
        - name: csi-data-dir
          hostPath:
            path: /var/lib/csi-ffs-data
            type: DirectoryOrCreate
