apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: {{ include "spiffe-csi-driver.fullname" . }}
  namespace: {{ include "spiffe-csi-driver.namespace" . }}
  labels:
    {{- include "spiffe-csi-driver.labels" . | nindent 4 }}
spec:
  selector:
    matchLabels:
      {{- include "spiffe-csi-driver.selectorLabels" . | nindent 6 }}
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      {{- with .Values.podAnnotations }}
      annotations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      labels:
        {{- include "spiffe-csi-driver.selectorLabels" . | nindent 8 }}
    spec:
      {{- with .Values.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      serviceAccountName: {{ include "spiffe-csi-driver.serviceAccountName" . }}
      {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- if .Values.priorityClassName }}
      priorityClassName: {{ .Values.priorityClassName }}
      {{- end }}
      {{- with .Values.initContainers }}
      initContainers:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      containers:
        # This is the container which runs the SPIFFE CSI driver.
        - name: {{ .Chart.Name }}
          image: {{ template "spire-lib.image" (dict "appVersion" $.Chart.AppVersion "image" .Values.image "global" .Values.global) }}
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          args: [
            "-workload-api-socket-dir", "/spire-agent-socket",
            "-plugin-name", "{{ .Values.pluginName }}",
            "-csi-socket-path", "/spiffe-csi/csi.sock",
          ]
          env:
            # The CSI driver needs a unique node ID. The node name can be
            # used for this purpose.
            - name: MY_NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
          volumeMounts:
            # The volume containing the SPIRE agent socket. The SPIFFE CSI
            # driver will mount this directory into containers.
            - mountPath: /spire-agent-socket
              name: spire-agent-socket-dir
              readOnly: true
            # The volume that will contain the CSI driver socket shared
            # with the kubelet and the driver registrar.
            - mountPath: /spiffe-csi
              name: spiffe-csi-socket-dir
            # The volume containing mount points for containers.
            - mountPath: {{ .Values.kubeletPath }}/pods
              mountPropagation: Bidirectional
              name: mountpoint-dir
          securityContext:
            readOnlyRootFilesystem: true
            capabilities:
              drop:
                - all
            privileged: true
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
        # This container runs the CSI Node Driver Registrar which takes care
        # of all the little details required to register a CSI driver with
        # the kubelet.
        - name: node-driver-registrar
          image: {{ template "spire-lib.image" (dict "image" .Values.nodeDriverRegistrar.image "global" .Values.global) }}
          imagePullPolicy: {{ .Values.nodeDriverRegistrar.image.pullPolicy }}
          args: [
            "-csi-address", "/spiffe-csi/csi.sock",
            "-kubelet-registration-path", "{{ .Values.kubeletPath }}/plugins/{{ .Values.pluginName }}/csi.sock",
            "-health-port", "{{ .Values.healthChecks.port }}"
          ]
          volumeMounts:
            # The registrar needs access to the SPIFFE CSI driver socket
            - mountPath: /spiffe-csi
              name: spiffe-csi-socket-dir
            # The registrar needs access to the Kubelet plugin registration
            # directory
            - name: kubelet-plugin-registration-dir
              mountPath: /registration
          ports:
            - containerPort: {{ .Values.healthChecks.port }}
              name: healthz
          livenessProbe:
            httpGet:
              path: /healthz
              port: healthz
            {{- toYaml .Values.livenessProbe | nindent 12 }}
          resources:
            {{- toYaml .Values.nodeDriverRegistrar.resources | nindent 12 }}
      volumes:
        - name: spire-agent-socket-dir
          hostPath:
            path: {{ include "spiffe-csi-driver.agent-socket-path" . | dir }}
            type: DirectoryOrCreate
        # This volume is where the socket for kubelet->driver communication lives
        - name: spiffe-csi-socket-dir
          hostPath:
            path: {{ .Values.kubeletPath }}/plugins/{{ .Values.pluginName }}
            type: DirectoryOrCreate
        # This volume is where the SPIFFE CSI driver mounts volumes
        - name: mountpoint-dir
          hostPath:
            path: {{ .Values.kubeletPath }}/pods
            type: Directory
        # This volume is where the node-driver-registrar registers the plugin
        # with kubelet
        - name: kubelet-plugin-registration-dir
          hostPath:
            path: {{ .Values.kubeletPath }}/plugins_registry
            type: Directory