apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: {{ include "spire.fullname" . }}-agent
  namespace: {{ .Release.Namespace }}
  labels:
    {{- include "spire.agent.labels" . | nindent 4 }}
spec:
  selector:
    matchLabels:
      {{- include "spire.agent.selectorLabels" . | nindent 6 }}
  updateStrategy:
    type: RollingUpdate
  template:
    metadata:
      {{- with .Values.agent.service.annotations }}
      annotations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      labels:
        {{- include "spire.agent.selectorLabels" . | nindent 8 }}
    spec:
      hostPID: true
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      serviceAccountName: {{ include "spire.serviceAccountName" . }}-agent
      initContainers:
        - name: init
          # This is a small image with wait-for-it, choose whatever image
          # you prefer that waits for a service to be up. This image is built
          # from https://github.com/vishnubob/wait-for-it
          image: {{ template "spire.image" .Values.waitForIt }}
          imagePullPolicy: {{ .Values.waitForIt.image.pullPolicy }}
          args: ["-t", "30", "-h", "{{ include "spire.fullname" . }}-server", "-p", "8081"]
          resources:
            {{- toYaml .Values.waitForIt.resources | nindent 12 }}
      {{- with .Values.agent.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      containers:
        - name: {{ .Chart.Name }}-agent
          image: {{ template "spire.image" (dict "appVersion" $.Chart.AppVersion "image" .Values.agent.image) }}
          imagePullPolicy: {{ .Values.agent.image.pullPolicy }}
          args: ["-config", "/run/spire/config/agent.conf"]
          volumeMounts:
            - name: spire-config
              mountPath: /run/spire/config
              readOnly: true
            - name: spire-bundle
              mountPath: /run/spire/bundle
              readOnly: true
            - name: spire-agent-socket-dir
              mountPath: {{ dir .Values.agent.config.socketPath }}
              readOnly: false
            - name: spire-token
              mountPath: /var/run/secrets/tokens
          livenessProbe:
            httpGet:
              path: /live
              port: 8080
            initialDelaySeconds: 15
            periodSeconds: 60
          readinessProbe:
            httpGet:
              path: /ready
              port: 8080
            initialDelaySeconds: 15
            periodSeconds: 60
          resources:
            {{- toYaml .Values.agent.resources | nindent 12 }}
      volumes:
        - name: spire-config
          configMap:
            name: {{ include "spire.fullname" . }}-agent
        - name: spire-bundle
          configMap:
            name: {{ include "spire.fullname" . }}-bundle
        - name: spire-agent-sockets
          hostPath:
            path: {{ dir .Values.agent.config.socketPath }}
            type: DirectoryOrCreate
        - name: spire-token
          projected:
            sources:
            - serviceAccountToken:
                path: spire-agent
                expirationSeconds: 7200
                audience: spire-server
        - name: spire-agent-socket-dir
          hostPath:
            path: {{ dir .Values.agent.config.socketPath }}
            type: DirectoryOrCreate