apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: vault
spec:
  replicas: 1
  serviceName: vault
  podManagementPolicy: OrderedReady
  updateStrategy:
    type: RollingUpdate
  persistentVolumeClaimRetentionPolicy:
    whenDeleted: Retain
    whenScaled: Retain
  selector:
    matchLabels:
      app.kubernetes.io/name: vault
      app.kubernetes.io/instance: vault
  template:
    metadata:
      labels:
        app.kubernetes.io/name: vault
        app.kubernetes.io/instance: vault
    spec:
      serviceAccountName: vault
      automountServiceAccountToken: true
      terminationGracePeriodSeconds: 60
      securityContext:
        runAsNonRoot: true
        runAsUser: 100
        runAsGroup: 1000
        fsGroup: 1000
        fsGroupChangePolicy: OnRootMismatch
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: vault
          image: hashicorp/vault:1.17.2
          imagePullPolicy: IfNotPresent
          command:
            - vault
            - server
            - -config=/vault/config/vault.hcl
          ports:
            - name: http
              containerPort: 8200
              protocol: TCP
            - name: cluster
              containerPort: 8201
              protocol: TCP
          env:
            - name: VAULT_ADDR
              value: "http://127.0.0.1:8200"
            - name: VAULT_API_ADDR
              value: "http://vault:8200"
            - name: SKIP_SETCAP
              value: "true"
          resources:
            requests:
              cpu: 250m
              memory: 256Mi
            limits:
              memory: 512Mi
          startupProbe:
            httpGet:
              path: /v1/sys/health?standbyok=true&sealedcode=200&uninitcode=200
              port: http
            periodSeconds: 5
            failureThreshold: 30
            timeoutSeconds: 3
          readinessProbe:
            httpGet:
              path: /v1/sys/health?standbyok=true&sealedcode=503&uninitcode=503
              port: http
            periodSeconds: 10
            failureThreshold: 3
            timeoutSeconds: 3
          livenessProbe:
            httpGet:
              path: /v1/sys/health?standbyok=true&sealedcode=200&uninitcode=200
              port: http
            periodSeconds: 30
            failureThreshold: 3
            timeoutSeconds: 3
          securityContext:
            runAsNonRoot: true
            runAsUser: 100
            runAsGroup: 1000
            allowPrivilegeEscalation: false
            privileged: false
            readOnlyRootFilesystem: true
            capabilities:
              drop:
                - ALL
            seccompProfile:
              type: RuntimeDefault
          volumeMounts:
            - name: data
              mountPath: /vault/data
            - name: config
              mountPath: /vault/config
              readOnly: true
            - name: tmp
              mountPath: /tmp
            - name: home
              mountPath: /home/vault
      volumes:
        - name: config
          configMap:
            name: vault-config
        - name: tmp
          emptyDir:
            medium: Memory
            sizeLimit: 64Mi
        - name: home
          emptyDir:
            medium: Memory
            sizeLimit: 64Mi
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes:
          - ReadWriteOnce
        storageClassName: replace-in-overlay
        volumeMode: Filesystem
        resources:
          requests:
            storage: 5Gi