---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: vault
  namespace: vault
  labels:
    app.kubernetes.io/name: vault
    app.kubernetes.io/instance: vault
    app.kubernetes.io/version: 2.0.1
spec:
  serviceName: vault-internal
  replicas: 5
  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
        app.kubernetes.io/version: 2.0.1
    spec:
      serviceAccountName: vault
      terminationGracePeriodSeconds: 10
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                topologyKey: kubernetes.io/hostname
                labelSelector:
                  matchLabels:
                    app.kubernetes.io/name: vault
      containers:
        - name: vault
          image: hashicorp/vault:2.0.1
          command:
            - vault
            - server
            - -config=/vault/config
          ports:
            - name: api
              containerPort: 8200
              protocol: TCP
            - name: cluster
              containerPort: 8201
              protocol: TCP
          env:
            - name: POD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
            - name: VAULT_ADDR
              value: "http://127.0.0.1:8200"
            - name: VAULT_API_ADDR
              value: "http://$(POD_IP):8200"
            - name: VAULT_CLUSTER_ADDR
              value: "http://$(POD_IP):8201"
            - name: VAULT_RAFT_NODE_ID
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: SKIP_SETCAP
              value: "true"
          readinessProbe:
            httpGet:
              path: /v1/sys/health?standbyok=true&sealedok=true&uninitok=true
              port: 8200
              scheme: HTTP
            initialDelaySeconds: 5
            periodSeconds: 10
            failureThreshold: 3
          livenessProbe:
            httpGet:
              path: /v1/sys/health?standbyok=true&sealedok=true&uninitok=true
              port: 8200
              scheme: HTTP
            initialDelaySeconds: 60
            periodSeconds: 30
            failureThreshold: 3
          resources:
            requests:
              cpu: 100m
              memory: 256Mi
            limits:
              cpu: 1000m
              memory: 2Gi
          volumeMounts:
            - name: data
              mountPath: /vault/data
            - name: config
              mountPath: /vault/config
      volumes:
        - name: config
          configMap:
            name: vault-config
  volumeClaimTemplates:
    - metadata:
        name: data
        labels:
          app.kubernetes.io/name: vault
          app.kubernetes.io/instance: vault
      spec:
        accessModes: ["ReadWriteOnce"]
        storageClassName: cephrbd-fast-delete
        resources:
          requests:
            storage: 10Gi