---
# Source: vault/charts/vault/templates/server-statefulset.yaml
# StatefulSet to run the actual vault server cluster.
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: vault
  namespace: vault
  labels:
    app.kubernetes.io/name: vault
    app.kubernetes.io/instance: vault
    app.kubernetes.io/managed-by: Helm
spec:
  serviceName: vault-internal
  podManagementPolicy: Parallel
  replicas: 3
  updateStrategy:
    type: RollingUpdate
  selector:
    matchLabels:
      app.kubernetes.io/name: vault
      app.kubernetes.io/instance: vault
      component: server
  template:
    metadata:
      labels:
        helm.sh/chart: vault-0.31.0
        app.kubernetes.io/name: vault
        app.kubernetes.io/instance: vault
        component: server
      annotations:
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchLabels:
                  app.kubernetes.io/name: vault
                  app.kubernetes.io/instance: "vault"
                  component: server
              topologyKey: kubernetes.io/hostname
      terminationGracePeriodSeconds: 10
      serviceAccountName: vault
      securityContext:
        runAsNonRoot: true
        runAsGroup: 1000
        runAsUser: 100
        fsGroup: 1000
      hostNetwork: false
      volumes:
        - name: config
          configMap:
            name: vault-config
        - name: vault-nfs-storage-backup
          persistentVolumeClaim:
            claimName: vault-nfs-storage-backup
        - name: home
          emptyDir: {}
      containers:
        - name: vault
          resources:
            requests:
              cpu: 50m
              memory: 512Mi
          image: hashicorp/vault:1.21.1
          imagePullPolicy: IfNotPresent
          command:
            - "/bin/sh"
            - "-ec"
          args:
            - "cp /vault/config/extraconfig-from-values.hcl /tmp/storageconfig.hcl;\n[ -n \"${HOST_IP}\" ] && sed -Ei \"s|HOST_IP|${HOST_IP?}|g\" /tmp/storageconfig.hcl;\n[ -n \"${POD_IP}\" ] && sed -Ei \"s|POD_IP|${POD_IP?}|g\" /tmp/storageconfig.hcl;\n[ -n \"${HOSTNAME}\" ] && sed -Ei \"s|HOSTNAME|${HOSTNAME?}|g\" /tmp/storageconfig.hcl;\n[ -n \"${API_ADDR}\" ] && sed -Ei \"s|API_ADDR|${API_ADDR?}|g\" /tmp/storageconfig.hcl;\n[ -n \"${TRANSIT_ADDR}\" ] && sed -Ei \"s|TRANSIT_ADDR|${TRANSIT_ADDR?}|g\" /tmp/storageconfig.hcl;\n[ -n \"${RAFT_ADDR}\" ] && sed -Ei \"s|RAFT_ADDR|${RAFT_ADDR?}|g\" /tmp/storageconfig.hcl;\n/usr/local/bin/docker-entrypoint.sh vault server -config=/tmp/storageconfig.hcl \n"
          securityContext:
            allowPrivilegeEscalation: false
          env:
            - name: HOST_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.hostIP
            - name: POD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
            - name: VAULT_K8S_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: VAULT_K8S_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: VAULT_ADDR
              value: "http://127.0.0.1:8200"
            - name: VAULT_API_ADDR
              value: "http://$(POD_IP):8200"
            - name: SKIP_CHOWN
              value: "true"
            - name: SKIP_SETCAP
              value: "true"
            - name: HOSTNAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: VAULT_CLUSTER_ADDR
              value: "https://$(HOSTNAME).vault-internal:8201"
            - name: HOME
              value: "/home/vault"
            - name: VAULT_LOG_LEVEL
              value: "debug"
            - name: VAULT_LOG_FORMAT
              value: "standard"
          volumeMounts:
            - name: data
              mountPath: /vault/data
            - name: config
              mountPath: /vault/config
            - mountPath: /opt/backups/
              name: vault-nfs-storage-backup
              readOnly: false
            - name: home
              mountPath: /home/vault
          ports:
            - containerPort: 8200
              name: http
            - containerPort: 8201
              name: https-internal
            - containerPort: 8202
              name: http-rep
          readinessProbe:
            # Check status; unsealed vault servers return 0
            # The exit code reflects the seal status:
            #   0 - unsealed
            #   1 - error
            #   2 - sealed
            exec:
              command: ["/bin/sh", "-ec", "vault status -tls-skip-verify"]
            failureThreshold: 2
            initialDelaySeconds: 5
            periodSeconds: 5
            successThreshold: 1
            timeoutSeconds: 3
          lifecycle:
            # Vault container doesn't receive SIGTERM from Kubernetes
            # and after the grace period ends, Kube sends SIGKILL.  This
            # causes issues with graceful shutdowns such as deregistering itself
            # from Consul (zombie services).
            preStop:
              exec:
                command:
                  - "/bin/sh"
                  - "-c"
                  # Adding a sleep here to give the pod eviction a
                  # chance to propagate, so requests will not be made
                  # to this pod while it's terminating
                  - "sleep 5 && kill -SIGTERM $(pidof vault)"
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: 1Gi