openbao-helm/charts/openbao/templates/server-statefulset.yaml

{{/*
Copyright (c) HashiCorp, Inc.
SPDX-License-Identifier: MPL-2.0
*/}}

{{ template "openbao.mode" . }}
{{- if ne .mode "external" }}
{{- if ne .mode "" }}
{{- if .serverEnabled -}}
# StatefulSet to run the actual openbao server cluster.
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ template "openbao.fullname" . }}
  namespace: {{ include "openbao.namespace" . }}
  labels:
    app.kubernetes.io/name: {{ include "openbao.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/managed-by: {{ .Release.Service }}
  {{- template "openbao.statefulSet.annotations" . }}
spec:
  serviceName: {{ template "openbao.fullname" . }}-internal
  podManagementPolicy: Parallel
  replicas: {{ template "openbao.replicas" . }}
  updateStrategy:
    type: {{ .Values.server.updateStrategyType }}
  {{- if and (semverCompare ">= 1.23-0" .Capabilities.KubeVersion.Version) (.Values.server.persistentVolumeClaimRetentionPolicy) }}
  persistentVolumeClaimRetentionPolicy: {{ toYaml .Values.server.persistentVolumeClaimRetentionPolicy | nindent 4 }}
  {{- end }}
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ template "openbao.name" . }}
      app.kubernetes.io/instance: {{ .Release.Name }}
      component: server
  template:
    metadata:
      labels:
        helm.sh/chart: {{ template "openbao.chart" . }}
        app.kubernetes.io/name: {{ template "openbao.name" . }}
        app.kubernetes.io/instance: {{ .Release.Name }}
        component: server
        {{- if  .Values.server.extraLabels -}}
          {{- toYaml .Values.server.extraLabels | nindent 8 -}}
        {{- end -}}
      {{ template "openbao.annotations" . }}
    spec:
      {{ template "openbao.affinity" . }}
      {{ template "openbao.topologySpreadConstraints" . }}
      {{ template "openbao.tolerations" . }}
      {{ template "openbao.nodeselector" . }}
      {{- if .Values.server.priorityClassName }}
      priorityClassName: {{ .Values.server.priorityClassName }}
      {{- end }}
      terminationGracePeriodSeconds: {{ .Values.server.terminationGracePeriodSeconds }}
      serviceAccountName: {{ template "openbao.serviceAccount.name" . }}
      {{ if  .Values.server.shareProcessNamespace }}
      shareProcessNamespace: true
      {{ end }}
      {{- template "server.statefulSet.securityContext.pod" . }}
      {{- if not .Values.global.openshift }}
      hostNetwork: {{ .Values.server.hostNetwork }}
      {{- end }}
      volumes:
        {{ template "openbao.volumes" . }}
        - name: home
          emptyDir: {}
      {{- if .Values.server.hostAliases }}
      hostAliases:
        {{ toYaml .Values.server.hostAliases | nindent 8}}
      {{- end }}
      {{- if .Values.server.extraInitContainers }}
      initContainers:
        {{ toYaml .Values.server.extraInitContainers | nindent 8}}
      {{- end }}
      containers:
        - name: openbao
          {{ template "openbao.resources" . }}
          image: {{ .Values.server.image.registry | default "docker.io" }}/{{ .Values.server.image.repository }}:{{ .Values.server.image.tag | default "latest" }}
          imagePullPolicy: {{ .Values.server.image.pullPolicy }}
          command:
          - "/bin/sh"
          - "-ec"
          args: {{ template "openbao.args" . }}
          {{- template "server.statefulSet.securityContext.container" . }}
          env:
            - name: HOST_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.hostIP
            - name: POD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
            - name: BAO_K8S_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: BAO_K8S_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: BAO_ADDR
              value: "{{ include "openbao.scheme" . }}://127.0.0.1:8200"
            - name: BAO_API_ADDR
              {{- if .Values.server.ha.apiAddr }}
              value: {{ .Values.server.ha.apiAddr }}
              {{- else }}
              value: "{{ include "openbao.scheme" . }}://$(POD_IP):8200"
              {{- end }}
            - name: SKIP_CHOWN
              value: "true"
            - name: SKIP_SETCAP
              value: "true"
            - name: HOSTNAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: BAO_CLUSTER_ADDR
              {{- if .Values.server.ha.clusterAddr }}
              value: {{ .Values.server.ha.clusterAddr | quote }}
              {{- else }}
              value: "https://$(HOSTNAME).{{ template "openbao.fullname" . }}-internal:8201"
              {{- end }}
            {{- if and (eq (.Values.server.ha.raft.enabled | toString) "true") (eq (.Values.server.ha.raft.setNodeId | toString) "true") }}
            - name: BAO_RAFT_NODE_ID
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            {{- end }}
            - name: HOME
              value: "/home/openbao"
            {{- if .Values.server.logLevel }}
            - name: BAO_LOG_LEVEL
              value: "{{ .Values.server.logLevel }}"
            {{- end }}
            {{- if .Values.server.logFormat }}
            - name: BAO_LOG_FORMAT
              value: "{{ .Values.server.logFormat }}"
            {{- end }}
            {{ template "openbao.envs" . }}
            {{- include "openbao.extraEnvironmentVars" .Values.server | nindent 12 }}
            {{- include "openbao.extraSecretEnvironmentVars" .Values.server | nindent 12 }}
          volumeMounts:
          {{ template "openbao.mounts" . }}
            - name: home
              mountPath: /home/openbao
          ports:
            - containerPort: 8200
              name: {{ include "openbao.scheme" . }}
            - containerPort: 8201
              name: https-internal
            - containerPort: 8202
              name: {{ include "openbao.scheme" . }}-rep
          {{- if .Values.server.extraPorts -}}
          {{ toYaml .Values.server.extraPorts | nindent 12}}
          {{- end }}
          {{- if .Values.server.readinessProbe.enabled }}
          readinessProbe:
            {{- if .Values.server.readinessProbe.path }}
            httpGet:
              path: {{ .Values.server.readinessProbe.path | quote }}
              port: {{ .Values.server.readinessProbe.port }}
              scheme: {{ include "openbao.scheme" . | upper }}
            {{- else }}
            # Check status; unsealed openbao servers return 0
            # The exit code reflects the seal status:
            #   0 - unsealed
            #   1 - error
            #   2 - sealed
            exec:
              command: ["/bin/sh", "-ec", "bao status -tls-skip-verify"]
            {{- end }}
            failureThreshold: {{ .Values.server.readinessProbe.failureThreshold }}
            initialDelaySeconds: {{ .Values.server.readinessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.server.readinessProbe.periodSeconds }}
            successThreshold: {{ .Values.server.readinessProbe.successThreshold }}
            timeoutSeconds: {{ .Values.server.readinessProbe.timeoutSeconds }}
          {{- end }}
          {{- if .Values.server.livenessProbe.enabled }}
          livenessProbe:
            {{- if .Values.server.livenessProbe.execCommand }}
            exec:
              command:
                {{- range (.Values.server.livenessProbe.execCommand) }}
                - {{ . | quote }}
                {{- end }}
            {{- else }}
            httpGet:
              path: {{ .Values.server.livenessProbe.path | quote }}
              port: {{ .Values.server.livenessProbe.port }}
              scheme: {{ include "openbao.scheme" . | upper }}
            {{- end }}
            failureThreshold: {{ .Values.server.livenessProbe.failureThreshold }}
            initialDelaySeconds: {{ .Values.server.livenessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.server.livenessProbe.periodSeconds }}
            successThreshold: {{ .Values.server.livenessProbe.successThreshold }}
            timeoutSeconds: {{ .Values.server.livenessProbe.timeoutSeconds }}
          {{- end }}
          lifecycle:
            # openbao 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 {{ .Values.server.preStopSleepSeconds }} && kill -SIGTERM $(pidof bao)",
                ]
            {{- if .Values.server.postStart }}
            postStart:
              exec:
                command:
                {{- range (.Values.server.postStart) }}
                - {{ . | quote }}
                {{- end }}
            {{- end }}
        {{- if .Values.server.extraContainers }}
          {{ toYaml .Values.server.extraContainers | nindent 8}}
        {{- end }}
      {{- include "imagePullSecrets" . | nindent 6 }}
  {{ template "openbao.volumeclaims" . }}
{{ end }}
{{ end }}
{{ end }}