openstack-helm-infra/postgresql/templates/statefulset.yaml

{{/*
Copyright 2017 The Openstack-Helm Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/}}

{{- if .Values.manifests.statefulset }}
{{- $envAll := . }}

{{- $serviceAccountName := "postgresql" }}
{{ tuple $envAll "postgresql" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: postgresql
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
  labels:
{{ tuple $envAll "postgresql" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  serviceName: {{ tuple "postgresql" "internal" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
  replicas: {{ .Values.pod.replicas.server }}
  selector:
    matchLabels:
{{ tuple $envAll "postgresql" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "postgresql" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
        configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
    spec:
      serviceAccountName: {{ $serviceAccountName }}
{{ dict "envAll" $envAll "application" "server" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      affinity:
{{ tuple $envAll "postgresql" "server" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
      nodeSelector:
        {{ .Values.labels.server.node_selector_key }}: {{ .Values.labels.server.node_selector_value }}
      initContainers:
{{ tuple $envAll "postgresql" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
        - name: set-volume-perms
{{ tuple $envAll "postgresql" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.server | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          command:
            - "/bin/chown"
            - {{ .Values.pod.security_context.server.pod.runAsUser | quote }}
            - {{ .Values.storage.mount.path | quote }}
{{ dict "envAll" $envAll "application" "server" "container" "set_volume_perms" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: postgresql-data
              mountPath: {{ .Values.storage.mount.path }}
              subPath: {{ .Values.storage.mount.subpath }}
      containers:
        - name: postgresql
{{ tuple $envAll "postgresql" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.server | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "server" "container" "postgresql" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          ports:
            - containerPort: {{ tuple "postgresql" "internal" "postgresql" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
          env:
            - name: 'POSTGRES_PASSWORD'
              valueFrom:
                secretKeyRef:
                  name: {{ .Values.secrets.postgresql.admin }}
                  key: 'POSTGRES_PASSWORD'
            - name: 'POSTGRES_USER'
              valueFrom:
                secretKeyRef:
                  name: {{ .Values.secrets.postgresql.admin }}
                  key: 'POSTGRES_USER'
            - name: 'PGDATA'
              value: {{ .Values.storage.mount.path | quote }}
          command:
            - /tmp/start.sh
          livenessProbe:
            exec:
              command:
                - /tmp/readiness.sh
            initialDelaySeconds: 20
            timeoutSeconds: 5
          readinessProbe:
            exec:
              command:
                - /tmp/readiness.sh
            initialDelaySeconds: 20
            timeoutSeconds: 5
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - name: pg-run
              mountPath: /var/run/postgresql
            - name: postgresql-bin
              mountPath: /tmp/start.sh
              subPath: start.sh
              readOnly: true
            - name: postgresql-bin
              mountPath: /tmp/readiness.sh
              subPath: readiness.sh
              readOnly: true
            - name: postgresql-data
              mountPath: {{ .Values.storage.mount.path }}
              subPath: {{ .Values.storage.mount.subpath }}
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: pg-run
          emptyDir:
            medium: "Memory"
        - name: postgresql-bin
          configMap:
            name: postgresql-bin
            defaultMode: 0555
{{- if not .Values.storage.pvc.enabled }}
        - name: postgresql-data
          hostPath:
            path: {{ .Values.storage.host.host_path }}
{{- else }}
  volumeClaimTemplates:
    - metadata:
        name: postgresql-data
        annotations:
          {{ .Values.storage.pvc.class_path }}: {{ .Values.storage.pvc.class_name }}
      spec:
        accessModes: [ "ReadWriteOnce" ]
        resources:
          requests:
            storage: {{ .Values.storage.pvc.size }}
{{- end }}
{{- end }}