openstack-helm/postgresql/templates/statefulset.yaml
Scott Hussey ddef303dc8 Fix PostgreSQL dataloss on pod restart
- Make data volume mount path configurable
- Use volumeMount subPath to avoid 'lost+found' in PVC
- Set PGDATA env to match data volume mount path

Change-Id: I5988ae663d21dd09f6edece9e380a001b3a2d2df
2018-02-02 22:30:44 +00:00

95 lines
3.4 KiB
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.
*/}}
{{- $envAll := . }}
{{- $dependencies := .Values.dependencies.postgresql }}
{{- $serviceAccountName := "postgresql" }}
{{ tuple $envAll $dependencies $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
name: postgresql
spec:
serviceName: {{ tuple "postgresql" "internal" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}
replicas: {{ .Values.pod.replicas.server }}
template:
metadata:
labels:
{{ tuple $envAll "postgresql" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
spec:
serviceAccountName: {{ $serviceAccountName }}
affinity:
{{ tuple $envAll "postgresql" "server" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
nodeSelector:
{{ .Values.labels.node_selector_key }}: {{ .Values.labels.node_selector_value }}
initContainers:
{{ tuple $envAll $dependencies list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
containers:
- name: postgresql
image: {{ .Values.images.tags.postgresql }}
imagePullPolicy: {{ .Values.images.pull_policy }}
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 }}
livenessProbe:
exec:
command:
- pg_isready
initialDelaySeconds: 20
timeoutSeconds: 5
readinessProbe:
exec:
command:
- pg_isready
initialDelaySeconds: 20
timeoutSeconds: 5
{{ tuple $envAll $envAll.Values.pod.resources.server | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
volumeMounts:
- name: postgresql-data
mountPath: {{ .Values.storage.mount.path }}
subPath: {{ .Values.storage.mount.subpath }}
{{- if not .Values.storage.pvc.enabled }}
volumes:
- 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 }}