openstack-helm-infra/etcd/templates/statefulset.yaml
Vasyl Saienko 36288fa552 [etcd] Switch etcd to staetefulset
* Switch etcd to statefulset
* Allow to use persistant volumes to store etcd data
* Allow to deploy in clustered mode

Change-Id: I2baf5bdd05c280067991bb8b7f00c887ffd95c20
2024-09-14 09:51:00 +00:00

119 lines
5.0 KiB
YAML

# 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.
{{- define "etcdProbeTemplate" }}
exec:
command:
- /tmp/etcd-healthcheck.sh
{{- end }}
{{- if .Values.manifests.statefulset }}
{{- $envAll := . }}
{{- $rcControllerName := printf "%s-%s" $envAll.Release.Name "etcd" }}
{{- $configMapBinName := printf "%s-%s" $envAll.Release.Name "etcd-bin" }}
{{ tuple $envAll "etcd" $rcControllerName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: {{ $rcControllerName | quote }}
annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
labels:
{{ tuple $envAll "etcd" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
podManagementPolicy: "Parallel"
serviceName: "{{ tuple "etcd" "discovery" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" }}"
replicas: {{ .Values.pod.replicas.etcd }}
selector:
matchLabels:
{{ tuple $envAll "etcd" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
template:
metadata:
labels:
{{ tuple $envAll "etcd" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
{{ dict "envAll" $envAll "podName" "etcd" "containerNames" (list "init" "etcd") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
spec:
serviceAccountName: {{ $rcControllerName | quote }}
{{ dict "envAll" $envAll "application" "etcd" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
affinity:
{{ tuple $envAll "etcd" "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 "etcd" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
containers:
- name: etcd
{{ tuple $envAll "etcd" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ dict "envAll" $envAll "application" "etcd" "container" "etcd" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
{{ dict "envAll" . "component" "etcd" "container" "etcd" "type" "readiness" "probeTemplate" (include "etcdProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
{{ dict "envAll" . "component" "etcd" "container" "etcd" "type" "liveness" "probeTemplate" (include "etcdProbeTemplate" $envAll | fromYaml) | include "helm-toolkit.snippets.kubernetes_probe" | indent 10 }}
env:
{{ include "helm-toolkit.utils.to_k8s_env_vars" .Values.pod.env.etcd | indent 12 }}
- name: POD_NAME
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.name
command:
- /tmp/etcd.sh
ports:
- containerPort: {{ tuple "etcd" "internal" "client" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
name: client
protocol: TCP
- containerPort: {{ tuple "etcd_discovery" "internal" "client" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
name: peer
protocol: TCP
volumeMounts:
- name: pod-tmp
mountPath: /tmp
- name: etcd-bin
mountPath: /tmp/etcd.sh
subPath: etcd.sh
readOnly: true
- name: etcd-data
mountPath: /var/lib/etcd
- name: etcd-bin
mountPath: /tmp/etcd-healthcheck.sh
subPath: etcd-healthcheck.sh
readOnly: true
volumes:
- name: pod-tmp
emptyDir: {}
- name: etcd-bin
configMap:
name: {{ $configMapBinName | quote }}
defaultMode: 0555
{{- if not .Values.volume.enabled }}
- name: etcd-data
emptyDir: {}
{{- end }}
{{- end }}
{{- if .Values.volume.enabled }}
volumeClaimTemplates:
- metadata:
name: etcd-data
spec:
accessModes: [ "ReadWriteOnce" ]
resources:
requests:
storage: {{ .Values.volume.size }}
{{- if ne .Values.volume.class_name "default" }}
storageClassName: {{ .Values.volume.class_name }}
{{- end }}
{{- end }}