197 lines
6.2 KiB
YAML
197 lines
6.2 KiB
YAML
# Copyright 2017 The Openstack-Helm Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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---
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apiVersion: apps/v1beta1
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kind: StatefulSet
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metadata:
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name: {{ .Values.service_name }}
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spec:
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serviceName: "{{ .Values.service_name }}"
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{{- if .Values.development.enabled }}
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replicas: 1
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{{- else }}
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replicas: {{ .Values.replicas }}
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{{- end }}
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template:
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metadata:
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labels:
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app: {{ .Values.service_name }}
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galera: enabled
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annotations:
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# alanmeadows: this soft requirement allows single
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# host deployments to spawn several mariadb containers
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# but in a larger environment, would attempt to spread
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# them out
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scheduler.alpha.kubernetes.io/affinity: >
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{
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"podAntiAffinity": {
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"preferredDuringSchedulingIgnoredDuringExecution": [{
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"labelSelector": {
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"matchExpressions": [{
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"key": "app",
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"operator": "In",
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"values":["mariadb"]
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}]
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},
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"topologyKey": "kubernetes.io/hostname",
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"weight": 10
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}]
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}
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}
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spec:
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nodeSelector:
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{{ .Values.labels.node_selector_key }}: {{ .Values.labels.node_selector_value }}
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containers:
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- name: {{ .Values.service_name }}
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image: {{ .Values.images.mariadb }}
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imagePullPolicy: {{ .Values.images.pull_policy }}
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{{- if .Values.resources.enabled }}
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resources:
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limits:
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cpu: {{ .Values.resources.api.limits.cpu | quote }}
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memory: {{ .Values.resources.api.limits.memory | quote }}
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requests:
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cpu: {{ .Values.resources.api.requests.cpu | quote }}
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memory: {{ .Values.resources.api.requests.memory | quote }}
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{{- end }}
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command:
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- bash
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- /tmp/start.sh
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env:
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- name: INTERFACE_NAME
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value: "eth0"
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- name: POD_NAME
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valueFrom:
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fieldRef:
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fieldPath: metadata.name
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- name: POD_IP
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valueFrom:
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fieldRef:
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fieldPath: status.podIP
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- name: NAMESPACE
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valueFrom:
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fieldRef:
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fieldPath: metadata.namespace
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ports:
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- containerPort: {{ .Values.network.port.mariadb }}
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- containerPort: {{ .Values.network.port.wsrep }}
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- containerPort: {{ .Values.network.port.ist }}
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# a readinessprobe is a much more complex affair with
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# statefulsets, as the container must be "live"
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# before the next stateful member is created
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# and with galera this is problematic
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readinessProbe:
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exec:
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command:
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- python
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- /mariadb-readiness.py
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initialDelaySeconds: 60
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volumeMounts:
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- name: mycnfd
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mountPath: /etc/my.cnf.d
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- name: startsh
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mountPath: /tmp/start.sh
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subPath: start.sh
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- name: bootstrapdb
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mountPath: /tmp/bootstrap-db.sh
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subPath: bootstrap-db.sh
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- name: peerfinder
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mountPath: /tmp/peer-finder.py
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subPath: peer-finder.py
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- name: readiness
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mountPath: /mariadb-readiness.py
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subPath: readiness.py
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- name: charsets
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mountPath: /etc/my.cnf.d/charsets.cnf
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subPath: charsets.cnf
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- name: engine
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mountPath: /etc/my.cnf.d/engine.cnf
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subPath: engine.cnf
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- name: log
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mountPath: /etc/my.cnf.d/log.cnf
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subPath: log.cnf
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- name: mycnf
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mountPath: /etc/my.cnf
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subPath: my.cnf
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- name: networking
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mountPath: /etc/my.cnf.d/networking.cnf
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subPath: networking.cnf
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- name: pid
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mountPath: /etc/my.cnf.d/pid.cnf
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subPath: pid.cnf
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- name: tuning
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mountPath: /etc/my.cnf.d/tuning.cnf
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subPath: tuning.cnf
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- name: wsrep
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mountPath: /etc/my.cnf.d/wsrep.cnf
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subPath: wsrep.cnf
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- name: mysql-data
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mountPath: /var/lib/mysql
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volumes:
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- name: mycnfd
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emptyDir: {}
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- name: startsh
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configMap:
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name: mariadb-bin
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- name: bootstrapdb
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configMap:
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name: mariadb-bin
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- name: peerfinder
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configMap:
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name: mariadb-bin
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- name: readiness
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configMap:
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name: mariadb-bin
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- name: charsets
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configMap:
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name: mariadb-etc
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- name: engine
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configMap:
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name: mariadb-etc
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- name: log
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configMap:
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name: mariadb-etc
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- name: mycnf
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configMap:
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name: mariadb-etc
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- name: networking
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configMap:
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name: mariadb-etc
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- name: pid
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configMap:
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name: mariadb-etc
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- name: tuning
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configMap:
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name: mariadb-etc
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- name: wsrep
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configMap:
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name: mariadb-etc
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{{- if .Values.development.enabled }}
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- name: mysql-data
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hostPath:
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path: {{ .Values.development.storage_path }}
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{{- else }}
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volumeClaimTemplates:
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- metadata:
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name: mysql-data
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annotations:
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{{ .Values.volume.class_path }}: {{ .Values.volume.class_name }}
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spec:
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accessModes: [ "ReadWriteOnce" ]
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resources:
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requests:
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storage: {{ .Values.volume.size }}
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{{- end }}
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