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Enable Kubernetes API for DCS. (#8112)
* Ability to use Kubernetes for DCS. Update spilo image. Signed-off-by: Andrey Voronkov <voronkovaa@gmail.com> * Update README and image version. Signed-off-by: Andrey Voronkov <voronkovaa@gmail.com> * Turn on K8s based DCS on by default. Turn off etcd. Signed-off-by: Andrey Voronkov <voronkovaa@gmail.com> * Update README Signed-off-by: Andrey Voronkov <voronkovaa@gmail.com> * fix pvc claim for patronic and make it optional Signed-off-by: Paul Czarkowski <username.taken@gmail.com>
This commit is contained in:
Andrey Voronkov
committed by
Kubernetes Prow Robot
Kubernetes Prow Robot
parent
549b1828f4
commit
10b1d082c3
@@ -1,7 +1,7 @@
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name: patroni
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description: 'Highly available elephant herd: HA PostgreSQL cluster.'
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version: 0.10.0
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appVersion: 1.4-p7
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version: 0.11.0
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appVersion: 1.4-p16
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home: https://github.com/zalando/patroni
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sources:
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- https://github.com/zalando/patroni
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@@ -14,7 +14,6 @@ This directory contains a Kubernetes chart to deploy a five node [Patroni](https
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## Todo
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* Make namespace configurable
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* K8S native DCS
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## Chart Details
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This chart will do the following:
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@@ -63,14 +62,16 @@ The following table lists the configurable parameters of the patroni chart and t
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| `nameOverride` | Override the name of the chart | `nil` |
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| `fullnameOverride` | Override the fullname of the chart | `nil` |
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| `replicaCount` | Amount of pods to spawn | `5` |
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| `image.repository` | The image to pull | `registry.opensource.zalan.do/acid/spilo-10` |
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| `image.tag` | The version of the image to pull | `1.4-p6` |
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| `image.repository` | The image to pull | `registry.opensource.zalan.do/acid/spilo-10` |
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| `image.tag` | The version of the image to pull | `1.4-p16` |
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| `image.pullPolicy` | The pull policy | `IfNotPresent` |
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| `credentials.superuser` | Password of the superuser | `tea` |
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| `credentials.admin` | Password of the admin | `cola` |
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| `credentials.standby` | Password of the replication user | `pinacolada` |
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| `etcd.enable` | Using etcd as DCS | `true` |
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| `etcd.deployChart` | Deploy etcd chart | `true` |
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| `kubernetes.dcs.enable` | Using Kubernetes as DCS | `true` |
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| `kubernetes.configmaps.enable` | Using Kubernetes configmaps instead of endpoints | `false` |
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| `etcd.enable` | Using etcd as DCS | `false` |
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| `etcd.deployChart` | Deploy etcd chart | `false` |
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| `etcd.host` | Host name of etcd cluster | `nil` |
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| `etcd.discovery` | Domain name of etcd cluster | `nil` |
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| `zookeeper.enable` | Using ZooKeeper as DCS | `false` |
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@@ -1,9 +1,9 @@
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dependencies:
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- name: etcd
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repository: https://kubernetes-charts-incubator.storage.googleapis.com/
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version: 0.3.9
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version: 0.6.2
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- name: zookeeper
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repository: https://kubernetes-charts-incubator.storage.googleapis.com/
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version: 1.0.0
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digest: sha256:2cba87a0a23df25d78a0908f4ce9ae27acb0530a5aac430f19a2dbc0778aa4b2
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generated: 2018-05-14T14:49:09.901956221+02:00
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digest: sha256:b65cce5b82c3c9971b7551e923e03a9253bcb9771386086a4e75992a9682ca03
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generated: 2019-01-26T09:48:28.627975698-06:00
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@@ -1,6 +1,6 @@
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dependencies:
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- name: etcd
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version: 0.3.9
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version: 0.6.2
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repository: https://kubernetes-charts-incubator.storage.googleapis.com/
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condition: etcd.deployChart
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- name: zookeeper
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@@ -9,7 +9,35 @@ metadata:
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release: {{ .Release.Name }}
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heritage: {{ .Release.Service }}
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rules:
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- apiGroups: [""]
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resources: ["endpoints", "pods"]
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verbs: ["patch"]
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- apiGroups: [""]
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resources: ["configmaps"]
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verbs:
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- create
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- get
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- list
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- patch
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- update
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- watch
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# delete is required only for 'patronictl remove'
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- delete
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- apiGroups: [""]
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resources: ["endpoints"]
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verbs:
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- create
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- get
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- patch
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- update
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# the following three privileges are necessary only when using endpoints
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- list
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- watch
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# delete is required only for for 'patronictl remove'
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- delete
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- apiGroups: [""]
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resources: ["pods"]
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verbs:
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- get
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- list
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- patch
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- update
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- watch
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{{- end }}
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@@ -42,6 +42,18 @@ spec:
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secretKeyRef:
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name: {{ template "patroni.fullname" . }}
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key: password-standby
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{{- if .Values.kubernetes.dcs.enable }}
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- name: DCS_ENABLE_KUBERNETES_API
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value: "true"
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- name: KUBERNETES_LABELS
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value: {{ (printf "{ \"app\": \"%s\", \"release\": \"%s\" }" (include "patroni.name" .) .Release.Name) | quote }}
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- name: KUBERNETES_SCOPE_LABEL
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value: "app"
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{{- end }}
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{{- if .Values.kubernetes.configmaps.enable }}
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- name: KUBERNETES_USE_CONFIGMAPS
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value: "true"
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{{- end }}
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{{- if .Values.etcd.enable }}
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{{- if .Values.etcd.deployChart }}
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- name: ETCD_DISCOVERY_DOMAIN
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@@ -142,6 +154,11 @@ spec:
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secretName: {{ .Values.walE.kubernetesSecret }}
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{{- end }}
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{{- end }}
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{{- if not .Values.persistentVolume.enabled }}
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- name: storage-volume
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emptyDir: {}
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{{- end }}
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{{- if .Values.persistentVolume.enabled }}
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volumeClaimTemplates:
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- metadata:
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name: storage-volume
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@@ -166,3 +183,4 @@ spec:
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storageClassName: "{{ .Values.persistentVolume.storageClass }}"
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{{- end }}
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{{- end }}
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{{- end }}
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@@ -4,7 +4,7 @@ image:
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# Image was built from
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# https://github.com/zalando/spilo/tree/master/postgres-appliance
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repository: registry.opensource.zalan.do/acid/spilo-10
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tag: 1.4-p7
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tag: 1.4-p16
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pullPolicy: IfNotPresent
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# Credentials used by Patroni
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@@ -17,9 +17,14 @@ credentials:
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# Distribution Configuration stores
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# Please note that only one of the following stores should be enabled.
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kubernetes:
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dcs:
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enable: true
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configmaps:
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enable: false
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etcd:
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enable: true
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deployChart: true
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enable: false
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deployChart: false
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# If not deploying etcd chart, fill-in value for etcd service
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# <service>.<namespace>.svc.cluster.local
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host:
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@@ -52,6 +57,7 @@ walE:
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backupThresholdPercentage: 30
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persistentVolume:
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enabled: true
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size: 1G
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## database data Persistent Volume Storage Class
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## If defined, storageClassName: <storageClass>
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@@ -60,7 +66,7 @@ persistentVolume:
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## set, choosing the default provisioner. (gp2 on AWS, standard on
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## GKE, AWS & OpenStack)
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##
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storageClass: "-"
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# storageClass: "-"
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subPath: ""
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mountPath: "/home/postgres/pgdata"
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annotations: {}
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