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Make zookeeper version customizable #306

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Make zookeeper version customizable #306

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9 changes: 8 additions & 1 deletion repository/zookeeper/README.md
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Expand Up @@ -4,14 +4,21 @@ The KUDO Zookeeper operator creates, configures and manages [Apache Zookeeper](h

## Getting started

The latest stable version of Zookeeper operator is `0.3.3`
The latest stable version of Zookeeper operator is `0.3.4`

## Version Chart

| KUDO Zookeeper Version | Apache Zookeeper Version |
| ---------------------- | ------------------------ |
| 0.3.4 | 3.6.2 |
| 0.3.3 | 3.6.2 |
| 0.3.2 | 3.4.14 |
| 0.3.1 | 3.4.14 |
| 0.3.0 | 3.4.14 |
| latest | 3.6.2 |

## Custom Zookeeper Versions

The operator contains a parameter `IMAGE_VERSION` with a default that is the current zookeeper version, normally something like `zookeeper:3.6.2`. You can change this parameter to a different image, but the operator may not run correctly, as there may be missing configuration or other changes to the default version.

Additionally, if you specify the `IMAGE_VERSION` manually, you will not get an updated zookeeper version if you update the operator - in this case you will need to update the `IMAGE_VERSION` yourself on an operator update.
3 changes: 3 additions & 0 deletions repository/zookeeper/operator/params.yaml
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Expand Up @@ -37,6 +37,9 @@ parameters:
description: |
The port on which the Zookeeper process will perform leader election. The default is 3888.
default: "3888"
- name: IMAGE_VERSION
description: "Zookeeper container image"
default: "zookeeper:3.6.2"
- name: IMAGE_PULL_POLICY
description: "Zookeeper container image pull policy"
default: "Always"
2 changes: 1 addition & 1 deletion repository/zookeeper/operator/templates/statefulset.yaml
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Expand Up @@ -30,7 +30,7 @@ spec:
containers:
- name: kubernetes-zookeeper
imagePullPolicy: {{ .Params.IMAGE_PULL_POLICY }}
image: "zookeeper:3.6.2"
image: "{{ .Params.IMAGE_VERSION }}"
resources:
requests:
memory: {{ .Params.MEMORY }}
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2 changes: 1 addition & 1 deletion repository/zookeeper/operator/templates/validation.yaml
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Expand Up @@ -11,7 +11,7 @@ spec:
containers:
- name: kubernetes-zookeeper
imagePullPolicy: {{ .Params.IMAGE_PULL_POLICY }}
image: "zookeeper:3.6.2"
image: "{{ .Params.IMAGE_VERSION }}"
env:
- name: CONN
value: {{ if gt (int .Params.NODE_COUNT) 0 }} {{ .Name }}-zookeeper-0.{{ .Name }}-hs:{{ .Params.CLIENT_PORT }}{{- $root := . -}}{{ range $i, $v := untilStep 1 (int .Params.NODE_COUNT) 1 }},{{ $root.Name }}-zookeeper-{{ $v }}.{{ $root.Name }}-hs:{{ $root.Params.CLIENT_PORT }}{{ end }}{{ end }}
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