Docs: minor fixes (#608)

* Link to project's DockerHub in README's section on nightly builds, add paragraph about nightly builds in installation docs

* Fix repositoryURL in sample seedJob configuration with SSH auth

* Slightly expand on #348

* Fix formatting in docs on Jenkins' customization, update plugin versions

* Add notes on Jenkins home Volume in Helm chart values.yaml and docs (#589)
This commit is contained in:
Szymon Fugas
2021-08-02 15:52:10 +02:00
committed by GitHub
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title: "Installation"
linkTitle: "Installation"
weight: 1
date: 2020-10-05
date: 2021-07-30
description: >
How to install Jenkins Operator
---
{{% pageinfo %}}
This document describes installation procedure for **Jenkins Operator**.
All container images can be found at [virtuslab/jenkins-operator](https://hub.docker.com/r/virtuslab/jenkins-operator)
All container images can be found at [virtuslab/jenkins-operator](https://hub.docker.com/r/virtuslab/jenkins-operator) Docker Hub repository.
{{% /pageinfo %}}
## Requirements
To run **Jenkins Operator**, you will need:
- access to a Kubernetes cluster version `1.17+`
- `kubectl` version `1.17+`
Listed below are the two ways to deploy Jenkins Operator. For details on how to customize your Jenkins instance, refer to [Getting Started](/kubernetes-operator/docs/installation/)
Listed below are the two ways to deploy Jenkins Operator. For details on how to customize your Jenkins instance, refer to [Getting Started](/kubernetes-operator/docs/installation/).
## Deploy Jenkins Operator using YAML's
@@ -877,3 +878,12 @@ Example:<br />
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</table>
## Note on Operator's nightly built images
If you wish to use the newest, not yet released version of the Operator, you can use one of nightly built snapshot images, however the maintainers of this project cannot guarantee their stability.
You can find nightly built images by heading to [virtuslab/jenkins-operator](https://hub.docker.com/r/virtuslab/jenkins-operator) Docker Hub repository and looking for images with tag in the form of "{git-hash}", {git-hash} being the hash of master branch commit that you want to use snapshot of.
## Note on Jenkins home Volume
Current design of the Operator puts an emphasis on creating a full GitOps flow of work for Jenkins users. One of the key points of this design is maintaining an immutable state of Jenkins.
One of the prerequisites of this is an ephemeral Jenkins home directory. To achieve that, Operator mounts emptyDir Volume as Jenkins home directory. It is not possible to overwrite volumeMount and specify any other Volume for Jenkins home directory, as attempting to do so will result in Operator error.