kubernetes-operator/README.md

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# Jenkins Operator
## What's Jenkins Operator?
Jenkins operator it's a Kubernetes native operator which fully manages Jenkins on Kubernetes.
It was built with immutability and declarative configuration as code in mind.
It provides out of the box:
- integration with Kubernetes
- pipelines as code
- extensibility via groovy scripts or configuration as code plugin
- security and hardening
## Problem statement and goals
The main reason why we decided to write the **jenkins-operator** is the fact that we faced a lot of problems with standard Jenkins deployment.
We want to make Jenkins more robust, suitable for dynamic and multi-tenant environments.
Some of the problems we want to solve:
- volumes handling (AWS EBS volume attach/detach issue when using PVC)
- installing plugins with incompatible versions or security vulnerabilities
- better configuration as code
- lack of end to end tests
- handle graceful shutdown properly
- security and hardening out of the box
- orphaned jobs with no jnlp connection
- make errors more visible for end users
## Documentation
1. [Installation][installation]
2. [Getting Started][getting_started]
3. [How it works][how_it_works]
4. [Developer Guide][developer_guide]
## Contribution
Feel free to file [issues](https://github.com/VirtusLab/jenkins-operator/issues) or [pull requests](https://github.com/VirtusLab/jenkins-operator/pulls).
## TODO
Common:
* simple API for generating Kubernetes events using one common format
* ~~VirtusLab docker registry~~ https://hub.docker.com/r/virtuslab/jenkins-operator
* ~~decorate Jenkins API client and add more functions for handling jobs and builds e.g. Ensure, CreateOrUpdate~~
* documentation
* ~~VirtusLab flavored Jenkins theme~~
* create Jenkins Jobs View for all jobs managed by the operator
* jenkins job for executing groovy scripts and configuration as code (from ConfigMap)
Base configuration:
* ~~install configuration as a code Jenkins plugin~~
* handle Jenkins restart when base configuration has changed
* ~~install~~ and configure Kubernetes plugin (in-progress)
* e2e pipelines using Kubernetes plugin
* Jenkins hardening, disable insecure options
* watch other Kubernetes resources by the fixed labels
User configuration:
* ~~user reconciliation loop with CR validation~~
* ~~configure seed jobs and deploy keys~~
* ~~e2e tests for seed jobs~~
* mask private key build parameter using mask-plugin
* configure Jenkins authorization (via configuration as a code plugin or groovy scripts)
* backup and restore for Jenkins jobs running as standalone job (AWS, GCP, Azure)
* trigger backup job before pod deletion using preStop k8s hooks
* verify Jenkins configuration events
[installation]:doc/installation.md
[getting_started]:doc/getting-started.md
[how_it_works]:doc/how-it-works.md
[developer_guide]:doc/developer-guide.md