kubernetes-operator/docs/developer-guide.md

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# Developer guide
This document explains how to setup your development environment.
## Prerequisites
- [operator_sdk][operator_sdk]
- [dep][dep_tool] version v0.5.0+
- [git][git_tool]
- [go][go_tool] version v1.10+
- [minikube][minikube] version v0.31.0+ (preferred Hypervisor - [virtualbox][virtualbox])
- [docker][docker_tool] version 17.03+
## Clone repository and download dependencies
```bash
mkdir -p $GOPATH/src/github.com/VirtusLab
cd $GOPATH/src/github.com/VirtusLab/
git clone git@github.com:VirtusLab/jenkins-operator.git
cd jenkins-operator
make go-dependencies
```
## Build and run
Build and run **jenkins-operator**` locally:
```bash
make build && make docker-build && make minikube-run EXTRA_ARGS='--minikube --local'
```
Once minikube and **jenkins-operator** are up and running, apply Jenkins custom resource:
```bash
kubectl apply -f deploy/crds/virtuslab_v1alpha1_jenkins_cr.yaml
kubectl get jenkins -o yaml
kubectl get po
```
## Testing
Run unit tests:
```bash
make test
```
Run e2e tests with minikube:
```bash
make minikube-run
make docker-build-e2e
make e2e E2E_IMAGE=jenkins-operator
```
## Hacks
### `pkg/apis/virtuslab/v1alpha1/jenkins_types` has changed
Run:
```bash
make deepcopy-gen
```
### Getting Jenkins URL and basic credentials
```bash
minikube service jenkins-operator-example --url
kubectl get secret jenkins-operator-credentials-example -o 'jsonpath={.data.password}' | base64 -d
```
[dep_tool]:https://golang.github.io/dep/docs/installation.html
[git_tool]:https://git-scm.com/downloads
[go_tool]:https://golang.org/dl/
[operator_sdk]:https://github.com/operator-framework/operator-sdk
[fork_guide]:https://help.github.com/articles/fork-a-repo/
[docker_tool]:https://docs.docker.com/install/
[kubectl_tool]:https://kubernetes.io/docs/tasks/tools/install-kubectl/
[minikube]:https://kubernetes.io/docs/tasks/tools/install-minikube/
[virtualbox]:https://www.virtualbox.org/wiki/Downloads
[jenkins-operator]:../README.md