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CONTRIBUTING Guide

About KubeVela

KubeVela project is initialized and maintained by the cloud native community since day 0 with bootstrapping contributors from 8+ different organizations. We intend for KubeVela to have a open governance since the very beginning and donate the project to neutral foundation as soon as it's released.

This doc explains how to set up a development environment, so you can get started contributing to kubevela or build a PoC (Proof of Concept).

Development

Prerequisites

  1. Golang version 1.13+
  2. Kubernetes version v1.16+ with ~/.kube/config configured.
  3. ginkgo 1.14.0+ (just for E2E test)
  4. golangci-lint 1.31.0+, it will install automatically if you run make, you can install it manually if the installation is too slow.

We also recommend you to learn about KubeVela's design before dive into its code.

Build

  • Clone this project
git clone [email protected]:oam-dev/kubevela.git
  • Build Vela CLI
make
  • Configure vela to PATH

after build, make will create vela binary to bin/, Set this path to PATH.

export PATH=$PATH:/your/path/to/project/kubevela/bin

Then you can use vela command directly.

  • Build Vela Core
make manager
  • Run Vela Core

Firstly make sure your cluster has CRDs.

make core-install

Run locally:

make core-run

This command will run controller locally, it will use your local KubeConfig which means you need to have a k8s cluster locally. If you don't have a one, we suggest that you could setup up a cluster with kind.

Use

  • Create environment
vela env init myenv --namespace myenv --email [email protected] --domain kubevela.io
  • Create Component

For example, use the following command to create and run an application.

$ vela svc deploy mysvc -t webservice --image crccheck/hello-world --port 8000 -a abc
  App abc deployed
  • Add Trait
$ vela route abc
  Adding route for app mysvc
  ⠋ Deploying ...
  ✅ Application Deployed Successfully!
    - Name: mysvc
      Type: webservice
      HEALTHY Ready: 1/1
      Last Deployment:
        Created at: 2020-11-02 11:17:28 +0800 CST
        Updated at: 2020-11-02T11:21:23+08:00
      Routes:
        - route: Visiting URL: http://abc.kubevela.io	IP: 47.242.68.137
  • Check Status
$ vela status abc
  About:
  
    Name:      	abc
    Namespace: 	default
    Created at:	2020-11-02 11:17:28.067738 +0800 CST
    Updated at:	2020-11-02 11:28:13.490986 +0800 CST
  
  Services:
  
    - Name: mysvc
      Type: webservice
      HEALTHY Ready: 1/1
      Last Deployment:
        Created at: 2020-11-02 11:17:28 +0800 CST
        Updated at: 2020-11-02T11:28:13+08:00
      Routes:
        - route: Visiting URL: http://abc.kubevela.io	IP: 47.242.68.137
  • Delete App
$ vela ls
  SERVICE       	APP      	TYPE	TRAITS	STATUS  	CREATED-TIME
  mysvc            	abc       	    	      	Deployed 	2020-11-02 11:17:28 +0800 CST

$ vela delete abc
  Deleting Application "abc"
  delete apps succeed abc from default

Testing

Unit test

make test

E2E test

Before e2e test start, make sure you have vela-core running.

make core-run

Start to test.

make e2e-test

Make a pull request

Remember to write unit-test and e2e test before making a pull request.

Merge Regulations

Before merging, the pull request should obey the following rules:

  • The commit title and message should be clear about what this PR does.
  • All test CI should pass green.
  • The codecov/project should pass. This means the coverage should not drop. See Codecov commit status.