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README.adoc
Evergreen
if you prefer IRC, check out irc.gitter.im
Evergreen is an automatically updating rolling distribution system for Jenkins It consists of server-side, and client-side components to support a Chrome-like upgrade experience for Jenkins users.
Jenkins Evergreen provides the end-user with a pre-assembled collection of legos that can be immediately used to implement CI [1] and CD [2] workloads. At the same time, this focus on end-users success in these well-defined scenarios will help the Jenkins project develop new features, and fix bugs, more rapidly than before.
Getting Started
Evergreen is currently in alpha and is not recommended for production just yet.
Getting started with a Docker-based installation
The easiest way to get started with Jenkins Evergreen is to use the Docker
image which has already been auto-configured for running workloads on Docker
itself. When jenkins/evergreen:docker-cloud is launched, it will
automatically download the latest version of Jenkins and the most essential
plugins and automatically configure some basic authentication, Docker settings
and Jenkins Pipeline.
In the example below, Jenkins Evergreen will be made available on port 8080
and persist its data in $PWD/jenkins-home, allowing the container to be
restarted if necessary.
docker volume create jenkins-evergreen-data && \
docker pull jenkins/evergreen:docker-cloud && \
docker run --name evergreen \
--restart=always \
-ti \
-p 8080:80 \
-v /var/run/docker.sock:/var/run/docker.sock \
-v jenkins-evergreen-data:/evergreen/data/ \
-e LOG_LEVEL=debug \
jenkins/evergreen:docker-cloudFetching the administrator password
Once Jenkins has been configured and run, you will need to fetch the dynamically generated administrator password in order to log in.
docker exec evergreen cat /evergreen/data/jenkins/home/secrets/initialAdminPasswordGetting started with an AWS-based installation
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Note
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This documentation is coming soon. |
Milestones
Jenkins Evergreen is currently available for early adopters. Please see jenkins.io/projects/evergreen for more documentation and instructions on how to use it.
Milestone One
Milestone Two
Currently in-progress
The second milestone for Jenkins Evergreen is much more focused on the end-user experience while exercising the continuous delivery process built out in Milestone One.
Beta
Currently unplanned
General Availability
Currently unplanned
Design Documents
Evergreen and Jenkins Evergreen are both captured in the following design documents:
| JEP | Title |
|---|---|
JEP-300 |
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JEP-301 |
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JEP-302 |
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JEP-303 |
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JEP-304 |
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JEP-305 |
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JEP-306 |
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JEP-307 |
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JEP-308 |
|
JEP-309 |
|
JEP-310 |
Deployment
The model applied with the Evergreen distribution system is one similar to "deploying" Software-as-a-Service, without having a centralized "production" environment. When documentation refers to a "Deployment", that entails a new "Upgrade" of Jenkins Evergreen being made available in the Evergreen hosted service layer, and the backend orchestration necessary to ping connected Instances to initiate their local upgrade process.
A Deployment is then considered successful when all connected Jenkins Evergreen Instances are running that new version of Jenkins Evergreen.
The Four Opens
Inspired by the Openstack project [3] Jenkins Evergreen follows "The Four Opens":
Open Source
We do not produce “open core” software.
We are committed to creating truly open source software that is usable and scalable. Truly open source software is not feature or performance limited and is not crippled.
We use the MIT license.
Open Design
We are committed to an open design process. The development cycle requires active collaboration to gather requirements and write specifications for upcoming releases. Those events, which are open to anyone, include users, developers, and upstream projects. We gather requirements, define priorities and flesh out technical design to guide development for the next development cycle.
The community controls the design process. You can help make this software meet your needs.
Open Development
We maintain a publicly available source code repository through the entire development process. We do public code reviews. We have public roadmaps. This makes participation simpler, allows users to follow the development process and participate in QA at an early stage.
Open Community
One of our core goals is to maintain a healthy, vibrant developer and user community. Most decisions are made using a lazy consensus model. All processes are documented, open and transparent.
Hacking on the project
See the related document.