Jenkins-in-a-Box

Jenkins-in-a-Box is an easy to install development / test environment for Jenkins administration. It contains docker containers for nexus, sonar, jenkins, jenkins-slave all ready to go and easy to customize.

Prerequisites

You need Vagrant installed on your system.

Installation

git clone https://github.com/rattermeyer/jenkins-in-a-box.git
cd jenkins-in-a-box
vagrant up

Installation takes (depending on internet connection) around 30-45 min. You can check if everything is up and running vagrant ssh sudo docker ps | wc The last command should print 9

What should end up with is a VM with multiple docker containers

• git repository
• nexus repository
• jenkins master
• jenkins slave
• sonar
• skydns
• skydock

The latter two are for name resolution between docker containers.

Some other pre-requisite tasks:

• To enable sonar, you must first access sonar: http://localhost:9000
• Check nexus: http://localhost:8081/nexus
• Access Jenkins: http://localhost:8080/jenkins

Known Issues

Name Resolution not working

Currently skydns has a TTL for entries of standard 3600s. So after one hour the system will not be able to work correctly because docker container cannot resolve of other containers anymore. This can easily be resolved by running

docker stop skydock
docker start skydock

The skydock container will automatically add all running containers to the SkyDNS service.

Jenkins slave not showing up

Solution: restart slave

# enter VM
vagrant ssh
# become root
sudo -s
# switch to project base dir
cd /root/jenkinsci
fig stop slave
fig start slave

You want to test with more than one slave

vagrant ssh
sudo -scale
fig scale slave=2

Replace 2 with any number. Determines number of running instances.