Sample CI / Ansible Setup

VagrantFile and provisioning

Vagrant file spins up two servers ci and app. On the ci server, we install ansible (with yum).

The ci server is set up as a node in Jenkins.

Need to generate a private key on ci.

ssh-keygen -t rsa -b 4096 -C "odm-ci"

ssh into ci

vagrant ssh ci

ssh into app

vagrant ssh app

To start jenkins

docker run -d -v jenkins_home:/var/jenkins_home -p 8080:8080 -p 50000:50000 -v /var/run/docker.sock:/var/run/docker.sock -v /usr/local/bin/docker:/usr/local/bin/docker jenkins/jenkins:lts

There is a docker-compose file, but I usually use the command, and it remembers my settings, somehow the docker-compose file would make me set up a new jenkins instance.

Keys and such

Two keys are generated jenkins_key and jenkins_slave_key.

jenkins_key

private key is set up as a credential in jenkins. public key is added to authorized_keys in ci server

jenkins_slave_key