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Continuous Delivery

The aim of this project is to deliver a live demo environment for showing working examples of Continuous Delivery. It consist of an ecosystem of a CoreOS cluster and a set of Docker containers that together provides the following servers:

  • Jenkins
  • Nexus
  • Sonar
  • Protractor + Selenium
  • Tomcat (Test and Prod)

Overview of the CD ecosystem

cd-ecosystem-overview

Getting Started

Prerequisites

  1. Virtualbox installed, version >= 5.0.12
  2. Vagrant installed, version >= 1.8.1
  3. Windows Only: Cygwin with rsync binary (selectable in the setup)

Issues and workarounds

  1. rsync file or folder not found: ln -s /cygdrive/c /c; ln -s /cygdrive/d /d
  2. mm_receive_fd: no message header error: hashicorp/vagrant#6702

Start the CoreOS Cluster (single node)

  1. Clone the Git repo
  2. change directory to vagrant
  3. vagrant up

After Vagrant has finished, Jenkins needs some time to startup...

Port numbers and default username's and password

App URL User Password
Jenkins http://localhost:8080
Sonar http://localhost:9000 admin admin
Nexus http://localhost:8081 admin admin123
SportsQuest demo app on Tomcat (Test) http://localhost:8888/sportsquest
SportsQuest demo app on Tomcat (Production) http://localhost:9999/sportsquest

Login into the running CoreOS machine

vagrant ssh

Now you can execute Docker commands. Like show all running containers:

docker ps

Or update after Jenkins Docker image changes:

sudo ./scripts/reload-jenkins.sh

Or copy the Jenkins configuration files over to the shared tmp folder.

./scripts/copy-jenkins-config.sh

Update after Docker image update

By using Vagrant:
vagrant reload --provision
or by using CoreOS:

Stop the relavant service, pull the new docker image and start the service:

sudo systemctl stop <servicename>
docker pull <dockerimage>
sudo systemctl start <servicename>

Docker container overview

overview image Please note:

  • The links specified in the image are Docker links using the --link option (http://docs.docker.com/engine/userguide/networking/default_network/dockerlinks/)
  • The ordina-cd/* images are build locally and only exists within the CoreOS system.
  • Images without a explicit version are implicitly using their latest version
  • The Sportquest container on port 8888 is only online during the regression tests

Jenkins info

Jenkins contains the docker-build-step plugin and is configured to communicate with the docker host running at the CoreOS machine. The Jenkins container is started with a volume parameter that makes the Docker socket available within the Jenkins container.