Jenkins master ready to run Docker image (Jenkins Swarm Plugin)

Docker images for master based on Jenkins Swarm Plugin.

This images is generic, thus you can obviously re-use it within your non-related EEA projects.

Supported tags and respective Dockerfile links

• :latest (Dockerfile) (default)
• :2.332.2 (Dockerfile)

See older versions

Changes

• CHANGELOG.md

Base docker image

• hub.docker.com

Source code

• github.com

Installation

1. Install Docker.

2. Install Docker Compose.

Create new image based on production container

Update Dockerfile

Update Dockerfile - set latest version or the version that can be seen on the HTML interface in the right down corner ( ex. Jenkins ver. 2.89.4 )

Update plugins.txt

In Jenkins interface, go to Manage, then ThinBackup. Click Backup Now. Enter in shell on the container, in /var/jenkins_home/backup/jenkins ( directory is set in thinBackup Configuration) , extract and copy the contents of the installedPlugins.xml file to the Dockerfile location.

Using Rancher-cli:

$ rancher exec jenkins-master/master bash
$ cd /var/jenkins_home/backup/jenkins/FULL-<<DATE>>
$ cat installedPlugins.xml

Run:

$ python plugins.py

This will generate plugins.txt file.

Usage

$ docker run -p 8080:8080 eeacms/jenkins-master

And now you have a running Jenkins at http://localhost:8080

Advanced usage

Start Jenkins with SSL support:

Create a self-signed test SSL certificate.

$ keytool -genkey -keyalg RSA -alias selfsigned -keystore /etc/keystore.jks -storepass ToPSecRet321 -dname "cn=localhost"

Launch Jenkins

$ docker run -p 8080:8080 \
             -v /etc/keystore.jks:/etc/keystore.jks \
         eeacms/jenkins-master \
             --httpPort=-1 \
             --httpsPort=8080 \
             --httpsKeyStore=/etc/keystore.jks \
             --httpsKeyStorePassword=ToPSecRet321

or via environment variables:

$ docker run -p 8080:8080 \
             -v /etc/keystore.jks:/etc/keystore.jks \
             -e JENKINS_OPTS="--httpPort=-1 --httpsPort=8080 --httpsKeyStore=/etc/keystore.jks --httpsKeyStorePassword=ToPSecRet321" \
         eeacms/jenkins-master

See --help for more options:

$ docker run --rm eeacms/jenkins-master --help

See also EEA Jenkins master-slave orchestration for a complete guide on running a Jenkins master-slave stack.

Supported environment variables

• JAVA_OPTS You might need to customize the JVM running Jenkins master, typically to pass system properties or tweak heap memory settings. Use JAVA_OPTS environment variable for this purpose.
• JENKINS_OPTS Start Jenkins with custom options. Useful if you want to start Jenkins on https for example.

Copyright and license

The Initial Owner of the Original Code is European Environment Agency (EEA). All Rights Reserved.

The Original Code is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

Funding

European Environment Agency (EU)