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Installation

To install Jenkins Job Builder, run:

sudo python setup.py install

The OpenStack project uses puppet to manage its infrastructure systems, including Jenkins. If you use Puppet, you can use the OpenStack Jenkins module to install Jenkins Job Builder.

Documentation

Documentation have been included and are in the 'doc' folder. To generate docs locally execute the command:

tox -e venv -- python setup.py build_sphinx

Unit Tests

Unit tests have been included and are in the 'tests' folder. We recently started including unit tests as examples in our documentation so to keep the examples up to date it is very important that we include a unit tests for every module. You can run the unit tests by execute the command:

tox -epy27

*Note - view tox.ini to run test on other versions of python

Configuration File

After installation, you will need to create a configuration file. By default, jenkins-jobs looks in /etc/jenkins_jobs/jenkins_jobs.ini but you may specify an alternate location when running jenkins-jobs. The file should have the following format:

[jenkins]
user=USERNAME
password=PASSWORD
url=JENKINS_URL

user: This should be the name of a user previously defined in Jenkins. Appropriate user permissions must be set under the Jenkins security matrix: under the Global group of permissions, check Read, then under the Job group of permissions, check Create, Delete, Configure and finally Read.
password: The API token for the user specified. You can get this through the Jenkins management interface under People -> username -> Configure and then click the Show API Token button.
url: The base URL for your Jenkins installation.

Running

After it's installed and configured, you can invoke Jenkins Job Builder by running jenkins-jobs. You won't be able to do anything useful just yet without a configuration which is discussed in the next section.

Usage

jenkins-jobs --help

Testing JJB

Once you have a configuration defined, you can test the job builder by running:

jenkins-jobs test /path/to/config -o /path/to/output

That will write XML files to the output directory for all of the jobs defined in the configuration directory.

Updating Jenkins

When you're satisfied with the generated xml from the test, you can run:

jenkins-jobs update /path/to/config

Which will upload the configurations to Jenkins if needed. Jenkins Job Builder maintains, for each host, a cache¹ of previously configured jobs, so that you can run that command as often as you like, and it will only update the configuration in Jenkins if the defined configuration has changed since the last time it was run. Note: if you modify a job directly in Jenkins, jenkins-jobs will not know about it and will not update it.

To update a specific list of jobs, simply pass them as additional arguments after the configuration path. To update Foo1 and Foo2 run:

jenkins-jobs update /path/to/config Foo1 Foo2

Footnotes

The cache default location is at ~/.cache/jenkins_jobs, which can be overridden by setting the XDG_CACHE_HOME environment variable.↩︎

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