238 lines
7.2 KiB
ReStructuredText
238 lines
7.2 KiB
ReStructuredText
Using Python-Jenkins
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====================
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The python-jenkins library allows management of a Jenkins server through
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the Jenkins REST endpoints. Below are examples to get you started using
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the library. If you need further help take a look at the :doc:`api`
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docs for more details.
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Example 1: Get version of Jenkins
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---------------------------------
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This is an example showing how to connect to a Jenkins instance and
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retrieve the Jenkins server version.
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::
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import jenkins
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server = jenkins.Jenkins('http://localhost:8080', username='myuser', password='mypassword')
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user = server.get_whoami()
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version = server.get_version()
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print('Hello %s from Jenkins %s' % (user['fullName'], version))
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The above code prints the the fullName attribute of the user and the version of
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the Jenkins master running on 'localhost:8080'. For example, it may print
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"Hello John from Jenkins 2.0".
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From Jenkins vesion 1.426 onward you can specify an API token instead of your
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real password while authenticating the user against the Jenkins instance.
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Refer to the `Jenkins Authentication`_ wiki for details about how you
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can generate an API token. Once you have an API token you can pass the API token
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instead of a real password while creating a Jenkins instance.
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.. _Jenkins Authentication: https://wiki.jenkins-ci.org/display/JENKINS/Authenticating+scripted+clients
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Example 2: Logging into Jenkins using kerberos
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----------------------------------------------
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Kerberos support is only enabled if you have "kerberos" python package installed.
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You can install the "kerberos" package from PyPI using the obvious pip command.
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.. code-block:: bash
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pip install kerberos
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.. note:: This might require python header files as well
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as kerberos header files.
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If you have "kerberos" python package installed, python-jenkins tries to authenticate
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using kerberos automatically when the Jenkins server replies "401 Unauthorized"
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and indicates it supports kerberos. That is, kerberos authentication should
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work automagically. For a quick test, just try the following.
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::
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import jenkins
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server = jenkins.Jenkins('http://localhost:8080')
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print server.jobs_count()
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.. note:: Jenkins as such does not support kerberos, it needs to be supported by
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the Servlet container or a reverse proxy sitting in front of Jenkins.
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Example 3: Working with Jenkins Jobs
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------------------------------------
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This is an example showing how to create, configure and delete Jenkins jobs.
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::
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server.create_job('empty', jenkins.EMPTY_CONFIG_XML)
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jobs = server.get_jobs()
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print jobs
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server.build_job('empty')
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server.disable_job('empty')
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server.copy_job('empty', 'empty_copy')
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server.enable_job('empty_copy')
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server.reconfig_job('empty_copy', jenkins.RECONFIG_XML)
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server.delete_job('empty')
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server.delete_job('empty_copy')
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# build a parameterized job
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# requires creating and configuring the api-test job to accept 'param1' & 'param2'
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server.build_job('api-test', {'param1': 'test value 1', 'param2': 'test value 2'})
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last_build_number = server.get_job_info('api-test')['lastCompletedBuild']['number']
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build_info = server.get_job_info('api-test', last_build_number)
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print build_info
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# get all jobs from the specific view
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jobs = server.get_jobs(view_name='View Name')
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print jobs
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Example 4: Working with Jenkins Views
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-------------------------------------
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This is an example showing how to create, configure and delete Jenkins views.
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::
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server.create_view('EMPTY', jenkins.EMPTY_VIEW_CONFIG_XML)
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view_config = server.get_view_config('EMPTY')
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views = server.get_views()
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server.delete_view('EMPTY')
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print views
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Example 5: Working with Jenkins Plugins
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---------------------------------------
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This is an example showing how to retrieve Jenkins plugins information.
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::
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plugins = server.get_plugins_info()
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print plugins
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The above example will print a dictionary containing all the plugins that
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are installed on the Jenkins server. An example of what you can expect
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from the :func:`get_plugins_info` method is documented in the :doc:`api`
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doc.
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Example 6: Working with Jenkins Nodes
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-------------------------------------
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This is an example showing how to add, configure, enable and delete Jenkins nodes.
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::
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server.create_node('slave1')
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nodes = get_nodes()
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print nodes
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node_config = server.get_node_info('slave1')
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print node_config
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server.disable_node('slave1')
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server.enable_node('slave1')
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# create node with parameters
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params = {
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'port': '22',
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'username': 'juser',
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'credentialsId': '10f3a3c8-be35-327e-b60b-a3e5edb0e45f',
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'host': 'my.jenkins.slave1'
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}
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server.create_node(
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'slave1',
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nodeDescription='my test slave',
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remoteFS='/home/juser',
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labels='precise',
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exclusive=True,
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launcher=jenkins.LAUNCHER_SSH,
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launcher_params=params)
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Example 7: Working with Jenkins Build Queue
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-------------------------------------------
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This is an example showing how to retrieve information on the Jenkins queue.
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::
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server.build_job('foo')
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queue_info = server.get_queue_info()
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id = queue_info[0].get('id')
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server.cancel_queue(id)
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Example 8: Working with Jenkins Cloudbees Folders
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-------------------------------------------------
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Requires the `Cloudbees Folders Plugin
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<https://wiki.jenkins-ci.org/display/JENKINS/CloudBees+Folders+Plugin>`_ for
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Jenkins.
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This is an example showing how to create, configure and delete Jenkins folders.
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::
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server.create_job('folder', jenkins.EMPTY_FOLDER_XML)
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server.create_job('folder/empty', jenkins.EMPTY_FOLDER_XML)
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server.copy_job('folder/empty', 'folder/empty_copy')
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server.delete_job('folder/empty_copy')
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server.delete_job('folder')
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Example 9: Updating Next Build Number
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-------------------------------------
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Requires the `Next Build Number Plugin
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<https://wiki.jenkins-ci.org/display/JENKINS/Next+Build+Number+Plugin>`_
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for Jenkins.
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This is an example showing how to update the next build number for a
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Jenkins job.
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::
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next_bn = server.get_job_info('job_name')['nextBuildNumber']
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server.set_next_build_number('job_name', next_bn + 50)
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Example 9: Working with Build Promotions
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----------------------------------------
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Requires the `Promoted Builds Plugin
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<https://wiki.jenkins-ci.org/display/JENKINS/Promoted+Builds+Plugin>`_
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for Jenkins.
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This is an example showing how to create, configure and delete a
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promotion process for an existing job.
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The job in this example is named *prom_job* and it needs to have this
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config xml snippet before creating the promotion:
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::
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<properties>
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<hudson.plugins.promoted__builds.JobPropertyImpl>
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<activeProcessNames>
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<string>prom_name</string>
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</activeProcessNames>
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</hudson.plugins.promoted__builds.JobPropertyImpl>
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</properties>
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where *prom_name* is the name of the promotion that will get added to the job.
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::
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server.create_promotion('prom_name', 'prom_job', jenkins.EMPTY_PROMO_CONFIG_XML)
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server.promotion_exists('prom_name', 'prom_job')
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print server.get_promotions('prom_job')
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server.reconfig_promotion('prom_name', 'prom_job', jenkins.PROMO_RECONFIG_XML)
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print server.get_promotion_config('prom_name', 'prom_job')
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server.delete_promotion('prom_name', 'prom_job')
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