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and how to migrate your plugin documentation in this blogpost

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Plugin Information

View JenkinsLint on the plugin site for more information.

Detects whether your Jenkins configuration follows those best practices 

This plugin has mainly two goals:

  • To make it easier to detect issues in your Jenkins configuration that will cause Jenkins to blow up when you attempt to run those jobs.
  • To encourage discussion within the Jenkins community on the more subjective stuff. Having a set of checks to base discussion on helps drive out what we as a community think is good style.

Summary

Jenkins is an awesome Automation System, and there are a bunch of people using it in different ways, for example: developers, testers, automation, build engineers, release engineers, scrum master, product owner and so on. Unfortunately, as the number of jobs grows, maintaining them becomes tedious, and the paradigm of no using a predefined set of best practices falls apart.

The Jenkins Lint plugin attempts to solve this problem by allowing jobs to be evaluated with some predefined best practices. The goal is for your team to be able to define those best practices to be related to their project.

Manually reviewing those jobs wouldn't be too hard, but doing the same thing all over again for every new job or for a hundred other projects is where it gets difficult and tedious. This provides a much more powerful way of analyzing them.

Usage

You can find it under <jenkins_url>/jenkinslint or reach it via links in the sidepanel of the main page. You don't need to do anything else, just click on the Jenkins Lint link and those Lint checkers will be shown.



Features

List of available Job checks:

  • Artifact Publisher check
  • CleanUp Workspace check
  • Git Shallow clone check
  • Javadoc Publisher check
  • Job Assigned Label check
  • Master Assigned Label check
  • Job Description check
  • Job Log Rotator check
  • Job Name check
  • Maven Job Type check
  • Null SCM check
  • Polling SCM Trigger check
  • Multibranch Job Type check
  • Hard-coded Script check
  • Gradle Wrapper check
  • Built Timeout check

List of available Slave checks:

  • Slave description check
  • Slave label check
  • Slave version check
  • Windows slave launch check

Planned upcoming features

  • Load checks dynamically via Reflection.
  • Show graphs.
  • Configure Checks (enabled, disabled, change severity)
  • Load checks dynamically via Jenkins.
  • Jobs action to show those jenkins lints.
  • Define some kind of programmatically scripts.

Control comments:

You can ignore a particular check  by adding a trailing lint:ignore:<check name> comment to the job description.

Workaround

There is already a known issue in the initial version 0.1.0Workspace Cleanup Plugin is a required dependency otherwise JenkinsLint will fail when analyzing those Jobs

Console Output
Jul 13, 2015 10:21:06 PM hudson.ExpressionFactory2$JexlExpression evaluate
WARNING: Caught exception evaluating: it.data in /jenkinslint/. Reason: java.lang.reflect.InvocationTargetException
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)

.... Giant Stacktrack ....

        at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: hudson/plugins/ws_cleanup/WsCleanup$DescriptorImpl
        at org.jenkins.ci.plugins.jenkinslint.check.CleanupWorkspaceChecker.executeCheck(CleanupWorkspaceChecker.java:22
)
        at org.jenkins.ci.plugins.jenkinslint.JenkinsLintAction.getData(JenkinsLintAction.java:60)
        ... 112 more

There are two workarounds:

  1. Installing  Workspace Cleanup Plugin 
  2. Upgrading the JenkinsLint version

Requirements

Jenkins

Jenkins version 1.554.1 or newer is required.

Open Issues

Version history

Version 0.6.0 (Upcoming release)

  • (info)    Graphs.

Version 0.5.0 (Oct 1, 2015)

Version 0.4.0 (Aug 27, 2015)

  • (info)   Support Jenkins lint check for Jenkins Slaves (issue #30161)

Version 0.3.0 (Jul 29, 2015)

Version 0.2.0 (Jul 21, 2015)

Version 0.1.2 (Jul 15, 2015)

  • (error)  Some builders cannot be cast to hudson.tasks.CommandInterpreter (issue #29427)
  • (info)  HardcodedScript Check supports MatrixProjects (issue #29444)
  • (info)  Create unit test suite for UI

Version 0.1.1 (Jul 14, 2015)

  • (error)   Project dependency with ws-cleanup plugin (issue #29418)
  • (info)   New Check: Hardcoded Script check

Version 0.1.0 (Jul 12, 2015)

  • (info)   Initial release
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