Jenkins when expression multiple conditions. If the when directive contains more than one condition, all the child conditions must return Apr 11, 2022 · I am trying to write when statement in the single stage block in Jenkinsfile. Starting with basic examples and progressing to more complex scenarios, this cheat sheet provides a solid foundation for using Jenkins Pipeline effectively. I know it's not the correct way to write. #!/usr/bin/env groovy pipeline { agent any parameters { choice( choices: 'a\nb\n\c\n\d\ne\nf', description: 'name of the student', name: 'name This article explains the use of built-in `when` conditions in Jenkins Declarative Pipelines to control stage execution based on specific criteria. Testing the condition The test frameworks we have selected (Jenkins PipelineUnit, Spock and pipelineUnit) support the majority of these conditions, but it is still incomplete. Jun 23, 2023 · In this article, I want to explain When Conditions in Jenkins pipelines. I'm Oct 28, 2022 · Jenkins Or condition in when block Asked 2 years, 11 months ago Modified 2 years, 11 months ago Viewed 1k times Jan 19, 2017 · The Conditional BuildStep plugin is a powerful tool that has allowed Jenkins users to write Jenkins jobs with complex conditional logic. 2 == 'true' } } Does anyone know of another way of going about this? May 17, 2018 · I am trying to build a jenkins pipeline where I have a choice parameter with n choices and want to create a stage which does something when some values from the choice parameter are selected I have something like below but doesn't seem to work. As you become more familiar with the syntax, you’ll find it simpler to tailor Jenkinsfiles to your specific needs. Apr 22, 2021 · Jenkins Pipeline with conditional "When" expression of choice parameters Asked 4 years, 4 months ago Modified 4 years, 4 months ago Viewed 25k times Sep 5, 2021 · In this article of the Jenkins tutorial series, I intend to explain When Conditions in Jenkins pipelines. Can I insert both in the same expression wit Feb 3, 2024 · Understanding the syntax of Jenkins Pipeline allows you to automate your CI/CD workflows efficiently. Dec 4, 2023 · cruyra (CESAR) January 9, 2024, 7:11am 4 if I use this pipeline I have the variables but it doesn’t fit in the When I don’t know if the conditional expression is correct. This repo is a special repo that I Apr 12, 2018 · As far as declarative pipelines go in Jenkins, I'm having trouble with the when keyword. They let sections of your pipeline […] Feb 6, 2024 · Learn to use conditional constructs such as if-else by writing a set of Jenkins pipelines primarily in the Groovy language. Dec 13, 2018 · Declarative Pipeline - Use of when condition, how to do nested conditions anyOf/allOf/not Asked 6 years, 10 months ago Modified 6 years, 10 months ago Viewed 92k times The basic statements and expressions which are valid in Declarative Pipeline follow the same rules as Groovy’s syntax with the following exceptions: Dec 27, 2023 · Jenkins pipelines give you fine-grained control over your CI/CD workflows through code. Aug 1, 2022 · You have 2 assignments in the conditions (=) which will resolve to whatever master and apply are assigned to. In this post, we’ll take a look at how we might converting Freestyle jobs that include conditional build steps to Jenkins Pipeline. Jenkins pipeline multiple if statement In Jenkins declarative/scripted pipeline, we can define multiple if-else blocks and use them in the Pipeline as per the use case. I keep getting the error No such DSL method 'when' found among steps. . How can you do that? The answer is When Conditions. Unlike Freestyle jobs, implementing conditional operations in Jenkins Pipeline is trivial, but matching the behavior of Feb 14, 2018 · But that doesn't look better than wrapping it in a 'script' statement, because you would even maintain the condition twice. Sep 6, 2022 · Using a conditional expression, you can control Jenkins stage to run when a condition is validated. But many newcomers struggle to master key aspects like leveraging if-else logic to control script flow. And it's two separate stages that appear in your pipeline. This repo is a particular […] Oct 4, 2025 · Why is Conditional Logic Important in Jenkins Pipeline? Proceeding without understanding conditional logic, especially the `when` syntax, in your Jenkinsfile (the Jenkins pipeline definition file) can lead to unintended pipeline execution and difficulties setting complex conditions. y is true. One of the most powerful aspects is the when expression. Per Pipeline Syntax, when is only allowed within a stage. It's a declarative pipeline script. The when directive must contain at least one condition. return true } } // "not" - contains 1 nested condition and will resolve to true // if the nested condition is false. If you are interested in this tutorial series, STAR ize the following GitHub repo. Through real-world examples and comparative analysis, this comprehensive guide aims to demystify working with conditional logic in Jenkinsfile for users of […] May 16, 2017 · Conditional environment variables in Jenkins Declarative Pipeline Asked 8 years, 5 months ago Modified 3 years, 3 months ago Viewed 96k times May 27, 2019 · I would recommend using one or two conditions at best, to keep the pipeline easily understandable for all users. Imagine you want to execute pipeline stages when a condition or some conditions are met. In particular, I need to check when params. The when directive allows the Pipeline to determine whether the stage should be executed depending on the given condition. Suppose you want to execute pipeline stages when a condition or some conditions are met. The pipel Correct - I am more concerned with the process of using the readfile vs using a variable i can set once somewhere instead of reading the file multiple times (once per stage with approximately 10 stages). Anyway, readability should be the goal. 1 == 'value' && params. In pseudocode: pipeline{ stages{ stag Jan 12, 2021 · I would evaluate two conditions in "when" syntax of my Jenkinsfile. keeganb_23 When expression equals multiple params Jenkins pipeline Hi there, I'm having an issue when, for example two parameters are true during a when conditional stage: Example: when { expression { params. Jul 12, 2019 · stage('My Conditional Stage') { when { branch 'master' } steps { echo 'Do that only on master branch' } } For Scripted pipeline ; if value of i is 0 then we need skip the stages ; obviously we can put a conditional logic by surrounding the stage but if we do that the UI doesn't show it like it skipped allOf { branch "master" expression { // REGRESSION: JENKINS-42829 - methods defined elsewhere in // the Jenkinsfile currently can't be used in "when" "expression"s. The conditional operator is not =! but !=. Below is the code snipped, which a user can use to define the multiple if-else blocks in Jenkins. So, let’s get started. Some of these stages need to be executed based on whether a previous stage has been executed. If you are interested in this tutorial series, STAR the following GitHub repo. x is true and params. Example declarative pipelines for Jenkins. Dec 27, 2023 · As Jenkins has become the leading open source automation engine, adoption of its pipeline syntax continues rapid growth. I have tried to write as below. On the other hand, you can also pause the script for user input when running a stage. Sep 19, 2024 · The “when” condition in Jenkins pipelines is a powerful feature that provides flexibility and control over your build process. By leveraging this directive, you can optimize your pipeline, reduce redundant tasks, and ensure that specific stages run only when required. Nov 11, 2021 · "Can we apply 'when' condition in 'stages' of a Jenkinsfile?" No. It will, however, correctly interpret the boolean conditions. I have a Jenkins declarative pipeline with several stages. Contribute to cvitter/jenkins-pipeline-examples development by creating an account on GitHub. In this tutorial, we’ll explain what are conditions, user input confirmation, and How does Jenkins handle them? Find out here! Jun 7, 2016 · Condition in a step of a declarative pipeline's stage If you however need a condition within the steps section of a stage, you can use Groovy syntax (if/else in this case) that is used in Scripted pipelines. not { branch "some-other-branch-entirely" } } } steps { Feb 16, 2018 · The two approaches I can think of are : 1) Use a different jenkins file in each branch 2) Use a series of when {branch 'X'} blocks in the jenkins file The first approach mean I'll need to be careful when merging branches which I know I'll forget to be at some point. But what exactly does this little conditional statement do? In short, Jenkinsfile when expressions allow you to control the flow of your pipeline based on certain criteria. fb rif3ku shc4vr sq86s btoha 3ck 6l 7zbub skyk fqg9nzma