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How many stages are there in Jenkins declarative pipeline?
Jenkins Declarative pipeline: Execute stage conditional on execution of previous stage Ask Question Asked1 year, 8 months ago Active1 year, 8 months ago Viewed6k times 4 1 I have a Jenkins declarative pipeline with several stages.
How to pass variables between scripts in Jenkins pipeline?
In my first stage, I have a Python script that provisions an Amazon EC2 instance that will be used to create an AMI. In the second stage, I will then configure configure my instance before finally creating an AMI and terminating the instance.
How to test conditional logic in Jenkins pipeline?
A test for the above snippet of the pipeline could look something like this: As everything is as it should be, the test simply completes with a success (as the branch defaults to ‘master’ in the framework). This code sets the variable BRANCH_NAME to development and runs the pipeline.
Is it OK to skip Stage 2 in Jenkins?
The issue is only that I can’t predict whether the condition will be satisfied in Stage 2. I don’t want to set up conditions based on the commit or message, but on the state of stages in the pipeline. Sequential execution is fine, but some stages should be skipped in some cases.
Is it possible to do if / else in Jenkins?
So the answer is, no, right now it is not possible, but, it should be fairly simple to implement this as a step and add to a plugin. I think that this is the most correct/best practice way about using if/else or control logic within your Jenkins Declarative pipeline. @IronSean answer, doesn’t seem like you need that plugin (anymore).
How to check if a branch exists in Jenkins?
Above procedure will look whether $BRANCH_NAME exists, check it out if yes and check out master otherwise. Sometimes it is easier to ask forgiveness than permission. Instead of trying to figure out whether branch b exists, just try to check it out. If it fails, checkout branch a.
How to do simple if-statements inside a declarative pipeline?
Using the Conditional BuildStep plugin you can add a when {} step to process a conditional. The following should work, barring syntax issues with the isEmpty () check within this context. The related blog post is here. EDIT: Sorry, the actual snytax seems to be closer to this, which doesn’t have access to your needed conditional: