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I´m starting to create my pipeline multibranch environment but i have founded a problem.

Can I run a build scan only to detect the branches with a Jenkinsfile but without the pipeline execution?

My projects have different branches and i dont want when i launch a build scan from the parent pipeline multibranch all the children pipelines foreach branches with a Jenkinsfile starts to execute.

Thanks by the help!

In your Branch Sources section you can add a Property named Suppress automatic SCM triggering.

This prevents Jenkins from building everything with an Jenkinsfile.

Jenkins: Scan Multibranch Pipeline Without Build, How to scan multibranch pipeline in Jenkins without build (suppress build trigger)​. Can I run a build scan only to detect the branches with a Jenkinsfile but without the pipeline execution? My projects have different branches and i dont want when i launch a build scan from the parent pipeline multibranch all the children pipelines foreach branches with a Jenkinsfile starts to execute.

Also, you can do it programatically

import jenkins.branch.*
import jenkins.model.Jenkins


for (f in Jenkins.instance.getAllItems(jenkins.branch.MultiBranchProject.class)) {
  if (f.parent instanceof jenkins.branch.OrganizationFolder) {
    continue;
  }
  for (s in f.sources) {
    def prop = new jenkins.branch.NoTriggerBranchProperty();
    def propList = [prop] as jenkins.branch.BranchProperty[];
    def strategy = new jenkins.branch.DefaultBranchPropertyStrategy(propList);
    s.setStrategy(strategy);
  }

  f.computation.run()
}

This is a Groovy snippet you can execute in Jenkins, it's gonna do the scanning but will not start new "builds" for all discovered branches.

Scan of multibranch pipeline always triggers every detected branch , The creation of the jobs works fine, but whenever I restart Jenkins and the next multibranch pipeline scan is triggered, all jobs are being executed  Without check this option, Jenkins loads the files from the target node (slave/agent or master). Loading the files from the master may enable you to avoid conflicts between to have a generic path, such as the problematic between Windows and Linux when your job is not attached to a specific node.

To add to @Stqs's answer, you could also set noTriggerBranchProperty it using Job DSL plugin, e.g.:

multibranchPipelineJob('example') {
  ...
  branchSources {
    branchSource {
      ...
      strategy {
        defaultBranchPropertyStrategy {
          props {
            // Suppresses the normal SCM commit trigger coming from branch indexing
            noTriggerBranchProperty()
            ...
          }
        }
      }
    }
  }
  ...
}

Best way to reload job settings from Jenkinsfile without triggering a , I have a jenkins job of type multibranch pipeline, scanning these that updated settings done in Jenkinsfile are picked up without executing it ? I wanted to configure Multibranch Pipeline Job at Jenkins using jenkins.yml file. Here is fragment of my configuration: multibranchPipelineJob('<jenkins-job-name>;') { branchSources

If you are using job-dsl you could simply do this and it will scan everything without actually running the build

organizationFolder('Some folder name') {
  buildStrategies {
    skipInitialBuildOnFirstBranchIndexing()
  }
}

[JENKINS-44172] Better scan of multibranch pipelines, Multibranch pipeline jobs scans for new branches and creates and removes But: By doing that, Jenkins doesn't read the Jenkinsfile and doesn't find a command like Load Jobs into Jenkins from SCM; Execute these Jobs. I know that under the "Scan Multibranch Pipeline Triggers" option you can set how often Jenkins will look for changes, but I would prefer it to be the other way around, meaning that once new code is in the branch then Jenkins will build the pipeline.

Branches and Pull Requests, The Multibranch Pipeline project type enables you to implement manages and executes Pipelines for branches which contain a Upon Save, Jenkins automatically scans the designated  The Multibranch Pipelineproject type enables you to implement differentJenkinsfiles for different branches of the same project. In a Multibranch Pipeline project, Jenkins automatically discovers, manages andexecutes Pipelines for branches which contain a Jenkinsfilein source control. This eliminates the need for manual Pipeline creation and management.

End-to-End Multibranch Pipeline Project Creation, In order to execute Docker commands inside Jenkins nodes, download and run Use the Scan Multibranch Pipeline Now feature in the Multibranch Pipeline  Jenkins; JENKINS-59795; Option to skip any builds after indexing multibranch pipeline.

Skip Builds On Branch Indexing with Jenkins Multibranch Pipelines , Jenkins has the ability to set up a multibranch pipeline which allows you to you'​ll likely have needed to hit the Scan Multibranch Pipeline Now , which execute this before anything else, including requesting any time on an  Trigger a multibranch jobs scan that matches the token; Configure the Token parameter. There is a special token parameter. When supplied, the invocation will only trigger jobs with that exact token. The token also allows invocations without any other authentication credentials. The token can be supplied as a:

Comments
  • ohhhhh! thanks you very much!. this is which i need :)
  • This seems to not only prevent jobs from executing as result of a scan (which is what you want), but also prevents them from executing as part of a commit to the source branch (which you probably don't want). In other words, this change blocks any Git Hooks from triggering a build.
  • @AndrewCruickshank any way to do this but keep the web hooks working??
  • It doesn't block a git hook if you use curl + auth token to trigger a build.
  • I can't find this, is it deprecated? What is the alternative?
  • this is a groovy snippet you can execute in Jenkins it gonna do the scanning but will not start new "builds" for all discovered branches
  • where do I put this?
  • @FadelTrivandiDipantara basically you put it into $JENKINS_HOME/init.groovy.d folder and then when you start your Jenkins - it gonna execute all scripts from this folder. if you already have a jenkins up and running you can go to Jenkins -> Script Console and try to execute that code there.
  • can be executed also in the Jenkins Admin > Nodes > Master and open Script Console