Is it possible to Scan a Multibranch Pipeline to detect the branches with a Jenkinsfile, but without the pipeline execution?
My projects have different branches and I don't want that all the children pipelines branches with a Jenkinsfile to start to execute when I launch a build scan from the parent pipeline multibranch.
In your Branch Sources section you can add a Property named Suppress automatic SCM triggering.
This prevents Jenkins from building everything with an Jenkinsfile.
Property Strategy -> all branches get the same... -> configure as .* and select matching branches suppress builds . other options up to you. –
Keystroke feature/* branches builds are suppressed when indexing, but the rest are not suppressed? –
Etrem Property Strategy -> all branches get the same... to feature/*, that should block feature/* branches from triggering, while allowing others to trigger. –
Keystroke 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.
f.scheduleBuild() instead of f.computation.run() runs it in background, and so it allows the script to finish for large amount of jobs. –
Wengert feature/* branches? –
Etrem If you are using job-dsl you could simply do this and it will scan everything without actually running the build the first time you index.
organizationFolder('Some folder name') {
buildStrategies {
skipInitialBuildOnFirstBranchIndexing()
}
}
ERROR: (script, line 13) No such property: skipInitialBuildOnFirstBranchIndexing for class: javaposse.jobdsl.dsl.helpers.workflow.BuildStrategiesContext –
Clements basic-branch-build-strategies is required –
Gotthard 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()
...
}
}
}
}
}
...
}
noTriggerBranchProperty is doing the job but blocks webhooks Is it possibly to have noTriggerBranchProperty together with webhook triggers? –
Stefan organizationFolder('my-folder') {
buildStrategies {
buildRegularBranches()
buildChangeRequests {
ignoreTargetOnlyChanges true
ignoreUntrustedChanges false
}
}
}
Note: plugin basic-branch-build-strategies is required
REFERENCES:
After much struggle I've found this solution, it should only avoid triggering the build when branch indexing and not disable automatic build after commit. Just add it in the first stage of your project:
when {
not {
expression {
def causes = currentBuild.getBuildCauses()
String causesClass = causes._class[0]
return causesClass.contains('BranchIndexingCause')
}
}
}
If you are using Jenkinsfiles to define your pipelines (you should be!), add the overrideIndexTriggers(false) option.
pipeline {
options {
overrideIndexTriggers(false) // disable branch indexing build trigger
}
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