Re: Setting envrioment variables from plugin running in pipeline script

[Jesse Glick]

On Sun, Mar 5, 2017 at 3:35 AM,   wrote:
> run.addAction(new
> VariableInjectionAction("BUILDMASTER_APPLICATION_ID", applicationId));

Well what is this `VariableInjectionAction`?

See JENKINS-29144 / JENKINS-29537 / JENKINS-42499.

Currently `SimpleBuildStep` is not well suited to tasks which _return_
information to the build. You are probably better off creating a
Pipeline-specific `SynchronousNonBlockingStepExecution` or similar, so
that the script can assign the return value to a local variable,
rather than going through magical environment variable names—which
anyway will be confusing if called multiple times, and totally unsafe
if those calls are from `parallel` branches.

In other words there is a good chance that the design of the plugin as
conceived for freestyle projects just does not make sense for Pipeline
in general.

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Setting envrioment variables from plugin running in pipeline script

[andrew . sumner]

I have a plugin I've been updating to support pipeline script (with some 
help from this forum - thanks guys!).  During testing I discovered that the 
plugin is not setting environment variables when run from a pipeline 
script, but works fine in a freestyle job.

Can anyone suggest anything I might have overlooked?

Thanks in advance
  Andrew


*Pipeline Script*

This outputs an empty value for %BUILDMASTER_APPLICATION_ID%.

node {
buildMasterSelectApplication applicationId: '1', deployableId: '1'
bat 'echo BUILDMASTER_APPLICATION_ID = %BUILDMASTER_APPLICATION_ID%'
}


*Code*

This is how I'm setting the environment variable

public class SelectApplicationBuilder extends Builder implements 
SimpleBuildStep {

@Override
public void perform(Run run, FilePath workspace, Launcher 
launcher, TaskListener listener) throws InterruptedException, IOException {
run.addAction(new 
VariableInjectionAction("BUILDMASTER_APPLICATION_ID", applicationId));
} 
}



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