Build Flow DSL parallel

[Bob Bick]

Hi,

When running a Build Flow DSL with parallel jobs, I am getting the following 
error message:

ERROR: Failed to run DSL Script
groovy.lang.MissingMethodException<http://stacktrace.jenkins-ci.org/search?query=groovy.lang.MissingMethodException>:
 No signature of method: com.cloudbees.plugins.flow.FlowDelegate.paralllel() is 
applicable for argument types: (Script1$_executeBuild_closure4, 
Script1$_executeBuild_closure5) values: [Script1$_executeBuild_closure4@71be63, 
Script1$_executeBuild_closure5@18a621e]
Possible solutions: parallel([Lgroovy.lang.Closure;), 
parallel(java.util.Collection), parallel(java.util.Map)
         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
Method)
         at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
         at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
         at java.lang.reflect.Constructor.newInstance(Constructor.java:525)

I understand why I am getting this error... it makes total sense... but let me 
explain what I am trying to do...

I encapsulated builds in a method named 'myBuild' so that I did not have to 
repeat DSL logic (i.e. I can skip and ignore steps based on properties).

myBuild(projectMap,releaseBuild) {
    if (projectMap['skip']) {
        println "Skipping "+projectMap['name']+" "+projectMap
    } else {
        println "Building "+projectMap+" ; releaseBuild=${releaseBuild}"
        if (projectMap['ignore']) {
            ignore(FAILURE) {
                build(projectMap['jenkinsProject'], 
GIT_BRANCH_OR_TAG:projectMap['branch'], RELEASE_BUILD: releaseBuild)
            }
        } else {
            build(projectMap['jenkinsProject'], 
GIT_BRANCH_OR_TAG:projectMap['branch'], RELEASE_BUILD: releaseBuild)
        }
    }
}

Then, my DSL was very simple:

// set up a project Map that specifies whether to ignore failures or skip 
steps. Also, set up the releseBuild Boolean parameter.
...
// Here is a snippet of DSL code that "blows up" with 
groovy.lang.MissingMethodException<http://stacktrace.jenkins-ci.org/search?query=groovy.lang.MissingMethodException>
parallel {
  { myBuild(projectMap['project1'],releaseBuild) },
  { myBuild(projectMap['project2'],releaseBuild) },
  { myBuild(projectMap['project3'],releaseBuild) }
}

Using my technique, the DSL is concise and very flexible. This is my first time 
using the Build Flow Plugin so I am wondering whether anyone else had tried to 
do this type of thing and whether they found a workaround... I know I can get 
it to work without using the myBuild method; however, if I could make use of 
that method, it would greatly simplify the DSL and make it much more 
maintainable.

Any ideas?

Thanks for taking the time to read this.

Bob

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