Hi Andres,
I found myself needing the same functionality, that is to run a few
parallel branches that initiate work elsewhere and wait for notification.
After all the branches finish I would continue the workflow. It fails with
the same error for me and the build could not be aborted, except after
Jenkins restart when it tried to resume.
This problem would be best brought to the *Jenkins Developers
(jenkinsci-...@googlegroups.com)* as it is frequented by Cloudbees
employees such as Jesse Glick who is most helpful in his answers.
What I can help you with is the closure problem where your closure
references the testName variable and ends up with the last value. You could
write the assignment like this (a closure with a parameter which is local
to the closure):
@NonCPS
def generateTestBranches (testList) {
def branches = [:]
for (testName in testList.split()) {
branches[testName] = { name ->
{ it ->
echo name
sleep 20
}
}.call(testName)
}
return branches
}
or define it beforehand and call in in the assignment
@NonCPS
def generateTestBranches (testList) {
def createBranch = { name ->
{ it ->
echo name
sleep 20
}
}
def branches = [:]
for (testName in testList.split()) {
branches[testName] = createBranch(testName)
}
return branches
}
On Sunday, September 27, 2015 at 10:25:47 PM UTC+2, Andres Rodriguez wrote:
>
> Hi Everyone,
>
> First of all, I want to say that I'm really enjoying the workflow plugin.
> Thanks for all the effort in bringing this feature to production. Specially
> loading the DSL file from a git repository allows us to auto-test our
> changes to a job through the same mechanism that we test changes to the
> code (using Gerrit).
>
> I'm currently encountering some weird behavior when generating a list of
> tests parallel branches dynamically. I've boiled it down to the following
> small test case that you can paste into the workflow script box:
>
> @NonCPS
> def generateTestBranches (testList) {
> def branches = [:]
> for (testName in testList.split()) {
> branches[testName] = {
> echo testName
> sleep 20
> }
> }
> return branches
> }
>
> def runTests (testList) {
> def testBranches = generateTestBranches(testList)
> parallel testBranches
> }
>
> runTests "test1 test2"
>
> The output of this job (it can't be aborted):
>
> Running: Execute sub-workflows in parallel : Start
> [test1] Running: Parallel branch: test1
> Aborted by anonymous <http://krussell:8080/user/anonymous>
> Aborted by anonymous <http://krussell:8080/user/anonymous>
> Aborted by anonymous <http://krussell:8080/user/anonymous>
>
>
> I've also tried replacing the "parallel testBranches" with a simple loop
> to execute the closures in the map manually (my understanding is that
> map.each is broken atm so I used a loop instead):
>
> for ( test in testBranches) {
> echo "executing ${test.key}"
> test.value()
> }
>
> And the output is as follows (note that it prints test2 instead of test1
> from inside the closure):
>
> Started by user anonymous <http://krussell:8080/user/null>
> Running: Print Message
> executing test1
> Running: Print Message
> test2
> Running: Print Message
> executing test2
> Running: Print Message
> test2
> Running: End of Workflow
> Finished: SUCCESS
>
>
> I'm not a Groovy expert (I just started learning for the workflow plugin),
> so I might be doing something dumb here. I'm trying to read the groovy docs
> to figure out if the way I'm generating the closure is an issue. But
> overall the state the system gets into seems to be pretty bad (can't abort
> the job). So I wanted to send out an email here just in case this is a
> problem with the Jenkins groovy core.
>
> Thanks again for the constant improvements to the workflow plugin.
>
> Regards,
> Andres
>
>
>
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