Hi all,
I've been trying out the workflow plugin after watching the
pimp-your-continuous-delivery-pipeline-with-jenkins-workflow-wjax-14
<http://www.slideshare.net/cloudbees/pimp-your-continuous-delivery-pipeline-with-jenkins-workflow-wjax-14>
demo.
And in one of the slides (24), there is an example of a for loop that looks
to iterate over a list of hostnames. I've assumed that hostnames is a list
def hostnames = ["192.168.0.1", "192.168.0.2"]
for( def hostname: hostnames ) {
sh "ssh ${hostname} ..."
}
I'm wondering if anyone can help with my usage of arrays/lists. I'm getting
the following errors when I try the above:
java.io.NotSerializableException: java.util.AbstractList$Itr
Now I understand from the docs
(https://github.com/jenkinsci/workflow-plugin/blob/master/TUTORIAL.md#serialization-of-local-variables)
that some variables can't be serialized before a "sh" step might happen, but
as I'm new to groovy I'm struggling to understand how the above might be
achieved. I've tried in a method and inline as suggested.
The workaround I have at the moment is
def hostnames = ["192.168.0.1", "192.168.0.2"]
for( int i = 0; i < hostnames.size(); i++) {
sh "ssh ${hostnames.get(i)} ..."
}
Any pointers would be much appreciated
Thanks
Robin
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