I'm working on a Jenkins plugin that
implements org.jenkinsci.plugins.workflow.flow.GraphListener to monitor how
a pipeline is progressing. It
receives org.jenkinsci.plugins.workflow.graph.FlowNode objects. I would
like to be able to report on which agent a particular FlowNode is running
on.
How can I go from an instance of a FlowNode to
its hudson.model.Computer, hudson.model.Node, or anything else that will
tell me the agent's name? I am ok with assuming that the FlowNode is
currently executing, or is contained inside a node{} block if it helps, but
would prefer to keep it general.
I've so far tried browsing through the
related FlowExecution, FlowExecutionOwner, Queue.Executable, and Subtask
classes, but if it's in there I haven't found it.
The closest I've come so far is to use node.iterateEnclosingBlocks(). I can
find FlowNodes where an agent was allocated
with .getDisplayFunctionName().equals('node'), but not *which* agent was
allocated. I thought the WorkspaceAction action may help since it has
a getNode() method that should return the agent name as a string, but it
returns nothing:
for (FlowNode enclosing : node.iterateEnclosingBlocks()) {
WorkspaceAction ws = enclosing.getAction(WorkspaceAction.class);
if (ws != null) {
System.out.println(ws.getNode()); // outputs empty string
}
}
Can anyone direct me to the right methods/classes to get this information?
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