Couple of approaches:
You could use the External Workspace Manager plugin:
https://jenkins.io/doc/pipeline/steps/external-workspace-manager/
Or as Robert suggested use the ws(){} block, this should give a guarantee on
the workspace but you’ll need to confirm that you’re not about to fill up your
node’s disks with old workspaces:
Something along the lines of:
def sharedWorkspace = “/shared-workspace/${JOB_NAME}/${BUILD_NUMBER}”
node(‘A’){
ws(sharedWorkspace){
//do stuff
}
}
node(‘B’){}
node(‘A’){
ws(sharedWorkspace){
//do more stuff
}
}
From: Robert Hales
Sent: 30 October 2017 03:04
To: Jenkins Users
Subject: Re: Using the same label multiple times in pipeline
If you have multiple nodes with a label of A, you will need to declare a
variable to hold the name of the specific node you ended up on in the first
"node" declaration, and then use that node in the third one:
def allocatedNode
node('A') { allocatedNode = $NODE_NAME } //NODE_NAME is an environment variable
provided by Jenkins
node('B') {}
node($NODE_NAME) {}
HOWEVER, be aware that this isn't always a safe thing to do, depending on what
your goal is. There is no guarantee that the workspace that was used in the
first node block will still be there when the third block gets there. Even if
it is, there is no guarantee that the third block will use the original
workspace. It probably will most of the time, but not guaranteed. Depending on
what you are doing, you may need to allocate a custom workspace (still not a
guaranteed solution), move to a separate directory, stash/unstash the things
you need between nodes, or some other solution.
On Sunday, October 29, 2017 at 8:51:02 PM UTC-6, Daniel Becroft wrote:
Hi,
I'm experimenting with the scripted pipeline, and have a question about the use
of node('') with a label. If I have the following scenario:
node('A') { }
node('B') { }
node('A') { // Which node will be used here? }
Is there any guarantee that the second node() step for "A" will hit the same
slave as the first one, or will it use whichever slave is now available? I'd
like for the first node() to allocate one from the pool of slaves with the
label of "A", but then the second one to somehow reuse the first one (there
might be some cleanup tasks, etc that need to happen on the original node).
Cheers,
Daniel B.
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