What is the programmatic way to disconnect a node in Jenkins?

问题

I want to accomplish, through a script using the Jenkins API, the equivalent of manually clicking on the "Disconnect" link on the node management page in Jenkins. I want to add this code to a script I made using the Pipeline scripting plugin.

In other words, as a user with Jenkins admin privileges, do

Manage Jenkins -> Manage Nodes -> Click on a node -> Click on "Disconnect"

As in:

I do not want to do the equivalent of "temporarily mark this node as offline".
That is not useful to me.

回答1:

I don't see anything in the pipeline-model-definition-plugin regarding node management.

So an alternative approach would be to call the disconnect action through the Jenkins API from the pipeline.

• The Jenkins API for disconnect is:

  http://[jenkins_url]:8080/computer/[slave_name]/doDisconnect?offlineMessage=bye
  

• Making a Jenkins API call from a pipeline is done through the JENKINS HTTP Request Plugin:

  def response = httpRequest "http://..."
  

回答2:

The hudson.model.Computer class has a disconnect(DisconnectReason) method

Here are the docs for this

In my case, I was able to acquire the Computer instance and disconnect by using Jenkins.instance.getNode(...).getComputer().disconnect(...)

来源：https://stackoverflow.com/questions/44097002/what-is-the-programmatic-way-to-disconnect-a-node-in-jenkins