Kubernetes plugin + vanilla node/agent - classcast exception

[David Karlsen]

I have a pipeline which uses the Kubernetes Jenkins plugin:

pipeline {
  agent {
    kubernetes {
      cloud 'icp-global'
      defaultContainer 'node'
      // customWorkspace '/workspace'
      yamlFile 'buildPod.yaml'
    }

but would like to run another step outside of containers, like:

  stage('deploy') {
      steps {
        node('rhel7') { <-- outside of k8s
          sh '''
            do the thing
          '''
        }
      }
    }

But I get:

[Bitbucket] Notifying commit build result
[Bitbucket] Build result notified
java.lang.ClassCastException: hudson.plugins.swarm.SwarmSlave cannot be cast to org.csanchez.jenkins.plugins.kubernetes.KubernetesSlave
	at org.csanchez.jenkins.plugins.kubernetes.pipeline.ContainerExecDecorator$1.launch(ContainerExecDecorator.java:250)
	at hudson.Launcher$ProcStarter.start(Launcher.java:455)
	at org.jenkinsci.plugins.durabletask.BourneShellScript.launchWithCookie(BourneShellScript.java:233)
	at org.jenkinsci.plugins.durabletask.FileMonitoringTask.launch(FileMonitoring

Is this not supported?

--

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David J. M. Karlsen - http://www.linkedin.com/in/davidkarlsen

[Liejun Tao]

You may start the pipeline with agent none, the do one stage with the k8s node, another stage with the other node.

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