pipeline {
  agent {
    kubernetes {
      cloud 'kube-cloud'
      label 'kube'
      yaml """
apiVersion: v1
kind: Pod
metadata:
  name: kube
spec:
  containers:
  - name: jnlp
    image: jenkins/jnlp-slave
"""
    }
  }

  stages {
    stage('step-in-kubernetes') {
      steps {
        sh 'echo inKubernetes'
      }
    }

    stage('step-in-agent') {
      agent {
        label 'agentX'
      }
      steps {
        sh 'echo inAgent'
      }
    }
  }
}

Running in Durability level: MAX_SURVIVABILITY
[Pipeline] podTemplate
[Pipeline] {
[Pipeline] node
Still waiting to schedule task
All nodes of label ‘kube’ are offline
Agent kube-3cqmb-dpw7t is provisioned from template Kubernetes Pod Template
Agent specification [Kubernetes Pod Template] (kube):

Running on kube-3cqmb-dpw7t in /home/jenkins/workspace/pipeline-tests
[Pipeline] {
[Pipeline] container
[Pipeline] {
[Pipeline] stage
[Pipeline] { (step-in-kubernetes)
[Pipeline] sh
[pipeline-tests] Running shell script
+ echo inKubernetes
inKubernetes
[Pipeline] }
[Pipeline] // stage
[Pipeline] stage
[Pipeline] { (step-in-agent)
[Pipeline] node
Running on Jenkins in /var/lib/jenkins/jobs/pipeline-tests/workspace
[Pipeline] {
[Pipeline] sh
[workspace] Running shell script
/bin/sh: 1: cd: can't cd to /var/lib/jenkins/jobs/pipeline-tests/workspace
sh: 1: cannot create /var/lib/jenkins/jobs/pipeline-tests/workspace@tmp/durable-0bd20381/jenkins-log.txt: Directory nonexistent
sh: 1: cannot create /var/lib/jenkins/jobs/pipeline-tests/workspace@tmp/durable-0bd20381/jenkins-result.txt.tmp: Directory nonexistent
mv: cannot stat '/var/lib/jenkins/jobs/pipeline-tests/workspace@tmp/durable-0bd20381/jenkins-result.txt.tmp': No such file or directory
EXITCODE   0process apparently never started in /var/lib/jenkins/jobs/pipeline-tests/workspace@tmp/durable-0bd20381
[Pipeline] }
[Pipeline] // node
[Pipeline] }
[Pipeline] // stage
[Pipeline] }
[Pipeline] // container
[Pipeline] }
[Pipeline] // node
[Pipeline] }
[Pipeline] // podTemplate
[Pipeline] End of Pipeline
ERROR: script returned exit code -2
Finished: FAILURE