title: Run time create pv/pvc for each jenkins jobs running on slave agent
body: <p>I am looking to  create pv/pvc for each jenkins jobs running on slave agent on runtime. 
  Basically what I am trying to achieve is, create a pv and share it between pods and later delete it when job is done. </p>
  
  <pre><code>pipeline {
      agent {
          kubernetes {
              label 'scm'
              yaml """
                apiVersion: storage.k8s.io/v1
                kind: StorageClass
                metadata:
                  name: fast
                provisioner: kubernetes.io/gce-pd
                parameters:
                  type: pd-ssd
                ---
                apiVersion: v1
                kind: PersistentVolumeClaim
                metadata:
                  name: claim1
                spec:
                  accessModes:
                    - ReadWriteMany
                  storageClassName: fast
                  resources:
                    requests:
                      storage: 1Gi
                ---
                apiVersion: "v1"
                kind: "Pod"
                spec:
                  containers:
                    image: "jenkins/jnlp-slave:3.35-5-alpine"
                    name: "jnlp"
                    volumeMounts:
                    - mountPath: "/home/jenkins/agent"
                      name: "workspace-volume"
                      readOnly: false
                  - command:
                    - "cat"
                    tty: true
                    volumeMounts:
                    - mountPath: "/home/jenkins/wsp1"
                      name: "workspace-volume"
                      readOnly: false
                  volumes:
                    - name: "workspace-volume"
                      persistentVolumeClaim:
                        claimName: claim1
  
  
                """
              }
          }
      stages {
          stage('Checkout code') {
              agent { label 'scm'}
              steps {
                  git branch: 'master',
                  credentialsId: 'key',
                  url: 'giturl'
  
                  sh "ls -lat"
              }
          }
          stage('Build ') {
              agent {
                kubernetes {
                    label 'Build-pod'
                    yaml """
                      spec:
                        containers:
                        - name: maven
                          image: maven:3.3.9-jdk-8-alpine
                          command:
                          - cat
                          tty: true
                        volumeMounts:
                        - mountPath: "/home/jenkins/agent"
                          name: "workspace-volume"
                          readOnly: false
                      """
                }
              }
              steps {
  
                  sh "echo Workspace dir is ${pwd()}"
                  sh "mvn  clean install  
              }
          }
      }
  
  }
  </code></pre>
  
  <p>Above script does not work for obvious reasons. Do we have any other solutions. 
  and how to use runtime name for pvc and use it pod.</p>
  
  <pre><code>metadata:
   name: claim1
  </code></pre>
  
  <p>I am running jenkins helm on k8s.</p>