How to use post steps with Jenkins pipeline on multiple agents?

Question

When using the Jenkins pipeline where each stage runs on a different agent, it is good practice to use agent none at the beginning:

pipeline {
          


        

Answer 1

wrap the step that does the mailing in a node step:

post {
  always {
    node('awesome_node_label') {
      step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "test@test.com", sendToIndividuals: true])
    }
  }
}