Send an email on Jenkins pipeline failure

Question

How can I add to a Jenkins pipeline an old-style post-build task which sends email when the build fails? I cannot find "Post-build actions" in the GUI for a pipeline. I know that I can wrap the entire build script try/catch, however, this seems ugly when the build script is large and continues to send emails even when the job was aborted manually. I would like to achieve the same functionality as with the previous email-ext based post-build action.

try {     // Do sth } catch(e) {     emailext body: '$DEFAULT_CONTENT',          recipientProviders: [             [$class: 'CulpritsRecipientProvider'],             [$class: 'DevelopersRecipientProvider'],             [$class: 'RequesterRecipientProvider']         ],          replyTo: '$DEFAULT_REPLYTO',          subject: '$DEFAULT_SUBJECT',         to: '$DEFAULT_RECIPIENTS'     throw err } 

Answer 1

This answer worked on my Jenkins ver. 2.96.

Jenkins pipeline email not sent on build failure - Stack Overflow

 pipeline {        agent any        stages {            stage('Test') {                steps {                    sh 'echo "Fail!"; exit 1'                }            }        }        post {            always {                echo 'This will always run'            }            success {                echo 'This will run only if successful'            }            failure {                mail bcc: '', body: "<b>Example</b><br>Project: ${env.JOB_NAME} <br>Build Number: ${env.BUILD_NUMBER} <br> URL de build: ${env.BUILD_URL}", cc: '', charset: 'UTF-8', from: '', mimeType: 'text/html', replyTo: '', subject: "ERROR CI: Project name -> ${env.JOB_NAME}", to: "[email protected]";            }            unstable {                echo 'This will run only if the run was marked as unstable'            }            changed {                echo 'This will run only if the state of the Pipeline has changed'                echo 'For example, if the Pipeline was previously failing but is now successful'            }        }    } 

Answer 2

For taking action only when build status has changed you can use the post > changed block.

And for checking, what state the status has changed to you can use the script block in combination with checking the value of currentBuild.currentResult property.

Like so:

pipeline {     ...      post {         changed {             script {                 if (currentBuild.currentResult == 'FAILURE') { // Other values: SUCCESS, UNSTABLE                     // Send an email only if the build status has changed from green/unstable to red                     emailext subject: '$DEFAULT_SUBJECT',                         body: '$DEFAULT_CONTENT',                         recipientProviders: [                             [$class: 'CulpritsRecipientProvider'],                             [$class: 'DevelopersRecipientProvider'],                             [$class: 'RequesterRecipientProvider']                         ],                          replyTo: '$DEFAULT_REPLYTO',                         to: '$DEFAULT_RECIPIENTS'                 }             }         }     }  }