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Configuring Jenkins to Send Emails on Pipeline Syntax Errors

In the case of a failed build in my Jenkins Pipeline, I receive an email through the Extended Email plugin. However, when there are syntax errors in the Pipeline, the email is not sent. For example, if I uncomment ensure {} in the code below:

		
			
		
		#!/usr/bin/env groovy
pipeline {
    agent any
    stages {
        stage('Preparation') {
            steps {
                echo 'preparing...'
            }
        }
    }
    post {
        failure {
            mailSend body: 'An error was detected', subject: 'Build Failed', to: '[email protected]'
        }
        // ensure {}
    }
}

Since ensure {} is placed incorrectly, an error occurs:

		
			
		
		org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
WorkflowScript:19:9: Unexpected input: '{' @ line 19, column 9.
        ensure {

But an email is not sent in the case of a Pipeline syntax error.

How can I ensure that I receive an email when there are syntax errors in the Pipeline?

Answers

There are many solution options, and I'm confident that my issue will be resolved with one of them.

Thank you all for your help.

Integrate Jenkins with a version control system like Git and use repository hooks to check the Jenkinsfile syntax before pushing. If errors are found, send an email notification.

Implementation Example:

Set up a pre-commit hook that verifies the Jenkinsfile syntax using jenkinsfile-linter. If the check fails, the script sends an email notification and aborts the commit.

		
			
		
		#!/bin/bash

jenkinsfile-linter < Jenkinsfile
if [ $? -ne 0 ]; then
    echo "Syntax error in Jenkinsfile" | mail -s "Commit Error" [email protected]
    exit 1
fi

This prevents syntactically incorrect Jenkinsfiles from being pushed to the repository and ensures timely notifications.

Try using external tools to monitor Jenkins, such as Nagios or Prometheus, which can track the state of builds and send notifications when errors are detected, including syntax errors.

You can use global Jenkins hooks or scripts that monitor the build status. For example, set up Jenkins Job DSL or a Pipeline Library that checks the build's success and the presence of syntax errors, sending notifications as needed.

You can also configure global notifications in Jenkins settings that trigger on any build errors, including syntax errors.

It's impossible to send an email if your post actions have incorrect syntax. However, if an error occurs in the main part of the Pipeline and the post section is correctly configured, the email will be sent.

Example Code Where Error Email Is Sent:

		
			
		
		#!/usr/bin/env groovy

pipeline {

    agent any

    stages {
        stage('Preparation') {
            steps {
                echoo_this_is_a_typo 'preparing...'
            }
        }
    }

    post {  
        failure {  
            mailExt body: 'An error was detected', subject: 'Build Failed', to: '[email protected]'
        }  
    }

}

Thank you, now I understand.