Custom notification logic in Jenkins - Mini Project: Build & Apply

Custom notification logic

📖 Scenario: You are managing a Jenkins pipeline that builds software projects. You want to send notifications only when the build fails or is unstable, to avoid spamming your team with success messages.

🎯 Goal: Create a Jenkins pipeline script that defines a custom notification logic. It should check the build status and send a notification only if the build result is FAILURE or UNSTABLE.

📋 What You'll Learn

Create a variable buildStatus with the current build result.

Define a list notifyStatuses containing FAILURE and UNSTABLE.

Write a conditional block that sends a notification only if buildStatus is in notifyStatuses.

Print a message indicating whether a notification was sent or skipped.

💡 Why This Matters

🌍 Real World

In real Jenkins pipelines, you often want to notify your team only when something goes wrong or needs attention, not on every successful build.

💼 Career

Understanding custom notification logic helps DevOps engineers reduce noise and improve communication in continuous integration workflows.

1

Set the build status variable

Create a variable called buildStatus and set it to the string FAILURE to simulate a failed build.

Jenkins

# Create a variable called buildStatus and set it to 'FAILURE'
buildStatus = ''  # Your code here

Need a hint?

Use buildStatus = 'FAILURE' to assign the string.

2

Define notification statuses

Create a list called notifyStatuses containing the strings 'FAILURE' and 'UNSTABLE'.

Jenkins

buildStatus = 'FAILURE'
# Create a list called notifyStatuses with 'FAILURE' and 'UNSTABLE'
notifyStatuses = []  # Your code here

Need a hint?

Use square brackets to create the list: ['FAILURE', 'UNSTABLE'].

3

Add custom notification logic

Write an if statement that checks if buildStatus is in notifyStatuses. Inside the block, assign notificationSent the value True. Otherwise, assign notificationSent the value False.

Jenkins

buildStatus = 'FAILURE'
notifyStatuses = ['FAILURE', 'UNSTABLE']
# Add if statement to set notificationSent based on buildStatus
notificationSent = False  # Your code here

Need a hint?

Use if buildStatus in notifyStatuses: to check membership.

4

Print notification result

Write a print statement that outputs "Notification sent" if notificationSent is True, otherwise print "Notification skipped".

Jenkins

buildStatus = 'FAILURE'
notifyStatuses = ['FAILURE', 'UNSTABLE']
if buildStatus in notifyStatuses:
    notificationSent = True
else:
    notificationSent = False
# Print notification status
# Your code here

Need a hint?

Use if notificationSent: to decide what to print.