Hybrid CI/CD approaches in Jenkins - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a Jenkins pipeline stage named 'Build'.

Jenkins

stage('[1]') {
    steps {
        echo 'Building the project'
    }
}

Drag options to blanks, or click blank then click option'

ABuild

BTest

CDeploy

DClean

Attempts:

3 left

💡 Hint

Common Mistakes

Using a wrong stage name like 'Test' instead of 'Build'.

The stage name should be 'Build' to represent the build step in the pipeline.

2fill in blank

medium

Complete the code to trigger a Jenkins pipeline only when a commit is pushed to the 'main' branch.

Jenkins

pipeline {
    agent any
    triggers {
        pollSCM('[1]')
    }
    stages {
        stage('Build') {
            steps {
                echo 'Building...'
            }
        }
    }
}

Drag options to blanks, or click blank then click option'

Amain

Brefs/heads/main

CH/5 * * * *

D*/15 * * * *

Attempts:

3 left

💡 Hint

Common Mistakes

Using branch names like 'refs/heads/main' as pollSCM argument.

The trigger should specify a cron expression for polling SCM, such as 'H/5 * * * *'. Branch filtering is not done in pollSCM but in SCM configuration.

3fill in blank

hard

Fix the error in the Jenkins pipeline code to correctly define an environment variable.

Jenkins

pipeline {
    agent any
    environment {
        VERSION = '[1]'
    }
    stages {
        stage('Build') {
            steps {
                echo "Version is $VERSION"
            }
        }
    }
}

Drag options to blanks, or click blank then click option'

A"1.0.0"

B1.0.0

CVERSION=1.0.0

D'1.0.0'

Attempts:

3 left

💡 Hint

Common Mistakes

Assigning unquoted values causing syntax errors.

Environment variables in Jenkinsfile should be assigned string values with single quotes.

4fill in blank

hard

Fill both blanks to create a Jenkins pipeline stage that runs tests only if the build stage succeeds.

Jenkins

stage('Test') {
    when {
        [1] [2] 'Build'
    }
    steps {
        echo 'Running tests'
    }
}

Drag options to blanks, or click blank then click option'

Astage

Bbranch

Cequals

DnotEquals

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'branch' instead of 'stage' in the when condition.

The 'when' condition uses 'stage' and 'equals' to check if the 'Build' stage succeeded.

5fill in blank

hard

Fill all three blanks to define a hybrid Jenkins pipeline that uses both scripted and declarative syntax.

Jenkins

pipeline {
    agent any
    stages {
        stage('Hybrid') {
            steps {
                script {
                    if (env.BRANCH_NAME == '[1]') {
                        echo '[2]'
                    } else {
                        echo '[3]'
                    }
                }
            }
        }
    }
}

Drag options to blanks, or click blank then click option'

Amain

BRunning on main branch

CRunning on feature branch

Ddevelop

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong branch names or messages that don't match the condition.

The script checks if the branch is 'main' and echoes the appropriate message for main or feature branches.