Library directory structure in Jenkins - Mini Project: Build & Apply

Library Directory Structure in Jenkins

📖 Scenario: You are setting up a Jenkins shared library to reuse common pipeline code across multiple projects. This library will have a specific directory structure that Jenkins expects.

🎯 Goal: Build the basic directory structure for a Jenkins shared library with folders for vars and src, and add a simple Groovy script in vars.

📋 What You'll Learn

Create a root directory named my-shared-library

Inside it, create a vars directory

Inside vars, create a Groovy file named hello.groovy with a simple function

Create a src directory inside the root directory

💡 Why This Matters

🌍 Real World

Jenkins shared libraries help teams reuse pipeline code easily, making CI/CD pipelines cleaner and easier to maintain.

💼 Career

Understanding the Jenkins shared library structure is essential for DevOps engineers to create scalable and maintainable automation pipelines.

1

Create the root directory and vars folder

Create a directory named my-shared-library and inside it create another directory named vars.

Jenkins

# Your code here to create directories

Need a hint?

Use commands like mkdir -p my-shared-library/vars to create nested directories.

2

Add a Groovy script in vars folder

Inside the vars directory, create a file named hello.groovy with this exact content:
def call() { echo 'Hello from shared library!' }

Jenkins

my-shared-library/
my-shared-library/vars/
# Create hello.groovy with the function inside vars

Need a hint?

Use a text editor or echo command to create the file with the exact function.

3

Create the src directory

Inside the my-shared-library directory, create a directory named src.

Jenkins

my-shared-library/
my-shared-library/vars/hello.groovy
def call() { echo 'Hello from shared library!' }
# Create src directory inside my-shared-library

Need a hint?

Use mkdir my-shared-library/src to create the src folder.

4

Display the directory structure

Use a command to display the full directory structure of my-shared-library showing vars/hello.groovy and src folders.

Jenkins

my-shared-library/
my-shared-library/vars/hello.groovy
def call() { echo 'Hello from shared library!' }
my-shared-library/src/
# Display directory tree

Need a hint?

Use the tree command or ls -R to show the directory structure.