Jenkins Shared Library

• Shared libraries in Jenkins Pipelines are reusable pieces of code that can be organized into functions and classes.
• These libraries allow you to encapsulate common logic, making it easier to maintain and share across multiple pipelines and projects.
• Shared library must be inside the vars directory in your github repository
• Shared library uses groovy syntax and file name ends with .groovy extension.

How to create and use shared library in Jenkins.

How to create Shared library

• Login to your Jenkins dashboard.

• Go to Manage Jenkins --> System and search for Global Trusted Pipeline Libraries.

  Name: Shared
  Default version: <branch name>
  Project repository: https://github.com/bongodev/jenkins-shared-library.git
  

---

How to use it in Jenkins pipeline

• Go to your declarative pipeline
• Add @Library('Shared') _ at the very first line of your jenkins pipeline.

Note: @Library() _ is the syntax to use shared library.