Why Use Shared Libraries in Jenkins Pipelines?
The article explains the concept of shared libraries, compares them to Python modules, describes how Jenkins Groovy shared libraries store classes and methods, and discusses their role in simplifying and standardizing pipeline code to avoid overly complex Jenkinsfiles.
Shared libraries are not a new concept; developers with programming experience should already be familiar with similar mechanisms.
For example, in Python you can place code in a file, package it as a module, and import its functions when the codebase grows.
In Jenkins, using Groovy syntax, each file in a shared library is a Groovy class that contains one or more methods, and each method includes a Groovy statement block.
Understanding shared libraries helps answer how to achieve unified project management and prevent Jenkinsfiles from becoming overly complex and difficult to maintain.
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