Pipeline utility functions in Jenkins - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the purpose of pipeline utility functions in Jenkins?

Pipeline utility functions help automate common tasks like reading files, writing files, and parsing data within Jenkins pipelines, making scripts simpler and more reusable.

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How do you read a JSON file in a Jenkins pipeline using pipeline utility functions?

Use the readJSON function to read and parse a JSON file into a Groovy object for easy access to its data.

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Which pipeline utility function would you use to write a map or list to a JSON file?

Use writeJSON to convert a Groovy map or list into JSON format and save it to a file.

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What does the readYaml function do in Jenkins pipelines?

readYaml reads a YAML file and converts it into a Groovy object, allowing easy access to YAML data in the pipeline.

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Why are pipeline utility functions important for Jenkins pipeline scripts?

They reduce the need for complex scripting by providing ready-made functions for common tasks, improving readability and maintainability of pipeline code.

Which function reads a JSON file in a Jenkins pipeline?

A readYaml

B writeJSON

C readJSON

D writeYaml

The readJSON function reads and parses JSON files in Jenkins pipelines.

What does the writeJSON function do?

A Reads a JSON file

B Writes data to a JSON file

C Reads a YAML file

D Deletes a JSON file

writeJSON converts data to JSON format and writes it to a file.

Which pipeline utility function helps parse YAML files?

A readYaml

B readJSON

C writeJSON

D writeYaml

readYaml reads YAML files and converts them into Groovy objects.

Why use pipeline utility functions in Jenkins?

A To automate common tasks easily

B To slow down the pipeline

C To write complex shell scripts

D To avoid using Groovy

Pipeline utility functions simplify and automate common tasks in Jenkins pipelines.

Which of these is NOT a pipeline utility function?

A readJSON

B writeJSON

C readYaml

D compileCode

compileCode is not a pipeline utility function; it is unrelated to file parsing or writing.

Explain how pipeline utility functions improve Jenkins pipeline scripts.

Think about how helpers make your work easier and code cleaner.

Describe how to read and write JSON files in Jenkins pipelines using pipeline utility functions.

Focus on the two main functions for JSON handling.