Variable interpolation

Objectives

• To introduce the concept of pipeline variables
• To increase your familiarity with fly comments to set pipelines, trigger jobs, etc..

Visit the pipeline vars example.

Review the pipeline.

• Identify what variables need to be set for this pipeline to be complete.

• Draft a file named vars.yml with the variable names and their values.

• Identify what flag needs to be passed to the set-pipeline command to inject the variables.

• Set the pipeline.

• Unpause it.

• Trigger the job.

• Inspect the hello message in the build output to confirm that the variable was interpolated.