Migrate from Classic to YAML pipelines - Azure Pipelines (2024)

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Azure DevOps Services

Get started with Azure Pipelines by converting your existing Classic pipeline to use YAML. With a YAML-based pipeline, you can implement your CI/CD strategy as code and see its history, compare versions, blame, annotate, and so on.

When you convert your Classic pipeline, the end product is two pipelines. You'll have one new YAML pipeline and a Classic pipeline that can be retired. Your Classic pipeline's run history remains in the Classic pipeline.

Prerequisites

Make sure you have the following items before you begin.

  • An Azure account with an active subscription. Create an account for free.
  • An active Azure DevOps organization. Sign up for Azure Pipelines.
  • A working pipeline that uses the Classic user interface (UI) editor.
  • A sample YAML pipeline file in your code. Create a sample YAML pipeline in the following section.

Create a sample YAML pipeline

Do the following steps to create a sample YAML pipeline, which you'll update later with your exported code from the Classic UI editor.

  1. Sign in to your organization (https://dev.azure.com/{yourorganization}) and select your project.

  2. Select Pipelines, and then New pipeline.

    Migrate from Classic to YAML pipelines - Azure Pipelines (1)

  3. Select the location for your source code as either GitHub or Azure Repos Git.

    Migrate from Classic to YAML pipelines - Azure Pipelines (2)

  4. Select a repository.

    Migrate from Classic to YAML pipelines - Azure Pipelines (3)

  5. On the Configure your pipeline page, select Starter pipeline.

    Migrate from Classic to YAML pipelines - Azure Pipelines (4)

  6. Select Save and run.

    Migrate from Classic to YAML pipelines - Azure Pipelines (5)

  7. Enter your commit message, select Commit directly to the main branch, and then choose Save and run again. A new run starts and it's committed to the repository. Wait for the run to finish.

    Migrate from Classic to YAML pipelines - Azure Pipelines (6)

Export your Classic pipeline

Do the following steps to export your Classic pipeline to a YAML file that you can use in the editor.

  1. Go to Pipelines > Pipelines.

  2. Open your Classic pipeline in the classic build designer.

  3. Select the ellipses (...), and then select Export to YAML.

    Migrate from Classic to YAML pipelines - Azure Pipelines (7)

  4. Open the downloaded YAML file in your code editor.

  5. If your YAML pipeline includes variables defined in the Classic UI, define the variables again in your pipeline settings UI or in your YAML file. For more information, see Define variables.

  6. Review any cron schedules in your YAML file. By default, cron schedules in YAML are in UTC. In Classic pipelines, they are in the organization's timezone. For more information, see Configure schedules for pipelines.

  7. Use the Task Assistant to make any other changes to the YAML file. The Task Assistant is a pane on the right side of the screen, which helps you correctly create and modify YAML steps.

    Migrate from Classic to YAML pipelines - Azure Pipelines (8)

  8. Save and run your pipeline.

Clean up resources

If you're not going to use this sample pipeline anymore, delete it from your project. Deletion is permanent and includes all builds and associated artifacts.

  1. Select the ellipses (...) and select Delete.

  2. Enter the name of your pipeline to permanently delete it, and then select Delete.

FAQ

Is there a task in YAML pipelines to create work items when there's a build failure?

YAML pipelines don't have a Create work item on failure setting like classic build pipelines. You have a couple of options for creating this functionality yourself.

Next steps

Learn about the feature differences between YAML and Classic pipelines.

Related articles

Migrate from Classic to YAML pipelines - Azure Pipelines (2024)

FAQs

How do I convert classic Azure DevOps pipelines to YAML? ›

Go to Pipelines > Pipelines. Open your Classic pipeline in the classic build designer. Select the ellipses (...), and then select Export to YAML. Open the downloaded YAML file in your code editor.

What is the difference between classic pipelines and YAML pipelines? ›

YAML pipelines are defined in code using the YAML syntax, whereas conventional pipelines are generated and managed via the Azure DevOps web platform. Both types of pipelines can be utilized to automate your build and deployment processes, but there are certain differences and benefits to be aware of.

What is the advantage of defining a pipeline using YAML in Azure DevOps? ›

The true advantage of YAML is enabling developers to have both the application, infrastructure, and build and release pipelines all as code in a single version control repository. This provides a comprehensive snapshot of the system for any previous point in time.

How do I create a pipeline from existing YAML file in Azure pipelines? ›

Go to Pipelines and click on New pipeline in the upper right corner. Select the code hoster in the Connect step and the repository in the Select step where your YAML file resides. In the Configure step choose the option Existing Azure Pipelines YAML file and select the correct file in the dropdown menu**.

How do I edit pipeline as YAML in Azure DevOps? ›

Edit a YAML pipeline

Sign in to your organization ( https://dev.azure.com/{yourorganization} ). Select your project, choose Pipelines > Pipelines, and then select the pipeline you want to edit. Choose Edit. Make edits to your pipeline using Intellisense keyboard shortcuts and the task assistant for guidance.

How do I move a pipeline from one project to another Azure DevOps? ›

If your pipeline is in another project, you can use import/export to copy the pipeline. You need Edit release pipeline or Edit build pipeline permissions to clone a Classic pipeline. Navigate to the pipeline details page for your pipeline. Choose ... and select Clone.

What 2 types of pipelines can you create in Azure DevOps? ›

Classic pipelines are created in the Azure DevOps web portal with the Classic user interface editor. You can define a build pipeline to build, test your code, and then publish your artifact (binary). Additionally, you can define a release pipeline to consume your binary (artifact) and deploy it to specific targets.

Which are the three main types of pipelines? ›

The three main types of pipelines in the oil and gas industry are gathering lines, transmission lines, and distribution lines. Gathering lines are usually short pipelines that move oil or gas from individual wellheads to a central collection point where the fluid is then sent to processing facilities.

Can you run a YAML pipeline locally? ›

yml file. The ultimate way to run a pipeline locally is to override completely the codefresh. yml file it uses. A pipeline by default will read its steps from the respective file in git.

What are the two ways for Azure Pipelines to be built? ›

There are two main options for operating Azure Pipelines—you can define pipelines using YAML code or the classic UI.

What is the benefit of using YAML? ›

YAML use cases
  1. Handles a variety of tasks — YAML can handle more tasks than JSON. ...
  2. Works with multiple data types — YAML supports data types like integers and floats, while JSON doesn't. ...
  3. Allows comments — YAML supports comments, which are not supported at all in JSON.
Jul 5, 2024

How do I use variables in Azure pipeline YAML? ›

In the YAML file, you can set a variable at various scopes:
  1. At the root level, to make it available to all jobs in the pipeline.
  2. At the stage level, to make it available only to a specific stage.
  3. At the job level, to make it available only to a specific job.
Apr 4, 2024

How do I rename Azure pipelines YAML file? ›

If you want to rename an existing Azure DevOps Pipeline and/or organize your pipelines into folders, you're going to want to find the Rename/move Pipeline dialog. From Pipelines, click into the pipeline you want to change, click the menu in the upper right, and choose Rename/move.

How do I create a YAML file for pipeline Azure DevOps? ›

Create a pipeline
  1. Select Pipelines in the left navigation pane.
  2. Select Create Pipeline.
  3. Select GitHub YAML.
  4. Search for or select your repo.
  5. Select Existing Azure Pipelines YAML file.
  6. Set the path to the Azure YAML pipeline file you created earlier.
  7. Select Continue: ...
  8. Update repositories name to your repo.
Dec 15, 2022

How do I view pipeline as YAML in Azure DevOps? ›

Navigate to the Pipelines page in Azure Pipelines, select the pipeline you created, and choose Edit in the context menu of the pipeline to open the YAML editor for the pipeline. For instructions on how to view and manage your pipelines in the Azure DevOps portal, see View and manage your pipelines.

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