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How to Pass Variables Between Pipelines in Azure DevOps?

In Azure DevOps, pipelines automate software build, testing, and deployment. Pipelines can be chained together to create complex workflows.

Sometimes, you need to pass variables between pipelines. For example, you might want to pass the build number from one pipeline to another or the test output from one pipeline to another.

There are a few ways to pass variables between pipelines in Azure DevOps.

Using Environment Variables in Azure DevOps

One way to pass variables between pipelines is to use environment variables. Environment variables are global variables that all pipelines can access.

To pass a variable between pipelines using environment variables, you must define the variable in the first pipeline and then export it.

To define a variable, you use the variable keyword. For example, to define a variable called, you would use the following code:

variable buildNumber

To export a variable, you use the export keyword. For example, to export the buildNumber Variable, you would use the following code:

export buildNumber

Once you have defined and exported a variable, you can access it in any subsequent pipeline. For example, to access the buildNumber variable in a second pipeline, you would use the following code:

variable buildNumber

Using Pipeline Parameters in Azure DevOps

Another way to pass variables between pipelines is to use pipeline parameters. Pipeline parameters are variables that are passed to a pipeline when it is run.

To pass a variable between pipelines using pipeline parameters, you must define the parameter in the first pipeline and then pass the parameter’s value to the second pipeline.

To define a parameter, you use the parameter keyword. For example, to define a parameter called buildNumber, you would use the following code:

parameter buildNumber

To pass the value of a parameter to a pipeline, you use the with keyword. For example, to pass the value of the buildNumber Parameter to a second pipeline, you would use the following code:

with:
  buildNumber: $(buildNumber)

Once you have defined a parameter and passed it to a pipeline, you can access the parameter’s value in the pipeline. For example, to access the value of the buildNumber Parameter in a second pipeline, you would use the following code:

variable buildNumber: $(buildNumber)

Using Artifacts

Another way to pass variables between pipelines is to use artifacts. Artifacts are files and folders that are produced by a pipeline and can be consumed by other pipelines.

To pass a variable between pipelines using artifacts, you need to store the variable in an artifact in the first pipeline and then reference the artifact in the second pipeline.

To store a variable in an artifact, you use the @artifact keyword. For example, to store the buildNumber variable in an artifact called, you would use the following code:

@artifact buildArtifact

To reference an artifact in a pipeline, you use the @input keyword. For example, to reference the buildArtifact Artifact in a second pipeline, you would use the following code:

@input buildArtifact

Once you have stored a variable in an artifact and referenced the artifact in a pipeline, you can access the variable’s value. For example, to access the value of the build number Variable in a second pipeline, you would use the following code:

variable buildNumber: $(buildArtifact.buildNumber)

Conclusion

These are just a few ways to pass variables between pipelines in Azure DevOps. The best way to pass variables between pipelines depends on your needs and requirements.

Olivia Charlotte
Olivia Charlottehttps://sarticle.com
Olivia Charlotte can usually be found reading a book or doing something new, something creative. It mesmerized her to do something that will help her to feel she's helping others with her knowledge. After her graduation, she got herself into reading and writing many creatives. In her lonely time, she found cooking her favorite dishes. Olivia always keeps herself a bit separate from others because her mind is always thinking and not everyone can accept it. After she found SArticle.com, she finally had a place to share her helpful writings with people who want to get resourceful articles on almost anything.
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