This is the fourth article about my adventures trying to use my Apple M1 MacBook for development. In the previous article, I described how to configure a CircleCI-based CI/CD pipeline to build a multi-architecture image and push it to a remote repository. The image supports both Intel and ARM architectures. However, the pipeline only tests the image on Intel. In this article, I describe how to configure the pipeline to also test the Docker image on other architectures.
The other articles in this series are:
By default, CircleCI jobs run on an Intel platform. However, CirclCI also supports the ARM platform. You can create an Arm-based job as follows:
test-arm64: machine: image: ubuntu-2004:202101-01 resource_class: arm.medium
resource_class attribute specifies the ARM resource.
We can configure the pipeline to execute the
test-arm64 job after the
build job with the following workflow configuration:
workflows: version: 2.1 build-test-and-deploy: jobs: - build - test-arm64: requires: - build
The testing logic needed by the
test-arm64 job is currently embedded within
The solution is to split that script into two:
build job runs both of these scripts.
test-arm64 job runs just the test script:
test-arm64: machine: image: ubuntu-2004:202101-01 resource_class: arm.medium working_directory: ~/plantuml steps: - checkout - run: ./test-multi-arch-circleci.sh
After making these changes the CircleCI pipeline performs the following steps:
We are now one step closer to a complete pipeline that builds, tests and publishes a multi-architecture Docker image. In the next article, I reconfigure the pipeline to eliminate the original single architecture image and publish the tested multi-architecture image to Docker Hub.
To see the changes I made to the project, take a look at this Github commit.
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