Harness CI allows you to create software pipelines that will enable you to check out your code, build the software, run your tests, and validate every code change. In this guide, we will take a look at how you can integrate LocalStack in Harness CI pipelines for testing and delivering cloud-native applications.
Harness CI Pipelines
Harness CI pipelines implements Service Dependency to make a detached service accessible to all steps in a stage. Service dependencies can run workflows for integration testing or Docker-in-Docker (
dind) services. LocalStack can be run as a Service Dependency in a Harness CI pipeline. The pipeline can be either setup in the user-interface, or configured using YAML.
To get started, create a new pipeline in Harness CI:
- Click Add Stage.
- Click Build and set a name for the stage.
- Optionally configure the repository you are looking to be cloned and click on Set Up Stage.
- Select Cloud in the Infrastructure tab.
- Click Add Service Dependency in the Execution tab.
- In the Configure Service Dependency dialogue box, enter
localstackas the name of the service dependency.
- Click Container Registry field and select Docker Hub connector.
- Enter the desired LocalStack Docker image in the Image field.
- Select Optional Configuration to add an environment variable named LOCALSTACK_API_KEY to have an API key configured.
- Click on Apply Changes.
Instead of a visual workflow, you can use a YAML-based workflow by switching to YAML in the Pipeline Studio. As an example, it will pull the LocalStack Docker image and check if the LocalStack service is up and running:
stages: - stage: name: my_stage type: CI spec: serviceDependencies: - identifier: localstack name: localstack type: Service spec: connectorRef: my_connector image: localstack/localstack:1.2.0 envVariables: LOCALSTACK_API_KEY: <+secrets.getValue("localstack-api-key")> execution: steps: - step: type: Run name: localstack health identifier: localstack_health spec: connectorRef: docker_hub image: curlimages/curl:7.83.1 shell: Sh command: until curl --fail --silent --max-time 1 http://localstack:4566/health; do sleep 2; done
To run the pipeline, click Save and then Run Pipeline. You will be able to see LocalStack Service Dependency logs that verify that the LocalStack Container is healthy and running.
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