Create a workflow that executes a Cloud Run job using Terraform

Deploys a sample workflow using Terraform.

Explore further

For detailed documentation that includes this code sample, see the following:

• Execute a Cloud Run job using Workflows

Code sample

Terraform

To learn how to apply or remove a Terraform configuration, see Basic Terraform commands. For more information, see the Terraform provider reference documentation.

# Create a workflow
resource "google_workflows_workflow" "default" {
  name        = "cloud-run-job-workflow"
  region      = "us-central1"
  description = "Workflow that routes a Cloud Storage event and executes a Cloud Run job"

  deletion_protection = false # set to "true" in production

  # Note that $$ is needed for Terraform
  source_contents = <<EOF
  main:
      params: [event]
      steps:
          - init:
              assign:
                  - project_id: $${sys.get_env("GOOGLE_CLOUD_PROJECT_ID")}
                  - event_bucket: $${event.data.bucket}
                  - event_file: $${event.data.name}
                  - target_bucket: "${google_storage_bucket.default.name}"
                  - job_name: parallel-job
                  - job_location: us-central1
          - check_input_file:
              switch:
                  - condition: $${event_bucket == target_bucket}
                    next: run_job
                  - condition: true
                    next: end
          - run_job:
              call: googleapis.run.v1.namespaces.jobs.run
              args:
                  name: $${"namespaces/" + project_id + "/jobs/" + job_name}
                  location: $${job_location}
                  body:
                      overrides:
                          containerOverrides:
                              env:
                                  - name: INPUT_BUCKET
                                    value: $${event_bucket}
                                  - name: INPUT_FILE
                                    value: $${event_file}
              result: job_execution
          - finish:
              return: $${job_execution}
  EOF
}

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