Throttling the number of concurrent integration tests with concourse

pipeline.yml

# Ensure that the bosh-worker-locks repository has the proper number of slots desired
resources:
- name: worker-slots
  type: pool
  source:
    uri: git@github.com:cloudfoundry/bosh-worker-locks.git
    branch: master
    pool: integration

- name: integration-1.9-mysql
    public: true
    serial: false
    plan:
     - put: worker-slots
       params:
        acquire: true

      - { get: bosh-src, trigger: true}

      - task: test
        privileged: true
        file: bosh-src/ci/tasks/test-integration.yml
        config:
          params:
            DB:           mysql
            RUBY_VERSION: 1.9.3

      - put: worker-slots
        params:
          release: worker-slots