- wrapper:
    name: critical-block-exclusion
    wrappers:
      - exclusion:
          resources:
            - myresource1

- job:
    name: critical-block-example
    project-type: freestyle
    wrappers:
      - critical-block-exclusion
    builders:
      - critical-block-start
      - shell:
          #!/bin/bash -ex
          rollback-my-data-base
      - critical-block-end