metadata/service/job_builder/single.yml

applications:
- jenkins
classes:
- service.jenkins.support
parameters:
  jenkins:
    job_builder:
      enabled: true
      config:
        source: git
        address: ${_param:job_builder_config_address}
        branch: ${_param:job_builder_config_branch}
      master:
        host: localhost
        port: 8080
        protocol: http
        user: admin
        password: ${_param:jenkins_admin_password}