tosca_definitions_version: tosca_simple_yaml_1_0

topology_template:
  node_templates:
    my_server:
      type: tosca.nodes.Compute
      capabilities:
        # Host container properties
        host:
         properties:
           num_cpus: 1
           disk_size: 10 GB
           mem_size: 4096 MB
        # Guest Operating System properties
        os:
          properties:
            # host Operating System image properties
            architecture: x86_64
            type: linux 
            distribution: rhel 
            version: 6.5