{
    "dummy-dyn": {
        "hooks": {
            "postup": [
                {
                    "type": "shell", 
                    "name": "hello", 
                    "actions": [
                        "echo hello"
                    ]
                }
            ]
        }, 
        "layout": {
            "inventory_layout": {
                "hosts": {
                    "test-node": {
                        "count": 1, 
                        "host_groups": [
                            "test"
                        ]
                    }, 
                    "example-node": {
                        "count": 3, 
                        "host_groups": [
                            "example"
                        ]
                    }
                }, 
                "vars": {
                    "hostname": "__IP__"
                }
            }
        }, 
        "topology": {
            "topology_name": "dummy_cluster", 
            "resource_groups": [
                {
                    "resource_group_name": "dummy", 
                    "resource_definitions": [
                        {
                            "count": 3, 
                            "role": "dummy_node", 
                            "name": "web"
                        }, 
                        {
                            "count": 1, 
                            "role": "dummy_node", 
                            "name": "test"
                        }
                    ], 
                    "resource_group_type": "dummy"
                }
            ]
        }
    }
}