node_roles.json

{
    "Role" : [
        {
            "Name" : "Role A",
            "Address" : [
                {
                    "IP" : "127.0.0.1",
                    "Port" : "8080"
                },
                {
                    "IP" : "127.0.0.1",
                    "Port" : "4999"
                }
            ],
            "SourceCode" : [
                {
                    "Path" : "hello/2.go",
                    "StartLine" : 0,
                    "EndLine" : 49
                },
                {
                    "Path" : "hello/2.go",
                    "StartLine" : 124,
                    "EndLine" : 350
                }
            ]
        },
        {
            "Name" : "Role B",
            "Address" : [
                {
                    "IP" : "127.0.0.1",
                    "Port" : "8081"
                }
            ],
            "SourceCode" : [
                {
                    "Path" : "hello/1.go",
                    "StartLine" : 0,
                    "EndLine" : 350
                },
                {
                    "Path" : "hello/2.go",
                    "StartLine" : 50,
                    "EndLine" : 123
                }
            ]
        }
    ]
}