$VAR1 = {
    "alpha.example.jp" => {
        "roles" => ["linux", "debian", "stretch", "leafnode"],
        "vars" => {"ip4" => "192.168.11.", "ip6" => "2001:db8:11::", "ipaddr" => 108},
    },
    "beta.example.jp" => {
        "roles" => ["linux", "debian", "stretch", "leafnode"],
        "vars" => {"ip4" => "192.168.11.", "ip6" => "2001:db8:11::", "ipaddr" => 142},
    },
    "gamma.example.jp" => {
        "roles" => ["linux", "debian", "buster", "hubnode"],
        "vars" => {"ip4" => "192.168.11.", "ip6" => "2001:db8:11::", "ipaddr" => 73},
    },
};