func (r *MetadataConfig) GetCassandraHosts() string {
	return r.CassandraHosts
}
GetCassandraHosts returns the cassandra seed hosts for our cluster
package configure
type Authentication struct {
	Enabled  bool   `yaml:"Enabled"`
	Username string `yaml:"Username"`
	Password string `yaml:"Password"`
}
type MetadataConfig struct {
	CassandraHosts string            `yaml:"CassandraHosts"`
	Port           int               `yaml:"Port"`
	Keyspace       string            `yaml:"Keyspace"`
	Authentication Authentication    `yaml:"Authentication"`
	Consistency    string            `yaml:"Consistency"`
	ClusterName    string            `yaml:"ClusterName"`
	NumConns       int               `yaml:"NumConns"`
	DcFilter       map[string]string `yaml:"DcFilter"`
}
func NewCommonMetadataConfig() *MetadataConfig {
	return &MetadataConfig{
		DcFilter: make(map[string]string),
	}
}