* This function is used to generate db connection info, for example, For mysql: input dbUrl: 'username:password@tcp(localhost:3306)/autoscaler?tls=custom&sslrootcert=db_ca.crt' return: &Database{DriverName: "mysql", DSN:"username:password@tcp(localhost:3306)/autoscaler?parseTime=true&tls=custom"} For postgres: input dbUrl: postgres://postgres:password@localhost:5432/autoscaler?sslmode=disable return: &Database{DriverName: "postgres", DSN:"postgres://postgres:password@localhost:5432/autoscaler?sslmode=disable" **/.