Get a marathon bearer token and use it to clear all paragraphs in a zeppelin notebook

marathonAndZeppelin.scala

    //uses sttp module
    import com.softwaremill.sttp.{HttpURLConnectionBackend, _}
    import scala.util.parsing.json._

    implicit lazy val backend = HttpURLConnectionBackend()


    //first get a marathon bearer token.    
    val loginPostBody = "{ \"uid\": \"{username}\", \"password\": \"{password}\" }"
    val tok = JSON.parseFull(
      sttp
        .headers("Content-Type" -> "application/json")
        .body(loginPostBody)
        .post(uri"https://{marathon-domain}/acs/api/v1/auth/login")
        .send().body.right.get
    )
      .get.asInstanceOf[Map[String, String]]
      .get("token")
      .get

    //Now hit the zeppelin instance and clear all the paragraphs from a given notebook.
     sttp
      .headers("Authorization" -> s"token=${tok}", "Content-Type" -> "application/json")
      .put(uri"http://{marathon-domain}/service/{marathon-zeppelin-name}/api/notebook/2E617JZX1/clear")
      .send()