Function post

src/tests/master_tests.cpp:7652–7674

TODO(bmahler): Pull up a more generic helper for making it easy to send calls and get back responses. Ideally getting back the appropriate Response::X message (e.g. Response::GetAgents).

// to send calls and get back responses. Ideally getting back the
// appropriate Response::X message (e.g. Response::GetAgents).
Future<v1::master::Response> post(
    const process::PID<master::Master>& pid,
    const v1::master::Call& call)
{
  http::Headers headers = createBasicAuthHeaders(DEFAULT_CREDENTIAL);
  headers["Accept"] = stringify(ContentType::PROTOBUF);

  return http::post(
      pid,
      "api/v1",
      headers,
      serialize(ContentType::PROTOBUF, call),
      stringify(ContentType::PROTOBUF))
    .then([](const http::Response& response)
      -> Future<v1::master::Response> {
        if (response.status != http::OK().status) {
          return Failure("Unexpected response status " + response.status);
        }

        return deserialize<v1::master::Response>(
            ContentType::PROTOBUF, response.body);
    });
}


// This is a regression test for MESOS-9609.