/// <exception cref="System.Exception"/>
public virtual void TestAppReportForEmptyTrackingUrl()
{
configuration.Set(YarnConfiguration.ProxyAddress, "localhost:9090");
// overriding num of web server threads, see HttpServer.HTTP_MAXTHREADS
configuration.SetInt("hadoop.http.max.threads", 5);
TestWebAppProxyServlet.WebAppProxyServerForTest proxy = new TestWebAppProxyServlet.WebAppProxyServerForTest
(this);
proxy.Init(configuration);
proxy.Start();
int proxyPort = proxy.proxy.proxyServer.GetConnectorAddress(0).Port;
TestWebAppProxyServlet.AppReportFetcherForTest appReportFetcher = proxy.proxy.appReportFetcher;
try
{
//set AHS_ENBALED = false to simulate getting the app report from RM
configuration.SetBoolean(YarnConfiguration.ApplicationHistoryEnabled, false);
ApplicationId app = ApplicationId.NewInstance(0, 0);
appReportFetcher.answer = 6;
Uri url = new Uri("http://localhost:" + proxyPort + "/proxy/" + app.ToString());
HttpURLConnection proxyConn = (HttpURLConnection)url.OpenConnection();
proxyConn.Connect();
try
{
proxyConn.GetResponseCode();
}
catch (ConnectException)
{
}
// Connection Exception is expected as we have set
// appReportFetcher.answer = 6, which does not set anything for
// original tracking url field in the app report.
string appAddressInRm = WebAppUtils.GetResolvedRMWebAppURLWithScheme(configuration
) + "/cluster" + "/app/" + app.ToString();
NUnit.Framework.Assert.IsTrue("Webapp proxy servlet should have redirected to RM"
, proxyConn.GetURL().ToString().Equals(appAddressInRm));
//set AHS_ENBALED = true to simulate getting the app report from AHS
configuration.SetBoolean(YarnConfiguration.ApplicationHistoryEnabled, true);
proxyConn = (HttpURLConnection)url.OpenConnection();
proxyConn.Connect();
try
{
proxyConn.GetResponseCode();
}
catch (ConnectException)
{
}
// Connection Exception is expected as we have set
// appReportFetcher.answer = 6, which does not set anything for
// original tracking url field in the app report.
string appAddressInAhs = WebAppUtils.GetHttpSchemePrefix(configuration) + WebAppUtils
.GetAHSWebAppURLWithoutScheme(configuration) + "/applicationhistory" + "/apps/"
+ app.ToString();
NUnit.Framework.Assert.IsTrue("Webapp proxy servlet should have redirected to AHS"
, proxyConn.GetURL().ToString().Equals(appAddressInAhs));
}
finally
{
proxy.Close();
}
}
/// <summary>Default constructor</summary>
public WebAppProxyServlet()
: base()
{
conf = new YarnConfiguration();
this.trackingUriPlugins = conf.GetInstances <TrackingUriPlugin>(YarnConfiguration.
YarnTrackingUrlGenerator);
this.rmAppPageUrlBase = StringHelper.Pjoin(WebAppUtils.GetResolvedRMWebAppURLWithScheme
(conf), "cluster", "app");
this.ahsAppPageUrlBase = StringHelper.Pjoin(WebAppUtils.GetHttpSchemePrefix(conf)
+ WebAppUtils.GetAHSWebAppURLWithoutScheme(conf), "applicationhistory", "apps");
}
