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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.server.application;
import ai.vespa.http.HttpURL;
import ai.vespa.http.HttpURL.Path;
import ai.vespa.http.HttpURL.Query;
import com.yahoo.config.model.api.HostInfo;
import com.yahoo.config.model.api.Model;
import com.yahoo.config.model.api.ServiceInfo;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.container.jdisc.HttpResponse;
import com.yahoo.slime.Slime;
import com.yahoo.slime.SlimeUtils;
import com.yahoo.vespa.config.server.http.HttpFetcher;
import com.yahoo.vespa.config.server.http.RequestTimeoutException;
import com.yahoo.vespa.config.server.http.StaticResponse;
import org.junit.Before;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.URI;
import java.util.Arrays;
import java.util.Collections;
import static com.yahoo.config.model.api.container.ContainerServiceType.CLUSTERCONTROLLER_CONTAINER;
import static com.yahoo.vespa.config.server.application.MockModel.createServiceInfo;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class HttpProxyTest {
private final HttpFetcher fetcher = mock(HttpFetcher.class);
private final HttpProxy proxy = new HttpProxy(fetcher);
private static final String hostname = "foo.yahoo.com";
private static final int port = 19050;
private final Application applicationMock = mock(Application.class);
@Before
public void setup() {
Model modelMock = createClusterController();
when(applicationMock.getModel()).thenReturn(modelMock);
}
@Test
public void testNormalGet() {
ArgumentCaptor<HttpFetcher.Params> actualParams = ArgumentCaptor.forClass(HttpFetcher.Params.class);
ArgumentCaptor<URI> actualUrl = ArgumentCaptor.forClass(URI.class);
HttpResponse response = new StaticResponse(200, "application/json", "body");
when(fetcher.get(actualParams.capture(), actualUrl.capture())).thenReturn(response);
HttpResponse actualResponse = proxy.get(applicationMock, hostname, CLUSTERCONTROLLER_CONTAINER.serviceName,
Path.parse("clustercontroller-status/v1/clusterName"),
Query.parse("foo=bar"));
assertEquals(1, actualParams.getAllValues().size());
assertEquals(29000, actualParams.getValue().readTimeoutMs);
assertEquals(1, actualUrl.getAllValues().size());
assertEquals(URI.create("http://" + hostname + ":" + port + "/clustercontroller-status/v1/clusterName?foo=bar"),
actualUrl.getValue());
// The HttpResponse returned by the fetcher IS the same object as the one returned by the proxy,
// when everything goes well.
assertSame(actualResponse, response);
}
static String toJson(URI uri, String morePath) throws IOException {
Slime slime = new Slime();
slime.setObject().setString("url", HttpURL.from(uri).appendPath(Path.parse(morePath)).asURI().toString());
return new String(SlimeUtils.toJsonBytes(slime), UTF_8);
}
@Test
public void testNormalGetWithRewrite() throws Exception {
ArgumentCaptor<HttpFetcher.Params> actualParams = ArgumentCaptor.forClass(HttpFetcher.Params.class);
ArgumentCaptor<URI> actualUrl = ArgumentCaptor.forClass(URI.class);
doAnswer(invoc -> new StaticResponse(200, "application/json",
toJson(invoc.getArgument(1, URI.class), "/nested/path")))
.when(fetcher).get(actualParams.capture(), actualUrl.capture());
HttpResponse actualResponse = proxy.get(applicationMock, hostname, CLUSTERCONTROLLER_CONTAINER.serviceName,
Path.parse("/service/path"),
Query.parse("foo=%2F"),
HttpURL.from(URI.create("https://api:666/api/path%2E/with?foo=%2F")));
assertEquals(1, actualUrl.getAllValues().size());
assertEquals(URI.create("http://" + hostname + ":" + port + "/service/path?foo=%2F"),
actualUrl.getValue());
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
actualResponse.render(buffer);
assertEquals("{\"url\":\"https://api:666/api/path./with/nested/path?foo=%2F\"}", buffer.toString(UTF_8));
}
@Test(expected = RequestTimeoutException.class)
public void testFetchException() {
when(fetcher.get(any(), any())).thenThrow(new RequestTimeoutException("timed out"));
proxy.get(applicationMock, hostname, CLUSTERCONTROLLER_CONTAINER.serviceName,
Path.parse("clustercontroller-status/v1/clusterName"),
Query.empty());
}
private static MockModel createClusterController() {
ServiceInfo container = createServiceInfo(
hostname,
"foo", // name
CLUSTERCONTROLLER_CONTAINER.serviceName,
ClusterSpec.Type.container,
port,
"state http external query");
ServiceInfo serviceNoStatePort = createServiceInfo(hostname, "storagenode", "storagenode",
ClusterSpec.Type.content, 1234, "rpc");
HostInfo hostInfo = new HostInfo(hostname, Arrays.asList(container, serviceNoStatePort));
return new MockModel(Collections.singleton(hostInfo));
}
}
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