forked from grpc/grpc-java
/
ClientXdsClientTest.java
1631 lines (1493 loc) · 76.8 KB
/
ClientXdsClientTest.java
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/*
* Copyright 2019 The gRPC Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.grpc.xds;
import static com.google.common.truth.Truth.assertThat;
import static io.grpc.xds.XdsClientTestHelper.buildCluster;
import static io.grpc.xds.XdsClientTestHelper.buildClusterLoadAssignment;
import static io.grpc.xds.XdsClientTestHelper.buildDiscoveryRequest;
import static io.grpc.xds.XdsClientTestHelper.buildDiscoveryResponse;
import static io.grpc.xds.XdsClientTestHelper.buildDropOverload;
import static io.grpc.xds.XdsClientTestHelper.buildLbEndpoint;
import static io.grpc.xds.XdsClientTestHelper.buildListener;
import static io.grpc.xds.XdsClientTestHelper.buildLocalityLbEndpoints;
import static io.grpc.xds.XdsClientTestHelper.buildRouteConfiguration;
import static io.grpc.xds.XdsClientTestHelper.buildSecureCluster;
import static io.grpc.xds.XdsClientTestHelper.buildUpstreamTlsContext;
import static io.grpc.xds.XdsClientTestHelper.buildVirtualHosts;
import static org.mockito.ArgumentMatchers.argThat;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoInteractions;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.common.util.concurrent.MoreExecutors;
import com.google.protobuf.Any;
import com.google.protobuf.util.Durations;
import io.envoyproxy.envoy.config.core.v3.AggregatedConfigSource;
import io.envoyproxy.envoy.config.core.v3.ConfigSource;
import io.envoyproxy.envoy.config.core.v3.HealthStatus;
import io.envoyproxy.envoy.config.endpoint.v3.ClusterLoadAssignment;
import io.envoyproxy.envoy.config.endpoint.v3.ClusterLoadAssignment.Policy;
import io.envoyproxy.envoy.config.endpoint.v3.ClusterStats;
import io.envoyproxy.envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager;
import io.envoyproxy.envoy.extensions.filters.network.http_connection_manager.v3.Rds;
import io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.SdsSecretConfig;
import io.envoyproxy.envoy.extensions.transport_sockets.tls.v3.UpstreamTlsContext;
import io.envoyproxy.envoy.service.discovery.v3.AggregatedDiscoveryServiceGrpc.AggregatedDiscoveryServiceImplBase;
import io.envoyproxy.envoy.service.discovery.v3.DiscoveryRequest;
import io.envoyproxy.envoy.service.discovery.v3.DiscoveryResponse;
import io.envoyproxy.envoy.service.load_stats.v3.LoadReportingServiceGrpc.LoadReportingServiceImplBase;
import io.envoyproxy.envoy.service.load_stats.v3.LoadStatsRequest;
import io.envoyproxy.envoy.service.load_stats.v3.LoadStatsResponse;
import io.grpc.Context;
import io.grpc.Context.CancellationListener;
import io.grpc.ManagedChannel;
import io.grpc.Status;
import io.grpc.Status.Code;
import io.grpc.inprocess.InProcessChannelBuilder;
import io.grpc.inprocess.InProcessServerBuilder;
import io.grpc.internal.BackoffPolicy;
import io.grpc.internal.FakeClock;
import io.grpc.internal.FakeClock.ScheduledTask;
import io.grpc.internal.FakeClock.TaskFilter;
import io.grpc.stub.StreamObserver;
import io.grpc.testing.GrpcCleanupRule;
import io.grpc.xds.AbstractXdsClient.ResourceType;
import io.grpc.xds.EnvoyProtoData.DropOverload;
import io.grpc.xds.EnvoyProtoData.LbEndpoint;
import io.grpc.xds.EnvoyProtoData.Locality;
import io.grpc.xds.EnvoyProtoData.LocalityLbEndpoints;
import io.grpc.xds.EnvoyProtoData.Node;
import io.grpc.xds.XdsClient.CdsResourceWatcher;
import io.grpc.xds.XdsClient.CdsUpdate;
import io.grpc.xds.XdsClient.EdsResourceWatcher;
import io.grpc.xds.XdsClient.EdsUpdate;
import io.grpc.xds.XdsClient.LdsResourceWatcher;
import io.grpc.xds.XdsClient.LdsUpdate;
import io.grpc.xds.XdsClient.RdsResourceWatcher;
import io.grpc.xds.XdsClient.RdsUpdate;
import io.grpc.xds.XdsClient.ResourceWatcher;
import io.grpc.xds.XdsClient.XdsChannel;
import java.io.IOException;
import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Queue;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.ArgumentCaptor;
import org.mockito.ArgumentMatcher;
import org.mockito.Captor;
import org.mockito.InOrder;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
/**
* Tests for {@link ClientXdsClient}.
*/
@RunWith(JUnit4.class)
public class ClientXdsClientTest {
private static final String LDS_RESOURCE = "listener.googleapis.com";
private static final String RDS_RESOURCE = "route-configuration.googleapis.com";
private static final String CDS_RESOURCE = "cluster.googleapis.com";
private static final String EDS_RESOURCE = "cluster-load-assignment.googleapis.com";
private static final Node NODE = Node.newBuilder().build();
private static final FakeClock.TaskFilter RPC_RETRY_TASK_FILTER =
new FakeClock.TaskFilter() {
@Override
public boolean shouldAccept(Runnable command) {
return command.toString().contains(AbstractXdsClient.RpcRetryTask.class.getSimpleName());
}
};
private static final FakeClock.TaskFilter LDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER =
new TaskFilter() {
@Override
public boolean shouldAccept(Runnable command) {
return command.toString().contains(ResourceType.LDS.toString());
}
};
private static final FakeClock.TaskFilter RDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER =
new TaskFilter() {
@Override
public boolean shouldAccept(Runnable command) {
return command.toString().contains(ResourceType.RDS.toString());
}
};
private static final FakeClock.TaskFilter CDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER =
new TaskFilter() {
@Override
public boolean shouldAccept(Runnable command) {
return command.toString().contains(ResourceType.CDS.toString());
}
};
private static final FakeClock.TaskFilter EDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER =
new FakeClock.TaskFilter() {
@Override
public boolean shouldAccept(Runnable command) {
return command.toString().contains(ResourceType.EDS.toString());
}
};
@Rule
public final GrpcCleanupRule cleanupRule = new GrpcCleanupRule();
private final FakeClock fakeClock = new FakeClock();
private final Queue<RpcCall<DiscoveryRequest, DiscoveryResponse>> resourceDiscoveryCalls =
new ArrayDeque<>();
private final Queue<RpcCall<LoadStatsRequest, LoadStatsResponse>> loadReportCalls =
new ArrayDeque<>();
private final AtomicBoolean adsEnded = new AtomicBoolean(true);
private final AtomicBoolean lrsEnded = new AtomicBoolean(true);
@Captor
private ArgumentCaptor<LdsUpdate> ldsUpdateCaptor;
@Captor
private ArgumentCaptor<RdsUpdate> rdsUpdateCaptor;
@Captor
private ArgumentCaptor<CdsUpdate> cdsUpdateCaptor;
@Captor
private ArgumentCaptor<EdsUpdate> edsUpdateCaptor;
@Captor
private ArgumentCaptor<Status> errorCaptor;
@Mock
private BackoffPolicy.Provider backoffPolicyProvider;
@Mock
private BackoffPolicy backoffPolicy1;
@Mock
private BackoffPolicy backoffPolicy2;
@Mock
private LdsResourceWatcher ldsResourceWatcher;
@Mock
private RdsResourceWatcher rdsResourceWatcher;
@Mock
private CdsResourceWatcher cdsResourceWatcher;
@Mock
private EdsResourceWatcher edsResourceWatcher;
private ManagedChannel channel;
private ClientXdsClient xdsClient;
@Before
public void setUp() throws IOException {
MockitoAnnotations.initMocks(this);
when(backoffPolicyProvider.get()).thenReturn(backoffPolicy1, backoffPolicy2);
when(backoffPolicy1.nextBackoffNanos()).thenReturn(10L, 100L);
when(backoffPolicy2.nextBackoffNanos()).thenReturn(20L, 200L);
final String serverName = InProcessServerBuilder.generateName();
AggregatedDiscoveryServiceImplBase adsServiceImpl = new AggregatedDiscoveryServiceImplBase() {
@Override
public StreamObserver<DiscoveryRequest> streamAggregatedResources(
final StreamObserver<DiscoveryResponse> responseObserver) {
assertThat(adsEnded.get()).isTrue(); // ensure previous call was ended
adsEnded.set(false);
@SuppressWarnings("unchecked")
StreamObserver<DiscoveryRequest> requestObserver = mock(StreamObserver.class);
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
new RpcCall<>(requestObserver, responseObserver);
resourceDiscoveryCalls.offer(call);
Context.current().addListener(
new CancellationListener() {
@Override
public void cancelled(Context context) {
adsEnded.set(true);
}
}, MoreExecutors.directExecutor());
return requestObserver;
}
};
LoadReportingServiceImplBase lrsServiceImpl = new LoadReportingServiceImplBase() {
@Override
public StreamObserver<LoadStatsRequest> streamLoadStats(
StreamObserver<LoadStatsResponse> responseObserver) {
assertThat(lrsEnded.get()).isTrue();
lrsEnded.set(false);
@SuppressWarnings("unchecked")
StreamObserver<LoadStatsRequest> requestObserver = mock(StreamObserver.class);
RpcCall<LoadStatsRequest, LoadStatsResponse> call =
new RpcCall<>(requestObserver, responseObserver);
Context.current().addListener(
new CancellationListener() {
@Override
public void cancelled(Context context) {
lrsEnded.set(true);
}
}, MoreExecutors.directExecutor());
loadReportCalls.offer(call);
return requestObserver;
}
};
cleanupRule.register(
InProcessServerBuilder
.forName(serverName)
.addService(adsServiceImpl)
.addService(lrsServiceImpl)
.directExecutor()
.build()
.start());
channel =
cleanupRule.register(InProcessChannelBuilder.forName(serverName).directExecutor().build());
xdsClient =
new ClientXdsClient(
new XdsChannel(channel, /* useProtocolV3= */ true),
EnvoyProtoData.Node.newBuilder().build(),
fakeClock.getScheduledExecutorService(),
backoffPolicyProvider,
fakeClock.getStopwatchSupplier());
assertThat(resourceDiscoveryCalls).isEmpty();
assertThat(loadReportCalls).isEmpty();
}
@After
public void tearDown() {
xdsClient.shutdown();
assertThat(adsEnded.get()).isTrue();
assertThat(lrsEnded.get()).isTrue();
assertThat(channel.isShutdown()).isTrue();
assertThat(fakeClock.getPendingTasks()).isEmpty();
}
@Test
public void ldsResourceNotFound() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.LDS, LDS_RESOURCE, ldsResourceWatcher);
List<Any> listeners = ImmutableList.of(
Any.pack(buildListener("bar.googleapis.com",
Any.pack(
HttpConnectionManager.newBuilder()
.setRouteConfig(
buildRouteConfiguration("route-bar.googleapis.com", buildVirtualHosts(1)))
.build()))));
DiscoveryResponse response =
buildDiscoveryResponse("0", listeners, ResourceType.LDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK LDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", LDS_RESOURCE, ResourceType.LDS.typeUrl(), "0000")));
verifyNoInteractions(ldsResourceWatcher);
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(ldsResourceWatcher).onResourceDoesNotExist(LDS_RESOURCE);
assertThat(fakeClock.getPendingTasks(LDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER)).isEmpty();
}
@Test
public void ldsResourceFound_containsVirtualHosts() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.LDS, LDS_RESOURCE, ldsResourceWatcher);
List<Any> listeners = ImmutableList.of(
Any.pack(buildListener(LDS_RESOURCE,
Any.pack(
HttpConnectionManager.newBuilder()
.setRouteConfig(buildRouteConfiguration("do not care", buildVirtualHosts(2)))
.build()))));
DiscoveryResponse response =
buildDiscoveryResponse("0", listeners, ResourceType.LDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK LDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", LDS_RESOURCE, ResourceType.LDS.typeUrl(), "0000")));
verify(ldsResourceWatcher).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getVirtualHosts()).hasSize(2);
assertThat(fakeClock.getPendingTasks(LDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER)).isEmpty();
}
@Test
public void ldsResourceFound_containsRdsName() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.LDS, LDS_RESOURCE, ldsResourceWatcher);
List<Any> listeners = ImmutableList.of(
Any.pack(buildListener(LDS_RESOURCE,
Any.pack(
HttpConnectionManager.newBuilder()
.setRds(
Rds.newBuilder()
.setRouteConfigName(RDS_RESOURCE)
.setConfigSource(
ConfigSource.newBuilder()
.setAds(AggregatedConfigSource.getDefaultInstance())))
.build()))));
DiscoveryResponse response =
buildDiscoveryResponse("0", listeners, ResourceType.LDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK LDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", LDS_RESOURCE, ResourceType.LDS.typeUrl(), "0000")));
verify(ldsResourceWatcher).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getRdsName()).isEqualTo(RDS_RESOURCE);
assertThat(fakeClock.getPendingTasks(LDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER)).isEmpty();
}
@Test
public void cachedLdsResource_data() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.LDS, LDS_RESOURCE, ldsResourceWatcher);
List<Any> listeners = ImmutableList.of(
Any.pack(buildListener(LDS_RESOURCE,
Any.pack(
HttpConnectionManager.newBuilder()
.setRds(
Rds.newBuilder()
.setRouteConfigName(RDS_RESOURCE)
.setConfigSource(
ConfigSource.newBuilder()
.setAds(AggregatedConfigSource.getDefaultInstance())))
.build()))));
DiscoveryResponse response =
buildDiscoveryResponse("0", listeners, ResourceType.LDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK LDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", LDS_RESOURCE, ResourceType.LDS.typeUrl(), "0000")));
LdsResourceWatcher watcher = mock(LdsResourceWatcher.class);
xdsClient.watchLdsResource(LDS_RESOURCE, watcher);
verify(watcher).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getRdsName()).isEqualTo(RDS_RESOURCE);
verifyNoMoreInteractions(call.requestObserver);
}
@Test
public void cachedLdsResource_absent() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.LDS, LDS_RESOURCE, ldsResourceWatcher);
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(ldsResourceWatcher).onResourceDoesNotExist(LDS_RESOURCE);
LdsResourceWatcher watcher = mock(LdsResourceWatcher.class);
xdsClient.watchLdsResource(LDS_RESOURCE, watcher);
verify(watcher).onResourceDoesNotExist(LDS_RESOURCE);
verifyNoMoreInteractions(call.requestObserver);
}
@Test
public void ldsResourceUpdated() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.LDS, LDS_RESOURCE, ldsResourceWatcher);
List<Any> listeners = ImmutableList.of(
Any.pack(buildListener(LDS_RESOURCE,
Any.pack(
HttpConnectionManager.newBuilder()
.setRouteConfig(buildRouteConfiguration("do not care", buildVirtualHosts(2)))
.build()))));
DiscoveryResponse response =
buildDiscoveryResponse("0", listeners, ResourceType.LDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK LDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", LDS_RESOURCE, ResourceType.LDS.typeUrl(), "0000")));
verify(ldsResourceWatcher).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getVirtualHosts()).hasSize(2);
listeners = ImmutableList.of(
Any.pack(buildListener(LDS_RESOURCE,
Any.pack(
HttpConnectionManager.newBuilder()
.setRds(
Rds.newBuilder()
.setRouteConfigName(RDS_RESOURCE)
.setConfigSource(
ConfigSource.newBuilder()
.setAds(AggregatedConfigSource.getDefaultInstance())))
.build()))));
response =
buildDiscoveryResponse("1", listeners, ResourceType.LDS.typeUrl(), "0001");
call.responseObserver.onNext(response);
// Client sends an ACK LDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "1", LDS_RESOURCE, ResourceType.LDS.typeUrl(), "0001")));
verify(ldsResourceWatcher, times(2)).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getRdsName()).isEqualTo(RDS_RESOURCE);
}
@Test
public void ldsResourceDeleted() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.LDS, LDS_RESOURCE, ldsResourceWatcher);
List<Any> listeners = ImmutableList.of(
Any.pack(buildListener(LDS_RESOURCE,
Any.pack(
HttpConnectionManager.newBuilder()
.setRouteConfig(buildRouteConfiguration("do not care", buildVirtualHosts(2)))
.build()))));
DiscoveryResponse response =
buildDiscoveryResponse("0", listeners, ResourceType.LDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK LDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", LDS_RESOURCE, ResourceType.LDS.typeUrl(), "0000")));
verify(ldsResourceWatcher).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getVirtualHosts()).hasSize(2);
response = buildDiscoveryResponse("1", Collections.<Any>emptyList(),
ResourceType.LDS.typeUrl(), "0001");
call.responseObserver.onNext(response);
// Client sends an ACK LDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "1", LDS_RESOURCE, ResourceType.LDS.typeUrl(), "0001")));
verify(ldsResourceWatcher).onResourceDoesNotExist(LDS_RESOURCE);
}
@Test
public void multipleLdsWatchers() {
String ldsResource = "bar.googleapis.com";
LdsResourceWatcher watcher1 = mock(LdsResourceWatcher.class);
LdsResourceWatcher watcher2 = mock(LdsResourceWatcher.class);
xdsClient.watchLdsResource(LDS_RESOURCE, ldsResourceWatcher);
xdsClient.watchLdsResource(ldsResource, watcher1);
xdsClient.watchLdsResource(ldsResource, watcher2);
RpcCall<DiscoveryRequest, DiscoveryResponse> call = resourceDiscoveryCalls.poll();
verify(call.requestObserver).onNext(
argThat(new DiscoveryRequestMatcher(NODE, "", Arrays.asList(LDS_RESOURCE, ldsResource),
ResourceType.LDS.typeUrl(), "")));
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(ldsResourceWatcher).onResourceDoesNotExist(LDS_RESOURCE);
verify(watcher1).onResourceDoesNotExist(ldsResource);
verify(watcher2).onResourceDoesNotExist(ldsResource);
List<Any> listeners = ImmutableList.of(
Any.pack(buildListener(LDS_RESOURCE,
Any.pack(
HttpConnectionManager.newBuilder()
.setRouteConfig(buildRouteConfiguration("do not care", buildVirtualHosts(2)))
.build()))),
Any.pack(buildListener(ldsResource,
Any.pack(
HttpConnectionManager.newBuilder()
.setRouteConfig(buildRouteConfiguration("do not care", buildVirtualHosts(4)))
.build()))));
DiscoveryResponse response =
buildDiscoveryResponse("0", listeners, ResourceType.LDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
verify(ldsResourceWatcher).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getVirtualHosts()).hasSize(2);
verify(watcher1).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getVirtualHosts()).hasSize(4);
verify(watcher2).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getVirtualHosts()).hasSize(4);
}
@Test
public void rdsResourceNotFound() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.RDS, RDS_RESOURCE, rdsResourceWatcher);
List<Any> routeConfigs = ImmutableList.of(
Any.pack(buildRouteConfiguration("route-bar.googleapis.com", buildVirtualHosts(2))));
DiscoveryResponse response =
buildDiscoveryResponse("0", routeConfigs, ResourceType.RDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK RDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", RDS_RESOURCE, ResourceType.RDS.typeUrl(), "0000")));
verifyNoInteractions(rdsResourceWatcher);
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(rdsResourceWatcher).onResourceDoesNotExist(RDS_RESOURCE);
assertThat(fakeClock.getPendingTasks(RDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER)).isEmpty();
}
@Test
public void rdsResourceFound() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.RDS, RDS_RESOURCE, rdsResourceWatcher);
List<Any> routeConfigs =
ImmutableList.of(Any.pack(buildRouteConfiguration(RDS_RESOURCE, buildVirtualHosts(2))));
DiscoveryResponse response =
buildDiscoveryResponse("0", routeConfigs, ResourceType.RDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK RDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", RDS_RESOURCE, ResourceType.RDS.typeUrl(), "0000")));
verify(rdsResourceWatcher).onChanged(rdsUpdateCaptor.capture());
assertThat(rdsUpdateCaptor.getValue().getVirtualHosts()).hasSize(2);
assertThat(fakeClock.getPendingTasks(RDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER)).isEmpty();
}
@Test
public void cachedRdsResource_data() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.RDS, RDS_RESOURCE, rdsResourceWatcher);
List<Any> routeConfigs =
ImmutableList.of(Any.pack(buildRouteConfiguration(RDS_RESOURCE, buildVirtualHosts(2))));
DiscoveryResponse response =
buildDiscoveryResponse("0", routeConfigs, ResourceType.RDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK RDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", RDS_RESOURCE, ResourceType.RDS.typeUrl(), "0000")));
RdsResourceWatcher watcher = mock(RdsResourceWatcher.class);
xdsClient.watchRdsResource(RDS_RESOURCE, watcher);
verify(watcher).onChanged(rdsUpdateCaptor.capture());
assertThat(rdsUpdateCaptor.getValue().getVirtualHosts()).hasSize(2);
verifyNoMoreInteractions(call.requestObserver);
}
@Test
public void cachedRdsResource_absent() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.RDS, RDS_RESOURCE, rdsResourceWatcher);
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(rdsResourceWatcher).onResourceDoesNotExist(RDS_RESOURCE);
RdsResourceWatcher watcher = mock(RdsResourceWatcher.class);
xdsClient.watchRdsResource(RDS_RESOURCE, watcher);
verify(watcher).onResourceDoesNotExist(RDS_RESOURCE);
verifyNoMoreInteractions(call.requestObserver);
}
@Test
public void rdsResourceUpdated() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.RDS, RDS_RESOURCE, rdsResourceWatcher);
List<Any> routeConfigs =
ImmutableList.of(Any.pack(buildRouteConfiguration(RDS_RESOURCE, buildVirtualHosts(2))));
DiscoveryResponse response =
buildDiscoveryResponse("0", routeConfigs, ResourceType.RDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK RDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", RDS_RESOURCE, ResourceType.RDS.typeUrl(), "0000")));
verify(rdsResourceWatcher).onChanged(rdsUpdateCaptor.capture());
assertThat(rdsUpdateCaptor.getValue().getVirtualHosts()).hasSize(2);
routeConfigs =
ImmutableList.of(Any.pack(buildRouteConfiguration(RDS_RESOURCE, buildVirtualHosts(4))));
response =
buildDiscoveryResponse("1", routeConfigs, ResourceType.RDS.typeUrl(), "0001");
call.responseObserver.onNext(response);
// Client sends an ACK RDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "1", RDS_RESOURCE, ResourceType.RDS.typeUrl(), "0001")));
verify(rdsResourceWatcher, times(2)).onChanged(rdsUpdateCaptor.capture());
assertThat(rdsUpdateCaptor.getValue().getVirtualHosts()).hasSize(4);
}
@Test
public void rdsResourceDeletedByLds() {
xdsClient.watchLdsResource(LDS_RESOURCE, ldsResourceWatcher);
xdsClient.watchRdsResource(RDS_RESOURCE, rdsResourceWatcher);
RpcCall<DiscoveryRequest, DiscoveryResponse> call = resourceDiscoveryCalls.poll();
List<Any> listeners = ImmutableList.of(
Any.pack(buildListener(LDS_RESOURCE,
Any.pack(
HttpConnectionManager.newBuilder()
.setRds(
Rds.newBuilder()
.setRouteConfigName(RDS_RESOURCE)
.setConfigSource(
ConfigSource.newBuilder()
.setAds(AggregatedConfigSource.getDefaultInstance())))
.build()))));
DiscoveryResponse response =
buildDiscoveryResponse("0", listeners, ResourceType.LDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
verify(ldsResourceWatcher).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getRdsName()).isEqualTo(RDS_RESOURCE);
List<Any> routeConfigs =
ImmutableList.of(Any.pack(buildRouteConfiguration(RDS_RESOURCE, buildVirtualHosts(2))));
response = buildDiscoveryResponse("0", routeConfigs, ResourceType.RDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
verify(rdsResourceWatcher).onChanged(rdsUpdateCaptor.capture());
assertThat(rdsUpdateCaptor.getValue().getVirtualHosts()).hasSize(2);
listeners = ImmutableList.of(
Any.pack(buildListener(LDS_RESOURCE,
Any.pack(
HttpConnectionManager.newBuilder()
.setRouteConfig(buildRouteConfiguration("do not care", buildVirtualHosts(5)))
.build()))));
response = buildDiscoveryResponse("1", listeners, ResourceType.LDS.typeUrl(), "0001");
call.responseObserver.onNext(response);
verify(ldsResourceWatcher, times(2)).onChanged(ldsUpdateCaptor.capture());
assertThat(ldsUpdateCaptor.getValue().getVirtualHosts()).hasSize(5);
verify(rdsResourceWatcher).onResourceDoesNotExist(RDS_RESOURCE);
}
@Test
public void multipleRdsWatchers() {
String rdsResource = "route-bar.googleapis.com";
RdsResourceWatcher watcher1 = mock(RdsResourceWatcher.class);
RdsResourceWatcher watcher2 = mock(RdsResourceWatcher.class);
xdsClient.watchRdsResource(RDS_RESOURCE, rdsResourceWatcher);
xdsClient.watchRdsResource(rdsResource, watcher1);
xdsClient.watchRdsResource(rdsResource, watcher2);
RpcCall<DiscoveryRequest, DiscoveryResponse> call = resourceDiscoveryCalls.poll();
verify(call.requestObserver).onNext(
argThat(new DiscoveryRequestMatcher(NODE, "", Arrays.asList(RDS_RESOURCE, rdsResource),
ResourceType.RDS.typeUrl(), "")));
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(rdsResourceWatcher).onResourceDoesNotExist(RDS_RESOURCE);
verify(watcher1).onResourceDoesNotExist(rdsResource);
verify(watcher2).onResourceDoesNotExist(rdsResource);
List<Any> routeConfigs =
ImmutableList.of(Any.pack(buildRouteConfiguration(RDS_RESOURCE, buildVirtualHosts(2))));
DiscoveryResponse response =
buildDiscoveryResponse("0", routeConfigs, ResourceType.RDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
verify(rdsResourceWatcher).onChanged(rdsUpdateCaptor.capture());
assertThat(rdsUpdateCaptor.getValue().getVirtualHosts()).hasSize(2);
verifyNoMoreInteractions(watcher1, watcher2);
routeConfigs =
ImmutableList.of(Any.pack(buildRouteConfiguration(rdsResource, buildVirtualHosts(4))));
response =
buildDiscoveryResponse("2", routeConfigs, ResourceType.RDS.typeUrl(), "0002");
call.responseObserver.onNext(response);
verify(watcher1).onChanged(rdsUpdateCaptor.capture());
assertThat(rdsUpdateCaptor.getValue().getVirtualHosts()).hasSize(4);
verify(watcher2).onChanged(rdsUpdateCaptor.capture());
assertThat(rdsUpdateCaptor.getValue().getVirtualHosts()).hasSize(4);
verifyNoMoreInteractions(rdsResourceWatcher);
}
@Test
public void cdsResourceNotFound() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.CDS, CDS_RESOURCE, cdsResourceWatcher);
List<Any> clusters = ImmutableList.of(
Any.pack(buildCluster("cluster-bar.googleapis.com", null, false)),
Any.pack(buildCluster("cluster-baz.googleapis.com", null, false)));
DiscoveryResponse response =
buildDiscoveryResponse("0", clusters, ResourceType.CDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sent an ACK CDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", CDS_RESOURCE, ResourceType.CDS.typeUrl(), "0000")));
verifyNoInteractions(cdsResourceWatcher);
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(cdsResourceWatcher).onResourceDoesNotExist(CDS_RESOURCE);
assertThat(fakeClock.getPendingTasks(CDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER)).isEmpty();
}
@Test
public void cdsResourceFound() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.CDS, CDS_RESOURCE, cdsResourceWatcher);
List<Any> clusters = ImmutableList.of(Any.pack(buildCluster(CDS_RESOURCE, null, false)));
DiscoveryResponse response =
buildDiscoveryResponse("0", clusters, ResourceType.CDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sent an ACK CDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", CDS_RESOURCE, ResourceType.CDS.typeUrl(), "0000")));
verify(cdsResourceWatcher).onChanged(cdsUpdateCaptor.capture());
CdsUpdate cdsUpdate = cdsUpdateCaptor.getValue();
assertThat(cdsUpdate.getClusterName()).isEqualTo(CDS_RESOURCE);
assertThat(cdsUpdate.getEdsServiceName()).isNull();
assertThat(cdsUpdate.getLbPolicy()).isEqualTo("round_robin");
assertThat(cdsUpdate.getLrsServerName()).isNull();
assertThat(fakeClock.getPendingTasks(CDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER)).isEmpty();
}
/**
* CDS response containing UpstreamTlsContext for a cluster.
*/
@Test
public void cdsResponseWithUpstreamTlsContext() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.CDS, CDS_RESOURCE, cdsResourceWatcher);
// Management server sends back CDS response with UpstreamTlsContext.
UpstreamTlsContext testUpstreamTlsContext =
buildUpstreamTlsContext("secret1", "unix:/var/uds2");
List<Any> clusters = ImmutableList.of(
Any.pack(buildCluster("cluster-bar.googleapis.com", null, false)),
Any.pack(buildSecureCluster(CDS_RESOURCE,
"eds-cluster-foo.googleapis.com", true, testUpstreamTlsContext)),
Any.pack(buildCluster("cluster-baz.googleapis.com", null, false)));
DiscoveryResponse response =
buildDiscoveryResponse("0", clusters, ResourceType.CDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sent an ACK CDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", CDS_RESOURCE, ResourceType.CDS.typeUrl(), "0000")));
verify(cdsResourceWatcher, times(1)).onChanged(cdsUpdateCaptor.capture());
CdsUpdate cdsUpdate = cdsUpdateCaptor.getValue();
EnvoyServerProtoData.UpstreamTlsContext upstreamTlsContext = cdsUpdate
.getUpstreamTlsContext();
SdsSecretConfig validationContextSdsSecretConfig = upstreamTlsContext.getCommonTlsContext()
.getValidationContextSdsSecretConfig();
assertThat(validationContextSdsSecretConfig.getName()).isEqualTo("secret1");
assertThat(
Iterables.getOnlyElement(
validationContextSdsSecretConfig
.getSdsConfig()
.getApiConfigSource()
.getGrpcServicesList())
.getGoogleGrpc()
.getTargetUri())
.isEqualTo("unix:/var/uds2");
}
@Test
public void cachedCdsResource_data() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.CDS, CDS_RESOURCE, cdsResourceWatcher);
List<Any> clusters = ImmutableList.of(Any.pack(buildCluster(CDS_RESOURCE, null, false)));
DiscoveryResponse response =
buildDiscoveryResponse("0", clusters, ResourceType.CDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK CDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", CDS_RESOURCE, ResourceType.CDS.typeUrl(), "0000")));
CdsResourceWatcher watcher = mock(CdsResourceWatcher.class);
xdsClient.watchCdsResource(CDS_RESOURCE, watcher);
verify(watcher).onChanged(cdsUpdateCaptor.capture());
CdsUpdate cdsUpdate = cdsUpdateCaptor.getValue();
assertThat(cdsUpdate.getClusterName()).isEqualTo(CDS_RESOURCE);
assertThat(cdsUpdate.getEdsServiceName()).isNull();
assertThat(cdsUpdate.getLbPolicy()).isEqualTo("round_robin");
assertThat(cdsUpdate.getLrsServerName()).isNull();
verifyNoMoreInteractions(call.requestObserver);
}
@Test
public void cachedCdsResource_absent() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.CDS, CDS_RESOURCE, cdsResourceWatcher);
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(cdsResourceWatcher).onResourceDoesNotExist(CDS_RESOURCE);
CdsResourceWatcher watcher = mock(CdsResourceWatcher.class);
xdsClient.watchCdsResource(CDS_RESOURCE, watcher);
verify(watcher).onResourceDoesNotExist(CDS_RESOURCE);
verifyNoMoreInteractions(call.requestObserver);
}
@Test
public void cdsResourceUpdated() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.CDS, CDS_RESOURCE, cdsResourceWatcher);
List<Any> clusters = ImmutableList.of(Any.pack(buildCluster(CDS_RESOURCE, null, false)));
DiscoveryResponse response =
buildDiscoveryResponse("0", clusters, ResourceType.CDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK CDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", CDS_RESOURCE, ResourceType.CDS.typeUrl(), "0000")));
verify(cdsResourceWatcher).onChanged(cdsUpdateCaptor.capture());
CdsUpdate cdsUpdate = cdsUpdateCaptor.getValue();
assertThat(cdsUpdate.getClusterName()).isEqualTo(CDS_RESOURCE);
assertThat(cdsUpdate.getEdsServiceName()).isNull();
assertThat(cdsUpdate.getLbPolicy()).isEqualTo("round_robin");
assertThat(cdsUpdate.getLrsServerName()).isNull();
String edsService = "eds-service-bar.googleapis.com";
clusters = ImmutableList.of(Any.pack(buildCluster(CDS_RESOURCE, edsService, true)));
response = buildDiscoveryResponse("1", clusters, ResourceType.CDS.typeUrl(), "0001");
call.responseObserver.onNext(response);
// Client sends an ACK CDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "1", CDS_RESOURCE, ResourceType.CDS.typeUrl(), "0001")));
verify(cdsResourceWatcher, times(2)).onChanged(cdsUpdateCaptor.capture());
cdsUpdate = cdsUpdateCaptor.getValue();
assertThat(cdsUpdate.getClusterName()).isEqualTo(CDS_RESOURCE);
assertThat(cdsUpdate.getEdsServiceName()).isEqualTo(edsService);
assertThat(cdsUpdate.getLbPolicy()).isEqualTo("round_robin");
assertThat(cdsUpdate.getLrsServerName()).isEqualTo("");
}
@Test
public void cdsResourceDeleted() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.CDS, CDS_RESOURCE, cdsResourceWatcher);
List<Any> clusters = ImmutableList.of(Any.pack(buildCluster(CDS_RESOURCE, null, false)));
DiscoveryResponse response =
buildDiscoveryResponse("0", clusters, ResourceType.CDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sends an ACK CDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", CDS_RESOURCE, ResourceType.CDS.typeUrl(), "0000")));
verify(cdsResourceWatcher).onChanged(cdsUpdateCaptor.capture());
CdsUpdate cdsUpdate = cdsUpdateCaptor.getValue();
assertThat(cdsUpdate.getClusterName()).isEqualTo(CDS_RESOURCE);
assertThat(cdsUpdate.getEdsServiceName()).isNull();
assertThat(cdsUpdate.getLbPolicy()).isEqualTo("round_robin");
assertThat(cdsUpdate.getLrsServerName()).isNull();
response = buildDiscoveryResponse("1", Collections.<Any>emptyList(),
ResourceType.CDS.typeUrl(), "0001");
call.responseObserver.onNext(response);
// Client sends an ACK CDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "1", CDS_RESOURCE, ResourceType.CDS.typeUrl(), "0001")));
verify(cdsResourceWatcher).onResourceDoesNotExist(CDS_RESOURCE);
}
@Test
public void multipleCdsWatchers() {
String cdsResource = "cluster-bar.googleapis.com";
CdsResourceWatcher watcher1 = mock(CdsResourceWatcher.class);
CdsResourceWatcher watcher2 = mock(CdsResourceWatcher.class);
xdsClient.watchCdsResource(CDS_RESOURCE, cdsResourceWatcher);
xdsClient.watchCdsResource(cdsResource, watcher1);
xdsClient.watchCdsResource(cdsResource, watcher2);
RpcCall<DiscoveryRequest, DiscoveryResponse> call = resourceDiscoveryCalls.poll();
verify(call.requestObserver).onNext(
argThat(new DiscoveryRequestMatcher(NODE, "", Arrays.asList(CDS_RESOURCE, cdsResource),
ResourceType.CDS.typeUrl(), "")));
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(cdsResourceWatcher).onResourceDoesNotExist(CDS_RESOURCE);
verify(watcher1).onResourceDoesNotExist(cdsResource);
verify(watcher2).onResourceDoesNotExist(cdsResource);
String edsService = "eds-service-bar.googleapis.com";
List<Any> clusters = ImmutableList.of(
Any.pack(buildCluster(CDS_RESOURCE, null, false)),
Any.pack(buildCluster(cdsResource, edsService, true)));
DiscoveryResponse response =
buildDiscoveryResponse("0", clusters, ResourceType.CDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
verify(cdsResourceWatcher).onChanged(cdsUpdateCaptor.capture());
CdsUpdate cdsUpdate = cdsUpdateCaptor.getValue();
assertThat(cdsUpdate.getClusterName()).isEqualTo(CDS_RESOURCE);
assertThat(cdsUpdate.getEdsServiceName()).isNull();
assertThat(cdsUpdate.getLbPolicy()).isEqualTo("round_robin");
assertThat(cdsUpdate.getLrsServerName()).isNull();
verify(watcher1).onChanged(cdsUpdateCaptor.capture());
cdsUpdate = cdsUpdateCaptor.getValue();
assertThat(cdsUpdate.getClusterName()).isEqualTo(cdsResource);
assertThat(cdsUpdate.getEdsServiceName()).isEqualTo(edsService);
assertThat(cdsUpdate.getLbPolicy()).isEqualTo("round_robin");
assertThat(cdsUpdate.getLrsServerName()).isEqualTo("");
verify(watcher2).onChanged(cdsUpdateCaptor.capture());
cdsUpdate = cdsUpdateCaptor.getValue();
assertThat(cdsUpdate.getClusterName()).isEqualTo(cdsResource);
assertThat(cdsUpdate.getEdsServiceName()).isEqualTo(edsService);
assertThat(cdsUpdate.getLbPolicy()).isEqualTo("round_robin");
assertThat(cdsUpdate.getLrsServerName()).isEqualTo("");
}
@Test
public void edsResourceNotFound() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.EDS, EDS_RESOURCE, edsResourceWatcher);
List<Any> clusterLoadAssignments =
ImmutableList.of(
Any.pack(
buildClusterLoadAssignment("cluster-bar.googleapis.com",
ImmutableList.of(
buildLocalityLbEndpoints("region1", "zone1", "subzone1",
ImmutableList.of(
buildLbEndpoint("192.168.0.1", 8080, HealthStatus.HEALTHY, 2)),
1, 0)),
ImmutableList.<ClusterLoadAssignment.Policy.DropOverload>of())));
DiscoveryResponse response =
buildDiscoveryResponse("0", clusterLoadAssignments, ResourceType.EDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sent an ACK EDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", EDS_RESOURCE, ResourceType.EDS.typeUrl(), "0000")));
verifyNoInteractions(edsResourceWatcher);
fakeClock.forwardTime(ClientXdsClient.INITIAL_RESOURCE_FETCH_TIMEOUT_SEC, TimeUnit.SECONDS);
verify(edsResourceWatcher).onResourceDoesNotExist(EDS_RESOURCE);
assertThat(fakeClock.getPendingTasks(EDS_RESOURCE_FETCH_TIMEOUT_TASK_FILTER)).isEmpty();
}
@Test
public void edsResourceFound() {
RpcCall<DiscoveryRequest, DiscoveryResponse> call =
startResourceWatcher(ResourceType.EDS, EDS_RESOURCE, edsResourceWatcher);
List<Any> clusterLoadAssignments =
ImmutableList.of(
Any.pack(
buildClusterLoadAssignment(EDS_RESOURCE,
ImmutableList.of(
buildLocalityLbEndpoints("region1", "zone1", "subzone1",
ImmutableList.of(
buildLbEndpoint("192.168.0.1", 8080, HealthStatus.HEALTHY, 2)),
1, 0),
buildLocalityLbEndpoints("region3", "zone3", "subzone3",
ImmutableList.<io.envoyproxy.envoy.config.endpoint.v3.LbEndpoint>of(),
2, 1), /* locality with 0 endpoint */
buildLocalityLbEndpoints("region4", "zone4", "subzone4",
ImmutableList.of(
buildLbEndpoint("192.168.142.5", 80, HealthStatus.UNKNOWN, 5)),
0, 2) /* locality with 0 weight */),
ImmutableList.of(
buildDropOverload("lb", 200),
buildDropOverload("throttle", 1000)))));
DiscoveryResponse response =
buildDiscoveryResponse("0", clusterLoadAssignments, ResourceType.EDS.typeUrl(), "0000");
call.responseObserver.onNext(response);
// Client sent an ACK EDS request.
verify(call.requestObserver).onNext(
eq(buildDiscoveryRequest(NODE, "0", EDS_RESOURCE, ResourceType.EDS.typeUrl(), "0000")));
verify(edsResourceWatcher).onChanged(edsUpdateCaptor.capture());
EdsUpdate edsUpdate = edsUpdateCaptor.getValue();
assertThat(edsUpdate.getClusterName()).isEqualTo(EDS_RESOURCE);
assertThat(edsUpdate.getDropPolicies())
.containsExactly(
new DropOverload("lb", 200),
new DropOverload("throttle", 1000));
assertThat(edsUpdate.getLocalityLbEndpointsMap())
.containsExactly(
new Locality("region1", "zone1", "subzone1"),
new LocalityLbEndpoints(
ImmutableList.of(
new LbEndpoint("192.168.0.1", 8080,
2, true)), 1, 0),
new Locality("region3", "zone3", "subzone3"),
new LocalityLbEndpoints(ImmutableList.<LbEndpoint>of(), 2, 1));