Examples with EquivalentAddressGroup io.grpc.EquivalentAddressGroup used on opensource projects

Example 21 with EquivalentAddressGroup

use of io.grpc.EquivalentAddressGroup in project grpc-java by grpc.

the class ClusterImplLoadBalancerTest method nameResolutionError_afterChildPolicyInstantiated_propagateToDownstream.

@Test
public void nameResolutionError_afterChildPolicyInstantiated_propagateToDownstream() {
    FakeLoadBalancerProvider weightedTargetProvider = new FakeLoadBalancerProvider(XdsLbPolicies.WEIGHTED_TARGET_POLICY_NAME);
    Object weightedTargetConfig = new Object();
    ClusterImplConfig config = new ClusterImplConfig(CLUSTER, EDS_SERVICE_NAME, LRS_SERVER_INFO, null, Collections.<DropOverload>emptyList(), new PolicySelection(weightedTargetProvider, weightedTargetConfig), null);
    EquivalentAddressGroup endpoint = makeAddress("endpoint-addr", locality);
    deliverAddressesAndConfig(Collections.singletonList(endpoint), config);
    FakeLoadBalancer childBalancer = Iterables.getOnlyElement(downstreamBalancers);
    loadBalancer.handleNameResolutionError(Status.UNAVAILABLE.withDescription("cannot reach server"));
    assertThat(childBalancer.upstreamError.getCode()).isEqualTo(Code.UNAVAILABLE);
    assertThat(childBalancer.upstreamError.getDescription()).isEqualTo("cannot reach server");
}

Example 22 with EquivalentAddressGroup

use of io.grpc.EquivalentAddressGroup in project grpc-java by grpc.

the class OrcaOobUtilTest method setUp.

@Before
@SuppressWarnings("unchecked")
public void setUp() throws Exception {
    MockitoAnnotations.initMocks(this);
    for (int i = 0; i < NUM_SUBCHANNELS; i++) {
        orcaServiceImps[i] = new OpenRcaServiceImp();
        cleanupRule.register(InProcessServerBuilder.forName("orca-reporting-test-" + i).addService(orcaServiceImps[i]).directExecutor().build().start());
        ManagedChannel channel = cleanupRule.register(InProcessChannelBuilder.forName("orca-reporting-test-" + i).directExecutor().build());
        channels[i] = channel;
        EquivalentAddressGroup eag = new EquivalentAddressGroup(new FakeSocketAddress("address-" + i));
        List<EquivalentAddressGroup> eagList = Arrays.asList(eag);
        eagLists[i] = eagList;
        mockStateListeners[i] = mock(SubchannelStateListener.class);
    }
    when(backoffPolicyProvider.get()).thenReturn(backoffPolicy1, backoffPolicy2);
    when(backoffPolicy1.nextBackoffNanos()).thenReturn(11L, 21L);
    when(backoffPolicy2.nextBackoffNanos()).thenReturn(12L, 22L);
    orcaHelperWrapper = OrcaOobUtil.newOrcaReportingHelperWrapper(origHelper, mockOrcaListener0, backoffPolicyProvider, fakeClock.getStopwatchSupplier());
    parentHelperWrapper = OrcaOobUtil.newOrcaReportingHelperWrapper(origHelper, mockOrcaListener1, backoffPolicyProvider, fakeClock.getStopwatchSupplier());
    childHelperWrapper = OrcaOobUtil.newOrcaReportingHelperWrapper(parentHelperWrapper.asHelper(), mockOrcaListener2, backoffPolicyProvider, fakeClock.getStopwatchSupplier());
}

Example 23 with EquivalentAddressGroup

use of io.grpc.EquivalentAddressGroup in project grpc-java by grpc.

the class PriorityLoadBalancerTest method typicalPriorityFailOverFlowWithIdleUpdate.

@Test
public void typicalPriorityFailOverFlowWithIdleUpdate() {
    PriorityChildConfig priorityChildConfig0 = new PriorityChildConfig(new PolicySelection(fooLbProvider, new Object()), true);
    PriorityChildConfig priorityChildConfig1 = new PriorityChildConfig(new PolicySelection(fooLbProvider, new Object()), true);
    PriorityChildConfig priorityChildConfig2 = new PriorityChildConfig(new PolicySelection(fooLbProvider, new Object()), true);
    PriorityChildConfig priorityChildConfig3 = new PriorityChildConfig(new PolicySelection(fooLbProvider, new Object()), true);
    PriorityLbConfig priorityLbConfig = new PriorityLbConfig(ImmutableMap.of("p0", priorityChildConfig0, "p1", priorityChildConfig1, "p2", priorityChildConfig2, "p3", priorityChildConfig3), ImmutableList.of("p0", "p1", "p2", "p3"));
    priorityLb.handleResolvedAddresses(ResolvedAddresses.newBuilder().setAddresses(ImmutableList.<EquivalentAddressGroup>of()).setLoadBalancingPolicyConfig(priorityLbConfig).build());
    assertThat(fooBalancers).hasSize(1);
    assertThat(fooHelpers).hasSize(1);
    LoadBalancer balancer0 = Iterables.getLast(fooBalancers);
    Helper helper0 = Iterables.getOnlyElement(fooHelpers);
    // p0 gets IDLE.
    helper0.updateBalancingState(IDLE, BUFFER_PICKER);
    assertCurrentPickerIsBufferPicker();
    // p0 fails over to p1 immediately.
    helper0.updateBalancingState(TRANSIENT_FAILURE, new ErrorPicker(Status.ABORTED));
    assertLatestConnectivityState(CONNECTING);
    assertThat(fooBalancers).hasSize(2);
    assertThat(fooHelpers).hasSize(2);
    LoadBalancer balancer1 = Iterables.getLast(fooBalancers);
    // p1 timeout, and fails over to p2
    fakeClock.forwardTime(10, TimeUnit.SECONDS);
    assertLatestConnectivityState(CONNECTING);
    assertThat(fooBalancers).hasSize(3);
    assertThat(fooHelpers).hasSize(3);
    LoadBalancer balancer2 = Iterables.getLast(fooBalancers);
    Helper helper2 = Iterables.getLast(fooHelpers);
    // p2 gets IDLE
    helper2.updateBalancingState(IDLE, BUFFER_PICKER);
    assertCurrentPickerIsBufferPicker();
    // p0 gets back to IDLE
    helper0.updateBalancingState(IDLE, BUFFER_PICKER);
    assertCurrentPickerIsBufferPicker();
    // p2 fails but does not affect overall picker
    helper2.updateBalancingState(TRANSIENT_FAILURE, new ErrorPicker(Status.UNAVAILABLE));
    assertCurrentPickerIsBufferPicker();
    // p0 fails over to p3 immediately since p1 already timeout and p2 already in TRANSIENT_FAILURE.
    helper0.updateBalancingState(TRANSIENT_FAILURE, new ErrorPicker(Status.UNAVAILABLE));
    assertLatestConnectivityState(CONNECTING);
    assertThat(fooBalancers).hasSize(4);
    assertThat(fooHelpers).hasSize(4);
    LoadBalancer balancer3 = Iterables.getLast(fooBalancers);
    Helper helper3 = Iterables.getLast(fooHelpers);
    // p3 timeout then the channel should go to TRANSIENT_FAILURE
    fakeClock.forwardTime(10, TimeUnit.SECONDS);
    assertCurrentPickerReturnsError(Status.Code.UNAVAILABLE, "timeout");
    // p3 fails then the picker should have error status updated
    helper3.updateBalancingState(TRANSIENT_FAILURE, new ErrorPicker(Status.DATA_LOSS.withDescription("foo")));
    assertCurrentPickerReturnsError(Status.Code.DATA_LOSS, "foo");
    // p2 gets back to IDLE
    helper2.updateBalancingState(IDLE, BUFFER_PICKER);
    assertCurrentPickerIsBufferPicker();
    // p0 gets back to IDLE
    helper0.updateBalancingState(IDLE, BUFFER_PICKER);
    assertCurrentPickerIsBufferPicker();
    // p0 fails over to p2 and picker is updated to p2's existing picker.
    helper0.updateBalancingState(TRANSIENT_FAILURE, new ErrorPicker(Status.UNAVAILABLE));
    assertCurrentPickerIsBufferPicker();
    // Deactivate child balancer get deleted.
    fakeClock.forwardTime(15, TimeUnit.MINUTES);
    verify(balancer0, never()).shutdown();
    verify(balancer1, never()).shutdown();
    verify(balancer2, never()).shutdown();
    verify(balancer3).shutdown();
}

Example 24 with EquivalentAddressGroup

use of io.grpc.EquivalentAddressGroup in project grpc-java by grpc.

the class PriorityLoadBalancerTest method raceBetweenShutdownAndChildLbBalancingStateUpdate.

@Test
public void raceBetweenShutdownAndChildLbBalancingStateUpdate() {
    PriorityChildConfig priorityChildConfig0 = new PriorityChildConfig(new PolicySelection(fooLbProvider, new Object()), true);
    PriorityChildConfig priorityChildConfig1 = new PriorityChildConfig(new PolicySelection(fooLbProvider, new Object()), false);
    PriorityLbConfig priorityLbConfig = new PriorityLbConfig(ImmutableMap.of("p0", priorityChildConfig0, "p1", priorityChildConfig1), ImmutableList.of("p0", "p1"));
    priorityLb.handleResolvedAddresses(ResolvedAddresses.newBuilder().setAddresses(ImmutableList.<EquivalentAddressGroup>of()).setLoadBalancingPolicyConfig(priorityLbConfig).build());
    verify(helper).updateBalancingState(eq(CONNECTING), eq(BUFFER_PICKER));
    // LB shutdown and subchannel state change can happen simultaneously. If shutdown runs first,
    // any further balancing state update should be ignored.
    priorityLb.shutdown();
    // priority p0
    Helper priorityHelper0 = Iterables.getOnlyElement(fooHelpers);
    priorityHelper0.updateBalancingState(READY, mock(SubchannelPicker.class));
    verifyNoMoreInteractions(helper);
}

Example 25 with EquivalentAddressGroup

use of io.grpc.EquivalentAddressGroup in project grpc-java by grpc.

the class ClusterResolverLoadBalancerTest method onlyLogicalDnsCluster_handleRefreshNameResolution.

@Test
public void onlyLogicalDnsCluster_handleRefreshNameResolution() {
    ClusterResolverConfig config = new ClusterResolverConfig(Collections.singletonList(logicalDnsDiscoveryMechanism), roundRobin);
    deliverLbConfig(config);
    FakeNameResolver resolver = assertResolverCreated("/" + DNS_HOST_NAME);
    assertThat(childBalancers).isEmpty();
    EquivalentAddressGroup endpoint1 = makeAddress("endpoint-addr-1");
    EquivalentAddressGroup endpoint2 = makeAddress("endpoint-addr-2");
    resolver.deliverEndpointAddresses(Arrays.asList(endpoint1, endpoint2));
    assertThat(resolver.refreshCount).isEqualTo(0);
    verify(helper).ignoreRefreshNameResolutionCheck();
    FakeLoadBalancer childBalancer = Iterables.getOnlyElement(childBalancers);
    childBalancer.helper.refreshNameResolution();
    assertThat(resolver.refreshCount).isEqualTo(1);
}