Examples with ClusterImplConfig io.grpc.xds.ClusterImplLoadBalancerProvider.ClusterImplConfig used on opensource projects

Example 11 with ClusterImplConfig

use of io.grpc.xds.ClusterImplLoadBalancerProvider.ClusterImplConfig in project grpc-java by grpc.

the class ClusterImplLoadBalancer method handleResolvedAddresses.

@Override
public void handleResolvedAddresses(ResolvedAddresses resolvedAddresses) {
    logger.log(XdsLogLevel.DEBUG, "Received resolution result: {0}", resolvedAddresses);
    Attributes attributes = resolvedAddresses.getAttributes();
    if (xdsClientPool == null) {
        xdsClientPool = attributes.get(InternalXdsAttributes.XDS_CLIENT_POOL);
        xdsClient = xdsClientPool.getObject();
    }
    if (callCounterProvider == null) {
        callCounterProvider = attributes.get(InternalXdsAttributes.CALL_COUNTER_PROVIDER);
    }
    ClusterImplConfig config = (ClusterImplConfig) resolvedAddresses.getLoadBalancingPolicyConfig();
    if (cluster == null) {
        cluster = config.cluster;
        edsServiceName = config.edsServiceName;
        childLbHelper = new ClusterImplLbHelper(callCounterProvider.getOrCreate(config.cluster, config.edsServiceName), config.lrsServerInfo);
        childLb = config.childPolicy.getProvider().newLoadBalancer(childLbHelper);
        // Assume load report server does not change throughout cluster lifetime.
        if (config.lrsServerInfo != null) {
            dropStats = xdsClient.addClusterDropStats(config.lrsServerInfo, cluster, edsServiceName);
        }
    }
    childLbHelper.updateDropPolicies(config.dropCategories);
    childLbHelper.updateMaxConcurrentRequests(config.maxConcurrentRequests);
    childLbHelper.updateSslContextProviderSupplier(config.tlsContext);
    childLb.handleResolvedAddresses(resolvedAddresses.toBuilder().setAttributes(attributes).setLoadBalancingPolicyConfig(config.childPolicy.getConfig()).build());
}

Example 12 with ClusterImplConfig

use of io.grpc.xds.ClusterImplLoadBalancerProvider.ClusterImplConfig in project grpc-java by grpc.

the class ClusterImplLoadBalancerTest method handleResolvedAddresses_propagateToChildPolicy.

@Test
public void handleResolvedAddresses_propagateToChildPolicy() {
    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);
    assertThat(Iterables.getOnlyElement(childBalancer.addresses)).isEqualTo(endpoint);
    assertThat(childBalancer.config).isSameInstanceAs(weightedTargetConfig);
    assertThat(childBalancer.attributes.get(InternalXdsAttributes.XDS_CLIENT_POOL)).isSameInstanceAs(xdsClientPool);
}

Example 13 with ClusterImplConfig

use of io.grpc.xds.ClusterImplLoadBalancerProvider.ClusterImplConfig in project grpc-java by grpc.

the class ClusterImplLoadBalancerTest method endpointAddressesAttachedWithClusterName.

@Test
public void endpointAddressesAttachedWithClusterName() {
    LoadBalancerProvider weightedTargetProvider = new WeightedTargetLoadBalancerProvider();
    WeightedTargetConfig weightedTargetConfig = buildWeightedTargetConfig(ImmutableMap.of(locality, 10));
    ClusterImplConfig config = new ClusterImplConfig(CLUSTER, EDS_SERVICE_NAME, LRS_SERVER_INFO, null, Collections.<DropOverload>emptyList(), new PolicySelection(weightedTargetProvider, weightedTargetConfig), null);
    // One locality with two endpoints.
    EquivalentAddressGroup endpoint1 = makeAddress("endpoint-addr1", locality);
    EquivalentAddressGroup endpoint2 = makeAddress("endpoint-addr2", locality);
    deliverAddressesAndConfig(Arrays.asList(endpoint1, endpoint2), config);
    // one leaf balancer
    assertThat(downstreamBalancers).hasSize(1);
    FakeLoadBalancer leafBalancer = Iterables.getOnlyElement(downstreamBalancers);
    assertThat(leafBalancer.name).isEqualTo("round_robin");
    // Simulates leaf load balancer creating subchannels.
    CreateSubchannelArgs args = CreateSubchannelArgs.newBuilder().setAddresses(leafBalancer.addresses).build();
    Subchannel subchannel = leafBalancer.helper.createSubchannel(args);
    for (EquivalentAddressGroup eag : subchannel.getAllAddresses()) {
        assertThat(eag.getAttributes().get(InternalXdsAttributes.ATTR_CLUSTER_NAME)).isEqualTo(CLUSTER);
    }
}

Example 14 with ClusterImplConfig

use of io.grpc.xds.ClusterImplLoadBalancerProvider.ClusterImplConfig in project grpc-java by grpc.

the class ClusterImplLoadBalancerTest method subtest_endpointAddressesAttachedWithTlsConfig.

private void subtest_endpointAddressesAttachedWithTlsConfig(boolean enableSecurity) {
    UpstreamTlsContext upstreamTlsContext = CommonTlsContextTestsUtil.buildUpstreamTlsContext("google_cloud_private_spiffe", true);
    LoadBalancerProvider weightedTargetProvider = new WeightedTargetLoadBalancerProvider();
    WeightedTargetConfig weightedTargetConfig = buildWeightedTargetConfig(ImmutableMap.of(locality, 10));
    ClusterImplConfig config = new ClusterImplConfig(CLUSTER, EDS_SERVICE_NAME, LRS_SERVER_INFO, null, Collections.<DropOverload>emptyList(), new PolicySelection(weightedTargetProvider, weightedTargetConfig), upstreamTlsContext);
    // One locality with two endpoints.
    EquivalentAddressGroup endpoint1 = makeAddress("endpoint-addr1", locality);
    EquivalentAddressGroup endpoint2 = makeAddress("endpoint-addr2", locality);
    deliverAddressesAndConfig(Arrays.asList(endpoint1, endpoint2), config);
    // one leaf balancer
    assertThat(downstreamBalancers).hasSize(1);
    FakeLoadBalancer leafBalancer = Iterables.getOnlyElement(downstreamBalancers);
    assertThat(leafBalancer.name).isEqualTo("round_robin");
    // Simulates leaf load balancer creating subchannels.
    CreateSubchannelArgs args = CreateSubchannelArgs.newBuilder().setAddresses(leafBalancer.addresses).build();
    Subchannel subchannel = leafBalancer.helper.createSubchannel(args);
    for (EquivalentAddressGroup eag : subchannel.getAllAddresses()) {
        SslContextProviderSupplier supplier = eag.getAttributes().get(InternalXdsAttributes.ATTR_SSL_CONTEXT_PROVIDER_SUPPLIER);
        if (enableSecurity) {
            assertThat(supplier.getTlsContext()).isEqualTo(upstreamTlsContext);
        } else {
            assertThat(supplier).isNull();
        }
    }
    // Removes UpstreamTlsContext from the config.
    config = new ClusterImplConfig(CLUSTER, EDS_SERVICE_NAME, LRS_SERVER_INFO, null, Collections.<DropOverload>emptyList(), new PolicySelection(weightedTargetProvider, weightedTargetConfig), null);
    deliverAddressesAndConfig(Arrays.asList(endpoint1, endpoint2), config);
    assertThat(Iterables.getOnlyElement(downstreamBalancers)).isSameInstanceAs(leafBalancer);
    // creates new connections
    subchannel = leafBalancer.helper.createSubchannel(args);
    for (EquivalentAddressGroup eag : subchannel.getAllAddresses()) {
        assertThat(eag.getAttributes().get(InternalXdsAttributes.ATTR_SSL_CONTEXT_PROVIDER_SUPPLIER)).isNull();
    }
    // Config with a new UpstreamTlsContext.
    upstreamTlsContext = CommonTlsContextTestsUtil.buildUpstreamTlsContext("google_cloud_private_spiffe1", true);
    config = new ClusterImplConfig(CLUSTER, EDS_SERVICE_NAME, LRS_SERVER_INFO, null, Collections.<DropOverload>emptyList(), new PolicySelection(weightedTargetProvider, weightedTargetConfig), upstreamTlsContext);
    deliverAddressesAndConfig(Arrays.asList(endpoint1, endpoint2), config);
    assertThat(Iterables.getOnlyElement(downstreamBalancers)).isSameInstanceAs(leafBalancer);
    // creates new connections
    subchannel = leafBalancer.helper.createSubchannel(args);
    for (EquivalentAddressGroup eag : subchannel.getAllAddresses()) {
        SslContextProviderSupplier supplier = eag.getAttributes().get(InternalXdsAttributes.ATTR_SSL_CONTEXT_PROVIDER_SUPPLIER);
        if (enableSecurity) {
            assertThat(supplier.isShutdown()).isFalse();
            assertThat(supplier.getTlsContext()).isEqualTo(upstreamTlsContext);
        } else {
            assertThat(supplier).isNull();
        }
    }
    loadBalancer.shutdown();
    for (EquivalentAddressGroup eag : subchannel.getAllAddresses()) {
        SslContextProviderSupplier supplier = eag.getAttributes().get(InternalXdsAttributes.ATTR_SSL_CONTEXT_PROVIDER_SUPPLIER);
        if (enableSecurity) {
            assertThat(supplier.isShutdown()).isTrue();
        }
    }
    loadBalancer = null;
}

Example 15 with ClusterImplConfig

use of io.grpc.xds.ClusterImplLoadBalancerProvider.ClusterImplConfig in project grpc-java by grpc.

the class ClusterResolverLoadBalancerTest method onlyEdsClusters_receivedEndpoints.

@Test
public void onlyEdsClusters_receivedEndpoints() {
    ClusterResolverConfig config = new ClusterResolverConfig(Arrays.asList(edsDiscoveryMechanism1, edsDiscoveryMechanism2), roundRobin);
    deliverLbConfig(config);
    assertThat(xdsClient.watchers.keySet()).containsExactly(EDS_SERVICE_NAME1, EDS_SERVICE_NAME2);
    assertThat(childBalancers).isEmpty();
    // CLUSTER1 has priority 1 (priority3), which has locality 2, which has endpoint3.
    // CLUSTER2 has priority 1 (priority1) and 2 (priority2); priority1 has locality1,
    // which has endpoint1 and endpoint2; priority2 has locality3, which has endpoint4.
    EquivalentAddressGroup endpoint1 = makeAddress("endpoint-addr-1");
    EquivalentAddressGroup endpoint2 = makeAddress("endpoint-addr-2");
    EquivalentAddressGroup endpoint3 = makeAddress("endpoint-addr-3");
    EquivalentAddressGroup endpoint4 = makeAddress("endpoint-addr-4");
    LocalityLbEndpoints localityLbEndpoints1 = LocalityLbEndpoints.create(Arrays.asList(LbEndpoint.create(endpoint1, 100, true), LbEndpoint.create(endpoint2, 100, true)), 70, /* localityWeight */
    1);
    LocalityLbEndpoints localityLbEndpoints2 = LocalityLbEndpoints.create(Collections.singletonList(LbEndpoint.create(endpoint3, 100, true)), 10, /* localityWeight */
    1);
    LocalityLbEndpoints localityLbEndpoints3 = LocalityLbEndpoints.create(Collections.singletonList(LbEndpoint.create(endpoint4, 100, true)), 20, /* localityWeight */
    2);
    String priority1 = CLUSTER2 + "[priority1]";
    String priority2 = CLUSTER2 + "[priority2]";
    String priority3 = CLUSTER1 + "[priority1]";
    // CLUSTER2: locality1 with priority 1 and locality3 with priority 2.
    xdsClient.deliverClusterLoadAssignment(EDS_SERVICE_NAME2, ImmutableMap.of(locality1, localityLbEndpoints1, locality3, localityLbEndpoints3));
    // not created until all clusters resolved
    assertThat(childBalancers).isEmpty();
    // CLUSTER1: locality2 with priority 1.
    xdsClient.deliverClusterLoadAssignment(EDS_SERVICE_NAME1, Collections.singletonMap(locality2, localityLbEndpoints2));
    // Endpoints of all clusters have been resolved.
    assertThat(childBalancers).hasSize(1);
    FakeLoadBalancer childBalancer = Iterables.getOnlyElement(childBalancers);
    assertThat(childBalancer.name).isEqualTo(PRIORITY_POLICY_NAME);
    PriorityLbConfig priorityLbConfig = (PriorityLbConfig) childBalancer.config;
    assertThat(priorityLbConfig.priorities).containsExactly(priority3, priority1, priority2).inOrder();
    PriorityChildConfig priorityChildConfig1 = priorityLbConfig.childConfigs.get(priority1);
    assertThat(priorityChildConfig1.ignoreReresolution).isTrue();
    assertThat(priorityChildConfig1.policySelection.getProvider().getPolicyName()).isEqualTo(CLUSTER_IMPL_POLICY_NAME);
    ClusterImplConfig clusterImplConfig1 = (ClusterImplConfig) priorityChildConfig1.policySelection.getConfig();
    assertClusterImplConfig(clusterImplConfig1, CLUSTER2, EDS_SERVICE_NAME2, LRS_SERVER_INFO, 200L, tlsContext, Collections.<DropOverload>emptyList(), WEIGHTED_TARGET_POLICY_NAME);
    WeightedTargetConfig weightedTargetConfig1 = (WeightedTargetConfig) clusterImplConfig1.childPolicy.getConfig();
    assertThat(weightedTargetConfig1.targets.keySet()).containsExactly(locality1.toString());
    WeightedPolicySelection target1 = weightedTargetConfig1.targets.get(locality1.toString());
    assertThat(target1.weight).isEqualTo(70);
    assertThat(target1.policySelection.getProvider().getPolicyName()).isEqualTo("round_robin");
    PriorityChildConfig priorityChildConfig2 = priorityLbConfig.childConfigs.get(priority2);
    assertThat(priorityChildConfig2.ignoreReresolution).isTrue();
    assertThat(priorityChildConfig2.policySelection.getProvider().getPolicyName()).isEqualTo(CLUSTER_IMPL_POLICY_NAME);
    ClusterImplConfig clusterImplConfig2 = (ClusterImplConfig) priorityChildConfig2.policySelection.getConfig();
    assertClusterImplConfig(clusterImplConfig2, CLUSTER2, EDS_SERVICE_NAME2, LRS_SERVER_INFO, 200L, tlsContext, Collections.<DropOverload>emptyList(), WEIGHTED_TARGET_POLICY_NAME);
    WeightedTargetConfig weightedTargetConfig2 = (WeightedTargetConfig) clusterImplConfig2.childPolicy.getConfig();
    assertThat(weightedTargetConfig2.targets.keySet()).containsExactly(locality3.toString());
    WeightedPolicySelection target2 = weightedTargetConfig2.targets.get(locality3.toString());
    assertThat(target2.weight).isEqualTo(20);
    assertThat(target2.policySelection.getProvider().getPolicyName()).isEqualTo("round_robin");
    List<EquivalentAddressGroup> priorityAddrs1 = AddressFilter.filter(childBalancer.addresses, priority1);
    assertThat(priorityAddrs1).hasSize(2);
    assertAddressesEqual(Arrays.asList(endpoint1, endpoint2), priorityAddrs1);
    List<EquivalentAddressGroup> priorityAddrs2 = AddressFilter.filter(childBalancer.addresses, priority2);
    assertThat(priorityAddrs2).hasSize(1);
    assertAddressesEqual(Collections.singletonList(endpoint4), priorityAddrs2);
    PriorityChildConfig priorityChildConfig3 = priorityLbConfig.childConfigs.get(priority3);
    assertThat(priorityChildConfig3.ignoreReresolution).isTrue();
    assertThat(priorityChildConfig3.policySelection.getProvider().getPolicyName()).isEqualTo(CLUSTER_IMPL_POLICY_NAME);
    ClusterImplConfig clusterImplConfig3 = (ClusterImplConfig) priorityChildConfig3.policySelection.getConfig();
    assertClusterImplConfig(clusterImplConfig3, CLUSTER1, EDS_SERVICE_NAME1, LRS_SERVER_INFO, 100L, tlsContext, Collections.<DropOverload>emptyList(), WEIGHTED_TARGET_POLICY_NAME);
    WeightedTargetConfig weightedTargetConfig3 = (WeightedTargetConfig) clusterImplConfig3.childPolicy.getConfig();
    assertThat(weightedTargetConfig3.targets.keySet()).containsExactly(locality2.toString());
    WeightedPolicySelection target3 = weightedTargetConfig3.targets.get(locality2.toString());
    assertThat(target3.weight).isEqualTo(10);
    assertThat(target3.policySelection.getProvider().getPolicyName()).isEqualTo("round_robin");
    List<EquivalentAddressGroup> priorityAddrs3 = AddressFilter.filter(childBalancer.addresses, priority3);
    assertThat(priorityAddrs3).hasSize(1);
    assertAddressesEqual(Collections.singletonList(endpoint3), priorityAddrs3);
}