#19839

Committed 02 Jun 2025 05:31AM UTC coverage: 88.584% (+0.04%) from 88.545%

Build # #19839

Build Type

Pull #12120

github

Committed by

web-flow

Commit Message

Merge 23e5bbfbc into 80ea4e9e6

Pull Request Pull Request #12120: Revert "xds: xDS-based HTTP CONNECT configuration (v1.71.x backport)"

Run Details

34276 of 38693 relevant lines covered (88.58%)

0.89 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

39.68

/../xds/src/main/java/io/grpc/xds/ClusterResolverLoadBalancerProvider.java

/*
 * Copyright 2020 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.base.Preconditions.checkNotNull;

import com.google.common.base.MoreObjects;
import com.google.common.collect.ImmutableMap;
import com.google.protobuf.Struct;
import io.grpc.Internal;
import io.grpc.LoadBalancer;
import io.grpc.LoadBalancer.Helper;
import io.grpc.LoadBalancerProvider;
import io.grpc.NameResolver.ConfigOrError;
import io.grpc.Status;
import io.grpc.xds.EnvoyServerProtoData.OutlierDetection;
import io.grpc.xds.EnvoyServerProtoData.UpstreamTlsContext;
import io.grpc.xds.client.Bootstrapper.ServerInfo;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import javax.annotation.Nullable;

/**
 * The provider for the cluster_resolver load balancing policy. This class should not be directly
 * referenced in code.  The policy should be accessed through
 * {@link io.grpc.LoadBalancerRegistry#getProvider} with the name "cluster_resolver_experimental".
 */
@Internal
public final class ClusterResolverLoadBalancerProvider extends LoadBalancerProvider {

  @Override
  public boolean isAvailable() {
    return true;
  }

  @Override
  public int getPriority() {
    return 5;
  }

  @Override
  public String getPolicyName() {
    return XdsLbPolicies.CLUSTER_RESOLVER_POLICY_NAME;
  }

  @Override
  public ConfigOrError parseLoadBalancingPolicyConfig(Map<String, ?> rawLoadBalancingPolicyConfig) {
    return ConfigOrError.fromError(
        Status.INTERNAL.withDescription(getPolicyName() + " cannot be used from service config"));
  }

  @Override
  public LoadBalancer newLoadBalancer(Helper helper) {
    return new ClusterResolverLoadBalancer(helper);
  }

  static final class ClusterResolverConfig {
    // Ordered list of clusters to be resolved.
    final List<DiscoveryMechanism> discoveryMechanisms;
    // GracefulSwitch configuration
    final Object lbConfig;

    ClusterResolverConfig(List<DiscoveryMechanism> discoveryMechanisms, Object lbConfig) {
      this.discoveryMechanisms = checkNotNull(discoveryMechanisms, "discoveryMechanisms");
      this.lbConfig = checkNotNull(lbConfig, "lbConfig");
    }

    @Override
    public int hashCode() {
      return Objects.hash(discoveryMechanisms, lbConfig);
    }

    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (o == null || getClass() != o.getClass()) {
        return false;
      }
      ClusterResolverConfig that = (ClusterResolverConfig) o;
      return discoveryMechanisms.equals(that.discoveryMechanisms)
          && lbConfig.equals(that.lbConfig);
    }

    @Override
    public String toString() {
      return MoreObjects.toStringHelper(this)
          .add("discoveryMechanisms", discoveryMechanisms)
          .add("lbConfig", lbConfig)
          .toString();
    }

    // Describes the mechanism for a specific cluster.
    static final class DiscoveryMechanism {
      // Name of the cluster to resolve.
      final String cluster;
      // Type of the cluster.
      final Type type;
      // Load reporting server info. Null if not enabled.
      @Nullable
      final ServerInfo lrsServerInfo;
      // Cluster-level max concurrent request threshold. Null if not specified.
      @Nullable
      final Long maxConcurrentRequests;
      // TLS context for connections to endpoints in the cluster.
      @Nullable
      final UpstreamTlsContext tlsContext;
      // Resource name for resolving endpoints via EDS. Only valid for EDS clusters.
      @Nullable
      final String edsServiceName;
      // Hostname for resolving endpoints via DNS. Only valid for LOGICAL_DNS clusters.
      @Nullable
      final String dnsHostName;
      @Nullable
      final OutlierDetection outlierDetection;
      final Map<String, Struct> filterMetadata;

      enum Type {
        EDS,
        LOGICAL_DNS,
      }

      private DiscoveryMechanism(String cluster, Type type, @Nullable String edsServiceName,
          @Nullable String dnsHostName, @Nullable ServerInfo lrsServerInfo,
          @Nullable Long maxConcurrentRequests, @Nullable UpstreamTlsContext tlsContext,
          Map<String, Struct> filterMetadata, @Nullable OutlierDetection outlierDetection) {
        this.cluster = checkNotNull(cluster, "cluster");
        this.type = checkNotNull(type, "type");
        this.edsServiceName = edsServiceName;
        this.dnsHostName = dnsHostName;
        this.lrsServerInfo = lrsServerInfo;
        this.maxConcurrentRequests = maxConcurrentRequests;
        this.tlsContext = tlsContext;
        this.filterMetadata = ImmutableMap.copyOf(checkNotNull(filterMetadata, "filterMetadata"));
        this.outlierDetection = outlierDetection;
      }

      static DiscoveryMechanism forEds(String cluster, @Nullable String edsServiceName,
          @Nullable ServerInfo lrsServerInfo, @Nullable Long maxConcurrentRequests,
          @Nullable UpstreamTlsContext tlsContext, Map<String, Struct> filterMetadata,
          OutlierDetection outlierDetection) {
        return new DiscoveryMechanism(cluster, Type.EDS, edsServiceName, null, lrsServerInfo,
            maxConcurrentRequests, tlsContext, filterMetadata, outlierDetection);
      }

      static DiscoveryMechanism forLogicalDns(String cluster, String dnsHostName,
          @Nullable ServerInfo lrsServerInfo, @Nullable Long maxConcurrentRequests,
          @Nullable UpstreamTlsContext tlsContext, Map<String, Struct> filterMetadata) {
        return new DiscoveryMechanism(cluster, Type.LOGICAL_DNS, null, dnsHostName,
            lrsServerInfo, maxConcurrentRequests, tlsContext, filterMetadata, null);
      }

      @Override
      public int hashCode() {
        return Objects.hash(cluster, type, lrsServerInfo, maxConcurrentRequests, tlsContext,
            edsServiceName, dnsHostName, filterMetadata, outlierDetection);
      }

      @Override
      public boolean equals(Object o) {
        if (this == o) {
          return true;
        }
        if (o == null || getClass() != o.getClass()) {
          return false;
        }
        DiscoveryMechanism that = (DiscoveryMechanism) o;
        return cluster.equals(that.cluster)
            && type == that.type
            && Objects.equals(edsServiceName, that.edsServiceName)
            && Objects.equals(dnsHostName, that.dnsHostName)
            && Objects.equals(lrsServerInfo, that.lrsServerInfo)
            && Objects.equals(maxConcurrentRequests, that.maxConcurrentRequests)
            && Objects.equals(tlsContext, that.tlsContext)
            && Objects.equals(filterMetadata, that.filterMetadata)
            && Objects.equals(outlierDetection, that.outlierDetection);
      }

      @Override
      public String toString() {
        MoreObjects.ToStringHelper toStringHelper =
            MoreObjects.toStringHelper(this)
                .add("cluster", cluster)
                .add("type", type)
                .add("edsServiceName", edsServiceName)
                .add("dnsHostName", dnsHostName)
                .add("lrsServerInfo", lrsServerInfo)
                // Exclude tlsContext as its string representation is cumbersome.
                .add("maxConcurrentRequests", maxConcurrentRequests)
                .add("filterMetadata", filterMetadata)
                // Exclude outlierDetection as its string representation is long.
                ;
        return toStringHelper.toString();
      }
    }
  }
}

1	/*
2	* Copyright 2020 The gRPC Authors
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16
17	package io.grpc.xds;
18
19	import static com.google.common.base.Preconditions.checkNotNull;
20
21	import com.google.common.base.MoreObjects;
22	import com.google.common.collect.ImmutableMap;
23	import com.google.protobuf.Struct;
24	import io.grpc.Internal;
25	import io.grpc.LoadBalancer;
26	import io.grpc.LoadBalancer.Helper;
27	import io.grpc.LoadBalancerProvider;
28	import io.grpc.NameResolver.ConfigOrError;
29	import io.grpc.Status;
30	import io.grpc.xds.EnvoyServerProtoData.OutlierDetection;
31	import io.grpc.xds.EnvoyServerProtoData.UpstreamTlsContext;
32	import io.grpc.xds.client.Bootstrapper.ServerInfo;
33	import java.util.List;
34	import java.util.Map;
35	import java.util.Objects;
36	import javax.annotation.Nullable;
37
38	/**
39	* The provider for the cluster_resolver load balancing policy. This class should not be directly
40	* referenced in code. The policy should be accessed through
41	* {@link io.grpc.LoadBalancerRegistry#getProvider} with the name "cluster_resolver_experimental".
42	*/
43	@Internal
44	public final class ClusterResolverLoadBalancerProvider extends LoadBalancerProvider {	1✔
45
46	@Override
47	public boolean isAvailable() {
48	return true;	1✔
49	}
50
51	@Override
52	public int getPriority() {
53	return 5;	1✔
54	}
55
56	@Override
57	public String getPolicyName() {
58	return XdsLbPolicies.CLUSTER_RESOLVER_POLICY_NAME;	1✔
59	}
60
61	@Override
62	public ConfigOrError parseLoadBalancingPolicyConfig(Map<String, ?> rawLoadBalancingPolicyConfig) {
63	return ConfigOrError.fromError(	×
64	Status.INTERNAL.withDescription(getPolicyName() + " cannot be used from service config"));	×
65	}
66
67	@Override
68	public LoadBalancer newLoadBalancer(Helper helper) {
69	return new ClusterResolverLoadBalancer(helper);	1✔
70	}
71
72	static final class ClusterResolverConfig {
73	// Ordered list of clusters to be resolved.
74	final List<DiscoveryMechanism> discoveryMechanisms;
75	// GracefulSwitch configuration
76	final Object lbConfig;
77
78	ClusterResolverConfig(List<DiscoveryMechanism> discoveryMechanisms, Object lbConfig) {	1✔
79	this.discoveryMechanisms = checkNotNull(discoveryMechanisms, "discoveryMechanisms");	1✔
80	this.lbConfig = checkNotNull(lbConfig, "lbConfig");	1✔
81	}	1✔
82
83	@Override
84	public int hashCode() {
85	return Objects.hash(discoveryMechanisms, lbConfig);	×
86	}
87
88	@Override
89	public boolean equals(Object o) {
90	if (this == o) {	×
91	return true;	×
92	}
93	if (o == null \|\| getClass() != o.getClass()) {	×
94	return false;	×
95	}
96	ClusterResolverConfig that = (ClusterResolverConfig) o;	×
97	return discoveryMechanisms.equals(that.discoveryMechanisms)	×
98	&& lbConfig.equals(that.lbConfig);	×
99	}
100
101	@Override
102	public String toString() {
103	return MoreObjects.toStringHelper(this)	×
104	.add("discoveryMechanisms", discoveryMechanisms)	×
105	.add("lbConfig", lbConfig)	×
106	.toString();	×
107	}
108
109	// Describes the mechanism for a specific cluster.
110	static final class DiscoveryMechanism {
111	// Name of the cluster to resolve.
112	final String cluster;
113	// Type of the cluster.
114	final Type type;
115	// Load reporting server info. Null if not enabled.
116	@Nullable
117	final ServerInfo lrsServerInfo;
118	// Cluster-level max concurrent request threshold. Null if not specified.
119	@Nullable
120	final Long maxConcurrentRequests;
121	// TLS context for connections to endpoints in the cluster.
122	@Nullable
123	final UpstreamTlsContext tlsContext;
124	// Resource name for resolving endpoints via EDS. Only valid for EDS clusters.
125	@Nullable
126	final String edsServiceName;
127	// Hostname for resolving endpoints via DNS. Only valid for LOGICAL_DNS clusters.
128	@Nullable
129	final String dnsHostName;
130	@Nullable
131	final OutlierDetection outlierDetection;
132	final Map<String, Struct> filterMetadata;
133
134	enum Type {	1✔
135	EDS,	1✔
136	LOGICAL_DNS,	1✔
137	}
138
139	private DiscoveryMechanism(String cluster, Type type, @Nullable String edsServiceName,
140	@Nullable String dnsHostName, @Nullable ServerInfo lrsServerInfo,
141	@Nullable Long maxConcurrentRequests, @Nullable UpstreamTlsContext tlsContext,
142	Map<String, Struct> filterMetadata, @Nullable OutlierDetection outlierDetection) {	1✔
143	this.cluster = checkNotNull(cluster, "cluster");	1✔
144	this.type = checkNotNull(type, "type");	1✔
145	this.edsServiceName = edsServiceName;	1✔
146	this.dnsHostName = dnsHostName;	1✔
147	this.lrsServerInfo = lrsServerInfo;	1✔
148	this.maxConcurrentRequests = maxConcurrentRequests;	1✔
149	this.tlsContext = tlsContext;	1✔
150	this.filterMetadata = ImmutableMap.copyOf(checkNotNull(filterMetadata, "filterMetadata"));	1✔
151	this.outlierDetection = outlierDetection;	1✔
152	}	1✔
153
154	static DiscoveryMechanism forEds(String cluster, @Nullable String edsServiceName,
155	@Nullable ServerInfo lrsServerInfo, @Nullable Long maxConcurrentRequests,
156	@Nullable UpstreamTlsContext tlsContext, Map<String, Struct> filterMetadata,
157	OutlierDetection outlierDetection) {
158	return new DiscoveryMechanism(cluster, Type.EDS, edsServiceName, null, lrsServerInfo,	1✔
159	maxConcurrentRequests, tlsContext, filterMetadata, outlierDetection);
160	}
161
162	static DiscoveryMechanism forLogicalDns(String cluster, String dnsHostName,
163	@Nullable ServerInfo lrsServerInfo, @Nullable Long maxConcurrentRequests,
164	@Nullable UpstreamTlsContext tlsContext, Map<String, Struct> filterMetadata) {
165	return new DiscoveryMechanism(cluster, Type.LOGICAL_DNS, null, dnsHostName,	1✔
166	lrsServerInfo, maxConcurrentRequests, tlsContext, filterMetadata, null);
167	}
168
169	@Override
170	public int hashCode() {
171	return Objects.hash(cluster, type, lrsServerInfo, maxConcurrentRequests, tlsContext,	×
172	edsServiceName, dnsHostName, filterMetadata, outlierDetection);
173	}
174
175	@Override
176	public boolean equals(Object o) {
177	if (this == o) {	×
178	return true;	×
179	}
180	if (o == null \|\| getClass() != o.getClass()) {	×
181	return false;	×
182	}
183	DiscoveryMechanism that = (DiscoveryMechanism) o;	×
184	return cluster.equals(that.cluster)	×
185	&& type == that.type
186	&& Objects.equals(edsServiceName, that.edsServiceName)	×
187	&& Objects.equals(dnsHostName, that.dnsHostName)	×
188	&& Objects.equals(lrsServerInfo, that.lrsServerInfo)	×
189	&& Objects.equals(maxConcurrentRequests, that.maxConcurrentRequests)	×
190	&& Objects.equals(tlsContext, that.tlsContext)	×
191	&& Objects.equals(filterMetadata, that.filterMetadata)	×
192	&& Objects.equals(outlierDetection, that.outlierDetection);	×
193	}
194
195	@Override
196	public String toString() {
197	MoreObjects.ToStringHelper toStringHelper =	×
198	MoreObjects.toStringHelper(this)	×
199	.add("cluster", cluster)	×
200	.add("type", type)	×
201	.add("edsServiceName", edsServiceName)	×
202	.add("dnsHostName", dnsHostName)	×
203	.add("lrsServerInfo", lrsServerInfo)	×
204	// Exclude tlsContext as its string representation is cumbersome.
205	.add("maxConcurrentRequests", maxConcurrentRequests)	×
206	.add("filterMetadata", filterMetadata)	×
207	// Exclude outlierDetection as its string representation is long.
208	;
209	return toStringHelper.toString();	×
210	}
211	}
212	}
213	}

grpc / grpc-java / #19839

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous