parent
ae7f86c715
commit
47c638e76d
@ -1,85 +0,0 @@
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/*
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* Tencent is pleased to support the open source community by making spring-cloud-tencent available.
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*
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* Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.tencent.cloud.polaris.router;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.function.Function;
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import java.util.stream.Collectors;
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import com.tencent.cloud.common.constant.MetadataConstant;
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import com.tencent.cloud.common.metadata.MetadataContext;
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import com.tencent.cloud.common.metadata.MetadataContextHolder;
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import com.tencent.cloud.rpc.enhancement.transformer.InstanceTransformer;
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import com.tencent.polaris.api.pojo.DefaultServiceInstances;
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import com.tencent.polaris.api.pojo.Instance;
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import com.tencent.polaris.api.pojo.ServiceInstances;
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import com.tencent.polaris.api.pojo.ServiceKey;
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import org.reactivestreams.Publisher;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import reactor.core.publisher.Flux;
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import org.springframework.cloud.client.ServiceInstance;
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import org.springframework.util.CollectionUtils;
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/**
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* load balancer utils.
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*
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* @author lepdou 2022-05-17
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*/
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public final class RouterUtils {
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private static final Logger LOGGER = LoggerFactory.getLogger(RouterUtils.class);
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private static final int WAIT_TIME = 3;
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private RouterUtils() {
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}
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/**
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* transfer servers to ServiceInstances.
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*
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* @param servers servers
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* @param instanceTransformer instanceTransformer
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* @return ServiceInstances
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*/
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public static ServiceInstances transferServersToServiceInstances(Flux<List<ServiceInstance>> servers, InstanceTransformer instanceTransformer) {
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List<Instance> instanceList = Collections.synchronizedList(new ArrayList<>());
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servers.flatMap((Function<List<ServiceInstance>, Publisher<?>>) serviceInstances ->
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Flux.fromIterable(serviceInstances.stream()
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.map(instanceTransformer::transform)
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.collect(Collectors.toList()))).subscribe(instance -> instanceList.add((Instance) instance));
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String serviceName = "";
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Map<String, String> serviceMetadata = new HashMap<>();
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if (!CollectionUtils.isEmpty(instanceList)) {
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serviceName = instanceList.get(0).getService();
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serviceMetadata = instanceList.get(0).getServiceMetadata();
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}
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String namespace = MetadataContextHolder.get().getContext(MetadataContext.FRAGMENT_APPLICATION_NONE,
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MetadataConstant.POLARIS_TARGET_NAMESPACE, MetadataContext.LOCAL_NAMESPACE);
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ServiceKey serviceKey = new ServiceKey(namespace, serviceName);
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return new DefaultServiceInstances(serviceKey, instanceList, serviceMetadata);
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}
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}
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@ -1,111 +0,0 @@
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/*
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* Tencent is pleased to support the open source community by making spring-cloud-tencent available.
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*
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* Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.tencent.cloud.polaris.router;
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import java.util.ArrayList;
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import java.util.List;
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import com.tencent.cloud.common.metadata.MetadataContext;
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import com.tencent.cloud.common.metadata.MetadataContextHolder;
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import com.tencent.cloud.common.pojo.PolarisServiceInstance;
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import com.tencent.cloud.common.util.ApplicationContextAwareUtils;
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import com.tencent.cloud.rpc.enhancement.transformer.PolarisInstanceTransformer;
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import com.tencent.polaris.api.pojo.DefaultInstance;
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import com.tencent.polaris.api.pojo.Instance;
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import com.tencent.polaris.api.pojo.ServiceInstances;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.api.extension.ExtendWith;
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import org.mockito.MockedStatic;
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import org.mockito.Mockito;
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import org.mockito.junit.jupiter.MockitoExtension;
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import reactor.core.publisher.Flux;
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import org.springframework.cloud.client.ServiceInstance;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.mockito.ArgumentMatchers.anyString;
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import static org.mockito.Mockito.mockStatic;
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/**
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* Test for ${@link RouterUtils}.
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*
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* @author lepdou 2022-07-04
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*/
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@ExtendWith(MockitoExtension.class)
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public class RouterUtilsTest {
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private static final String testNamespaceAndService = "testNamespaceAndService";
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@BeforeAll
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static void beforeAll() {
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MetadataContext.LOCAL_NAMESPACE = testNamespaceAndService;
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}
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@Test
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public void testTransferEmptyInstances() {
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ServiceInstances serviceInstances = RouterUtils.transferServersToServiceInstances(Flux.empty(), new PolarisInstanceTransformer());
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assertThat(serviceInstances.getInstances()).isNotNull();
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assertThat(serviceInstances.getInstances()).isEmpty();
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}
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@Test
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public void testTransferNotEmptyInstances() {
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try (
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MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils = mockStatic(ApplicationContextAwareUtils.class);
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MockedStatic<MetadataContextHolder> mockedMetadataContextHolder = mockStatic(MetadataContextHolder.class)
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) {
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mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties(anyString()))
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.thenReturn(testNamespaceAndService);
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MetadataContext metadataContext = Mockito.mock(MetadataContext.class);
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mockedMetadataContextHolder.when(MetadataContextHolder::get).thenReturn(metadataContext);
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Mockito.when(metadataContext.getContext(anyString(), anyString(), anyString()))
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.thenReturn(testNamespaceAndService);
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int instanceSize = 100;
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int weight = 50;
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List<ServiceInstance> instances = new ArrayList<>();
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for (int i = 0; i < instanceSize; i++) {
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DefaultInstance instance = new DefaultInstance();
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instance.setService(testNamespaceAndService);
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instance.setId("ins" + i);
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instance.setPort(8080);
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instance.setHost("127.0.0." + i);
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instance.setWeight(weight);
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instances.add(new PolarisServiceInstance(instance));
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}
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ServiceInstances serviceInstances = RouterUtils.transferServersToServiceInstances(Flux.just(instances), new PolarisInstanceTransformer());
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assertThat(serviceInstances.getInstances()).isNotNull();
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assertThat(serviceInstances.getInstances().size()).isEqualTo(instanceSize);
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List<Instance> polarisInstances = serviceInstances.getInstances();
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for (int i = 0; i < instanceSize; i++) {
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Instance instance = polarisInstances.get(i);
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assertThat(instance.getNamespace()).isEqualTo(testNamespaceAndService);
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assertThat(instance.getService()).isEqualTo(testNamespaceAndService);
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assertThat(instance.getId()).isEqualTo("ins" + i);
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assertThat(instance.getHost()).isEqualTo("127.0.0." + i);
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assertThat(instance.getPort()).isEqualTo(8080);
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assertThat(instance.getWeight()).isEqualTo(weight);
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}
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}
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}
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}
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