upgrade to Spring Cloud Hoxton, close #917
fangjian0423
5 years ago
parent
1b8973d874
commit
e8ee68998e
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-alibaba</artifactId>
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<version>2.2.0.BUILD-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-cloud-circuitbreaker-sentinel</artifactId>
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<name>Spring Cloud Circuit Breaker Sentinel</name>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-commons</artifactId>
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</dependency>
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<dependency>
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<groupId>com.alibaba.csp</groupId>
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<artifactId>sentinel-core</artifactId>
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</dependency>
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<dependency>
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<groupId>com.alibaba.csp</groupId>
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<artifactId>sentinel-reactor-adapter</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>io.projectreactor</groupId>
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<artifactId>reactor-core</artifactId>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-webflux</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>io.projectreactor</groupId>
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<artifactId>reactor-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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</project>
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@ -0,0 +1,104 @@
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/*
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* Copyright 2013-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (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://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.cloud.circuitbreaker.sentinel;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.function.Function;
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import com.alibaba.csp.sentinel.EntryType;
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import com.alibaba.csp.sentinel.adapter.reactor.EntryConfig;
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import com.alibaba.csp.sentinel.adapter.reactor.SentinelReactorTransformer;
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import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
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import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreaker;
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import org.springframework.util.Assert;
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/**
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* Sentinel implementation of {@link ReactiveCircuitBreaker}.
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*
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* @author Eric Zhao
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*/
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public class ReactiveSentinelCircuitBreaker implements ReactiveCircuitBreaker {
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private final String resourceName;
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private final EntryType entryType;
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private final List<DegradeRule> rules;
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public ReactiveSentinelCircuitBreaker(String resourceName, EntryType entryType,
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List<DegradeRule> rules) {
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Assert.hasText(resourceName, "resourceName cannot be blank");
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Assert.notNull(rules, "rules should not be null");
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this.resourceName = resourceName;
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this.entryType = entryType;
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this.rules = Collections.unmodifiableList(rules);
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applyToSentinelRuleManager();
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}
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public ReactiveSentinelCircuitBreaker(String resourceName, List<DegradeRule> rules) {
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this(resourceName, EntryType.OUT, rules);
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}
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public ReactiveSentinelCircuitBreaker(String resourceName) {
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this(resourceName, EntryType.OUT, Collections.emptyList());
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}
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private void applyToSentinelRuleManager() {
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if (this.rules == null || this.rules.isEmpty()) {
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return;
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}
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Set<DegradeRule> ruleSet = new HashSet<>(DegradeRuleManager.getRules());
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for (DegradeRule rule : this.rules) {
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if (rule == null) {
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continue;
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}
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rule.setResource(resourceName);
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ruleSet.add(rule);
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}
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DegradeRuleManager.loadRules(new ArrayList<>(ruleSet));
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}
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@Override
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public <T> Mono<T> run(Mono<T> toRun, Function<Throwable, Mono<T>> fallback) {
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Mono<T> toReturn = toRun.transform(new SentinelReactorTransformer<>(
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new EntryConfig(resourceName, entryType)));
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if (fallback != null) {
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toReturn = toReturn.onErrorResume(fallback);
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}
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return toReturn;
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}
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@Override
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public <T> Flux<T> run(Flux<T> toRun, Function<Throwable, Flux<T>> fallback) {
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Flux<T> toReturn = toRun.transform(new SentinelReactorTransformer<>(
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new EntryConfig(resourceName, entryType)));
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if (fallback != null) {
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toReturn = toReturn.onErrorResume(fallback);
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}
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return toReturn;
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}
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}
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@ -0,0 +1,64 @@
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/*
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* Copyright 2013-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (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://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.cloud.circuitbreaker.sentinel;
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import java.util.ArrayList;
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import java.util.List;
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import javax.annotation.PostConstruct;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.cloud.client.circuitbreaker.Customizer;
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import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreakerFactory;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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/**
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* @author Eric Zhao
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*/
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@Configuration
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@ConditionalOnClass(name = { "reactor.core.publisher.Mono",
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"reactor.core.publisher.Flux" })
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public class ReactiveSentinelCircuitBreakerAutoConfiguration {
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@Bean
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@ConditionalOnMissingBean(ReactiveCircuitBreakerFactory.class)
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public ReactiveCircuitBreakerFactory reactiveSentinelCircuitBreakerFactory() {
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return new ReactiveSentinelCircuitBreakerFactory();
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}
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@Configuration
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@ConditionalOnClass(name = { "reactor.core.publisher.Mono",
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"reactor.core.publisher.Flux" })
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public static class ReactiveSentinelCustomizerConfiguration {
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@Autowired(required = false)
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private List<Customizer<ReactiveSentinelCircuitBreakerFactory>> customizers = new ArrayList<>();
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@Autowired(required = false)
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private ReactiveSentinelCircuitBreakerFactory factory;
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@PostConstruct
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public void init() {
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customizers.forEach(customizer -> customizer.customize(factory));
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}
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}
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}
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@ -0,0 +1,58 @@
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/*
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* Copyright 2013-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (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://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.cloud.circuitbreaker.sentinel;
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import java.util.ArrayList;
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import java.util.function.Function;
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import com.alibaba.cloud.circuitbreaker.sentinel.SentinelConfigBuilder.SentinelCircuitBreakerConfiguration;
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import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreaker;
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import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreakerFactory;
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import org.springframework.util.Assert;
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/**
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* Factory for {@link ReactiveSentinelCircuitBreaker}.
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*
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* @author Eric Zhao
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*/
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public class ReactiveSentinelCircuitBreakerFactory extends
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ReactiveCircuitBreakerFactory<SentinelCircuitBreakerConfiguration, SentinelConfigBuilder> {
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private Function<String, SentinelConfigBuilder.SentinelCircuitBreakerConfiguration> defaultConfiguration = id -> new SentinelConfigBuilder()
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.resourceName(id).rules(new ArrayList<>()).build();
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@Override
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public ReactiveCircuitBreaker create(String id) {
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Assert.hasText(id, "A CircuitBreaker must have an id.");
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SentinelConfigBuilder.SentinelCircuitBreakerConfiguration conf = getConfigurations()
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.computeIfAbsent(id, defaultConfiguration);
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return new ReactiveSentinelCircuitBreaker(id, conf.getEntryType(),
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conf.getRules());
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}
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@Override
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protected SentinelConfigBuilder configBuilder(String id) {
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return new SentinelConfigBuilder(id);
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}
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@Override
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public void configureDefault(
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Function<String, SentinelCircuitBreakerConfiguration> defaultConfiguration) {
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this.defaultConfiguration = defaultConfiguration;
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}
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}
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@ -0,0 +1,114 @@
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/*
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* Copyright 2013-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (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://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.cloud.circuitbreaker.sentinel;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.function.Function;
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import java.util.function.Supplier;
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import com.alibaba.csp.sentinel.Entry;
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import com.alibaba.csp.sentinel.EntryType;
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import com.alibaba.csp.sentinel.SphU;
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import com.alibaba.csp.sentinel.Tracer;
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import com.alibaba.csp.sentinel.slots.block.BlockException;
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import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
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import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
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import org.springframework.cloud.client.circuitbreaker.CircuitBreaker;
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import org.springframework.util.Assert;
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/**
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* Sentinel implementation of {@link CircuitBreaker}.
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*
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* @author Eric Zhao
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*/
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public class SentinelCircuitBreaker implements CircuitBreaker {
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private final String resourceName;
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private final EntryType entryType;
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private final List<DegradeRule> rules;
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public SentinelCircuitBreaker(String resourceName, EntryType entryType,
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List<DegradeRule> rules) {
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Assert.hasText(resourceName, "resourceName cannot be blank");
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Assert.notNull(rules, "rules should not be null");
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this.resourceName = resourceName;
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this.entryType = entryType;
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this.rules = Collections.unmodifiableList(rules);
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applyToSentinelRuleManager();
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}
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public SentinelCircuitBreaker(String resourceName, List<DegradeRule> rules) {
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this(resourceName, EntryType.OUT, rules);
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}
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public SentinelCircuitBreaker(String resourceName) {
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this(resourceName, EntryType.OUT, Collections.emptyList());
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}
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private void applyToSentinelRuleManager() {
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if (this.rules == null || this.rules.isEmpty()) {
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return;
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}
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Set<DegradeRule> ruleSet = new HashSet<>(DegradeRuleManager.getRules());
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for (DegradeRule rule : this.rules) {
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if (rule == null) {
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continue;
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}
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rule.setResource(resourceName);
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ruleSet.add(rule);
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}
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DegradeRuleManager.loadRules(new ArrayList<>(ruleSet));
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}
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@Override
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public <T> T run(Supplier<T> toRun, Function<Throwable, T> fallback) {
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Entry entry = null;
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try {
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entry = SphU.entry(resourceName, entryType);
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// If the SphU.entry() does not throw `BlockException`, it means that the
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// request can pass.
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return toRun.get();
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}
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catch (BlockException ex) {
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// SphU.entry() may throw BlockException which indicates that
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// the request was rejected (flow control or circuit breaking triggered).
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// So it should not be counted as the business exception.
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return fallback.apply(ex);
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}
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catch (Exception ex) {
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// For other kinds of exceptions, we'll trace the exception count via
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// Tracer.trace(ex).
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Tracer.trace(ex);
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return fallback.apply(ex);
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}
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finally {
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// Guarantee the invocation has been completed.
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if (entry != null) {
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entry.exit();
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}
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}
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}
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}
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@ -0,0 +1,65 @@
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/*
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* Copyright 2013-2019 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (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://www.apache.org/licenses/LICENSE-2.0
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||||
*
|
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* Unless required by applicable law or agreed to in writing, software
|
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* distributed under the License is distributed on an "AS IS" BASIS,
|
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* 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.
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*/
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package com.alibaba.cloud.circuitbreaker.sentinel;
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import java.util.ArrayList;
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import java.util.List;
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import javax.annotation.PostConstruct;
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import com.alibaba.csp.sentinel.SphU;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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import org.springframework.cloud.client.circuitbreaker.CircuitBreakerFactory;
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import org.springframework.cloud.client.circuitbreaker.Customizer;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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/**
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* Auto configuration for {@link SentinelCircuitBreaker}.
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*
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* @author Eric Zhao
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*/
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@Configuration
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@ConditionalOnClass({ SphU.class })
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public class SentinelCircuitBreakerAutoConfiguration {
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@Bean
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@ConditionalOnMissingBean(CircuitBreakerFactory.class)
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public CircuitBreakerFactory sentinelCircuitBreakerFactory() {
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return new SentinelCircuitBreakerFactory();
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}
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@Configuration
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public static class SentinelCustomizerConfiguration {
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@Autowired(required = false)
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private List<Customizer<SentinelCircuitBreakerFactory>> customizers = new ArrayList<>();
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@Autowired(required = false)
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private SentinelCircuitBreakerFactory factory;
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@PostConstruct
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public void init() {
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customizers.forEach(customizer -> customizer.customize(factory));
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}
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}
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}
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@ -0,0 +1,57 @@
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/*
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||||
* Copyright 2013-2019 the original author or 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
|
||||
*
|
||||
* https://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.
|
||||
*/
|
||||
|
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package com.alibaba.cloud.circuitbreaker.sentinel;
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import java.util.ArrayList;
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import java.util.function.Function;
|
||||
|
||||
import com.alibaba.csp.sentinel.EntryType;
|
||||
|
||||
import com.alibaba.cloud.circuitbreaker.sentinel.SentinelConfigBuilder.SentinelCircuitBreakerConfiguration;
|
||||
import org.springframework.cloud.client.circuitbreaker.CircuitBreaker;
|
||||
import org.springframework.cloud.client.circuitbreaker.CircuitBreakerFactory;
|
||||
import org.springframework.util.Assert;
|
||||
|
||||
/**
|
||||
* @author Eric Zhao
|
||||
*/
|
||||
public class SentinelCircuitBreakerFactory extends
|
||||
CircuitBreakerFactory<SentinelCircuitBreakerConfiguration, SentinelConfigBuilder> {
|
||||
|
||||
private Function<String, SentinelConfigBuilder.SentinelCircuitBreakerConfiguration> defaultConfiguration = id -> new SentinelConfigBuilder()
|
||||
.resourceName(id).entryType(EntryType.OUT).rules(new ArrayList<>()).build();
|
||||
|
||||
@Override
|
||||
public CircuitBreaker create(String id) {
|
||||
Assert.hasText(id, "A CircuitBreaker must have an id.");
|
||||
SentinelConfigBuilder.SentinelCircuitBreakerConfiguration conf = getConfigurations()
|
||||
.computeIfAbsent(id, defaultConfiguration);
|
||||
return new SentinelCircuitBreaker(id, conf.getEntryType(), conf.getRules());
|
||||
}
|
||||
|
||||
@Override
|
||||
protected SentinelConfigBuilder configBuilder(String id) {
|
||||
return new SentinelConfigBuilder(id);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void configureDefault(
|
||||
Function<String, SentinelCircuitBreakerConfiguration> defaultConfiguration) {
|
||||
this.defaultConfiguration = defaultConfiguration;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,112 @@
|
||||
/*
|
||||
* Copyright 2013-2019 the original author or 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
|
||||
*
|
||||
* https://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 com.alibaba.cloud.circuitbreaker.sentinel;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.Optional;
|
||||
|
||||
import com.alibaba.csp.sentinel.EntryType;
|
||||
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
|
||||
|
||||
import org.springframework.cloud.client.circuitbreaker.ConfigBuilder;
|
||||
import org.springframework.util.Assert;
|
||||
|
||||
/**
|
||||
* @author Eric Zhao
|
||||
*/
|
||||
public class SentinelConfigBuilder implements
|
||||
ConfigBuilder<SentinelConfigBuilder.SentinelCircuitBreakerConfiguration> {
|
||||
|
||||
private String resourceName;
|
||||
|
||||
private EntryType entryType;
|
||||
|
||||
private List<DegradeRule> rules;
|
||||
|
||||
public SentinelConfigBuilder() {
|
||||
}
|
||||
|
||||
public SentinelConfigBuilder(String resourceName) {
|
||||
this.resourceName = resourceName;
|
||||
}
|
||||
|
||||
public SentinelConfigBuilder resourceName(String resourceName) {
|
||||
this.resourceName = resourceName;
|
||||
return this;
|
||||
}
|
||||
|
||||
public SentinelConfigBuilder entryType(EntryType entryType) {
|
||||
this.entryType = entryType;
|
||||
return this;
|
||||
}
|
||||
|
||||
public SentinelConfigBuilder rules(List<DegradeRule> rules) {
|
||||
this.rules = rules;
|
||||
return this;
|
||||
}
|
||||
|
||||
@Override
|
||||
public SentinelCircuitBreakerConfiguration build() {
|
||||
Assert.hasText(resourceName, "resourceName cannot be empty");
|
||||
List<DegradeRule> rules = Optional.ofNullable(this.rules)
|
||||
.orElse(new ArrayList<>());
|
||||
|
||||
EntryType entryType = Optional.ofNullable(this.entryType).orElse(EntryType.OUT);
|
||||
return new SentinelCircuitBreakerConfiguration()
|
||||
.setResourceName(this.resourceName).setEntryType(entryType)
|
||||
.setRules(rules);
|
||||
}
|
||||
|
||||
public static class SentinelCircuitBreakerConfiguration {
|
||||
|
||||
private String resourceName;
|
||||
|
||||
private EntryType entryType;
|
||||
|
||||
private List<DegradeRule> rules;
|
||||
|
||||
public String getResourceName() {
|
||||
return resourceName;
|
||||
}
|
||||
|
||||
public SentinelCircuitBreakerConfiguration setResourceName(String resourceName) {
|
||||
this.resourceName = resourceName;
|
||||
return this;
|
||||
}
|
||||
|
||||
public EntryType getEntryType() {
|
||||
return entryType;
|
||||
}
|
||||
|
||||
public SentinelCircuitBreakerConfiguration setEntryType(EntryType entryType) {
|
||||
this.entryType = entryType;
|
||||
return this;
|
||||
}
|
||||
|
||||
public List<DegradeRule> getRules() {
|
||||
return rules;
|
||||
}
|
||||
|
||||
public SentinelCircuitBreakerConfiguration setRules(List<DegradeRule> rules) {
|
||||
this.rules = rules;
|
||||
return this;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,3 @@
|
||||
org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
|
||||
com.alibaba.cloud.circuitbreaker.sentinel.SentinelCircuitBreakerAutoConfiguration,\
|
||||
com.alibaba.cloud.circuitbreaker.sentinel.ReactiveSentinelCircuitBreakerAutoConfiguration
|
||||
@ -0,0 +1,207 @@
|
||||
/*
|
||||
* Copyright 2013-2018 the original author or 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
|
||||
*
|
||||
* https://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 com.alibaba.cloud.circuitbreaker.sentinel;
|
||||
|
||||
import java.time.Duration;
|
||||
import java.util.Collections;
|
||||
|
||||
import com.alibaba.csp.sentinel.slots.block.RuleConstant;
|
||||
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import reactor.core.publisher.Flux;
|
||||
import reactor.core.publisher.Mono;
|
||||
import reactor.test.StepVerifier;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
|
||||
import org.springframework.boot.test.context.SpringBootTest;
|
||||
import org.springframework.boot.web.server.LocalServerPort;
|
||||
import org.springframework.cloud.client.circuitbreaker.Customizer;
|
||||
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreakerFactory;
|
||||
import org.springframework.context.annotation.Bean;
|
||||
import org.springframework.context.annotation.Configuration;
|
||||
import org.springframework.core.ParameterizedTypeReference;
|
||||
import org.springframework.stereotype.Service;
|
||||
import org.springframework.test.annotation.DirtiesContext;
|
||||
import org.springframework.test.context.junit4.SpringRunner;
|
||||
import org.springframework.web.bind.annotation.GetMapping;
|
||||
import org.springframework.web.bind.annotation.RestController;
|
||||
import org.springframework.web.reactive.function.client.WebClient;
|
||||
|
||||
import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
|
||||
|
||||
/**
|
||||
* @author Ryan Baxter
|
||||
*/
|
||||
@RunWith(SpringRunner.class)
|
||||
@SpringBootTest(webEnvironment = RANDOM_PORT, classes = ReactiveSentinelCircuitBreakerIntegrationTest.Application.class)
|
||||
@DirtiesContext
|
||||
public class ReactiveSentinelCircuitBreakerIntegrationTest {
|
||||
|
||||
@LocalServerPort
|
||||
private int port = 0;
|
||||
|
||||
@Autowired
|
||||
private ReactiveSentinelCircuitBreakerIntegrationTest.Application.DemoControllerService service;
|
||||
|
||||
@Before
|
||||
public void setup() {
|
||||
service.setPort(port);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void test() throws Exception {
|
||||
StepVerifier.create(service.normal()).expectNext("normal").verifyComplete();
|
||||
StepVerifier.create(service.slow()).expectNext("slow").verifyComplete();
|
||||
StepVerifier.create(service.slow()).expectNext("slow").verifyComplete();
|
||||
StepVerifier.create(service.slow()).expectNext("slow").verifyComplete();
|
||||
StepVerifier.create(service.slow()).expectNext("slow").verifyComplete();
|
||||
StepVerifier.create(service.slow()).expectNext("slow").verifyComplete();
|
||||
|
||||
// Then in the next 5s, the fallback method should be called.
|
||||
for (int i = 0; i < 5; i++) {
|
||||
StepVerifier.create(service.slow()).expectNext("fallback").verifyComplete();
|
||||
Thread.sleep(1000);
|
||||
}
|
||||
|
||||
// Recovered.
|
||||
StepVerifier.create(service.slow()).expectNext("slow").verifyComplete();
|
||||
|
||||
StepVerifier.create(service.normalFlux()).expectNext("normalflux")
|
||||
.verifyComplete();
|
||||
StepVerifier.create(service.slowFlux()).expectNext("slowflux").verifyComplete();
|
||||
StepVerifier.create(service.slowFlux()).expectNext("slowflux").verifyComplete();
|
||||
StepVerifier.create(service.slowFlux()).expectNext("slowflux").verifyComplete();
|
||||
StepVerifier.create(service.slowFlux()).expectNext("slowflux").verifyComplete();
|
||||
StepVerifier.create(service.slowFlux()).expectNext("slowflux").verifyComplete();
|
||||
// Then in the next 5s, the fallback method should be called.
|
||||
for (int i = 0; i < 5; i++) {
|
||||
StepVerifier.create(service.slowFlux()).expectNext("flux_fallback")
|
||||
.verifyComplete();
|
||||
Thread.sleep(1000);
|
||||
}
|
||||
|
||||
// Recovered.
|
||||
StepVerifier.create(service.slowFlux()).expectNext("slowflux").verifyComplete();
|
||||
}
|
||||
|
||||
@Configuration
|
||||
@EnableAutoConfiguration
|
||||
@RestController
|
||||
protected static class Application {
|
||||
|
||||
@GetMapping("/slow")
|
||||
public Mono<String> slow() {
|
||||
return Mono.just("slow").delayElement(Duration.ofMillis(500));
|
||||
}
|
||||
|
||||
@GetMapping("/normal")
|
||||
public Mono<String> normal() {
|
||||
return Mono.just("normal");
|
||||
}
|
||||
|
||||
@GetMapping("/slow_flux")
|
||||
public Flux<String> slowFlux() {
|
||||
return Flux.just("slow", "flux").delayElements(Duration.ofMillis(500));
|
||||
}
|
||||
|
||||
@GetMapping("normal_flux")
|
||||
public Flux<String> normalFlux() {
|
||||
return Flux.just("normal", "flux");
|
||||
}
|
||||
|
||||
@Bean
|
||||
public Customizer<ReactiveSentinelCircuitBreakerFactory> slowCustomizer() {
|
||||
return factory -> {
|
||||
factory.configure(builder -> builder
|
||||
.rules(Collections.singletonList(new DegradeRule("slow_mono")
|
||||
.setGrade(RuleConstant.DEGRADE_GRADE_RT).setCount(100)
|
||||
.setTimeWindow(5))),
|
||||
"slow_mono");
|
||||
factory.configure(builder -> builder
|
||||
.rules(Collections.singletonList(new DegradeRule("slow_flux")
|
||||
.setGrade(RuleConstant.DEGRADE_GRADE_RT).setCount(100)
|
||||
.setTimeWindow(5))),
|
||||
"slow_flux");
|
||||
factory.configureDefault(id -> new SentinelConfigBuilder()
|
||||
.resourceName(id)
|
||||
.rules(Collections.singletonList(new DegradeRule(id)
|
||||
.setGrade(RuleConstant.DEGRADE_GRADE_EXCEPTION_COUNT)
|
||||
.setCount(0.5).setTimeWindow(10)))
|
||||
.build());
|
||||
};
|
||||
}
|
||||
|
||||
@Service
|
||||
public static class DemoControllerService {
|
||||
|
||||
private int port = 0;
|
||||
|
||||
private ReactiveCircuitBreakerFactory cbFactory;
|
||||
|
||||
DemoControllerService(ReactiveCircuitBreakerFactory cbFactory) {
|
||||
this.cbFactory = cbFactory;
|
||||
}
|
||||
|
||||
public Mono<String> slow() {
|
||||
return WebClient.builder().baseUrl("http://localhost:" + port).build()
|
||||
.get().uri("/slow").retrieve().bodyToMono(String.class)
|
||||
.transform(it -> cbFactory.create("slow_mono").run(it, t -> {
|
||||
t.printStackTrace();
|
||||
return Mono.just("fallback");
|
||||
}));
|
||||
}
|
||||
|
||||
public Mono<String> normal() {
|
||||
return WebClient.builder().baseUrl("http://localhost:" + port).build()
|
||||
.get().uri("/normal").retrieve().bodyToMono(String.class)
|
||||
.transform(it -> cbFactory.create("normal_mono").run(it, t -> {
|
||||
t.printStackTrace();
|
||||
return Mono.just("fallback");
|
||||
}));
|
||||
}
|
||||
|
||||
public Flux<String> slowFlux() {
|
||||
return WebClient.builder().baseUrl("http://localhost:" + port).build()
|
||||
.get().uri("/slow_flux").retrieve()
|
||||
.bodyToFlux(new ParameterizedTypeReference<String>() {
|
||||
}).transform(it -> cbFactory.create("slow_flux").run(it, t -> {
|
||||
t.printStackTrace();
|
||||
return Flux.just("flux_fallback");
|
||||
}));
|
||||
}
|
||||
|
||||
public Flux<String> normalFlux() {
|
||||
return WebClient.builder().baseUrl("http://localhost:" + port).build()
|
||||
.get().uri("/normal_flux").retrieve().bodyToFlux(String.class)
|
||||
.transform(it -> cbFactory.create("normal_flux").run(it, t -> {
|
||||
t.printStackTrace();
|
||||
return Flux.just("flux_fallback");
|
||||
}));
|
||||
}
|
||||
|
||||
public void setPort(int port) {
|
||||
this.port = port;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,80 @@
|
||||
/*
|
||||
* Copyright 2013-2019 the original author or 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
|
||||
*
|
||||
* https://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 com.alibaba.cloud.circuitbreaker.sentinel;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
|
||||
|
||||
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
|
||||
import org.junit.Test;
|
||||
import reactor.core.publisher.Flux;
|
||||
import reactor.core.publisher.Mono;
|
||||
|
||||
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreaker;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
/**
|
||||
* @author Eric Zhao
|
||||
*/
|
||||
public class ReactiveSentinelCircuitBreakerTest {
|
||||
|
||||
@Test
|
||||
public void testCreateWithNullRule() {
|
||||
String id = "testCreateReactiveCbWithNullRule";
|
||||
ReactiveSentinelCircuitBreaker cb = new ReactiveSentinelCircuitBreaker(id,
|
||||
Collections.singletonList(null));
|
||||
assertThat(Mono.just("foobar").transform(it -> cb.run(it)).block())
|
||||
.isEqualTo("foobar");
|
||||
assertThat(DegradeRuleManager.hasConfig(id)).isFalse();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void runMono() {
|
||||
ReactiveCircuitBreaker cb = new ReactiveSentinelCircuitBreakerFactory()
|
||||
.create("foo");
|
||||
assertThat(Mono.just("foobar").transform(it -> cb.run(it)).block())
|
||||
.isEqualTo("foobar");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void runMonoWithFallback() {
|
||||
ReactiveCircuitBreaker cb = new ReactiveSentinelCircuitBreakerFactory()
|
||||
.create("foo");
|
||||
assertThat(Mono.error(new RuntimeException("boom"))
|
||||
.transform(it -> cb.run(it, t -> Mono.just("fallback"))).block())
|
||||
.isEqualTo("fallback");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void runFlux() {
|
||||
ReactiveCircuitBreaker cb = new ReactiveSentinelCircuitBreakerFactory()
|
||||
.create("foo");
|
||||
assertThat(Flux.just("foobar", "hello world").transform(it -> cb.run(it))
|
||||
.collectList().block()).isEqualTo(Arrays.asList("foobar", "hello world"));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void runFluxWithFallback() {
|
||||
ReactiveCircuitBreaker cb = new ReactiveSentinelCircuitBreakerFactory()
|
||||
.create("foo");
|
||||
assertThat(Flux.error(new RuntimeException("boom"))
|
||||
.transform(it -> cb.run(it, t -> Flux.just("fallback"))).collectList()
|
||||
.block()).isEqualTo(Arrays.asList("fallback"));
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,153 @@
|
||||
/*
|
||||
* Copyright 2013-2019 the original author or 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
|
||||
*
|
||||
* https://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 com.alibaba.cloud.circuitbreaker.sentinel;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
import com.alibaba.csp.sentinel.slots.block.RuleConstant;
|
||||
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
|
||||
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
|
||||
import org.springframework.beans.factory.annotation.Autowired;
|
||||
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
|
||||
import org.springframework.boot.test.context.SpringBootTest;
|
||||
import org.springframework.boot.test.web.client.TestRestTemplate;
|
||||
import org.springframework.cloud.client.circuitbreaker.CircuitBreakerFactory;
|
||||
import org.springframework.cloud.client.circuitbreaker.Customizer;
|
||||
import org.springframework.context.annotation.Bean;
|
||||
import org.springframework.context.annotation.Configuration;
|
||||
import org.springframework.stereotype.Service;
|
||||
import org.springframework.test.annotation.DirtiesContext;
|
||||
import org.springframework.test.context.junit4.SpringRunner;
|
||||
import org.springframework.web.bind.annotation.GetMapping;
|
||||
import org.springframework.web.bind.annotation.RestController;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
|
||||
|
||||
/**
|
||||
* @author Eric Zhao
|
||||
*/
|
||||
@RunWith(SpringRunner.class)
|
||||
@SpringBootTest(webEnvironment = RANDOM_PORT, classes = SentinelCircuitBreakerIntegrationTest.Application.class)
|
||||
@DirtiesContext
|
||||
public class SentinelCircuitBreakerIntegrationTest {
|
||||
|
||||
@Autowired
|
||||
private Application.DemoControllerService service;
|
||||
|
||||
@Test
|
||||
public void testSlow() throws Exception {
|
||||
// The first 5 requests should pass.
|
||||
assertThat(service.slow()).isEqualTo("slow");
|
||||
assertThat(service.slow()).isEqualTo("slow");
|
||||
assertThat(service.slow()).isEqualTo("slow");
|
||||
assertThat(service.slow()).isEqualTo("slow");
|
||||
assertThat(service.slow()).isEqualTo("slow");
|
||||
|
||||
// Then in the next 10s, the fallback method should be called.
|
||||
for (int i = 0; i < 10; i++) {
|
||||
assertThat(service.slow()).isEqualTo("fallback");
|
||||
Thread.sleep(1000);
|
||||
}
|
||||
|
||||
// Recovered.
|
||||
assertThat(service.slow()).isEqualTo("slow");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNormal() {
|
||||
assertThat(service.normal()).isEqualTo("normal");
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setUp() {
|
||||
DegradeRuleManager.loadRules(new ArrayList<>());
|
||||
}
|
||||
|
||||
@Before
|
||||
public void tearDown() {
|
||||
DegradeRuleManager.loadRules(new ArrayList<>());
|
||||
}
|
||||
|
||||
@Configuration
|
||||
@EnableAutoConfiguration
|
||||
@RestController
|
||||
protected static class Application {
|
||||
|
||||
@GetMapping("/slow")
|
||||
public String slow() throws InterruptedException {
|
||||
Thread.sleep(500);
|
||||
return "slow";
|
||||
}
|
||||
|
||||
@GetMapping("/normal")
|
||||
public String normal() {
|
||||
return "normal";
|
||||
}
|
||||
|
||||
@Bean
|
||||
public Customizer<SentinelCircuitBreakerFactory> slowCustomizer() {
|
||||
String slowId = "slow";
|
||||
List<DegradeRule> rules = Collections.singletonList(
|
||||
new DegradeRule(slowId).setGrade(RuleConstant.DEGRADE_GRADE_RT)
|
||||
.setCount(100).setTimeWindow(10));
|
||||
return factory -> {
|
||||
factory.configure(builder -> builder.rules(rules), slowId);
|
||||
factory.configureDefault(id -> new SentinelConfigBuilder()
|
||||
.resourceName(id)
|
||||
.rules(Collections.singletonList(new DegradeRule(id)
|
||||
.setGrade(RuleConstant.DEGRADE_GRADE_EXCEPTION_COUNT)
|
||||
.setCount(0.5).setTimeWindow(10)))
|
||||
.build());
|
||||
};
|
||||
}
|
||||
|
||||
@Service
|
||||
public static class DemoControllerService {
|
||||
|
||||
private TestRestTemplate rest;
|
||||
|
||||
private CircuitBreakerFactory cbFactory;
|
||||
|
||||
DemoControllerService(TestRestTemplate rest,
|
||||
CircuitBreakerFactory cbFactory) {
|
||||
this.rest = rest;
|
||||
this.cbFactory = cbFactory;
|
||||
}
|
||||
|
||||
public String slow() {
|
||||
return cbFactory.create("slow").run(
|
||||
() -> rest.getForObject("/slow", String.class), t -> "fallback");
|
||||
}
|
||||
|
||||
public String normal() {
|
||||
return cbFactory.create("normal").run(
|
||||
() -> rest.getForObject("/normal", String.class),
|
||||
t -> "fallback");
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,86 @@
|
||||
/*
|
||||
* Copyright 2013-2019 the original author or 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
|
||||
*
|
||||
* https://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 com.alibaba.cloud.circuitbreaker.sentinel;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
|
||||
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRule;
|
||||
import com.alibaba.csp.sentinel.slots.block.degrade.DegradeRuleManager;
|
||||
|
||||
import org.junit.After;
|
||||
import org.junit.Test;
|
||||
|
||||
import org.springframework.cloud.client.circuitbreaker.CircuitBreaker;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
/**
|
||||
* @author Eric Zhao
|
||||
*/
|
||||
public class SentinelCircuitBreakerTest {
|
||||
|
||||
@After
|
||||
public void tearDown() {
|
||||
// Clear the rules.
|
||||
DegradeRuleManager.loadRules(new ArrayList<>());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCreateDirectlyThenRun() {
|
||||
// Create a circuit breaker without any circuit breaking rules.
|
||||
CircuitBreaker cb = new SentinelCircuitBreaker(
|
||||
"testSentinelCreateDirectlyThenRunA");
|
||||
assertThat(cb.run(() -> "Sentinel")).isEqualTo("Sentinel");
|
||||
assertThat(DegradeRuleManager.hasConfig("testSentinelCreateDirectlyThenRunA"))
|
||||
.isFalse();
|
||||
|
||||
CircuitBreaker cb2 = new SentinelCircuitBreaker(
|
||||
"testSentinelCreateDirectlyThenRunB",
|
||||
Collections.singletonList(
|
||||
new DegradeRule("testSentinelCreateDirectlyThenRunB")
|
||||
.setCount(100).setTimeWindow(10)));
|
||||
assertThat(cb2.run(() -> "Sentinel")).isEqualTo("Sentinel");
|
||||
assertThat(DegradeRuleManager.hasConfig("testSentinelCreateDirectlyThenRunB"))
|
||||
.isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCreateWithNullRule() {
|
||||
String id = "testCreateCbWithNullRule";
|
||||
CircuitBreaker cb = new SentinelCircuitBreaker(id,
|
||||
Collections.singletonList(null));
|
||||
assertThat(cb.run(() -> "Sentinel")).isEqualTo("Sentinel");
|
||||
assertThat(DegradeRuleManager.hasConfig(id)).isFalse();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testCreateFromFactoryThenRun() {
|
||||
CircuitBreaker cb = new SentinelCircuitBreakerFactory().create("testSentinelRun");
|
||||
assertThat(cb.run(() -> "foobar")).isEqualTo("foobar");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRunWithFallback() {
|
||||
CircuitBreaker cb = new SentinelCircuitBreakerFactory()
|
||||
.create("testSentinelRunWithFallback");
|
||||
assertThat(cb.<String> run(() -> {
|
||||
throw new RuntimeException("boom");
|
||||
}, t -> "fallback")).isEqualTo("fallback");
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue