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spring-cloud-tencent
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Code Issues Projects Releases Wiki Activity

feature:add polaris circuit breaker support (#875)

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Co-authored-by: Haotian Zhang <928016560@qq.com>
pull/883/head
Shanyou Yu (Sean Yu) 2 years ago committed by GitHub
parent d46c1d2f23
commit e53716758c
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60 changed files with 2996 additions and 191 deletions
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3
CHANGELOG.md
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@ -8,7 +8,8 @@
- [fix:fix the error capture of rate limit exception.](https://github.com/Tencent/spring-cloud-tencent/pull/854) - [fix:fix the error capture of rate limit exception.](https://github.com/Tencent/spring-cloud-tencent/pull/854)
- [feature:add User-Agent:polaris for healthyCheck api.](https://github.com/Tencent/spring-cloud-tencent/pull/859) - [feature:add User-Agent:polaris for healthyCheck api.](https://github.com/Tencent/spring-cloud-tencent/pull/859)
- [feat:enable stat reporting as default.](https://github.com/Tencent/spring-cloud-tencent/pull/862) - [feat:enable stat reporting as default.](https://github.com/Tencent/spring-cloud-tencent/pull/862)
- [optimize:optimize ServiceRuleManager.](https://github.com/Tencent/spring-cloud-tencent/pull/869)
- [refactor:update to junit 5.](https://github.com/Tencent/spring-cloud-tencent/pull/865) - [refactor:update to junit 5.](https://github.com/Tencent/spring-cloud-tencent/pull/865)
- [optimize:optimize ServiceRuleManager.](https://github.com/Tencent/spring-cloud-tencent/pull/869)
- [docs:support auto snapshot release in GitHub Action.](https://github.com/Tencent/spring-cloud-tencent/pull/868) - [docs:support auto snapshot release in GitHub Action.](https://github.com/Tencent/spring-cloud-tencent/pull/868)
- [feature:add polaris circuit breaker support.](https://github.com/Tencent/spring-cloud-tencent/pull/875)
- [refactor:refactor stat module.](https://github.com/Tencent/spring-cloud-tencent/pull/876) - [refactor:refactor stat module.](https://github.com/Tencent/spring-cloud-tencent/pull/876)

55
spring-cloud-starter-tencent-polaris-circuitbreaker/pom.xml
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@ -14,6 +14,30 @@
<dependencies> <dependencies>
<!-- Spring Cloud Tencent dependencies start --> <!-- Spring Cloud Tencent dependencies start -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
<optional>true</optional>
</dependency>
<dependency> <dependency>
<groupId>com.tencent.cloud</groupId> <groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-tencent-rpc-enhancement</artifactId> <artifactId>spring-cloud-tencent-rpc-enhancement</artifactId>
@ -55,6 +79,7 @@
</exclusion> </exclusion>
</exclusions> </exclusions>
</dependency> </dependency>
<!-- Polaris dependencies end --> <!-- Polaris dependencies end -->
<dependency> <dependency>
@ -62,5 +87,35 @@
<artifactId>spring-boot-starter-test</artifactId> <artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope> <scope>test</scope>
</dependency> </dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-contract-stub-runner</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.tencent.polaris</groupId>
<artifactId>polaris-test-common</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.tencent.polaris</groupId>
<artifactId>polaris-test-mock-discovery</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-inline</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>io.projectreactor</groupId>
<artifactId>reactor-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies> </dependencies>
</project> </project>

68
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/PolarisCircuitBreaker.java
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/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import java.util.function.Function;
import java.util.function.Supplier;
import com.tencent.cloud.polaris.circuitbreaker.common.PolarisCircuitBreakerConfigBuilder;
import com.tencent.cloud.polaris.circuitbreaker.common.PolarisResultToErrorCode;
import com.tencent.polaris.api.pojo.ServiceKey;
import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
import com.tencent.polaris.circuitbreak.api.FunctionalDecorator;
import com.tencent.polaris.circuitbreak.api.pojo.FunctionalDecoratorRequest;
import com.tencent.polaris.circuitbreak.client.exception.CallAbortedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.cloud.client.circuitbreaker.CircuitBreaker;
/**
* PolarisCircuitBreaker.
*
* @author seanyu 2023-02-27
*/
public class PolarisCircuitBreaker implements CircuitBreaker {
private static final Logger LOGGER = LoggerFactory.getLogger(PolarisCircuitBreaker.class);
private final FunctionalDecorator decorator;
public PolarisCircuitBreaker(PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration conf, CircuitBreakAPI circuitBreakAPI) {
FunctionalDecoratorRequest makeDecoratorRequest = new FunctionalDecoratorRequest(new ServiceKey(conf.getNamespace(), conf.getService()), conf.getMethod());
makeDecoratorRequest.setSourceService(new ServiceKey(conf.getSourceNamespace(), conf.getSourceService()));
makeDecoratorRequest.setResultToErrorCode(new PolarisResultToErrorCode());
this.decorator = circuitBreakAPI.makeFunctionalDecorator(makeDecoratorRequest);
}
@Override
public <T> T run(Supplier<T> toRun, Function<Throwable, T> fallback) {
Supplier<T> toRunDecorator = decorator.decorateSupplier(toRun);
try {
return toRunDecorator.get();
}
catch (CallAbortedException e) {
LOGGER.debug("PolarisCircuitBreaker CallAbortedException: {}", e.getMessage());
return fallback.apply(e);
}
catch (Exception e) {
return fallback.apply(e);
}
}
}

72
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/PolarisCircuitBreakerFactory.java
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/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import java.util.function.Function;
import com.tencent.cloud.polaris.circuitbreaker.common.PolarisCircuitBreakerConfigBuilder;
import com.tencent.cloud.polaris.circuitbreaker.util.PolarisCircuitBreakerUtils;
import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
import org.springframework.cloud.client.circuitbreaker.CircuitBreaker;
import org.springframework.cloud.client.circuitbreaker.CircuitBreakerFactory;
/**
* PolarisCircuitBreakerFactory.
*
* @author seanyu 2023-02-27
*/
public class PolarisCircuitBreakerFactory
extends CircuitBreakerFactory<PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration, PolarisCircuitBreakerConfigBuilder> {
private Function<String, PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration> defaultConfiguration =
id -> {
String[] metadata = PolarisCircuitBreakerUtils.resolveCircuitBreakerId(id);
return new PolarisCircuitBreakerConfigBuilder()
.namespace(metadata[0])
.service(metadata[1])
.method(metadata[2])
.build();
};
private final CircuitBreakAPI circuitBreakAPI;
public PolarisCircuitBreakerFactory(CircuitBreakAPI circuitBreakAPI) {
this.circuitBreakAPI = circuitBreakAPI;
}
@Override
public CircuitBreaker create(String id) {
PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration conf = getConfigurations()
.computeIfAbsent(id, defaultConfiguration);
return new PolarisCircuitBreaker(conf, circuitBreakAPI);
}
@Override
protected PolarisCircuitBreakerConfigBuilder configBuilder(String id) {
String[] metadata = PolarisCircuitBreakerUtils.resolveCircuitBreakerId(id);
return new PolarisCircuitBreakerConfigBuilder(metadata[0], metadata[1], metadata[2]);
}
@Override
public void configureDefault(Function<String, PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration> defaultConfiguration) {
this.defaultConfiguration = defaultConfiguration;
}
}

70
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/ReactivePolarisCircuitBreaker.java
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@ -0,0 +1,70 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import java.util.function.Function;
import com.tencent.cloud.polaris.circuitbreaker.common.PolarisCircuitBreakerConfigBuilder;
import com.tencent.cloud.polaris.circuitbreaker.common.PolarisResultToErrorCode;
import com.tencent.cloud.polaris.circuitbreaker.reactor.PolarisCircuitBreakerReactorTransformer;
import com.tencent.polaris.api.pojo.ServiceKey;
import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
import com.tencent.polaris.circuitbreak.api.InvokeHandler;
import com.tencent.polaris.circuitbreak.api.pojo.FunctionalDecoratorRequest;
import com.tencent.polaris.circuitbreak.api.pojo.InvokeContext;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreaker;
/**
* ReactivePolarisCircuitBreaker.
*
* @author seanyu 2023-02-27
*/
public class ReactivePolarisCircuitBreaker implements ReactiveCircuitBreaker {
private final InvokeHandler invokeHandler;
public ReactivePolarisCircuitBreaker(PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration conf, CircuitBreakAPI circuitBreakAPI) {
InvokeContext.RequestContext requestContext = new FunctionalDecoratorRequest(new ServiceKey(conf.getNamespace(), conf.getService()), conf.getMethod());
requestContext.setSourceService(new ServiceKey(conf.getSourceNamespace(), conf.getSourceService()));
requestContext.setResultToErrorCode(new PolarisResultToErrorCode());
this.invokeHandler = circuitBreakAPI.makeInvokeHandler(requestContext);
}
@Override
public <T> Mono<T> run(Mono<T> toRun, Function<Throwable, Mono<T>> fallback) {
Mono<T> toReturn = toRun.transform(new PolarisCircuitBreakerReactorTransformer<>(invokeHandler));
if (fallback != null) {
toReturn = toReturn.onErrorResume(fallback);
}
return toReturn;
}
@Override
public <T> Flux<T> run(Flux<T> toRun, Function<Throwable, Flux<T>> fallback) {
Flux<T> toReturn = toRun.transform(new PolarisCircuitBreakerReactorTransformer<>(invokeHandler));
if (fallback != null) {
toReturn = toReturn.onErrorResume(fallback);
}
return toReturn;
}
}

73
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/ReactivePolarisCircuitBreakerFactory.java
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@ -0,0 +1,73 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import java.util.function.Function;
import com.tencent.cloud.polaris.circuitbreaker.common.PolarisCircuitBreakerConfigBuilder;
import com.tencent.cloud.polaris.circuitbreaker.util.PolarisCircuitBreakerUtils;
import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreaker;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreakerFactory;
/**
* ReactivePolarisCircuitBreakerFactory.
*
* @author seanyu 2023-02-27
*/
public class ReactivePolarisCircuitBreakerFactory extends
ReactiveCircuitBreakerFactory<PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration, PolarisCircuitBreakerConfigBuilder> {
private Function<String, PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration> defaultConfiguration =
id -> {
String[] metadata = PolarisCircuitBreakerUtils.resolveCircuitBreakerId(id);
return new PolarisCircuitBreakerConfigBuilder()
.namespace(metadata[0])
.service(metadata[1])
.method(metadata[2])
.build();
};
private final CircuitBreakAPI circuitBreakAPI;
public ReactivePolarisCircuitBreakerFactory(CircuitBreakAPI circuitBreakAPI) {
this.circuitBreakAPI = circuitBreakAPI;
}
@Override
public ReactiveCircuitBreaker create(String id) {
PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration conf = getConfigurations()
.computeIfAbsent(id, defaultConfiguration);
return new ReactivePolarisCircuitBreaker(conf, circuitBreakAPI);
}
@Override
protected PolarisCircuitBreakerConfigBuilder configBuilder(String id) {
String[] metadata = PolarisCircuitBreakerUtils.resolveCircuitBreakerId(id);
return new PolarisCircuitBreakerConfigBuilder(metadata[0], metadata[1], metadata[2]);
}
@Override
public void configureDefault(
Function<String, PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration> defaultConfiguration) {
this.defaultConfiguration = defaultConfiguration;
}
}

62
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/common/CircuitBreakerConfigModifier.java
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@ -0,0 +1,62 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.common;
import com.tencent.cloud.common.constant.ContextConstant;
import com.tencent.cloud.polaris.context.PolarisConfigModifier;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementReporterProperties;
import com.tencent.polaris.api.config.consumer.ServiceRouterConfig;
import com.tencent.polaris.factory.config.ConfigurationImpl;
import com.tencent.polaris.plugins.router.healthy.RecoverRouterConfig;
/**
* CircuitBreakerConfigModifier.
*
* @author seanyu 2023-02-27
*/
public class CircuitBreakerConfigModifier implements PolarisConfigModifier {
private final RpcEnhancementReporterProperties properties;
public CircuitBreakerConfigModifier(RpcEnhancementReporterProperties properties) {
this.properties = properties;
}
@Override
public void modify(ConfigurationImpl configuration) {
properties.setEnabled(true);
// Turn on circuitbreaker configuration
configuration.getConsumer().getCircuitBreaker().setEnable(true);
// Set excludeCircuitBreakInstances to true
RecoverRouterConfig recoverRouterConfig = configuration.getConsumer().getServiceRouter()
.getPluginConfig(ServiceRouterConfig.DEFAULT_ROUTER_RECOVER, RecoverRouterConfig.class);
recoverRouterConfig.setExcludeCircuitBreakInstances(true);
// Update modified config to source properties
configuration.getConsumer().getServiceRouter()
.setPluginConfig(ServiceRouterConfig.DEFAULT_ROUTER_RECOVER, recoverRouterConfig);
}
@Override
public int getOrder() {
return ContextConstant.ModifierOrder.CIRCUIT_BREAKER_ORDER;
}
}

116
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/common/PolarisCircuitBreakerConfigBuilder.java
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/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.common;
import com.tencent.cloud.common.metadata.MetadataContext;
import org.springframework.cloud.client.circuitbreaker.ConfigBuilder;
/**
* PolarisCircuitBreakerConfigBuilder.
*
* @author seanyu 2023-02-27
*/
public class PolarisCircuitBreakerConfigBuilder implements ConfigBuilder<PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration> {
private String namespace = MetadataContext.LOCAL_NAMESPACE;
private String service;
private String method;
public PolarisCircuitBreakerConfigBuilder() {
}
public PolarisCircuitBreakerConfigBuilder(String namespace, String service, String method) {
this.namespace = namespace;
this.service = service;
this.method = method;
}
public PolarisCircuitBreakerConfigBuilder namespace(String namespace) {
this.namespace = namespace;
return this;
}
public PolarisCircuitBreakerConfigBuilder service(String service) {
this.service = service;
return this;
}
public PolarisCircuitBreakerConfigBuilder method(String method) {
this.method = method;
return this;
}
@Override
public PolarisCircuitBreakerConfiguration build() {
PolarisCircuitBreakerConfiguration conf = new PolarisCircuitBreakerConfiguration();
conf.setNamespace(namespace);
conf.setService(service);
conf.setMethod(method);
return conf;
}
public static class PolarisCircuitBreakerConfiguration {
private final String sourceNamespace = MetadataContext.LOCAL_NAMESPACE;
private final String sourceService = MetadataContext.LOCAL_SERVICE;
private String namespace;
private String service;
private String method;
public String getNamespace() {
return namespace;
}
public void setNamespace(String namespace) {
this.namespace = namespace;
}
public String getService() {
return service;
}
public void setService(String service) {
this.service = service;
}
public String getMethod() {
return method;
}
public void setMethod(String method) {
this.method = method;
}
public String getSourceNamespace() {
return sourceNamespace;
}
public String getSourceService() {
return sourceService;
}
}
}

65
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/common/PolarisResultToErrorCode.java
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@ -0,0 +1,65 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.common;
import com.tencent.polaris.circuitbreak.api.pojo.ResultToErrorCode;
import feign.FeignException;
import org.springframework.web.client.RestClientResponseException;
import org.springframework.web.reactive.function.client.WebClientResponseException;
/**
* PolarisResultToErrorCode.
*
* @author seanyu 2023-02-27
*/
public class PolarisResultToErrorCode implements ResultToErrorCode {
@Override
public int onSuccess(Object value) {
return 200;
}
@Override
public int onError(Throwable e) {
if (checkClassExist("org.springframework.web.client.RestClientResponseException")
&& e instanceof RestClientResponseException) {
return ((RestClientResponseException) e).getRawStatusCode();
}
else if (checkClassExist("feign.FeignException")
&& e instanceof FeignException) {
return ((FeignException) e).status();
}
else if (checkClassExist("org.springframework.web.reactive.function.client.WebClientResponseException")
&& e instanceof WebClientResponseException) {
return ((WebClientResponseException) e).getRawStatusCode();
}
return -1;
}
private boolean checkClassExist(String clazzName) {
try {
Class.forName(clazzName, false, getClass().getClassLoader());
}
catch (ClassNotFoundException e) {
return false;
}
return true;
}
}

71
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/config/GatewayPolarisCircuitBreakerAutoConfiguration.java
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/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.config;
import com.tencent.cloud.polaris.circuitbreaker.ReactivePolarisCircuitBreakerFactory;
import com.tencent.cloud.polaris.circuitbreaker.gateway.PolarisCircuitBreakerFilterFactory;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreakerFactory;
import org.springframework.cloud.client.discovery.ReactiveDiscoveryClient;
import org.springframework.cloud.gateway.config.GatewayAutoConfiguration;
import org.springframework.cloud.gateway.config.conditional.ConditionalOnEnabledFilter;
import org.springframework.cloud.gateway.discovery.DiscoveryLocatorProperties;
import org.springframework.cloud.gateway.filter.factory.FallbackHeadersGatewayFilterFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.reactive.DispatcherHandler;
/**
* GatewayPolarisCircuitBreakerAutoConfiguration.
*
* @author seanyu 2023-02-27
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnProperty(name = "spring.cloud.gateway.enabled", matchIfMissing = true)
@AutoConfigureAfter({ReactivePolarisCircuitBreakerAutoConfiguration.class })
@ConditionalOnClass({ DispatcherHandler.class, ReactivePolarisCircuitBreakerAutoConfiguration.class,
ReactiveCircuitBreakerFactory.class, ReactivePolarisCircuitBreakerFactory.class, GatewayAutoConfiguration.class})
public class GatewayPolarisCircuitBreakerAutoConfiguration {
@Bean
@ConditionalOnBean(ReactiveCircuitBreakerFactory.class)
@ConditionalOnEnabledFilter
public PolarisCircuitBreakerFilterFactory polarisCircuitBreakerFilterFactory(
ReactiveCircuitBreakerFactory reactiveCircuitBreakerFactory,
ObjectProvider<DispatcherHandler> dispatcherHandler,
@Autowired(required = false) ReactiveDiscoveryClient discoveryClient,
@Autowired(required = false) DiscoveryLocatorProperties properties
) {
return new PolarisCircuitBreakerFilterFactory(reactiveCircuitBreakerFactory, dispatcherHandler, discoveryClient, properties);
}
@Bean
@ConditionalOnMissingBean
@ConditionalOnEnabledFilter
public FallbackHeadersGatewayFilterFactory fallbackHeadersGatewayFilterFactory() {
return new FallbackHeadersGatewayFilterFactory();
}
}

67
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/config/PolarisCircuitBreakerAutoConfiguration.java
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@ -17,20 +17,29 @@
package com.tencent.cloud.polaris.circuitbreaker.config; package com.tencent.cloud.polaris.circuitbreaker.config;
import com.tencent.cloud.common.constant.ContextConstant; import java.util.ArrayList;
import com.tencent.cloud.polaris.context.PolarisConfigModifier; import java.util.List;
import com.tencent.cloud.polaris.circuitbreaker.PolarisCircuitBreakerFactory;
import com.tencent.cloud.polaris.circuitbreaker.common.CircuitBreakerConfigModifier;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementAutoConfiguration; import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementAutoConfiguration;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementReporterProperties; import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementReporterProperties;
import com.tencent.polaris.api.config.consumer.ServiceRouterConfig; import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
import com.tencent.polaris.factory.config.ConfigurationImpl; import com.tencent.polaris.circuitbreak.factory.CircuitBreakAPIFactory;
import com.tencent.polaris.plugins.router.healthy.RecoverRouterConfig; import com.tencent.polaris.client.api.SDKContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter; import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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.Bean;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
/** /**
* Autoconfiguration at bootstrap phase. * Autoconfiguration for PolarisCircuitBreaker.
* *
* @author lepdou 2022-03-29 * @author lepdou 2022-03-29
*/ */
@ -39,40 +48,28 @@ import org.springframework.context.annotation.Configuration;
@AutoConfigureAfter(RpcEnhancementAutoConfiguration.class) @AutoConfigureAfter(RpcEnhancementAutoConfiguration.class)
public class PolarisCircuitBreakerAutoConfiguration { public class PolarisCircuitBreakerAutoConfiguration {
@Autowired(required = false)
private List<Customizer<PolarisCircuitBreakerFactory>> customizers = new ArrayList<>();
@Bean @Bean
public CircuitBreakerConfigModifier circuitBreakerConfigModifier(RpcEnhancementReporterProperties properties) { @ConditionalOnMissingBean(CircuitBreakAPI.class)
return new CircuitBreakerConfigModifier(properties); public CircuitBreakAPI circuitBreakAPI(SDKContext polarisContext) {
return CircuitBreakAPIFactory.createCircuitBreakAPIByContext(polarisContext);
} }
public static class CircuitBreakerConfigModifier implements PolarisConfigModifier { @Bean
@ConditionalOnMissingBean(CircuitBreakerFactory.class)
private final RpcEnhancementReporterProperties properties; public CircuitBreakerFactory polarisCircuitBreakerFactory(CircuitBreakAPI circuitBreakAPI) {
PolarisCircuitBreakerFactory factory = new PolarisCircuitBreakerFactory(circuitBreakAPI);
public CircuitBreakerConfigModifier(RpcEnhancementReporterProperties properties) { customizers.forEach(customizer -> customizer.customize(factory));
this.properties = properties; return factory;
} }
@Override @Bean
public void modify(ConfigurationImpl configuration) { @ConditionalOnBean(RpcEnhancementReporterProperties.class)
properties.setEnabled(true); @ConditionalOnMissingBean(CircuitBreakerConfigModifier.class)
public CircuitBreakerConfigModifier circuitBreakerConfigModifier(RpcEnhancementReporterProperties properties) {
// Turn on circuitbreaker configuration return new CircuitBreakerConfigModifier(properties);
configuration.getConsumer().getCircuitBreaker().setEnable(true);
// Set excludeCircuitBreakInstances to true
RecoverRouterConfig recoverRouterConfig = configuration.getConsumer().getServiceRouter()
.getPluginConfig(ServiceRouterConfig.DEFAULT_ROUTER_RECOVER, RecoverRouterConfig.class);
recoverRouterConfig.setExcludeCircuitBreakInstances(true);
// Update modified config to source properties
configuration.getConsumer().getServiceRouter()
.setPluginConfig(ServiceRouterConfig.DEFAULT_ROUTER_RECOVER, recoverRouterConfig);
} }
@Override
public int getOrder() {
return ContextConstant.ModifierOrder.CIRCUIT_BREAKER_ORDER;
}
}
} }

2
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/config/PolarisCircuitBreakerBootstrapConfiguration.java
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@ -28,7 +28,7 @@ import org.springframework.context.annotation.Import;
*/ */
@Configuration(proxyBeanMethods = false) @Configuration(proxyBeanMethods = false)
@ConditionalOnProperty("spring.cloud.polaris.enabled") @ConditionalOnProperty("spring.cloud.polaris.enabled")
@Import(PolarisCircuitBreakerAutoConfiguration.class) @Import({PolarisCircuitBreakerAutoConfiguration.class, ReactivePolarisCircuitBreakerAutoConfiguration.class, PolarisCircuitBreakerFeignClientAutoConfiguration.class})
public class PolarisCircuitBreakerBootstrapConfiguration { public class PolarisCircuitBreakerBootstrapConfiguration {
} }

46
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/config/PolarisCircuitBreakerFeignClientAutoConfiguration.java
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@ -0,0 +1,46 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.config;
import com.tencent.cloud.polaris.circuitbreaker.feign.PolarisCircuitBreakerNameResolver;
import feign.Feign;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.cloud.openfeign.CircuitBreakerNameResolver;
import org.springframework.cloud.openfeign.FeignClientFactoryBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* PolarisCircuitBreakerFeignClientAutoConfiguration.
*
* @author seansyyu 2023-02-28
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass({ Feign.class, FeignClientFactoryBean.class })
@ConditionalOnPolarisCircuitBreakerEnabled
public class PolarisCircuitBreakerFeignClientAutoConfiguration {
@Bean
@ConditionalOnMissingBean(CircuitBreakerNameResolver.class)
public CircuitBreakerNameResolver polarisCircuitBreakerNameResolver() {
return new PolarisCircuitBreakerNameResolver();
}
}

76
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/config/ReactivePolarisCircuitBreakerAutoConfiguration.java
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@ -0,0 +1,76 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.config;
import java.util.ArrayList;
import java.util.List;
import com.tencent.cloud.polaris.circuitbreaker.ReactivePolarisCircuitBreakerFactory;
import com.tencent.cloud.polaris.circuitbreaker.common.CircuitBreakerConfigModifier;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementAutoConfiguration;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementReporterProperties;
import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
import com.tencent.polaris.circuitbreak.factory.CircuitBreakAPIFactory;
import com.tencent.polaris.client.api.SDKContext;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
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;
/**
* AutoConfiguration for ReactivePolarisCircuitBreaker.
*
* @author seanyu 2023-02-27
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(name = { "reactor.core.publisher.Mono", "reactor.core.publisher.Flux" })
@ConditionalOnPolarisCircuitBreakerEnabled
@AutoConfigureAfter(RpcEnhancementAutoConfiguration.class)
public class ReactivePolarisCircuitBreakerAutoConfiguration {
@Autowired(required = false)
private List<Customizer<ReactivePolarisCircuitBreakerFactory>> customizers = new ArrayList<>();
@Bean
@ConditionalOnMissingBean(CircuitBreakAPI.class)
public CircuitBreakAPI circuitBreakAPI(SDKContext polarisContext) {
return CircuitBreakAPIFactory.createCircuitBreakAPIByContext(polarisContext);
}
@Bean
@ConditionalOnMissingBean(ReactiveCircuitBreakerFactory.class)
public ReactiveCircuitBreakerFactory reactiveCircuitBreakerFactory(CircuitBreakAPI circuitBreakAPI) {
ReactivePolarisCircuitBreakerFactory factory = new ReactivePolarisCircuitBreakerFactory(circuitBreakAPI);
customizers.forEach(customizer -> customizer.customize(factory));
return factory;
}
@Bean
@ConditionalOnBean(RpcEnhancementReporterProperties.class)
@ConditionalOnMissingBean(CircuitBreakerConfigModifier.class)
public CircuitBreakerConfigModifier reactiveCircuitBreakerConfigModifier(RpcEnhancementReporterProperties properties) {
return new CircuitBreakerConfigModifier(properties);
}
}

51
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/feign/PolarisCircuitBreakerNameResolver.java
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@ -0,0 +1,51 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.feign;
import java.lang.reflect.Method;
import com.tencent.cloud.common.metadata.MetadataContext;
import feign.Target;
import org.springframework.cloud.openfeign.CircuitBreakerNameResolver;
import org.springframework.web.bind.annotation.RequestMapping;
import static org.springframework.core.annotation.AnnotatedElementUtils.findMergedAnnotation;
/**
* PolarisCircuitBreakerNameResolver.
*
* @author seanyu 2023-02-27
*/
public class PolarisCircuitBreakerNameResolver implements CircuitBreakerNameResolver {
@Override
public String resolveCircuitBreakerName(String feignClientName, Target<?> target, Method method) {
RequestMapping requestMapping = findMergedAnnotation(method, RequestMapping.class);
String path = "";
if (requestMapping != null) {
path = requestMapping.path().length == 0 ?
requestMapping.value().length == 0 ? "" : requestMapping.value()[0] :
requestMapping.path()[0];
}
return "".equals(path) ?
MetadataContext.LOCAL_NAMESPACE + "#" + feignClientName :
MetadataContext.LOCAL_NAMESPACE + "#" + feignClientName + "#" + path;
}
}

228
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/gateway/PolarisCircuitBreakerFilterFactory.java
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@ -0,0 +1,228 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.gateway;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.stream.Collectors;
import com.tencent.polaris.circuitbreak.client.exception.CallAbortedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.publisher.Mono;
import org.springframework.beans.InvalidPropertyException;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreaker;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreakerFactory;
import org.springframework.cloud.client.discovery.ReactiveDiscoveryClient;
import org.springframework.cloud.gateway.discovery.DiscoveryLocatorProperties;
import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.factory.SpringCloudCircuitBreakerFilterFactory;
import org.springframework.cloud.gateway.support.HttpStatusHolder;
import org.springframework.cloud.gateway.support.ServiceUnavailableException;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.util.StringUtils;
import org.springframework.web.reactive.DispatcherHandler;
import org.springframework.web.server.ResponseStatusException;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.util.UriComponentsBuilder;
import static java.util.Optional.ofNullable;
import static org.springframework.cloud.gateway.support.GatewayToStringStyler.filterToStringCreator;
import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.CIRCUITBREAKER_EXECUTION_EXCEPTION_ATTR;
import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.GATEWAY_REQUEST_URL_ATTR;
import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.containsEncodedParts;
import static org.springframework.cloud.gateway.support.ServerWebExchangeUtils.reset;
/**
* PolarisCircuitBreakerFilterFactory.
* mostly copy from SpringCloudCircuitBreakerFilterFactory, but create ReactiveCircuitBreaker per request to build method level CircuitBreaker.
*
* @author seanyu 2023-02-27
*/
public class PolarisCircuitBreakerFilterFactory extends SpringCloudCircuitBreakerFilterFactory {
private static final Logger LOGGER = LoggerFactory.getLogger(PolarisCircuitBreakerFilterFactory.class);
private String routeIdPrefix;
private final ReactiveCircuitBreakerFactory reactiveCircuitBreakerFactory;
private final ObjectProvider<DispatcherHandler> dispatcherHandlerProvider;
// do not use this dispatcherHandler directly, use getDispatcherHandler() instead.
private volatile DispatcherHandler dispatcherHandler;
public PolarisCircuitBreakerFilterFactory(
ReactiveCircuitBreakerFactory reactiveCircuitBreakerFactory,
ObjectProvider<DispatcherHandler> dispatcherHandlerProvider,
ReactiveDiscoveryClient discoveryClient,
DiscoveryLocatorProperties properties
) {
super(reactiveCircuitBreakerFactory, dispatcherHandlerProvider);
this.reactiveCircuitBreakerFactory = reactiveCircuitBreakerFactory;
this.dispatcherHandlerProvider = dispatcherHandlerProvider;
if (discoveryClient != null && properties != null) {
if (StringUtils.hasText(properties.getRouteIdPrefix())) {
routeIdPrefix = properties.getRouteIdPrefix();
}
else {
routeIdPrefix = discoveryClient.getClass().getSimpleName() + "_";
}
}
}
private void addExceptionDetails(Throwable t, ServerWebExchange exchange) {
ofNullable(t).ifPresent(
exception -> exchange.getAttributes().put(CIRCUITBREAKER_EXECUTION_EXCEPTION_ATTR, exception));
}
private DispatcherHandler getDispatcherHandler() {
if (dispatcherHandler == null) {
dispatcherHandler = dispatcherHandlerProvider.getIfAvailable();
}
return dispatcherHandler;
}
private String getCircuitBreakerId(Config config) {
if (!StringUtils.hasText(config.getName()) && StringUtils.hasText(config.getRouteId())) {
if (routeIdPrefix != null && config.getRouteId().startsWith(routeIdPrefix)) {
return config.getRouteId().replace(routeIdPrefix, "");
}
return config.getRouteId();
}
return config.getName();
}
private boolean isNumeric(String statusString) {
try {
Integer.parseInt(statusString);
return true;
}
catch (NumberFormatException e) {
return false;
}
}
private List<HttpStatus> getSeriesStatus(String series) {
if (!Arrays.asList("1**", "2**", "3**", "4**", "5**").contains(series)) {
throw new InvalidPropertyException(Config.class, "statusCodes", "polaris circuit breaker status code can only be a numeric http status, or a http series pattern, e.g. [\"1**\",\"2**\",\"3**\",\"4**\",\"5**\"]");
}
HttpStatus[] allHttpStatus = HttpStatus.values();
if (series.startsWith("1")) {
return Arrays.stream(allHttpStatus).filter(HttpStatus::is1xxInformational).collect(Collectors.toList());
}
else if (series.startsWith("2")) {
return Arrays.stream(allHttpStatus).filter(HttpStatus::is2xxSuccessful).collect(Collectors.toList());
}
else if (series.startsWith("3")) {
return Arrays.stream(allHttpStatus).filter(HttpStatus::is3xxRedirection).collect(Collectors.toList());
}
else if (series.startsWith("4")) {
return Arrays.stream(allHttpStatus).filter(HttpStatus::is4xxClientError).collect(Collectors.toList());
}
else if (series.startsWith("5")) {
return Arrays.stream(allHttpStatus).filter(HttpStatus::is5xxServerError).collect(Collectors.toList());
}
return Arrays.asList(allHttpStatus);
}
@Override
public GatewayFilter apply(Config config) {
Set<HttpStatus> statuses = config.getStatusCodes().stream()
.flatMap(statusCode -> {
List<HttpStatus> httpStatuses = new ArrayList<>();
if (isNumeric(statusCode)) {
httpStatuses.add(HttpStatusHolder.parse(statusCode).getHttpStatus());
}
else {
httpStatuses.addAll(getSeriesStatus(statusCode));
}
return httpStatuses.stream();
})
.filter(Objects::nonNull)
.collect(Collectors.toSet());
String circuitBreakerId = getCircuitBreakerId(config);
return new GatewayFilter() {
@Override
public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
String path = exchange.getRequest().getPath().value();
ReactiveCircuitBreaker cb = reactiveCircuitBreakerFactory.create(circuitBreakerId + "#" + path);
return cb.run(chain.filter(exchange).doOnSuccess(v -> {
if (statuses.contains(exchange.getResponse().getStatusCode())) {
HttpStatus status = exchange.getResponse().getStatusCode();
throw new CircuitBreakerStatusCodeException(status);
}
}), t -> {
if (config.getFallbackUri() == null) {
return Mono.error(t);
}
exchange.getResponse().setStatusCode(null);
reset(exchange);
// TODO: copied from RouteToRequestUrlFilter
URI uri = exchange.getRequest().getURI();
// TODO: assume always?
boolean encoded = containsEncodedParts(uri);
URI requestUrl = UriComponentsBuilder.fromUri(uri).host(null).port(null)
.uri(config.getFallbackUri()).scheme(null).build(encoded).toUri();
exchange.getAttributes().put(GATEWAY_REQUEST_URL_ATTR, requestUrl);
addExceptionDetails(t, exchange);
// Reset the exchange
reset(exchange);
ServerHttpRequest request = exchange.getRequest().mutate().uri(requestUrl).build();
return getDispatcherHandler().handle(exchange.mutate().request(request).build());
}).onErrorResume(t -> handleErrorWithoutFallback(t, config.isResumeWithoutError()));
}
@Override
public String toString() {
return filterToStringCreator(PolarisCircuitBreakerFilterFactory.this)
.append("name", config.getName()).append("fallback", config.getFallbackUri()).toString();
}
};
}
@Override
protected Mono<Void> handleErrorWithoutFallback(Throwable t, boolean resumeWithoutError) {
if (t instanceof java.util.concurrent.TimeoutException) {
return Mono.error(new ResponseStatusException(HttpStatus.GATEWAY_TIMEOUT, t.getMessage(), t));
}
if (t instanceof CallAbortedException) {
LOGGER.debug("PolarisCircuitBreaker CallAbortedException: {}", t.getMessage());
return Mono.error(new ServiceUnavailableException());
}
if (resumeWithoutError) {
return Mono.empty();
}
return Mono.error(t);
}
}

57
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/reactor/PolarisCircuitBreakerFluxOperator.java
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@ -0,0 +1,57 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.reactor;
import com.tencent.polaris.circuitbreak.api.InvokeHandler;
import com.tencent.polaris.circuitbreak.client.exception.CallAbortedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.CoreSubscriber;
import reactor.core.publisher.Flux;
import reactor.core.publisher.FluxOperator;
import reactor.core.publisher.Operators;
/**
* FluxOperator for PolarisCircuitBreaker.
*
* @author seanyu 2023-02-27
*/
public class PolarisCircuitBreakerFluxOperator<T> extends FluxOperator<T, T> {
private static final Logger LOGGER = LoggerFactory.getLogger(PolarisCircuitBreakerFluxOperator.class);
private final InvokeHandler invokeHandler;
protected PolarisCircuitBreakerFluxOperator(Flux<? extends T> source, InvokeHandler invokeHandler) {
super(source);
this.invokeHandler = invokeHandler;
}
@Override
public void subscribe(CoreSubscriber<? super T> actual) {
try {
invokeHandler.acquirePermission();
source.subscribe(new PolarisCircuitBreakerReactorSubscriber<>(invokeHandler, actual, false));
}
catch (CallAbortedException e) {
LOGGER.debug("ReactivePolarisCircuitBreaker CallAbortedException: {}", e.getMessage());
Operators.error(actual, e);
}
}
}

57
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/reactor/PolarisCircuitBreakerMonoOperator.java
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@ -0,0 +1,57 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.reactor;
import com.tencent.polaris.circuitbreak.api.InvokeHandler;
import com.tencent.polaris.circuitbreak.client.exception.CallAbortedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.CoreSubscriber;
import reactor.core.publisher.Mono;
import reactor.core.publisher.MonoOperator;
import reactor.core.publisher.Operators;
/**
* MonoOperator for PolarisCircuitBreaker.
*
* @author seanyu 2023-02-27
*/
public class PolarisCircuitBreakerMonoOperator<T> extends MonoOperator<T, T> {
private static final Logger LOGGER = LoggerFactory.getLogger(PolarisCircuitBreakerMonoOperator.class);
private final InvokeHandler invokeHandler;
protected PolarisCircuitBreakerMonoOperator(Mono<? extends T> source, InvokeHandler invokeHandler) {
super(source);
this.invokeHandler = invokeHandler;
}
@Override
public void subscribe(CoreSubscriber<? super T> actual) {
try {
invokeHandler.acquirePermission();
source.subscribe(new PolarisCircuitBreakerReactorSubscriber<>(invokeHandler, actual, true));
}
catch (CallAbortedException e) {
LOGGER.debug("ReactivePolarisCircuitBreaker CallAbortedException: {}", e.getMessage());
Operators.error(actual, e);
}
}
}

119
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/reactor/PolarisCircuitBreakerReactorSubscriber.java
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@ -0,0 +1,119 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.reactor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import com.tencent.polaris.circuitbreak.api.InvokeHandler;
import com.tencent.polaris.circuitbreak.api.pojo.InvokeContext;
import org.reactivestreams.Subscription;
import reactor.core.CoreSubscriber;
import reactor.core.publisher.BaseSubscriber;
import reactor.util.context.Context;
/**
* Reactor Subscriber for PolarisCircuitBreaker.
*
* @author seanyu 2023-02-27
*/
public class PolarisCircuitBreakerReactorSubscriber<T> extends BaseSubscriber<T> {
private final InvokeHandler invokeHandler;
private final CoreSubscriber<? super T> downstreamSubscriber;
private final long startTimeMilli;
private final boolean singleProducer;
private final AtomicBoolean successSignaled = new AtomicBoolean(false);
private final AtomicBoolean eventWasEmitted = new AtomicBoolean(false);
public PolarisCircuitBreakerReactorSubscriber(InvokeHandler invokeHandler, CoreSubscriber<? super T> downstreamSubscriber, boolean singleProducer) {
this.invokeHandler = invokeHandler;
this.downstreamSubscriber = downstreamSubscriber;
this.singleProducer = singleProducer;
this.startTimeMilli = System.currentTimeMillis();
}
@Override
public Context currentContext() {
return downstreamSubscriber.currentContext();
}
@Override
protected void hookOnSubscribe(Subscription subscription) {
downstreamSubscriber.onSubscribe(this);
}
@Override
protected void hookOnNext(T value) {
if (!isDisposed()) {
if (singleProducer && successSignaled.compareAndSet(false, true)) {
long delay = System.currentTimeMillis() - startTimeMilli;
InvokeContext.ResponseContext responseContext = new InvokeContext.ResponseContext();
responseContext.setDuration(delay);
responseContext.setDurationUnit(TimeUnit.MILLISECONDS);
responseContext.setResult(value);
invokeHandler.onSuccess(responseContext);
}
eventWasEmitted.set(true);
downstreamSubscriber.onNext(value);
}
}
@Override
protected void hookOnComplete() {
if (successSignaled.compareAndSet(false, true)) {
long delay = System.currentTimeMillis() - startTimeMilli;
InvokeContext.ResponseContext responseContext = new InvokeContext.ResponseContext();
responseContext.setDuration(delay);
responseContext.setDurationUnit(TimeUnit.MILLISECONDS);
invokeHandler.onSuccess(responseContext);
}
downstreamSubscriber.onComplete();
}
@Override
public void hookOnCancel() {
if (!successSignaled.get()) {
if (eventWasEmitted.get()) {
long delay = System.currentTimeMillis() - startTimeMilli;
InvokeContext.ResponseContext responseContext = new InvokeContext.ResponseContext();
responseContext.setDuration(delay);
responseContext.setDurationUnit(TimeUnit.MILLISECONDS);
invokeHandler.onSuccess(responseContext);
}
}
}
@Override
protected void hookOnError(Throwable e) {
long delay = System.currentTimeMillis() - startTimeMilli;
InvokeContext.ResponseContext responseContext = new InvokeContext.ResponseContext();
responseContext.setDuration(delay);
responseContext.setDurationUnit(TimeUnit.MILLISECONDS);
responseContext.setError(e);
invokeHandler.onError(responseContext);
downstreamSubscriber.onError(e);
}
}

53
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/reactor/PolarisCircuitBreakerReactorTransformer.java
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@ -0,0 +1,53 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.reactor;
import java.util.function.Function;
import com.tencent.polaris.circuitbreak.api.InvokeHandler;
import org.reactivestreams.Publisher;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
/**
* Reactor Transformer for PolarisCircuitBreaker.
*
* @author seanyu 2023-02-27
*/
public class PolarisCircuitBreakerReactorTransformer<T> implements Function<Publisher<T>, Publisher<T>> {
private final InvokeHandler invokeHandler;
public PolarisCircuitBreakerReactorTransformer(InvokeHandler invokeHandler) {
this.invokeHandler = invokeHandler;
}
@Override
public Publisher<T> apply(Publisher<T> publisher) {
if (publisher instanceof Mono) {
return new PolarisCircuitBreakerMonoOperator<>((Mono<? extends T>) publisher, invokeHandler);
}
else if (publisher instanceof Flux) {
return new PolarisCircuitBreakerFluxOperator<>((Flux<? extends T>) publisher, invokeHandler);
}
else {
throw new IllegalStateException("Publisher type is not supported: " + publisher.getClass().getCanonicalName());
}
}
}

54
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/java/com/tencent/cloud/polaris/circuitbreaker/util/PolarisCircuitBreakerUtils.java
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@ -0,0 +1,54 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.util;
import com.tencent.cloud.common.metadata.MetadataContext;
import org.springframework.util.Assert;
/**
* PolarisCircuitBreakerUtils.
*
* @author seanyu 2023-02-27
*/
public final class PolarisCircuitBreakerUtils {
private PolarisCircuitBreakerUtils() {
}
/**
*
* @param id CircuitBreakerId
* Format: namespace#service#method or service#method or service ,
* namespace set as default spring.cloud.polaris.namespace if absent
* @return String[]{namespace, service, method}
*/
public static String[] resolveCircuitBreakerId(String id) {
Assert.hasText(id, "A CircuitBreaker must have an id. Id could be : namespace#service#method or service#method or service");
String[] polarisCircuitBreakerMetaData = id.split("#");
if (polarisCircuitBreakerMetaData.length == 2) {
return new String[]{MetadataContext.LOCAL_NAMESPACE, polarisCircuitBreakerMetaData[0], polarisCircuitBreakerMetaData[1]};
}
if (polarisCircuitBreakerMetaData.length == 3) {
return new String[]{polarisCircuitBreakerMetaData[0], polarisCircuitBreakerMetaData[1], polarisCircuitBreakerMetaData[2]};
}
return new String[]{MetadataContext.LOCAL_NAMESPACE, id, ""};
}
}

5
spring-cloud-starter-tencent-polaris-circuitbreaker/src/main/resources/META-INF/spring.factories
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@ -1,4 +1,7 @@
org.springframework.boot.autoconfigure.EnableAutoConfiguration=\ org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerAutoConfiguration com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerAutoConfiguration,\
com.tencent.cloud.polaris.circuitbreaker.config.ReactivePolarisCircuitBreakerAutoConfiguration,\
com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerFeignClientAutoConfiguration,\
com.tencent.cloud.polaris.circuitbreaker.config.GatewayPolarisCircuitBreakerAutoConfiguration
org.springframework.cloud.bootstrap.BootstrapConfiguration=\ org.springframework.cloud.bootstrap.BootstrapConfiguration=\
com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerBootstrapConfiguration com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerBootstrapConfiguration

84
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/PolarisCircuitBreakerAutoConfigurationTest.java
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@ -0,0 +1,84 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import com.tencent.cloud.polaris.circuitbreaker.common.CircuitBreakerConfigModifier;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerAutoConfiguration;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerFeignClientAutoConfiguration;
import com.tencent.cloud.polaris.circuitbreaker.config.ReactivePolarisCircuitBreakerAutoConfiguration;
import com.tencent.cloud.polaris.context.config.PolarisContextAutoConfiguration;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementAutoConfiguration;
import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
import org.junit.jupiter.api.Test;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.cloud.client.circuitbreaker.CircuitBreakerFactory;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreakerFactory;
import org.springframework.cloud.client.loadbalancer.LoadBalancerAutoConfiguration;
import org.springframework.cloud.openfeign.CircuitBreakerNameResolver;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Test for {@link PolarisCircuitBreakerAutoConfiguration}.
*
* @author Haotian Zhang
*/
public class PolarisCircuitBreakerAutoConfigurationTest {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
.withConfiguration(AutoConfigurations.of(
PolarisContextAutoConfiguration.class,
RpcEnhancementAutoConfiguration.class,
LoadBalancerAutoConfiguration.class,
PolarisCircuitBreakerFeignClientAutoConfiguration.class,
PolarisCircuitBreakerAutoConfiguration.class))
.withPropertyValues("spring.cloud.polaris.circuitbreaker.enabled=true");
private final ApplicationContextRunner reactiveContextRunner = new ApplicationContextRunner()
.withConfiguration(AutoConfigurations.of(
PolarisContextAutoConfiguration.class,
RpcEnhancementAutoConfiguration.class,
LoadBalancerAutoConfiguration.class,
ReactivePolarisCircuitBreakerAutoConfiguration.class))
.withPropertyValues("spring.cloud.polaris.circuitbreaker.enabled=true");
@Test
public void testDefaultInitialization() {
this.contextRunner.run(context -> {
assertThat(context).hasSingleBean(PolarisCircuitBreakerAutoConfiguration.class);
assertThat(context).hasSingleBean(CircuitBreakerFactory.class);
assertThat(context).hasSingleBean(CircuitBreakerConfigModifier.class);
assertThat(context).hasSingleBean(CircuitBreakAPI.class);
assertThat(context).hasSingleBean(CircuitBreakerNameResolver.class);
});
}
@Test
public void testReactiveInitialization() {
this.reactiveContextRunner.run(context -> {
assertThat(context).hasSingleBean(ReactivePolarisCircuitBreakerAutoConfiguration.class);
assertThat(context).hasSingleBean(ReactiveCircuitBreakerFactory.class);
assertThat(context).hasSingleBean(CircuitBreakerConfigModifier.class);
assertThat(context).hasSingleBean(CircuitBreakAPI.class);
});
}
}

15
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/config/PolarisCircuitBreakerBootstrapConfigurationTest.java → spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/PolarisCircuitBreakerBootstrapConfigurationTest.java
Unescape View File

@ -15,8 +15,12 @@
* specific language governing permissions and limitations under the License. * specific language governing permissions and limitations under the License.
*/ */
package com.tencent.cloud.polaris.circuitbreaker.config; package com.tencent.cloud.polaris.circuitbreaker;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerAutoConfiguration;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerBootstrapConfiguration;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerFeignClientAutoConfiguration;
import com.tencent.cloud.polaris.circuitbreaker.config.ReactivePolarisCircuitBreakerAutoConfiguration;
import com.tencent.cloud.polaris.context.config.PolarisContextAutoConfiguration; import com.tencent.cloud.polaris.context.config.PolarisContextAutoConfiguration;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementAutoConfiguration; import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementAutoConfiguration;
import org.junit.jupiter.api.Test; import org.junit.jupiter.api.Test;
@ -34,10 +38,10 @@ import static org.assertj.core.api.Assertions.assertThat;
*/ */
public class PolarisCircuitBreakerBootstrapConfigurationTest { public class PolarisCircuitBreakerBootstrapConfigurationTest {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner() private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
.withConfiguration(AutoConfigurations.of(PolarisContextAutoConfiguration.class, .withConfiguration(AutoConfigurations.of(
PolarisContextAutoConfiguration.class,
RpcEnhancementAutoConfiguration.class, RpcEnhancementAutoConfiguration.class,
LoadBalancerAutoConfiguration.class, LoadBalancerAutoConfiguration.class,
RpcEnhancementAutoConfiguration.class,
PolarisCircuitBreakerBootstrapConfiguration.class)) PolarisCircuitBreakerBootstrapConfiguration.class))
.withPropertyValues("spring.cloud.polaris.enabled=true") .withPropertyValues("spring.cloud.polaris.enabled=true")
.withPropertyValues("spring.cloud.polaris.circuitbreaker.enabled=true"); .withPropertyValues("spring.cloud.polaris.circuitbreaker.enabled=true");
@ -45,8 +49,9 @@ public class PolarisCircuitBreakerBootstrapConfigurationTest {
@Test @Test
public void testDefaultInitialization() { public void testDefaultInitialization() {
this.contextRunner.run(context -> { this.contextRunner.run(context -> {
assertThat(context).hasSingleBean( assertThat(context).hasSingleBean(PolarisCircuitBreakerAutoConfiguration.class);
PolarisCircuitBreakerAutoConfiguration.CircuitBreakerConfigModifier.class); assertThat(context).hasSingleBean(PolarisCircuitBreakerFeignClientAutoConfiguration.class);
assertThat(context).hasSingleBean(ReactivePolarisCircuitBreakerAutoConfiguration.class);
}); });
} }
} }

178
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/PolarisCircuitBreakerFeignIntegrationTest.java
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@ -0,0 +1,178 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerFeignClientAutoConfiguration;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.cloud.openfeign.FallbackFactory;
import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.springframework.boot.test.context.SpringBootTest.WebEnvironment.RANDOM_PORT;
/**
* @author sean yu
*/
@ExtendWith(SpringExtension.class)
@SpringBootTest(webEnvironment = RANDOM_PORT,
classes = PolarisCircuitBreakerFeignIntegrationTest.TestConfig.class,
properties = {
"spring.cloud.gateway.enabled=false",
"feign.circuitbreaker.enabled=true",
"spring.cloud.polaris.namespace=default",
"spring.cloud.polaris.service=Test"
})
@DirtiesContext
public class PolarisCircuitBreakerFeignIntegrationTest {
@Autowired
private EchoService echoService;
@Autowired
private FooService fooService;
@Autowired
private BarService barService;
@Autowired
private BazService bazService;
@Test
public void contextLoads() throws Exception {
assertThat(echoService).isNotNull();
assertThat(fooService).isNotNull();
}
@Test
public void testFeignClient() {
assertThat(echoService.echo("test")).isEqualTo("echo fallback");
assertThat(fooService.echo("test")).isEqualTo("foo fallback");
assertThatThrownBy(() -> {
barService.bar();
}).isInstanceOf(Exception.class);
assertThatThrownBy(() -> {
bazService.baz();
}).isInstanceOf(Exception.class);
assertThat(fooService.toString()).isNotEqualTo(echoService.toString());
assertThat(fooService.hashCode()).isNotEqualTo(echoService.hashCode());
assertThat(echoService.equals(fooService)).isEqualTo(Boolean.FALSE);
}
@Configuration
@EnableAutoConfiguration
@ImportAutoConfiguration({ PolarisCircuitBreakerFeignClientAutoConfiguration.class })
@EnableFeignClients
public static class TestConfig {
@Bean
public EchoServiceFallback echoServiceFallback() {
return new EchoServiceFallback();
}
@Bean
public CustomFallbackFactory customFallbackFactory() {
return new CustomFallbackFactory();
}
}
@FeignClient(value = "test-service", fallback = EchoServiceFallback.class)
public interface EchoService {
@RequestMapping(path = "echo/{str}")
String echo(@RequestParam("str") String param);
}
@FeignClient(value = "foo-service", fallbackFactory = CustomFallbackFactory.class)
public interface FooService {
@RequestMapping("echo/{str}")
String echo(@RequestParam("str") String param);
}
@FeignClient("bar-service")
public interface BarService {
@RequestMapping(path = "bar")
String bar();
}
public interface BazService {
@RequestMapping(path = "baz")
String baz();
}
@FeignClient("baz-service")
public interface BazClient extends BazService {
}
public static class EchoServiceFallback implements EchoService {
@Override
public String echo(@RequestParam("str") String param) {
return "echo fallback";
}
}
public static class FooServiceFallback implements FooService {
@Override
public String echo(@RequestParam("str") String param) {
return "foo fallback";
}
}
public static class CustomFallbackFactory
implements FallbackFactory<FooService> {
private FooService fooService = new FooServiceFallback();
@Override
public FooService create(Throwable throwable) {
return fooService;
}
}
}

148
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/PolarisCircuitBreakerGatewayIntegrationTest.java
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@ -0,0 +1,148 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import java.util.HashSet;
import java.util.Set;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import reactor.core.publisher.Mono;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.test.autoconfigure.web.reactive.AutoConfigureWebTestClient;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.cloud.contract.wiremock.AutoConfigureWireMock;
import org.springframework.cloud.gateway.route.RouteLocator;
import org.springframework.cloud.gateway.route.builder.RouteLocatorBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import org.springframework.test.web.reactive.server.WebTestClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.stubFor;
import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
import static org.assertj.core.api.Assertions.assertThat;
/**
* @author sean yu
*/
@ExtendWith(SpringExtension.class)
@SpringBootTest(
webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
properties = {
"spring.cloud.gateway.enabled=true",
"spring.cloud.polaris.namespace=default",
"spring.cloud.polaris.service=Test",
"spring.main.web-application-type=reactive",
"httpbin=http://localhost:${wiremock.server.port}"
},
classes = PolarisCircuitBreakerGatewayIntegrationTest.TestApplication.class
)
@AutoConfigureWireMock(port = 0)
@ActiveProfiles("test-gateway")
@AutoConfigureWebTestClient(timeout = "10000")
public class PolarisCircuitBreakerGatewayIntegrationTest {
@Autowired
private WebTestClient webClient;
@Test
public void fallback() throws Exception {
stubFor(get(urlEqualTo("/err"))
.willReturn(aResponse()
.withStatus(500)
.withBody("err")
.withFixedDelay(3000)));
webClient
.get().uri("/err")
.header("Host", "www.circuitbreaker.com")
.exchange()
.expectStatus().isOk()
.expectBody()
.consumeWith(
response -> assertThat(response.getResponseBody()).isEqualTo("fallback".getBytes()));
}
@Test
public void noFallback() throws Exception {
stubFor(get(urlEqualTo("/err-no-fallback"))
.willReturn(aResponse()
.withStatus(500)
.withBody("err")
.withFixedDelay(3000)));
webClient
.get().uri("/err-no-fallback")
.header("Host", "www.circuitbreaker-no-fallback.com")
.exchange()
.expectStatus().isEqualTo(500);
}
@Configuration
@EnableAutoConfiguration
public static class TestApplication {
@Bean
public RouteLocator myRoutes(RouteLocatorBuilder builder) {
String httpUri = "http://httpbin.org:80";
Set<String> codeSets = new HashSet<>();
codeSets.add("4**");
codeSets.add("5**");
return builder.routes()
.route(p -> p
.host("*.circuitbreaker.com")
.filters(f -> f
.circuitBreaker(config -> config
.setStatusCodes(codeSets)
.setFallbackUri("forward:/fallback")
))
.uri(httpUri))
.route(p -> p
.host("*.circuitbreaker-no-fallback.com")
.filters(f -> f
.circuitBreaker(config -> config
.setStatusCodes(codeSets)
))
.uri(httpUri))
.build();
}
@RestController
static class Controller {
@RequestMapping("/fallback")
public Mono<String> fallback() {
return Mono.just("fallback");
}
}
}
}

149
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/PolarisCircuitBreakerMockServerTest.java
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@ -0,0 +1,149 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import com.google.protobuf.util.JsonFormat;
import com.tencent.cloud.common.util.ApplicationContextAwareUtils;
import com.tencent.polaris.api.config.Configuration;
import com.tencent.polaris.api.pojo.ServiceKey;
import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
import com.tencent.polaris.circuitbreak.factory.CircuitBreakAPIFactory;
import com.tencent.polaris.client.util.Utils;
import com.tencent.polaris.specification.api.v1.fault.tolerance.CircuitBreakerProto;
import com.tencent.polaris.test.common.TestUtils;
import com.tencent.polaris.test.mock.discovery.NamingServer;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.springframework.cloud.client.circuitbreaker.CircuitBreaker;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreaker;
import static com.tencent.polaris.test.common.Consts.NAMESPACE_TEST;
import static com.tencent.polaris.test.common.Consts.SERVICE_CIRCUIT_BREAKER;
import static com.tencent.polaris.test.common.TestUtils.SERVER_ADDRESS_ENV;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Test for {@link PolarisCircuitBreaker} and {@link ReactivePolarisCircuitBreaker} using real mock server.
*
* @author sean yu
*/
@ExtendWith(MockitoExtension.class)
public class PolarisCircuitBreakerMockServerTest {
private static MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils;
private static NamingServer namingServer;
@BeforeAll
public static void beforeAll() throws IOException {
mockedApplicationContextAwareUtils = Mockito.mockStatic(ApplicationContextAwareUtils.class);
mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties("spring.cloud.polaris.namespace"))
.thenReturn(NAMESPACE_TEST);
mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties("spring.cloud.polaris.service"))
.thenReturn(SERVICE_CIRCUIT_BREAKER);
try {
namingServer = NamingServer.startNamingServer(-1);
System.setProperty(SERVER_ADDRESS_ENV, String.format("127.0.0.1:%d", namingServer.getPort()));
}
catch (IOException e) {
}
ServiceKey serviceKey = new ServiceKey(NAMESPACE_TEST, SERVICE_CIRCUIT_BREAKER);
CircuitBreakerProto.CircuitBreakerRule.Builder circuitBreakerRuleBuilder = CircuitBreakerProto.CircuitBreakerRule.newBuilder();
InputStream inputStream = PolarisCircuitBreakerMockServerTest.class.getClassLoader().getResourceAsStream("circuitBreakerRule.json");
String json = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8)).lines().collect(Collectors.joining(""));
JsonFormat.parser().ignoringUnknownFields().merge(json, circuitBreakerRuleBuilder);
CircuitBreakerProto.CircuitBreakerRule circuitBreakerRule = circuitBreakerRuleBuilder.build();
CircuitBreakerProto.CircuitBreaker circuitBreaker = CircuitBreakerProto.CircuitBreaker.newBuilder().addRules(circuitBreakerRule).build();
namingServer.getNamingService().setCircuitBreaker(serviceKey, circuitBreaker);
}
@AfterAll
public static void afterAll() {
if (null != namingServer) {
namingServer.terminate();
}
}
@Test
public void testCircuitBreaker() {
Configuration configuration = TestUtils.configWithEnvAddress();
CircuitBreakAPI circuitBreakAPI = CircuitBreakAPIFactory.createCircuitBreakAPIByConfig(configuration);
PolarisCircuitBreakerFactory polarisCircuitBreakerFactory = new PolarisCircuitBreakerFactory(circuitBreakAPI);
CircuitBreaker cb = polarisCircuitBreakerFactory.create(SERVICE_CIRCUIT_BREAKER);
// trigger fallback for 5 times
List<String> resList = new ArrayList<>();
for (int i = 0; i < 5; i++) {
int finalI = i;
String res = cb.run(() -> {
if (finalI % 2 == 1) {
throw new IllegalArgumentException("invoke failed");
}
else {
return "invoke success";
}
}, t -> "fallback");
resList.add(res);
Utils.sleepUninterrupted(1000);
}
assertThat(resList).isEqualTo(Arrays.asList("invoke success", "fallback", "fallback", "fallback", "fallback"));
// always fallback
ReactivePolarisCircuitBreakerFactory reactivePolarisCircuitBreakerFactory = new ReactivePolarisCircuitBreakerFactory(circuitBreakAPI);
ReactiveCircuitBreaker rcb = reactivePolarisCircuitBreakerFactory.create(SERVICE_CIRCUIT_BREAKER);
assertThat(Mono.just("foobar").transform(it -> rcb.run(it, t -> Mono.just("fallback")))
.block()).isEqualTo("fallback");
assertThat(Mono.error(new RuntimeException("boom")).transform(it -> rcb.run(it, t -> Mono.just("fallback")))
.block()).isEqualTo("fallback");
assertThat(Flux.just("foobar", "hello world").transform(it -> rcb.run(it, t -> Flux.just("fallback", "fallback")))
.collectList().block())
.isEqualTo(Arrays.asList("fallback", "fallback"));
assertThat(Flux.error(new RuntimeException("boom")).transform(it -> rcb.run(it, t -> Flux.just("fallback")))
.collectList().block())
.isEqualTo(Collections.singletonList("fallback"));
}
}

101
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/PolarisCircuitBreakerTest.java
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@ -0,0 +1,101 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import com.tencent.cloud.common.util.ApplicationContextAwareUtils;
import com.tencent.cloud.polaris.circuitbreaker.common.PolarisCircuitBreakerConfigBuilder;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerAutoConfiguration;
import com.tencent.cloud.polaris.circuitbreaker.config.PolarisCircuitBreakerFeignClientAutoConfiguration;
import com.tencent.cloud.polaris.context.config.PolarisContextAutoConfiguration;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementAutoConfiguration;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.cloud.client.circuitbreaker.CircuitBreaker;
import org.springframework.cloud.client.loadbalancer.LoadBalancerAutoConfiguration;
import static com.tencent.polaris.test.common.Consts.NAMESPACE_TEST;
import static com.tencent.polaris.test.common.Consts.SERVICE_CIRCUIT_BREAKER;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Test for {@link PolarisCircuitBreaker}.
*
* @author sean yu
*/
@ExtendWith(MockitoExtension.class)
public class PolarisCircuitBreakerTest {
private static ApplicationContextRunner contextRunner = new ApplicationContextRunner()
.withConfiguration(AutoConfigurations.of(
PolarisContextAutoConfiguration.class,
RpcEnhancementAutoConfiguration.class,
LoadBalancerAutoConfiguration.class,
PolarisCircuitBreakerFeignClientAutoConfiguration.class,
PolarisCircuitBreakerAutoConfiguration.class))
.withPropertyValues("spring.cloud.polaris.circuitbreaker.enabled=true");
private static MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils;
@BeforeAll
public static void beforeClass() {
mockedApplicationContextAwareUtils = Mockito.mockStatic(ApplicationContextAwareUtils.class);
mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties("spring.cloud.polaris.namespace"))
.thenReturn(NAMESPACE_TEST);
mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties("spring.cloud.polaris.service"))
.thenReturn(SERVICE_CIRCUIT_BREAKER);
}
@AfterAll
public static void afterAll() {
mockedApplicationContextAwareUtils.close();
}
@Test
public void run() {
this.contextRunner.run(context -> {
PolarisCircuitBreakerFactory polarisCircuitBreakerFactory = context.getBean(PolarisCircuitBreakerFactory.class);
CircuitBreaker cb = polarisCircuitBreakerFactory.create(SERVICE_CIRCUIT_BREAKER);
PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration configuration =
polarisCircuitBreakerFactory.configBuilder(SERVICE_CIRCUIT_BREAKER).build();
polarisCircuitBreakerFactory.configureDefault(id -> configuration);
assertThat(cb.run(() -> "foobar")).isEqualTo("foobar");
assertThat((String) cb.run(() -> {
throw new RuntimeException("boom");
}, t -> "fallback")).isEqualTo("fallback");
});
}
}

103
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/ReactivePolarisCircuitBreakerTest.java
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@ -0,0 +1,103 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker;
import java.util.Arrays;
import java.util.Collections;
import com.tencent.cloud.common.util.ApplicationContextAwareUtils;
import com.tencent.cloud.polaris.circuitbreaker.common.PolarisCircuitBreakerConfigBuilder;
import com.tencent.cloud.polaris.circuitbreaker.config.ReactivePolarisCircuitBreakerAutoConfiguration;
import com.tencent.cloud.polaris.context.config.PolarisContextAutoConfiguration;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementAutoConfiguration;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.MockedStatic;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreaker;
import org.springframework.cloud.client.loadbalancer.LoadBalancerAutoConfiguration;
import static com.tencent.polaris.test.common.Consts.NAMESPACE_TEST;
import static com.tencent.polaris.test.common.Consts.SERVICE_CIRCUIT_BREAKER;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Test for {@link ReactivePolarisCircuitBreaker}.
*
* @author sean yu
*/
@ExtendWith(MockitoExtension.class)
public class ReactivePolarisCircuitBreakerTest {
private final ApplicationContextRunner reactiveContextRunner = new ApplicationContextRunner()
.withConfiguration(AutoConfigurations.of(
PolarisContextAutoConfiguration.class,
RpcEnhancementAutoConfiguration.class,
LoadBalancerAutoConfiguration.class,
ReactivePolarisCircuitBreakerAutoConfiguration.class))
.withPropertyValues("spring.cloud.polaris.circuitbreaker.enabled=true");
private static MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils;
@BeforeAll
public static void beforeClass() {
mockedApplicationContextAwareUtils = Mockito.mockStatic(ApplicationContextAwareUtils.class);
mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties("spring.cloud.polaris.namespace"))
.thenReturn(NAMESPACE_TEST);
mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties("spring.cloud.polaris.service"))
.thenReturn(SERVICE_CIRCUIT_BREAKER);
}
@AfterAll
public static void afterAll() {
mockedApplicationContextAwareUtils.close();
}
@Test
public void run() {
this.reactiveContextRunner.run(context -> {
ReactivePolarisCircuitBreakerFactory polarisCircuitBreakerFactory = context.getBean(ReactivePolarisCircuitBreakerFactory.class);
ReactiveCircuitBreaker cb = polarisCircuitBreakerFactory.create(SERVICE_CIRCUIT_BREAKER);
PolarisCircuitBreakerConfigBuilder.PolarisCircuitBreakerConfiguration configuration =
polarisCircuitBreakerFactory.configBuilder(SERVICE_CIRCUIT_BREAKER).build();
polarisCircuitBreakerFactory.configureDefault(id -> configuration);
assertThat(Mono.just("foobar").transform(cb::run).block()).isEqualTo("foobar");
assertThat(Mono.error(new RuntimeException("boom")).transform(it -> cb.run(it, t -> Mono.just("fallback")))
.block()).isEqualTo("fallback");
assertThat(Flux.just("foobar", "hello world").transform(cb::run).collectList().block())
.isEqualTo(Arrays.asList("foobar", "hello world"));
assertThat(Flux.error(new RuntimeException("boom")).transform(it -> cb.run(it, t -> Flux.just("fallback")))
.collectList().block()).isEqualTo(Collections.singletonList("fallback"));
});
}
}

52
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/java/com/tencent/cloud/polaris/circuitbreaker/config/PolarisCircuitBreakerAutoConfigurationTest.java
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@ -1,52 +0,0 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.config;
import com.tencent.cloud.polaris.context.config.PolarisContextAutoConfiguration;
import com.tencent.cloud.rpc.enhancement.config.RpcEnhancementAutoConfiguration;
import org.junit.jupiter.api.Test;
import org.springframework.boot.autoconfigure.AutoConfigurations;
import org.springframework.boot.test.context.runner.ApplicationContextRunner;
import org.springframework.cloud.client.loadbalancer.LoadBalancerAutoConfiguration;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Test for {@link PolarisCircuitBreakerAutoConfiguration}.
*
* @author Haotian Zhang
*/
public class PolarisCircuitBreakerAutoConfigurationTest {
private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
.withConfiguration(AutoConfigurations.of(
PolarisContextAutoConfiguration.class,
RpcEnhancementAutoConfiguration.class,
LoadBalancerAutoConfiguration.class,
RpcEnhancementAutoConfiguration.class,
PolarisCircuitBreakerAutoConfiguration.class))
.withPropertyValues("spring.cloud.polaris.circuitbreaker.enabled=true");
@Test
public void testDefaultInitialization() {
this.contextRunner.run(context -> {
assertThat(context).hasSingleBean(
PolarisCircuitBreakerAutoConfiguration.CircuitBreakerConfigModifier.class);
});
}
}

36
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/resources/application-test-gateway.yml
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@ -0,0 +1,36 @@
spring:
application:
name: GatewayScgService
cloud:
tencent:
plugin:
scg:
staining:
enabled: true
rule-staining:
enabled: true
router:
feature-env:
enabled: true
polaris:
address: grpc://127.0.0.1:8091
namespace: default
enabled: true
gateway:
routes:
- id: cb-test
uri: http://localhost:${server.port}/hello/1
predicates:
- Path=/cb-test/**
filters:
- name: CircuitBreaker
args:
statusCodes: 5**,4**,3**,2**,1**,500,400
fallbackUri: forward:/polaris-fallback
logging:
level:
root: info
com.tencent.polaris.discovery.client.flow.RegisterFlow: off
com.tencent.polaris.plugins.registry.memory.CacheObject: off
com.tencent.cloud.polaris.circuitbreaker: debug

59
spring-cloud-starter-tencent-polaris-circuitbreaker/src/test/resources/circuitBreakerRule.json
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@ -0,0 +1,59 @@
{
"@type": "type.googleapis.com/v1.CircuitBreakerRule",
"id": "5f1601f01823474d9be39c0bbb26ab87",
"name": "test",
"namespace": "TestCircuitBreakerRule",
"enable": true,
"revision": "10b120c08706429f8fdc3fb44a53224b",
"ctime": "1754-08-31 06:49:24",
"mtime": "2023-02-21 17:35:31",
"etime": "",
"description": "",
"level": "SERVICE",
"ruleMatcher": {
"source": {
"service": "*",
"namespace": "*"
},
"destination": {
"service": "*",
"namespace": "*",
"method": null
}
},
"errorConditions": [
{
"inputType": "RET_CODE",
"condition": {
"type": "NOT_EQUALS",
"value": "200",
"valueType": "TEXT"
}
}
],
"triggerCondition": [
{
"triggerType": "CONSECUTIVE_ERROR",
"errorCount": 1,
"errorPercent": 1,
"interval": 5,
"minimumRequest": 5
}
],
"maxEjectionPercent": 0,
"recoverCondition": {
"sleepWindow": 60,
"consecutiveSuccess": 3
},
"faultDetectConfig": {
"enable": true
},
"fallbackConfig": {
"enable": false,
"response": {
"code": 0,
"headers": [],
"body": ""
}
}
}

4
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/pom.xml → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service/pom.xml
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@ -10,8 +10,8 @@
</parent> </parent>
<modelVersion>4.0.0</modelVersion> <modelVersion>4.0.0</modelVersion>
<artifactId>polaris-circuitbreaker-example-b</artifactId> <artifactId>polaris-circuitbreaker-callee-service</artifactId>
<name>Polaris Circuit Breaker Example B</name> <name>Polaris Circuit Breaker Callee Example</name>
<dependencies> <dependencies>
<dependency> <dependency>

0
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceB.java → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceB.java
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0
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceBController.java → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceBController.java
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2
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b/src/main/resources/bootstrap.yml → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service/src/main/resources/bootstrap.yml
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@ -2,7 +2,7 @@ server:
port: 48081 port: 48081
spring: spring:
application: application:
name: polaris-circuitbreaker-example-b name: polaris-circuitbreaker-callee-service
cloud: cloud:
polaris: polaris:
address: grpc://183.47.111.80:8091 address: grpc://183.47.111.80:8091

3
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b2/pom.xml → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service2/pom.xml
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@ -10,7 +10,8 @@
</parent> </parent>
<modelVersion>4.0.0</modelVersion> <modelVersion>4.0.0</modelVersion>
<artifactId>polaris-circuitbreaker-example-b2</artifactId> <artifactId>polaris-circuitbreaker-callee-service2</artifactId>
<name>Polaris Circuit Breaker Callee Example 2</name>
<dependencies> <dependencies>
<dependency> <dependency>

0
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b2/src/main/java/com/tencent/cloud/polaris/ciruitbreaker/example/ServiceB2.java → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service2/src/main/java/com/tencent/cloud/polaris/ciruitbreaker/example/ServiceB2.java
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0
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b2/src/main/java/com/tencent/cloud/polaris/ciruitbreaker/example/ServiceBController.java → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service2/src/main/java/com/tencent/cloud/polaris/ciruitbreaker/example/ServiceBController.java
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2
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b2/src/main/resources/bootstrap.yml → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service2/src/main/resources/bootstrap.yml
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@ -2,7 +2,7 @@ server:
port: 48082 port: 48082
spring: spring:
application: application:
name: polaris-circuitbreaker-example-b name: polaris-circuitbreaker-callee-service
cloud: cloud:
polaris: polaris:
address: grpc://183.47.111.80:8091 address: grpc://183.47.111.80:8091

38
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/resources/bootstrap.yml
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@ -1,38 +0,0 @@
server:
port: 48080
spring:
application:
name: polaris-circuitbreaker-example-a
cloud:
polaris:
address: grpc://183.47.111.80:8091
namespace: default
enabled: true
circuitbreaker:
enabled: true
stat:
enabled: true
port: 28081
loadbalancer:
configurations: polaris
tencent:
rpc-enhancement:
enabled: true
reporter:
ignore-internal-server-error: true
series: server_error
statuses: gateway_timeout, bad_gateway, service_unavailable
feign:
circuitbreaker:
enabled: true
compression:
request:
enabled: false
mime-types: text/xml,application/xml,application/json
min-request-size: 2048
response:
enabled: false
serivceB:
url: http://localhost:48081

13
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/pom.xml → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-feign-example/pom.xml
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@ -10,8 +10,8 @@
</parent> </parent>
<modelVersion>4.0.0</modelVersion> <modelVersion>4.0.0</modelVersion>
<artifactId>polaris-circuitbreaker-example-a</artifactId> <artifactId>polaris-circuitbreaker-feign-example</artifactId>
<name>Polaris Circuit Breaker Example A</name> <name>Polaris Circuit Breaker Feign Example</name>
<dependencies> <dependencies>
<dependency> <dependency>
@ -24,11 +24,6 @@
<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId> <artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
</dependency> </dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-starter-tencent-polaris-circuitbreaker</artifactId>
</dependency>
<dependency> <dependency>
<groupId>org.springframework.cloud</groupId> <groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId> <artifactId>spring-cloud-starter-openfeign</artifactId>
@ -40,8 +35,8 @@
</dependency> </dependency>
<dependency> <dependency>
<groupId>org.springframework.cloud</groupId> <groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-circuitbreaker-spring-retry</artifactId> <artifactId>spring-cloud-starter-tencent-polaris-circuitbreaker</artifactId>
</dependency> </dependency>
<dependency> <dependency>

8
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ProviderB.java → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-feign-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/feign/example/ProviderB.java
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@ -15,17 +15,19 @@
* specific language governing permissions and limitations under the License. * specific language governing permissions and limitations under the License.
*/ */
package com.tencent.cloud.polaris.circuitbreaker.example; package com.tencent.cloud.polaris.circuitbreaker.feign.example;
import org.springframework.cloud.openfeign.FeignClient; import org.springframework.cloud.openfeign.FeignClient;
import org.springframework.context.annotation.Primary;
import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.GetMapping;
/** /**
* Circuit breaker example callee provider. * Circuit breaker example callee provider.
* *
* @author Haotian Zhang * @author sean yu
*/ */
@FeignClient(name = "polaris-circuitbreaker-example-b", fallback = ProviderBFallback.class) @Primary
@FeignClient(name = "polaris-circuitbreaker-callee-service", fallback = ProviderBFallback.class)
public interface ProviderB { public interface ProviderB {
/** /**

6
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ProviderBFallback.java → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-feign-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/feign/example/ProviderBFallback.java
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@ -15,20 +15,20 @@
* specific language governing permissions and limitations under the License. * specific language governing permissions and limitations under the License.
*/ */
package com.tencent.cloud.polaris.circuitbreaker.example; package com.tencent.cloud.polaris.circuitbreaker.feign.example;
import org.springframework.stereotype.Component; import org.springframework.stereotype.Component;
/** /**
* Circuit breaker example callee fallback. * Circuit breaker example callee fallback.
* *
* @author Haotian Zhang * @author sean yu
*/ */
@Component @Component
public class ProviderBFallback implements ProviderB { public class ProviderBFallback implements ProviderB {
@Override @Override
public String info() { public String info() {
return "trigger the refuse for service b"; return "fallback: trigger the refuse for service b";
} }
} }

26
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceAController.java → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-feign-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/feign/example/ServiceAController.java
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@ -15,19 +15,18 @@
* specific language governing permissions and limitations under the License. * specific language governing permissions and limitations under the License.
*/ */
package com.tencent.cloud.polaris.circuitbreaker.example; package com.tencent.cloud.polaris.circuitbreaker.feign.example;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController; import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
/** /**
* Circuit breaker example caller controller. * Circuit breaker example caller controller.
* *
* @author Haotian Zhang * @author sean yu
*/ */
@RestController @RestController
@RequestMapping("/example/service/a") @RequestMapping("/example/service/a")
@ -36,9 +35,6 @@ public class ServiceAController {
@Autowired @Autowired
private ProviderB polarisServiceB; private ProviderB polarisServiceB;
@Autowired
private RestTemplate restTemplate;
/** /**
* Get info of Service B by Feign. * Get info of Service B by Feign.
* @return info of Service B * @return info of Service B
@ -48,20 +44,4 @@ public class ServiceAController {
return polarisServiceB.info(); return polarisServiceB.info();
} }
@GetMapping("/getBServiceInfoByRestTemplate")
public String getBServiceInfoByRestTemplate() {
return restTemplate.getForObject("http://polaris-circuitbreaker-example-b/example/service/b/info", String.class);
}
/**
* Get info of Service B by RestTemplate.
* @return info of Service B
*/
@GetMapping("/testRest")
public String testRest() {
ResponseEntity<String> entity = restTemplate.getForEntity(
"http://polaris-circuitbreaker-example-b/example/service/b/info",
String.class);
return entity.getBody();
}
} }

38
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-feign-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/feign/example/ServiceAFeign.java
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@ -0,0 +1,38 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.feign.example;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.openfeign.EnableFeignClients;
/**
* Circuit breaker example caller application.
*
* @author sean yu
*/
@SpringBootApplication
@EnableFeignClients
public class ServiceAFeign {
public static void main(String[] args) {
SpringApplication.run(ServiceAFeign.class, args);
}
}

39
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-feign-example/src/main/resources/bootstrap.yml
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@ -0,0 +1,39 @@
server:
port: 48080
spring:
application:
name: polaris-circuitbreaker-feign-example
cloud:
polaris:
address: grpc://183.47.111.80:8091
namespace: default
enabled: true
loadbalancer:
enabled: true
circuitbreaker:
enabled: true
# stat:
# enabled: true
# port: 28081
# tencent:
# rpc-enhancement:
# enabled: true
# reporter:
# ignore-internal-server-error: true
# series: server_error
# statuses: gateway_timeout, bad_gateway, service_unavailable
feign:
circuitbreaker:
enabled: true
# compression:
# request:
# enabled: false
# mime-types: text/xml,application/xml,application/json
# min-request-size: 2048
logging:
level:
root: info
com.tencent.cloud: debug

87
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-gateway-example/pom.xml
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@ -0,0 +1,87 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>polaris-circuitbreaker-example</artifactId>
<groupId>com.tencent.cloud</groupId>
<version>${revision}</version>
<relativePath>../pom.xml</relativePath>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>polaris-circuitbreaker-gateway-example</artifactId>
<name>Polaris Circuit Breaker Gateway Example</name>
<dependencies>
<dependency>
<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
<groupId>com.tencent.cloud</groupId>
</dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-starter-tencent-polaris-circuitbreaker</artifactId>
</dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-starter-tencent-polaris-router</artifactId>
</dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-tencent-gateway-plugin</artifactId>
</dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-starter-tencent-metadata-transfer</artifactId>
</dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-tencent-featureenv-plugin</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-gateway</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bootstrap</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>3.2.0</version>
<executions>
<execution>
<id>attach-sources</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

37
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-gateway-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/gateway/example/FallbackController.java
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@ -0,0 +1,37 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.gateway.example;
import reactor.core.publisher.Mono;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
/**
* FallbackController.
*
* sean yu
*/
@RestController
public class FallbackController {
@GetMapping("/polaris-fallback")
Mono<String> getFallback() {
return Mono.just("fallback: trigger the refuse for service b");
}
}

35
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-gateway-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/gateway/example/GatewayScgApplication.java
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@ -0,0 +1,35 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.gateway.example;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* SCG application.
*
* @author sean yu
*/
@SpringBootApplication
public class GatewayScgApplication {
public static void main(String[] args) {
SpringApplication.run(GatewayScgApplication.class, args);
}
}

57
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-gateway-example/src/main/resources/bootstrap.yml
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@ -0,0 +1,57 @@
server:
session-timeout: 1800
port: 48080
spring:
application:
name: GatewayScgService
cloud:
tencent:
plugin:
scg:
staining:
enabled: true
rule-staining:
enabled: true
router:
feature-env:
enabled: true
polaris:
address: grpc://183.47.111.80:8091
namespace: default
enabled: true
gateway:
discovery:
locator:
enabled: true
'predicates[0]':
name: Path
args:
patterns: '''/'' + serviceId + ''/**'''
'filters[0]':
name: RewritePath
args:
regexp: '''/'' + serviceId + ''/(?<remaining>.*)'''
replacement: '''/$\{remaining}'''
'filters[1]':
name: CircuitBreaker
args:
statusCodes: '''4**,502'''
fallbackUri: '''forward:/polaris-fallback'''
# routes:
# - id: polaris-circuitbreaker-callee-service
# uri: lb://polaris-circuitbreaker-callee-service
# predicates:
# - Path=/polaris-circuitbreaker-callee-service/**
# filters:
# - StripPrefix=1
# - name: CircuitBreaker
# args:
# statusCodes: 502
# fallbackUri: forward:/polaris-fallback
logging:
level:
root: info
com.tencent.polaris.discovery.client.flow.RegisterFlow: off
com.tencent.polaris.plugins.registry.memory.CacheObject: off
com.tencent.cloud.polaris.circuitbreaker: debug

72
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-resttemplate-example/pom.xml
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@ -0,0 +1,72 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>polaris-circuitbreaker-example</artifactId>
<groupId>com.tencent.cloud</groupId>
<version>${revision}</version>
<relativePath>../pom.xml</relativePath>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>polaris-circuitbreaker-resttemplate-example</artifactId>
<name>Polaris Circuit Breaker RestTemplate Example</name>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-loadbalancer</artifactId>
</dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-starter-tencent-polaris-circuitbreaker</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bootstrap</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>3.2.0</version>
<executions>
<execution>
<id>attach-sources</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

53
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-resttemplate-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/resttemplate/example/ServiceAController.java
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@ -0,0 +1,53 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.resttemplate.example;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.circuitbreaker.CircuitBreakerFactory;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
/**
* Circuit breaker example caller controller.
*
* @author sean yu
*/
@RestController
@RequestMapping("/example/service/a")
public class ServiceAController {
@Autowired
private RestTemplate restTemplate;
@Autowired
private CircuitBreakerFactory circuitBreakerFactory;
@GetMapping("/getBServiceInfo")
public String getBServiceInfo() {
return circuitBreakerFactory
.create("polaris-circuitbreaker-callee-service#/example/service/b/info")
.run(() ->
restTemplate.getForObject("/example/service/b/info", String.class),
throwable -> "trigger the refuse for service b"
);
}
}

49
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-resttemplate-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/resttemplate/example/ServiceAResTemplate.java
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@ -0,0 +1,49 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.resttemplate.example;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.DefaultUriBuilderFactory;
/**
* Circuit breaker example caller application.
*
* @author sean yu
*/
@SpringBootApplication
public class ServiceAResTemplate {
public static void main(String[] args) {
SpringApplication.run(ServiceAResTemplate.class, args);
}
@Bean
@LoadBalanced
public RestTemplate restTemplate() {
DefaultUriBuilderFactory uriBuilderFactory = new DefaultUriBuilderFactory("http://polaris-circuitbreaker-callee-service");
RestTemplate restTemplate = new RestTemplate();
restTemplate.setUriTemplateHandler(uriBuilderFactory);
return restTemplate;
}
}

30
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-resttemplate-example/src/main/resources/bootstrap.yml
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@ -0,0 +1,30 @@
server:
port: 48080
spring:
application:
name: polaris-circuitbreaker-resttemplate-example
cloud:
polaris:
address: grpc://183.47.111.80:8091
namespace: default
enabled: true
loadbalancer:
enabled: true
circuitbreaker:
enabled: true
# stat:
# enabled: true
# port: 28081
# tencent:
# rpc-enhancement:
# enabled: true
# reporter:
# ignore-internal-server-error: true
# series: server_error
# statuses: gateway_timeout, bad_gateway, service_unavailable
logging:
level:
root: info
com.tencent.cloud: debug

72
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-webclient-example/pom.xml
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@ -0,0 +1,72 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>polaris-circuitbreaker-example</artifactId>
<groupId>com.tencent.cloud</groupId>
<version>${revision}</version>
<relativePath>../pom.xml</relativePath>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>polaris-circuitbreaker-webclient-example</artifactId>
<name>Polaris Circuit Breaker WebClient Example</name>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-loadbalancer</artifactId>
</dependency>
<dependency>
<groupId>com.tencent.cloud</groupId>
<artifactId>spring-cloud-starter-tencent-polaris-circuitbreaker</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-bootstrap</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>3.2.0</version>
<executions>
<execution>
<id>attach-sources</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

59
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-webclient-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/webclient/example/ServiceAController.java
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@ -0,0 +1,59 @@
/*
* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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.tencent.cloud.polaris.circuitbreaker.webclient.example;
import reactor.core.publisher.Mono;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.circuitbreaker.ReactiveCircuitBreakerFactory;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.reactive.function.client.WebClient;
/**
* Circuit breaker example caller controller.
*
* @author sean yu
*/
@RestController
@RequestMapping("/example/service/a")
public class ServiceAController {
@Autowired
private ReactiveCircuitBreakerFactory reactiveCircuitBreakerFactory;
@Autowired
private WebClient.Builder webClientBuilder;
@GetMapping("/getBServiceInfo")
public Mono<String> getBServiceInfo() {
return webClientBuilder
.build()
.get()
.uri("/example/service/b/info")
.retrieve()
.bodyToMono(String.class)
.transform(it ->
reactiveCircuitBreakerFactory
.create("polaris-circuitbreaker-callee-service#/example/service/b/info")
.run(it, throwable -> Mono.just("fallback: trigger the refuse for service b"))
);
}
}

19
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-a/src/main/java/com/tencent/cloud/polaris/circuitbreaker/example/ServiceA.java → spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-webclient-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/webclient/example/ServiceAWebClient.java
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@ -16,31 +16,30 @@
* *
*/ */
package com.tencent.cloud.polaris.circuitbreaker.example; package com.tencent.cloud.polaris.circuitbreaker.webclient.example;
import org.springframework.boot.SpringApplication; import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.loadbalancer.LoadBalanced; import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.openfeign.EnableFeignClients;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate; import org.springframework.web.reactive.function.client.WebClient;
/** /**
* Circuit breaker example caller application. * Circuit breaker example caller application.
* *
* @author Haotian Zhang * @author sean yu
*/ */
@SpringBootApplication @SpringBootApplication
@EnableFeignClients public class ServiceAWebClient {
public class ServiceA {
public static void main(String[] args) { public static void main(String[] args) {
SpringApplication.run(ServiceA.class, args); SpringApplication.run(ServiceAWebClient.class, args);
} }
@Bean
@LoadBalanced @LoadBalanced
public RestTemplate restTemplate() { @Bean
return new RestTemplate(); WebClient.Builder webClientBuilder() {
return WebClient.builder()
.baseUrl("http://polaris-circuitbreaker-callee-service");
} }
} }

30
spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-webclient-example/src/main/resources/bootstrap.yml
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@ -0,0 +1,30 @@
server:
port: 48080
spring:
application:
name: polaris-circuitbreaker-webclient-example
cloud:
polaris:
address: grpc://183.47.111.80:8091
namespace: default
enabled: true
loadbalancer:
enabled: true
circuitbreaker:
enabled: true
# stat:
# enabled: true
# port: 28081
# tencent:
# rpc-enhancement:
# enabled: true
# reporter:
# ignore-internal-server-error: true
# series: server_error
# statuses: gateway_timeout, bad_gateway, service_unavailable
logging:
level:
root: info
com.tencent.cloud: debug

9
spring-cloud-tencent-examples/polaris-circuitbreaker-example/pom.xml
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@ -15,8 +15,11 @@
<packaging>pom</packaging> <packaging>pom</packaging>
<modules> <modules>
<module>polaris-circuitbreaker-example-a</module> <module>polaris-circuitbreaker-feign-example</module>
<module>polaris-circuitbreaker-example-b</module> <module>polaris-circuitbreaker-gateway-example</module>
<module>polaris-circuitbreaker-example-b2</module> <module>polaris-circuitbreaker-resttemplate-example</module>
<module>polaris-circuitbreaker-webclient-example</module>
<module>polaris-circuitbreaker-callee-service</module>
<module>polaris-circuitbreaker-callee-service2</module>
</modules> </modules>
</project> </project>

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