remove useless code for rest template router (#601)
lepdou
2 years ago
committed by
GitHub
parent
e51e4d72e1
commit
0dd3cadc10
@ -1,65 +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.router.beanprocessor;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import com.tencent.cloud.common.metadata.StaticMetadataManager;
|
||||
import com.tencent.cloud.common.util.BeanFactoryUtils;
|
||||
import com.tencent.cloud.polaris.router.RouterRuleLabelResolver;
|
||||
import com.tencent.cloud.polaris.router.resttemplate.PolarisLoadBalancerInterceptor;
|
||||
import com.tencent.cloud.polaris.router.spi.SpringWebRouterLabelResolver;
|
||||
|
||||
import org.springframework.beans.BeansException;
|
||||
import org.springframework.beans.factory.BeanFactory;
|
||||
import org.springframework.beans.factory.BeanFactoryAware;
|
||||
import org.springframework.beans.factory.config.BeanPostProcessor;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerInterceptor;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerRequestFactory;
|
||||
|
||||
/**
|
||||
* Replace LoadBalancerInterceptor with PolarisLoadBalancerInterceptor.
|
||||
* PolarisLoadBalancerInterceptor can pass routing context information.
|
||||
*
|
||||
*@author lepdou 2022-05-18
|
||||
*/
|
||||
public class LoadBalancerInterceptorBeanPostProcessor implements BeanPostProcessor, BeanFactoryAware {
|
||||
|
||||
private BeanFactory factory;
|
||||
|
||||
@Override
|
||||
public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
|
||||
this.factory = beanFactory;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
|
||||
if (bean instanceof LoadBalancerInterceptor) {
|
||||
LoadBalancerRequestFactory requestFactory = this.factory.getBean(LoadBalancerRequestFactory.class);
|
||||
LoadBalancerClient loadBalancerClient = this.factory.getBean(LoadBalancerClient.class);
|
||||
List<SpringWebRouterLabelResolver> routerLabelResolvers = BeanFactoryUtils.getBeans(factory, SpringWebRouterLabelResolver.class);
|
||||
StaticMetadataManager staticMetadataManager = this.factory.getBean(StaticMetadataManager.class);
|
||||
RouterRuleLabelResolver routerRuleLabelResolver = this.factory.getBean(RouterRuleLabelResolver.class);
|
||||
|
||||
return new PolarisLoadBalancerInterceptor(loadBalancerClient, requestFactory,
|
||||
routerLabelResolvers, staticMetadataManager, routerRuleLabelResolver);
|
||||
}
|
||||
return bean;
|
||||
}
|
||||
}
|
||||
@ -1,154 +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.router.resttemplate;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.io.UnsupportedEncodingException;
|
||||
import java.net.URI;
|
||||
import java.net.URLEncoder;
|
||||
import java.util.Collections;
|
||||
import java.util.Comparator;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
|
||||
import com.tencent.cloud.common.constant.RouterConstants;
|
||||
import com.tencent.cloud.common.metadata.MetadataContext;
|
||||
import com.tencent.cloud.common.metadata.MetadataContextHolder;
|
||||
import com.tencent.cloud.common.metadata.StaticMetadataManager;
|
||||
import com.tencent.cloud.common.util.JacksonUtils;
|
||||
import com.tencent.cloud.common.util.expresstion.SpringWebExpressionLabelUtils;
|
||||
import com.tencent.cloud.polaris.router.RouterRuleLabelResolver;
|
||||
import com.tencent.cloud.polaris.router.spi.SpringWebRouterLabelResolver;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerInterceptor;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerRequestFactory;
|
||||
import org.springframework.core.Ordered;
|
||||
import org.springframework.http.HttpRequest;
|
||||
import org.springframework.http.client.ClientHttpRequestExecution;
|
||||
import org.springframework.http.client.ClientHttpResponse;
|
||||
import org.springframework.util.Assert;
|
||||
import org.springframework.util.CollectionUtils;
|
||||
|
||||
import static com.tencent.cloud.common.constant.ContextConstant.UTF_8;
|
||||
|
||||
/**
|
||||
* PolarisLoadBalancerInterceptor extends LoadBalancerInterceptor capabilities.
|
||||
* Parses the label from the request and puts it into the RouterContext for routing.
|
||||
*
|
||||
* @author lepdou, cheese8
|
||||
*/
|
||||
public class PolarisLoadBalancerInterceptor extends LoadBalancerInterceptor {
|
||||
private static final Logger LOGGER = LoggerFactory.getLogger(PolarisLoadBalancerInterceptor.class);
|
||||
|
||||
private final LoadBalancerClient loadBalancer;
|
||||
private final LoadBalancerRequestFactory requestFactory;
|
||||
private final List<SpringWebRouterLabelResolver> routerLabelResolvers;
|
||||
private final StaticMetadataManager staticMetadataManager;
|
||||
private final RouterRuleLabelResolver routerRuleLabelResolver;
|
||||
|
||||
public PolarisLoadBalancerInterceptor(LoadBalancerClient loadBalancer,
|
||||
LoadBalancerRequestFactory requestFactory,
|
||||
List<SpringWebRouterLabelResolver> routerLabelResolvers,
|
||||
StaticMetadataManager staticMetadataManager,
|
||||
RouterRuleLabelResolver routerRuleLabelResolver) {
|
||||
super(loadBalancer, requestFactory);
|
||||
this.loadBalancer = loadBalancer;
|
||||
this.requestFactory = requestFactory;
|
||||
this.staticMetadataManager = staticMetadataManager;
|
||||
this.routerRuleLabelResolver = routerRuleLabelResolver;
|
||||
|
||||
if (!CollectionUtils.isEmpty(routerLabelResolvers)) {
|
||||
routerLabelResolvers.sort(Comparator.comparingInt(Ordered::getOrder));
|
||||
this.routerLabelResolvers = routerLabelResolvers;
|
||||
}
|
||||
else {
|
||||
this.routerLabelResolvers = null;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {
|
||||
final URI originalUri = request.getURI();
|
||||
String peerServiceName = originalUri.getHost();
|
||||
Assert.state(peerServiceName != null,
|
||||
"Request URI does not contain a valid hostname: " + originalUri);
|
||||
|
||||
setLabelsToHeaders(request, body, peerServiceName);
|
||||
|
||||
return this.loadBalancer.execute(peerServiceName,
|
||||
new PolarisLoadBalancerRequest<>(request, this.requestFactory.createRequest(request, body, execution)));
|
||||
}
|
||||
|
||||
void setLabelsToHeaders(HttpRequest request, byte[] body, String peerServiceName) {
|
||||
// local service labels
|
||||
Map<String, String> labels = new HashMap<>(staticMetadataManager.getMergedStaticMetadata());
|
||||
|
||||
// labels from rule expression
|
||||
Set<String> expressionLabelKeys = routerRuleLabelResolver.getExpressionLabelKeys(MetadataContext.LOCAL_NAMESPACE,
|
||||
MetadataContext.LOCAL_SERVICE, peerServiceName);
|
||||
|
||||
Map<String, String> ruleExpressionLabels = getExpressionLabels(request, expressionLabelKeys);
|
||||
if (!CollectionUtils.isEmpty(ruleExpressionLabels)) {
|
||||
labels.putAll(ruleExpressionLabels);
|
||||
}
|
||||
|
||||
// labels from request
|
||||
if (!CollectionUtils.isEmpty(routerLabelResolvers)) {
|
||||
routerLabelResolvers.forEach(resolver -> {
|
||||
try {
|
||||
Map<String, String> customResolvedLabels = resolver.resolve(request, body, expressionLabelKeys);
|
||||
if (!CollectionUtils.isEmpty(customResolvedLabels)) {
|
||||
labels.putAll(customResolvedLabels);
|
||||
}
|
||||
}
|
||||
catch (Throwable t) {
|
||||
LOGGER.error("[SCT][Router] revoke RouterLabelResolver occur some exception. ", t);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// labels from downstream
|
||||
Map<String, String> transitiveLabels = MetadataContextHolder.get()
|
||||
.getFragmentContext(MetadataContext.FRAGMENT_TRANSITIVE);
|
||||
labels.putAll(transitiveLabels);
|
||||
|
||||
// pass label by header
|
||||
String encodedLabelsContent;
|
||||
try {
|
||||
encodedLabelsContent = URLEncoder.encode(JacksonUtils.serialize2Json(labels), UTF_8);
|
||||
}
|
||||
catch (UnsupportedEncodingException e) {
|
||||
throw new RuntimeException("unsupported charset exception " + UTF_8);
|
||||
}
|
||||
request.getHeaders().set(RouterConstants.ROUTER_LABEL_HEADER, encodedLabelsContent);
|
||||
}
|
||||
|
||||
private Map<String, String> getExpressionLabels(HttpRequest request, Set<String> labelKeys) {
|
||||
if (CollectionUtils.isEmpty(labelKeys)) {
|
||||
return Collections.emptyMap();
|
||||
}
|
||||
|
||||
return SpringWebExpressionLabelUtils.resolve(request, labelKeys);
|
||||
}
|
||||
}
|
||||
@ -1,94 +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.router.beanprocessor;
|
||||
|
||||
import com.tencent.cloud.common.metadata.StaticMetadataManager;
|
||||
import com.tencent.cloud.common.util.BeanFactoryUtils;
|
||||
import com.tencent.cloud.polaris.router.RouterRuleLabelResolver;
|
||||
import com.tencent.cloud.polaris.router.resttemplate.PolarisLoadBalancerInterceptor;
|
||||
import com.tencent.cloud.polaris.router.spi.SpringWebRouterLabelResolver;
|
||||
import org.junit.Assert;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.mockito.Mock;
|
||||
import org.mockito.MockedStatic;
|
||||
import org.mockito.Mockito;
|
||||
import org.mockito.junit.MockitoJUnitRunner;
|
||||
|
||||
import org.springframework.beans.factory.BeanFactory;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerInterceptor;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerRequestFactory;
|
||||
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
/**
|
||||
* Test for ${@link LoadBalancerInterceptorBeanPostProcessor}.
|
||||
*
|
||||
* @author lepdou 2022-05-26
|
||||
*/
|
||||
@RunWith(MockitoJUnitRunner.class)
|
||||
public class LoadBalancerInterceptorBeanPostProcessorTest {
|
||||
|
||||
@Mock
|
||||
private LoadBalancerClient loadBalancerClient;
|
||||
@Mock
|
||||
private LoadBalancerRequestFactory loadBalancerRequestFactory;
|
||||
@Mock
|
||||
private StaticMetadataManager staticMetadataManager;
|
||||
@Mock
|
||||
private RouterRuleLabelResolver routerRuleLabelResolver;
|
||||
@Mock
|
||||
private BeanFactory beanFactory;
|
||||
|
||||
@Test
|
||||
public void testWrapperLoadBalancerInterceptor() {
|
||||
when(beanFactory.getBean(LoadBalancerRequestFactory.class)).thenReturn(loadBalancerRequestFactory);
|
||||
when(beanFactory.getBean(LoadBalancerClient.class)).thenReturn(loadBalancerClient);
|
||||
when(beanFactory.getBean(StaticMetadataManager.class)).thenReturn(staticMetadataManager);
|
||||
when(beanFactory.getBean(RouterRuleLabelResolver.class)).thenReturn(routerRuleLabelResolver);
|
||||
|
||||
try (MockedStatic<BeanFactoryUtils> mockedBeanFactoryUtils = Mockito.mockStatic(BeanFactoryUtils.class)) {
|
||||
mockedBeanFactoryUtils.when(() -> BeanFactoryUtils.getBeans(beanFactory, SpringWebRouterLabelResolver.class))
|
||||
.thenReturn(null);
|
||||
LoadBalancerInterceptor loadBalancerInterceptor = new LoadBalancerInterceptor(loadBalancerClient, loadBalancerRequestFactory);
|
||||
|
||||
LoadBalancerInterceptorBeanPostProcessor processor = new LoadBalancerInterceptorBeanPostProcessor();
|
||||
processor.setBeanFactory(beanFactory);
|
||||
|
||||
Object bean = processor.postProcessBeforeInitialization(loadBalancerInterceptor, "");
|
||||
|
||||
Assert.assertTrue(bean instanceof PolarisLoadBalancerInterceptor);
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNotWrapperLoadBalancerInterceptor() {
|
||||
LoadBalancerInterceptorBeanPostProcessor processor = new LoadBalancerInterceptorBeanPostProcessor();
|
||||
processor.setBeanFactory(beanFactory);
|
||||
|
||||
OtherBean otherBean = new OtherBean();
|
||||
Object bean = processor.postProcessBeforeInitialization(otherBean, "");
|
||||
Assert.assertFalse(bean instanceof PolarisLoadBalancerInterceptor);
|
||||
Assert.assertTrue(bean instanceof OtherBean);
|
||||
}
|
||||
|
||||
static class OtherBean {
|
||||
|
||||
}
|
||||
}
|
||||
@ -1,231 +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.router.resttemplate;
|
||||
|
||||
|
||||
import java.net.URI;
|
||||
import java.net.URLDecoder;
|
||||
import java.util.Collections;
|
||||
import java.util.HashMap;
|
||||
import java.util.HashSet;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
|
||||
import com.tencent.cloud.common.constant.RouterConstants;
|
||||
import com.tencent.cloud.common.metadata.MetadataContext;
|
||||
import com.tencent.cloud.common.metadata.MetadataContextHolder;
|
||||
import com.tencent.cloud.common.metadata.StaticMetadataManager;
|
||||
import com.tencent.cloud.common.util.ApplicationContextAwareUtils;
|
||||
import com.tencent.cloud.common.util.JacksonUtils;
|
||||
import com.tencent.cloud.polaris.router.RouterRuleLabelResolver;
|
||||
import com.tencent.cloud.polaris.router.spi.SpringWebRouterLabelResolver;
|
||||
import org.junit.AfterClass;
|
||||
import org.junit.Assert;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
import org.junit.runner.RunWith;
|
||||
import org.mockito.Mock;
|
||||
import org.mockito.MockedStatic;
|
||||
import org.mockito.Mockito;
|
||||
import org.mockito.junit.MockitoJUnitRunner;
|
||||
|
||||
import org.springframework.cloud.client.ServiceInstance;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerRequest;
|
||||
import org.springframework.cloud.client.loadbalancer.LoadBalancerRequestFactory;
|
||||
import org.springframework.http.HttpHeaders;
|
||||
import org.springframework.http.HttpMethod;
|
||||
import org.springframework.http.HttpRequest;
|
||||
import org.springframework.http.client.ClientHttpResponse;
|
||||
|
||||
import static org.mockito.ArgumentMatchers.anyString;
|
||||
import static org.mockito.Mockito.verify;
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
/**
|
||||
* test for {@link PolarisLoadBalancerInterceptor}
|
||||
* @author lepdou 2022-05-26
|
||||
*/
|
||||
@RunWith(MockitoJUnitRunner.class)
|
||||
public class PolarisLoadBalancerInterceptorTest {
|
||||
|
||||
private static MockedStatic<ApplicationContextAwareUtils> mockedApplicationContextAwareUtils;
|
||||
private static MockedStatic<MetadataContextHolder> mockedMetadataContextHolder;
|
||||
@Mock
|
||||
private LoadBalancerClient loadBalancerClient;
|
||||
@Mock
|
||||
private LoadBalancerRequestFactory loadBalancerRequestFactory;
|
||||
@Mock
|
||||
private SpringWebRouterLabelResolver routerLabelResolver;
|
||||
@Mock
|
||||
private StaticMetadataManager staticMetadataManager;
|
||||
@Mock
|
||||
private RouterRuleLabelResolver routerRuleLabelResolver;
|
||||
|
||||
@BeforeClass
|
||||
public static void beforeClass() {
|
||||
mockedApplicationContextAwareUtils = Mockito.mockStatic(ApplicationContextAwareUtils.class);
|
||||
mockedApplicationContextAwareUtils.when(() -> ApplicationContextAwareUtils.getProperties(anyString()))
|
||||
.thenReturn("callerService");
|
||||
|
||||
mockedMetadataContextHolder = Mockito.mockStatic(MetadataContextHolder.class);
|
||||
}
|
||||
|
||||
@AfterClass
|
||||
public static void afterClass() {
|
||||
mockedApplicationContextAwareUtils.close();
|
||||
mockedMetadataContextHolder.close();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testProxyRibbonLoadBalance() throws Exception {
|
||||
String callerService = "callerService";
|
||||
String calleeService = "calleeService";
|
||||
HttpRequest request = new MockedHttpRequest("http://" + calleeService + "/user/get");
|
||||
|
||||
// mock local metadata
|
||||
Map<String, String> localMetadata = new HashMap<>();
|
||||
localMetadata.put("k1", "v1");
|
||||
localMetadata.put("k2", "v2");
|
||||
when(staticMetadataManager.getMergedStaticMetadata()).thenReturn(localMetadata);
|
||||
|
||||
// mock expression rule labels
|
||||
|
||||
Set<String> expressionKeys = new HashSet<>();
|
||||
expressionKeys.add("${http.method}");
|
||||
expressionKeys.add("${http.uri}");
|
||||
when(routerRuleLabelResolver.getExpressionLabelKeys(callerService, callerService, calleeService)).thenReturn(expressionKeys);
|
||||
|
||||
// mock custom resolved from request
|
||||
Map<String, String> customResolvedLabels = new HashMap<>();
|
||||
customResolvedLabels.put("k3", "v3");
|
||||
customResolvedLabels.put("k4", "v4");
|
||||
when(routerLabelResolver.resolve(request, null, expressionKeys)).thenReturn(customResolvedLabels);
|
||||
|
||||
MetadataContext metadataContext = Mockito.mock(MetadataContext.class);
|
||||
|
||||
// mock transitive metadata
|
||||
Map<String, String> transitiveLabels = new HashMap<>();
|
||||
transitiveLabels.put("k1", "v1");
|
||||
transitiveLabels.put("k2", "v22");
|
||||
when(metadataContext.getFragmentContext(MetadataContext.FRAGMENT_TRANSITIVE)).thenReturn(transitiveLabels);
|
||||
|
||||
mockedMetadataContextHolder.when(MetadataContextHolder::get).thenReturn(metadataContext);
|
||||
|
||||
LoadBalancerRequest<ClientHttpResponse> loadBalancerRequest = new MockedLoadBalancerRequest<>();
|
||||
when(loadBalancerRequestFactory.createRequest(request, null, null)).thenReturn(loadBalancerRequest);
|
||||
|
||||
PolarisLoadBalancerInterceptor polarisLoadBalancerInterceptor = new PolarisLoadBalancerInterceptor(loadBalancerClient,
|
||||
loadBalancerRequestFactory, Collections.singletonList(routerLabelResolver), staticMetadataManager, routerRuleLabelResolver);
|
||||
|
||||
polarisLoadBalancerInterceptor.intercept(request, null, null);
|
||||
|
||||
verify(staticMetadataManager).getMergedStaticMetadata();
|
||||
verify(routerRuleLabelResolver).getExpressionLabelKeys(callerService, callerService, calleeService);
|
||||
verify(routerLabelResolver).resolve(request, null, expressionKeys);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRouterContext() throws Exception {
|
||||
String callerService = "callerService";
|
||||
String calleeService = "calleeService";
|
||||
HttpRequest request = new MockedHttpRequest("http://" + calleeService + "/user/get");
|
||||
|
||||
// mock local metadata
|
||||
Map<String, String> localMetadata = new HashMap<>();
|
||||
localMetadata.put("k1", "v1");
|
||||
localMetadata.put("k2", "v2");
|
||||
when(staticMetadataManager.getMergedStaticMetadata()).thenReturn(localMetadata);
|
||||
|
||||
// mock expression rule labels
|
||||
|
||||
Set<String> expressionKeys = new HashSet<>();
|
||||
expressionKeys.add("${http.method}");
|
||||
expressionKeys.add("${http.uri}");
|
||||
when(routerRuleLabelResolver.getExpressionLabelKeys(callerService, callerService, calleeService)).thenReturn(expressionKeys);
|
||||
|
||||
// mock custom resolved from request
|
||||
Map<String, String> customResolvedLabels = new HashMap<>();
|
||||
customResolvedLabels.put("k2", "v22");
|
||||
customResolvedLabels.put("k4", "v4");
|
||||
when(routerLabelResolver.resolve(request, null, expressionKeys)).thenReturn(customResolvedLabels);
|
||||
|
||||
MetadataContext metadataContext = Mockito.mock(MetadataContext.class);
|
||||
|
||||
// mock transitive metadata
|
||||
Map<String, String> transitiveLabels = new HashMap<>();
|
||||
transitiveLabels.put("k1", "v1");
|
||||
transitiveLabels.put("k2", "v22");
|
||||
when(metadataContext.getFragmentContext(MetadataContext.FRAGMENT_TRANSITIVE)).thenReturn(transitiveLabels);
|
||||
|
||||
mockedMetadataContextHolder.when(MetadataContextHolder::get).thenReturn(metadataContext);
|
||||
|
||||
PolarisLoadBalancerInterceptor polarisLoadBalancerInterceptor = new PolarisLoadBalancerInterceptor(loadBalancerClient,
|
||||
loadBalancerRequestFactory, Collections.singletonList(routerLabelResolver), staticMetadataManager, routerRuleLabelResolver);
|
||||
|
||||
polarisLoadBalancerInterceptor.setLabelsToHeaders(request, null, calleeService);
|
||||
|
||||
verify(staticMetadataManager).getMergedStaticMetadata();
|
||||
verify(routerRuleLabelResolver).getExpressionLabelKeys(callerService, callerService, calleeService);
|
||||
verify(routerLabelResolver).resolve(request, null, expressionKeys);
|
||||
|
||||
|
||||
Map<String, String> headers = JacksonUtils.deserialize2Map(URLDecoder.decode(request.getHeaders()
|
||||
.get(RouterConstants.ROUTER_LABEL_HEADER).get(0), "UTF-8"));
|
||||
Assert.assertEquals("v1", headers.get("k1"));
|
||||
Assert.assertEquals("v22", headers.get("k2"));
|
||||
Assert.assertEquals("v4", headers.get("k4"));
|
||||
Assert.assertEquals("GET", headers.get("${http.method}"));
|
||||
Assert.assertEquals("/user/get", headers.get("${http.uri}"));
|
||||
}
|
||||
|
||||
static class MockedLoadBalancerRequest<T> implements LoadBalancerRequest<T> {
|
||||
|
||||
@Override
|
||||
public T apply(ServiceInstance instance) throws Exception {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
static class MockedHttpRequest implements HttpRequest {
|
||||
|
||||
private URI uri;
|
||||
|
||||
private HttpHeaders httpHeaders = new HttpHeaders();
|
||||
|
||||
MockedHttpRequest(String url) {
|
||||
this.uri = URI.create(url);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getMethodValue() {
|
||||
return HttpMethod.GET.name();
|
||||
}
|
||||
|
||||
@Override
|
||||
public URI getURI() {
|
||||
return uri;
|
||||
}
|
||||
|
||||
@Override
|
||||
public HttpHeaders getHeaders() {
|
||||
return httpHeaders;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue