fix bug 1529
niuzhiweimr
5 years ago
parent
96b5db65b7
commit
17a9722522
@ -0,0 +1,44 @@
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/*
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* Copyright 2013-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.cloud.dubbo.metadata.repository;
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import java.util.List;
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import java.util.Optional;
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import java.util.concurrent.ThreadLocalRandom;
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import org.springframework.cloud.client.ServiceInstance;
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import static java.util.Optional.of;
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import static org.springframework.util.CollectionUtils.isEmpty;
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/**
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* Random {@link ServiceInstanceSelector}.
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*
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* @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
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*/
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public class RandomServiceInstanceSelector implements ServiceInstanceSelector {
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@Override
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public Optional<ServiceInstance> select(List<ServiceInstance> serviceInstances) {
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if (isEmpty(serviceInstances)) {
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return Optional.empty();
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}
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ThreadLocalRandom random = ThreadLocalRandom.current();
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return of(serviceInstances.get(random.nextInt(serviceInstances.size())));
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}
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}
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@ -0,0 +1,511 @@
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/*
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* Copyright 2013-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.cloud.dubbo.registry;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Set;
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import java.util.function.Supplier;
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import java.util.stream.Collectors;
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import com.alibaba.cloud.dubbo.metadata.repository.DubboServiceMetadataRepository;
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import com.alibaba.cloud.dubbo.registry.event.ServiceInstancesChangedEvent;
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import com.alibaba.cloud.dubbo.service.DubboGenericServiceFactory;
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import com.alibaba.cloud.dubbo.service.DubboMetadataService;
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import com.alibaba.cloud.dubbo.service.DubboMetadataServiceProxy;
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import com.alibaba.cloud.dubbo.util.DubboMetadataUtils;
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import com.alibaba.cloud.dubbo.util.JSONUtils;
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import org.apache.dubbo.common.URL;
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import org.apache.dubbo.common.URLBuilder;
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import org.apache.dubbo.registry.NotifyListener;
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import org.apache.dubbo.registry.support.FailbackRegistry;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.cloud.client.ServiceInstance;
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import org.springframework.cloud.client.discovery.DiscoveryClient;
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import org.springframework.context.ApplicationListener;
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import org.springframework.context.ConfigurableApplicationContext;
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import org.springframework.util.CollectionUtils;
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import static java.lang.String.format;
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import static java.util.Collections.emptyList;
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import static java.util.stream.StreamSupport.stream;
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import static org.apache.dubbo.common.URLBuilder.from;
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import static org.apache.dubbo.common.constants.CommonConstants.GROUP_KEY;
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import static org.apache.dubbo.common.constants.CommonConstants.PID_KEY;
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import static org.apache.dubbo.common.constants.CommonConstants.PROTOCOL_KEY;
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import static org.apache.dubbo.common.constants.CommonConstants.PROVIDER;
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import static org.apache.dubbo.common.constants.CommonConstants.PROVIDER_SIDE;
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import static org.apache.dubbo.common.constants.CommonConstants.SIDE_KEY;
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import static org.apache.dubbo.common.constants.CommonConstants.TIMESTAMP_KEY;
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import static org.apache.dubbo.common.constants.CommonConstants.VERSION_KEY;
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import static org.apache.dubbo.common.constants.RegistryConstants.CATEGORY_KEY;
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import static org.apache.dubbo.common.constants.RegistryConstants.EMPTY_PROTOCOL;
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import static org.apache.dubbo.common.utils.CollectionUtils.isEmpty;
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import static org.apache.dubbo.registry.Constants.ADMIN_PROTOCOL;
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import static org.apache.dubbo.registry.client.metadata.ServiceInstanceMetadataUtils.METADATA_SERVICE_URLS_PROPERTY_NAME;
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import static org.springframework.util.StringUtils.hasText;
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/**
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* Dubbo Cloud {@link FailbackRegistry} is based on Spring Cloud {@link DiscoveryClient}.
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*
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* @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
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*/
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public class DubboCloudRegistry extends FailbackRegistry {
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/**
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* The parameter name of {@link #servicesLookupInterval}.
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*/
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public static final String SERVICES_LOOKUP_INTERVAL_PARAM_NAME = "dubbo.services.lookup.interval";
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protected static final String DUBBO_METADATA_SERVICE_CLASS_NAME = DubboMetadataService.class
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.getName();
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/**
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* Caches the IDs of {@link ApplicationListener}.
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*/
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private static final Set<String> registerListeners = new HashSet<>();
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protected final Logger logger = LoggerFactory.getLogger(getClass());
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private final DiscoveryClient discoveryClient;
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private final DubboServiceMetadataRepository repository;
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private final DubboMetadataServiceProxy dubboMetadataConfigServiceProxy;
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private final JSONUtils jsonUtils;
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private final DubboGenericServiceFactory dubboGenericServiceFactory;
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private final DubboMetadataUtils dubboMetadataUtils;
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/**
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* The interval in second of lookup service names(only for Dubbo-OPS).
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*/
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private final long servicesLookupInterval;
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private final ConfigurableApplicationContext applicationContext;
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private final String currentApplicationName;
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public DubboCloudRegistry(URL url, DiscoveryClient discoveryClient,
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DubboServiceMetadataRepository repository,
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DubboMetadataServiceProxy dubboMetadataConfigServiceProxy,
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JSONUtils jsonUtils, DubboGenericServiceFactory dubboGenericServiceFactory,
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ConfigurableApplicationContext applicationContext) {
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super(url);
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this.servicesLookupInterval = url
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.getParameter(SERVICES_LOOKUP_INTERVAL_PARAM_NAME, 60L);
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this.discoveryClient = discoveryClient;
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this.repository = repository;
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this.dubboMetadataConfigServiceProxy = dubboMetadataConfigServiceProxy;
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this.jsonUtils = jsonUtils;
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this.dubboGenericServiceFactory = dubboGenericServiceFactory;
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this.applicationContext = applicationContext;
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this.dubboMetadataUtils = getBean(DubboMetadataUtils.class);
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this.currentApplicationName = dubboMetadataUtils.getCurrentApplicationName();
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}
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private <T> T getBean(Class<T> beanClass) {
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return this.applicationContext.getBean(beanClass);
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}
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protected boolean shouldRegister(URL url) {
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String side = url.getParameter(SIDE_KEY);
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boolean should = PROVIDER_SIDE.equals(side); // Only register the Provider.
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if (!should) {
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if (logger.isDebugEnabled()) {
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logger.debug("The URL[{}] should not be registered.", url.toString());
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}
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}
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return should;
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}
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@Override
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public final void doRegister(URL url) {
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if (!shouldRegister(url)) {
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return;
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}
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repository.exportURL(url);
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}
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@Override
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public final void doUnregister(URL url) {
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if (!shouldRegister(url)) {
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return;
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}
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repository.unexportURL(url);
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}
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@Override
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public final void doSubscribe(URL url, NotifyListener listener) {
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if (isAdminURL(url)) {
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// TODO in future
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if (logger.isWarnEnabled()) {
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logger.warn("This feature about admin will be supported in the future.");
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}
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}
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else if (isDubboMetadataServiceURL(url)) { // for DubboMetadataService
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subscribeDubboMetadataServiceURLs(url, listener);
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}
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else { // for general Dubbo Services
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subscribeURLs(url, listener);
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}
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}
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private void subscribeURLs(URL url, NotifyListener listener) {
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// Sync subscription
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subscribeURLs(url, getServices(url), listener);
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// Async subscription
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registerServiceInstancesChangedListener(url, event -> {
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Set<String> serviceNames = getServices(url);
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String serviceName = event.getServiceName();
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if (serviceNames.contains(serviceName)) {
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subscribeURLs(url, serviceNames, listener);
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}
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});
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}
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private void subscribeURLs(URL url, Set<String> serviceNames,
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NotifyListener listener) {
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List<URL> subscribedURLs = new LinkedList<>();
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serviceNames.forEach(serviceName -> {
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subscribeURLs(url, subscribedURLs, serviceName,
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() -> getServiceInstances(serviceName));
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});
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// Notify all
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notifyAllSubscribedURLs(url, subscribedURLs, listener);
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}
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private void registerServiceInstancesChangedListener(URL url,
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ApplicationListener<ServiceInstancesChangedEvent> listener) {
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String listenerId = generateId(url);
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if (registerListeners.add(listenerId)) {
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applicationContext.addApplicationListener(listener);
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}
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}
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private void subscribeURLs(URL subscribedURL, List<URL> subscribedURLs,
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String serviceName,
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Supplier<List<ServiceInstance>> serviceInstancesSupplier) {
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List<ServiceInstance> serviceInstances = serviceInstancesSupplier.get();
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subscribeURLs(subscribedURL, subscribedURLs, serviceName, serviceInstances);
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}
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private void subscribeURLs(URL subscribedURL, List<URL> subscribedURLs,
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String serviceName, List<ServiceInstance> serviceInstances) {
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if (CollectionUtils.isEmpty(serviceInstances)) {
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if (logger.isWarnEnabled()) {
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logger.warn(format("There is no instance in service[name : %s]",
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serviceName));
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}
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}
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List<URL> exportedURLs = getExportedURLs(subscribedURL, serviceName,
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serviceInstances);
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/**
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* Add the exported URLs from {@link MetadataService}
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*/
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subscribedURLs.addAll(exportedURLs);
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}
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private List<URL> getExportedURLs(URL subscribedURL, String serviceName,
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List<ServiceInstance> serviceInstances) {
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List<ServiceInstance> validServiceInstances = filter(serviceInstances);
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// If there is no valid ServiceInstance, return empty result
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if (isEmpty(validServiceInstances)) {
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if (logger.isWarnEnabled()) {
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logger.warn(
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"There is no instance from service[name : {}], and then Dubbo Service[key : {}] will not be "
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+ "available , please make sure the further impact",
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serviceName, subscribedURL.getServiceKey());
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}
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return emptyList();
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}
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List<URL> subscribedURLs = cloneExportedURLs(subscribedURL, serviceInstances);
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// clear local service instances, help GC
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validServiceInstances.clear();
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return subscribedURLs;
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}
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/**
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* Clone the subscribed URLs based on the template URLs.
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* @param subscribedURL the URL to be subscribed
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* @param serviceInstances the list of {@link ServiceInstance service instances}
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* @return non-null
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*/
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private List<URL> cloneExportedURLs(URL subscribedURL,
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List<ServiceInstance> serviceInstances) {
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List<URL> clonedExportedURLs = new LinkedList<>();
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serviceInstances.forEach(serviceInstance -> {
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String host = serviceInstance.getHost();
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getTemplateExportedURLs(subscribedURL, serviceInstances).stream()
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.map(templateURL -> templateURL.removeParameter(TIMESTAMP_KEY))
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.map(templateURL -> templateURL.removeParameter(PID_KEY))
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.map(templateURL -> {
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String protocol = templateURL.getProtocol();
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int port = repository.getDubboProtocolPort(serviceInstance,
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protocol);
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if (Objects.equals(templateURL.getHost(), host)
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&& Objects.equals(templateURL.getPort(), port)) { // use
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// templateURL
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// if
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// equals
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return templateURL;
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}
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URLBuilder clonedURLBuilder = from(templateURL) // remove the
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// parameters from
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// the template
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// URL
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.setHost(host) // reset the host
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.setPort(port); // reset the port
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return clonedURLBuilder.build();
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}).forEach(clonedExportedURLs::add);
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});
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return clonedExportedURLs;
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}
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private List<URL> getTemplateExportedURLs(URL subscribedURL,
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List<ServiceInstance> serviceInstances) {
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DubboMetadataService dubboMetadataService = getProxy(serviceInstances);
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List<URL> templateExportedURLs = emptyList();
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if (dubboMetadataService != null) {
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templateExportedURLs = getExportedURLs(dubboMetadataService, subscribedURL);
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}
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else {
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if (logger.isWarnEnabled()) {
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logger.warn(
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"The metadata of Dubbo service[key : {}] still can't be found, it could effect the further "
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+ "Dubbo service invocation",
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subscribedURL.getServiceKey());
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}
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}
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return templateExportedURLs;
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}
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private DubboMetadataService getProxy(List<ServiceInstance> serviceInstances) {
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return dubboMetadataConfigServiceProxy.getProxy(serviceInstances);
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}
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private List<ServiceInstance> filter(Collection<ServiceInstance> serviceInstances) {
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return serviceInstances.stream().filter(this::isDubboServiceInstance)
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.collect(Collectors.toList());
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}
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private boolean isDubboServiceInstance(ServiceInstance serviceInstance) {
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Map<String, String> metadata = serviceInstance.getMetadata();
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return metadata.containsKey(METADATA_SERVICE_URLS_PROPERTY_NAME);
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}
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private Set<String> getServices(URL url) {
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Set<String> subscribedServices = repository.getSubscribedServices();
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// TODO Add the filter feature
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return subscribedServices;
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}
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private void notifyAllSubscribedURLs(URL url, List<URL> subscribedURLs,
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NotifyListener listener) {
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if (isEmpty(subscribedURLs)) {
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// Add the EMPTY_PROTOCOL URL
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subscribedURLs.add(emptyURL(url));
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if (isDubboMetadataServiceURL(url)) {
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// if meta service change, and serviceInstances is zero, will clean up
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// information about this client
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String serviceName = url.getParameter(GROUP_KEY);
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repository.removeMetadataAndInitializedService(serviceName, url);
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}
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}
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if (logger.isDebugEnabled()) {
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logger.debug("The subscribed URL[{}] will notify all URLs : {}", url,
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subscribedURLs);
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}
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// Notify all
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listener.notify(subscribedURLs);
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}
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private List<ServiceInstance> getServiceInstances(Iterable<String> serviceNames) {
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return stream(serviceNames.spliterator(), false).map(this::getServiceInstances)
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.flatMap(Collection::stream).collect(Collectors.toList());
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}
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private List<ServiceInstance> getServiceInstances(String serviceName) {
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return hasText(serviceName) ? doGetServiceInstances(serviceName) : emptyList();
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}
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private List<ServiceInstance> doGetServiceInstances(String serviceName) {
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List<ServiceInstance> serviceInstances = emptyList();
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try {
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serviceInstances = discoveryClient.getInstances(serviceName);
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}
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catch (Exception e) {
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if (logger.isErrorEnabled()) {
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logger.error(e.getMessage(), e);
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}
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}
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return serviceInstances;
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}
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private String generateId(URL url) {
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return url.getServiceKey();
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}
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private URL emptyURL(URL url) {
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// issue : When the last service provider is closed, the client still periodically
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// connects to the last provider.n
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// fix https://github.com/alibaba/spring-cloud-alibaba/issues/1259
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return from(url).setProtocol(EMPTY_PROTOCOL).removeParameter(CATEGORY_KEY)
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.build();
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}
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private List<URL> getExportedURLs(DubboMetadataService dubboMetadataService,
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URL subscribedURL) {
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String serviceInterface = subscribedURL.getServiceInterface();
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String group = subscribedURL.getParameter(GROUP_KEY);
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String version = subscribedURL.getParameter(VERSION_KEY);
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// The subscribed protocol may be null
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String subscribedProtocol = subscribedURL.getParameter(PROTOCOL_KEY);
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String exportedURLsJSON = dubboMetadataService.getExportedURLs(serviceInterface,
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group, version);
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return jsonUtils.toURLs(exportedURLsJSON).stream()
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.filter(exportedURL -> subscribedProtocol == null
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|| subscribedProtocol.equalsIgnoreCase(exportedURL.getProtocol()))
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.collect(Collectors.toList());
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}
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private void subscribeDubboMetadataServiceURLs(URL subscribedURL,
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NotifyListener listener) {
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// Sync subscription
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subscribeDubboMetadataServiceURLs(subscribedURL, listener,
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getServiceName(subscribedURL));
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// Sync subscription
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if (containsProviderCategory(subscribedURL)) {
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registerServiceInstancesChangedListener(subscribedURL, event -> {
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String sourceServiceName = event.getServiceName();
|
||||
String serviceName = getServiceName(subscribedURL);
|
||||
|
||||
if (Objects.equals(sourceServiceName, serviceName)) {
|
||||
subscribeDubboMetadataServiceURLs(subscribedURL, listener,
|
||||
sourceServiceName);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
private String getServiceName(URL subscribedURL) {
|
||||
return subscribedURL.getParameter(GROUP_KEY);
|
||||
}
|
||||
|
||||
private void subscribeDubboMetadataServiceURLs(URL subscribedURL,
|
||||
NotifyListener listener, String serviceName) {
|
||||
|
||||
String serviceInterface = subscribedURL.getServiceInterface();
|
||||
String version = subscribedURL.getParameter(VERSION_KEY);
|
||||
String protocol = subscribedURL.getParameter(PROTOCOL_KEY);
|
||||
|
||||
List<ServiceInstance> serviceInstances = getServiceInstances(serviceName);
|
||||
|
||||
List<URL> urls = dubboMetadataUtils.getDubboMetadataServiceURLs(serviceInstances,
|
||||
serviceInterface, version, protocol);
|
||||
|
||||
notifyAllSubscribedURLs(subscribedURL, urls, listener);
|
||||
}
|
||||
|
||||
// private void subscribeDubboMetadataServiceURLs(URL subscribedURL,
|
||||
// NotifyListener listener, Set<String> serviceNames) {
|
||||
//
|
||||
// String serviceInterface = subscribedURL.getServiceInterface();
|
||||
// String version = subscribedURL.getParameter(VERSION_KEY);
|
||||
// String protocol = subscribedURL.getParameter(PROTOCOL_KEY);
|
||||
//
|
||||
// List<ServiceInstance> serviceInstances = getServiceInstances(serviceNames);
|
||||
//
|
||||
// List<URL> urls = dubboMetadataUtils.getDubboMetadataServiceURLs(serviceInstances,
|
||||
// serviceInterface, version, protocol);
|
||||
//
|
||||
// notifyAllSubscribedURLs(subscribedURL, urls, listener);
|
||||
// }
|
||||
|
||||
private boolean containsProviderCategory(URL subscribedURL) {
|
||||
String category = subscribedURL.getParameter(CATEGORY_KEY);
|
||||
return category == null ? false : category.contains(PROVIDER);
|
||||
}
|
||||
|
||||
@Override
|
||||
public final void doUnsubscribe(URL url, NotifyListener listener) {
|
||||
// TODO
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isAvailable() {
|
||||
return !discoveryClient.getServices().isEmpty();
|
||||
}
|
||||
|
||||
protected boolean isAdminURL(URL url) {
|
||||
return ADMIN_PROTOCOL.equals(url.getProtocol());
|
||||
}
|
||||
|
||||
protected boolean isDubboMetadataServiceURL(URL url) {
|
||||
return DUBBO_METADATA_SERVICE_CLASS_NAME.equals(url.getServiceInterface());
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,51 @@
|
||||
/*
|
||||
* Copyright 2013-2018 the original author or authors.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.alibaba.cloud.dubbo.util;
|
||||
|
||||
/**
|
||||
* The constants for Dubbo Spring Cloud.
|
||||
*
|
||||
* @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
|
||||
*/
|
||||
public final class DubboCloudConstants {
|
||||
|
||||
/**
|
||||
* The property prefix of Configuration.
|
||||
*/
|
||||
public static final String CONFIG_PROPERTY_PREFIX = "dubbo.cloud";
|
||||
|
||||
/**
|
||||
* The property name of Registry type.
|
||||
*/
|
||||
public static final String REGISTRY_TYPE_PROPERTY_NAME = CONFIG_PROPERTY_PREFIX
|
||||
+ ".registry-type";
|
||||
|
||||
/**
|
||||
* The property value of Spring Cloud Registry.
|
||||
*/
|
||||
public static final String SPRING_CLOUD_REGISTRY_PROPERTY_VALUE = "spring-cloud";
|
||||
|
||||
/**
|
||||
* The property value of Dubbo Cloud Registry.
|
||||
*/
|
||||
public static final String DUBBO_CLOUD_REGISTRY_PROPERTY_VALUE = "dubbo-cloud";
|
||||
|
||||
private DubboCloudConstants() {
|
||||
throw new AssertionError("Must not instantiate constant utility class");
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,118 @@
|
||||
/*
|
||||
* Copyright 2013-2018 the original author or authors.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* https://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package com.alibaba.cloud.dubbo.util;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Objects;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
import com.alibaba.cloud.dubbo.service.DubboMetadataService;
|
||||
import org.apache.dubbo.common.URL;
|
||||
|
||||
import org.springframework.cloud.client.ServiceInstance;
|
||||
import org.springframework.core.env.Environment;
|
||||
|
||||
import static java.lang.String.format;
|
||||
import static org.apache.dubbo.common.constants.CommonConstants.VERSION_KEY;
|
||||
import static org.apache.dubbo.registry.client.metadata.ServiceInstanceMetadataUtils.METADATA_SERVICE_URLS_PROPERTY_NAME;
|
||||
import static org.springframework.util.StringUtils.hasText;
|
||||
|
||||
/**
|
||||
* The utilities class of Dubbo Metadata.
|
||||
*
|
||||
* @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
|
||||
*/
|
||||
public class DubboMetadataUtils {
|
||||
|
||||
/**
|
||||
* The {@link String#format(String, Object...) pattern} of dubbo protocols port.
|
||||
*/
|
||||
public static final String DUBBO_PROTOCOLS_PORT_PROPERTY_NAME_PATTERN = "dubbo.protocols.%s.port";
|
||||
|
||||
private final JSONUtils jsonUtils;
|
||||
|
||||
private final Environment environment;
|
||||
|
||||
private final String currentApplicationName;
|
||||
|
||||
public DubboMetadataUtils(JSONUtils jsonUtils, Environment environment) {
|
||||
this.jsonUtils = jsonUtils;
|
||||
this.environment = environment;
|
||||
this.currentApplicationName = environment.getProperty("spring.application.name",
|
||||
environment.getProperty("dubbo.application.name", "application"));
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the current application name.
|
||||
* @return non-null
|
||||
*/
|
||||
public String getCurrentApplicationName() {
|
||||
return currentApplicationName;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the {@link URL urls} that {@link DubboMetadataService} exported by the
|
||||
* specified {@link ServiceInstance}.
|
||||
* @param serviceInstance {@link ServiceInstance}
|
||||
* @return the mutable {@link URL urls}
|
||||
*/
|
||||
public List<URL> getDubboMetadataServiceURLs(ServiceInstance serviceInstance) {
|
||||
Map<String, String> metadata = serviceInstance.getMetadata();
|
||||
String dubboURLsJSON = metadata.get(METADATA_SERVICE_URLS_PROPERTY_NAME);
|
||||
return jsonUtils.toURLs(dubboURLsJSON);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the {@link URL urls} that {@link DubboMetadataService} exported by the
|
||||
* specified {@link ServiceInstance ServiceInstances}.
|
||||
* @param serviceInstances the list of {@link ServiceInstance ServiceInstances}
|
||||
* @param serviceInterface the interface name of Dubbo service
|
||||
* @param version the version of Dubbo service
|
||||
* @param protocol the protocol that Dubbo Service exports
|
||||
* @return the mutable {@link URL urls}
|
||||
*/
|
||||
public List<URL> getDubboMetadataServiceURLs(List<ServiceInstance> serviceInstances,
|
||||
String serviceInterface, String version, String protocol) {
|
||||
return serviceInstances.stream().map(this::getDubboMetadataServiceURLs)
|
||||
.flatMap(List::stream)
|
||||
.filter(url -> protocol == null
|
||||
|| Objects.equals(protocol, url.getProtocol()))
|
||||
.filter(url -> Objects.equals(serviceInterface,
|
||||
url.getServiceInterface()))
|
||||
.filter(url -> Objects.equals(version, url.getParameter(VERSION_KEY)))
|
||||
.collect(Collectors.toList());
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the property name of Dubbo Protocol.
|
||||
* @param protocol Dubbo Protocol
|
||||
* @return non-null
|
||||
*/
|
||||
public String getDubboProtocolPropertyName(String protocol) {
|
||||
return format(DUBBO_PROTOCOLS_PORT_PROPERTY_NAME_PATTERN, protocol);
|
||||
}
|
||||
|
||||
public Integer getDubboProtocolPort(ServiceInstance serviceInstance,
|
||||
String protocol) {
|
||||
String protocolProperty = getDubboProtocolPropertyName(protocol);
|
||||
Map<String, String> metadata = serviceInstance.getMetadata();
|
||||
String protocolPort = metadata.get(protocolProperty);
|
||||
return hasText(protocolPort) ? Integer.valueOf(protocolPort) : null;
|
||||
}
|
||||
|
||||
}
|
||||
@ -1,7 +1,6 @@
|
||||
# Dubbo Endpoints Default Properties is loaded by @PropertySource with low order,
|
||||
# Set enabled for Dubbo Endpoints
|
||||
management.endpoint.dubborestmetadata.enabled = true
|
||||
|
||||
management.endpoint.dubborestmetadata.enabled=true
|
||||
# "management.endpoints.web.base-path" should not be configured in this file
|
||||
# Re-defines path-mapping of Dubbo Web Endpoints
|
||||
management.endpoints.web.path-mapping.dubborestmetadata = dubbo/rest/metadata
|
||||
management.endpoints.web.path-mapping.dubborestmetadata=dubbo/rest/metadata
|
||||
|
||||
Loading…
Reference in New Issue