andrew shan
3 years ago
committed by
GitHub
commit
b00879c640
@ -0,0 +1,80 @@
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.metadata.core;
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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import org.apache.commons.lang.StringUtils;
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import org.springframework.http.HttpHeaders;
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import org.springframework.util.CollectionUtils;
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import org.springframework.web.server.ServerWebExchange;
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/**
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* resolve custom transitive metadata from request.
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*@author lepdou 2022-05-20
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*/
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public class CustomTransitiveMetadataResolver {
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private static final String TRANSITIVE_HEADER_PREFIX = "X-SCT-Metadata-Transitive-";
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private static final int TRANSITIVE_HEADER_PREFIX_LENGTH = TRANSITIVE_HEADER_PREFIX.length();
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public static Map<String, String> resolve(ServerWebExchange exchange) {
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Map<String, String> result = new HashMap<>();
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HttpHeaders headers = exchange.getRequest().getHeaders();
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for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
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String key = entry.getKey();
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if (StringUtils.isNotBlank(key) &&
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StringUtils.startsWithIgnoreCase(key, TRANSITIVE_HEADER_PREFIX)
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&& !CollectionUtils.isEmpty(entry.getValue())) {
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String sourceKey = StringUtils.substring(key, TRANSITIVE_HEADER_PREFIX_LENGTH);
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result.put(sourceKey, entry.getValue().get(0));
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}
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}
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return result;
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}
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public static Map<String, String> resolve(HttpServletRequest request) {
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Map<String, String> result = new HashMap<>();
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Enumeration<String> headers = request.getHeaderNames();
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while (headers.hasMoreElements()) {
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String key = headers.nextElement();
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if (StringUtils.isNotBlank(key) &&
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StringUtils.startsWithIgnoreCase(key, TRANSITIVE_HEADER_PREFIX)
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&& StringUtils.isNotBlank(request.getHeader(key))) {
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String sourceKey = StringUtils.substring(key, TRANSITIVE_HEADER_PREFIX_LENGTH);
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result.put(sourceKey, request.getHeader(key));
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}
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}
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return result;
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}
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}
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/*
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* Tencent is pleased to support the open source community by making Spring Cloud Tencent available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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*/
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package com.tencent.cloud.common.metadata;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import com.tencent.cloud.common.metadata.config.MetadataLocalProperties;
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import org.apache.commons.lang.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* manage metadata from env/config file.
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*
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*@author lepdou 2022-05-20
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*/
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public class StaticMetadataManager {
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private static final Logger LOGGER = LoggerFactory.getLogger(StaticMetadataManager.class);
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private static final String ENV_METADATA_PREFIX = "SCT_METADATA_CONTENT_";
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private static final int ENV_METADATA_PREFIX_LENGTH = ENV_METADATA_PREFIX.length();
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private static final String ENV_METADATA_CONTENT_TRANSITIVE = "SCT_METADATA_CONTENT_TRANSITIVE";
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private Map<String, String> envMetadata;
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private Map<String, String> envTransitiveMetadata;
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private Map<String, String> configMetadata;
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private Map<String, String> configTransitiveMetadata;
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private Map<String, String> mergedStaticMetadata;
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private Map<String, String> mergedStaticTransitiveMetadata;
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public StaticMetadataManager(MetadataLocalProperties metadataLocalProperties) {
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parseConfigMetadata(metadataLocalProperties);
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parseEnvMetadata();
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merge();
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}
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private void parseEnvMetadata() {
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Map<String, String> allEnvs = System.getenv();
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envMetadata = new HashMap<>();
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// parse all metadata
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for (Map.Entry<String, String> entry : allEnvs.entrySet()) {
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String key = entry.getKey();
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String value = entry.getValue();
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if (StringUtils.isNotBlank(key) && key.startsWith(ENV_METADATA_PREFIX)
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&& !key.equals(ENV_METADATA_CONTENT_TRANSITIVE)) {
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String sourceKey = StringUtils.substring(key, ENV_METADATA_PREFIX_LENGTH);
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envMetadata.put(sourceKey, value);
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LOGGER.info("[SCT] resolve metadata from env. key = {}, value = {}", sourceKey, value);
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}
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}
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envMetadata = Collections.unmodifiableMap(envMetadata);
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envTransitiveMetadata = new HashMap<>();
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// parse transitive metadata
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String transitiveKeys = allEnvs.get(ENV_METADATA_CONTENT_TRANSITIVE);
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if (StringUtils.isNotBlank(transitiveKeys)) {
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String[] keyArr = StringUtils.split(transitiveKeys, ",");
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if (keyArr != null && keyArr.length > 0) {
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for (String key : keyArr) {
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String value = envMetadata.get(key);
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if (StringUtils.isNotBlank(value)) {
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envTransitiveMetadata.put(key, value);
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}
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}
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}
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}
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envTransitiveMetadata = Collections.unmodifiableMap(envTransitiveMetadata);
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}
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private void parseConfigMetadata(MetadataLocalProperties metadataLocalProperties) {
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Map<String, String> allMetadata = metadataLocalProperties.getContent();
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List<String> transitiveKeys = metadataLocalProperties.getTransitive();
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Map<String, String> result = new HashMap<>();
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for (String key : transitiveKeys) {
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if (allMetadata.containsKey(key)) {
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result.put(key, allMetadata.get(key));
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}
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}
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configTransitiveMetadata = Collections.unmodifiableMap(result);
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configMetadata = Collections.unmodifiableMap(allMetadata);
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}
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private void merge() {
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// env priority is bigger than config
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Map<String, String> mergedMetadataResult = new HashMap<>();
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mergedMetadataResult.putAll(configMetadata);
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mergedMetadataResult.putAll(envMetadata);
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this.mergedStaticMetadata = Collections.unmodifiableMap(mergedMetadataResult);
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Map<String, String> mergedTransitiveMetadataResult = new HashMap<>();
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mergedTransitiveMetadataResult.putAll(configTransitiveMetadata);
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mergedTransitiveMetadataResult.putAll(envTransitiveMetadata);
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this.mergedStaticTransitiveMetadata = Collections.unmodifiableMap(mergedTransitiveMetadataResult);
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}
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public Map<String, String> getAllEnvMetadata() {
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return envMetadata;
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}
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public Map<String, String> getEnvTransitiveMetadata() {
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return envTransitiveMetadata;
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}
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public Map<String, String> getAllConfigMetadata() {
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return configMetadata;
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}
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public Map<String, String> getConfigTransitiveMetadata() {
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return configTransitiveMetadata;
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}
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public Map<String, String> getMergedStaticMetadata() {
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return mergedStaticMetadata;
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}
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Map<String, String> getMergedStaticTransitiveMetadata() {
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return mergedStaticTransitiveMetadata;
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}
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}
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>metadata-transfer-example</artifactId>
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<groupId>com.tencent.cloud</groupId>
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<version>${revision}</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>metadata-callee-service</artifactId>
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<name>Spring Cloud Tencent Metadata Transfer Callee Service</name>
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<dependencies>
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<dependency>
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<groupId>com.tencent.cloud</groupId>
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<artifactId>spring-cloud-starter-tencent-polaris-discovery</artifactId>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<executions>
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<execution>
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<goals>
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<goal>repackage</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-source-plugin</artifactId>
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<version>3.2.0</version>
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<executions>
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<execution>
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<id>attach-sources</id>
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<goals>
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<goal>jar</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
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@ -0,0 +1,65 @@
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/*
|
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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.
|
||||||
|
*/
|
||||||
|
|
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|
package com.tencent.cloud.metadata.service.callee;
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import java.util.Map;
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import com.tencent.cloud.common.metadata.MetadataContext;
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import com.tencent.cloud.common.metadata.MetadataContextHolder;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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/**
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* Metadata callee controller.
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*
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* @author Palmer Xu
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|
*/
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@RestController
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@RequestMapping("/metadata/service/callee")
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public class MetadataCalleeController {
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||||||
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private static final Logger LOG = LoggerFactory.getLogger(MetadataCalleeController.class);
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@Value("${server.port:0}")
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private int port;
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/**
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* Get information of callee.
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* @return information of callee
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*/
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@GetMapping("/info")
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public Map<String, String> info() {
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LOG.info("Metadata Service Callee [{}] is called.", port);
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// Get Custom Metadata From Context
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MetadataContext context = MetadataContextHolder.get();
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Map<String, String> customMetadataMap = context.getFragmentContext(MetadataContext.FRAGMENT_TRANSITIVE);
|
||||||
|
|
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customMetadataMap.forEach((key, value) -> {
|
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LOG.info("Custom Metadata (Key-Value): {} : {}", key, value);
|
||||||
|
});
|
||||||
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||||||
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return customMetadataMap;
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||||||
|
}
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||||||
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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.metadata.service.callee;
|
||||||
|
|
||||||
|
import org.springframework.boot.SpringApplication;
|
||||||
|
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Metadata callee application.
|
||||||
|
*
|
||||||
|
* @author Palmer Xu
|
||||||
|
*/
|
||||||
|
@SpringBootApplication
|
||||||
|
public class MetadataCalleeService {
|
||||||
|
|
||||||
|
public static void main(String[] args) {
|
||||||
|
SpringApplication.run(MetadataCalleeService.class, args);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,13 @@
|
|||||||
|
server:
|
||||||
|
port: 48084
|
||||||
|
spring:
|
||||||
|
application:
|
||||||
|
name: MetadataCalleeService
|
||||||
|
cloud:
|
||||||
|
polaris:
|
||||||
|
address: grpc://127.0.0.1:8091
|
||||||
|
namespace: default
|
||||||
|
enabled: true
|
||||||
|
discovery:
|
||||||
|
enabled: true
|
||||||
|
register: true
|
||||||
@ -0,0 +1,51 @@
|
|||||||
|
<?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>metadata-transfer-example</artifactId>
|
||||||
|
<groupId>com.tencent.cloud</groupId>
|
||||||
|
<version>${revision}</version>
|
||||||
|
<relativePath>../pom.xml</relativePath>
|
||||||
|
</parent>
|
||||||
|
<modelVersion>4.0.0</modelVersion>
|
||||||
|
|
||||||
|
<artifactId>metadata-caller-service</artifactId>
|
||||||
|
<name>Spring Cloud Tencent Metadata Transfer Caller Service</name>
|
||||||
|
|
||||||
|
<dependencies>
|
||||||
|
<dependency>
|
||||||
|
<groupId>com.tencent.cloud</groupId>
|
||||||
|
<artifactId>spring-cloud-starter-tencent-polaris-discovery</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>
|
||||||
@ -0,0 +1,41 @@
|
|||||||
|
/*
|
||||||
|
* 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.metadata.service.caller;
|
||||||
|
|
||||||
|
import java.util.Map;
|
||||||
|
|
||||||
|
import org.springframework.cloud.openfeign.FeignClient;
|
||||||
|
import org.springframework.web.bind.annotation.GetMapping;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Metadata callee feign client.
|
||||||
|
*
|
||||||
|
* @author Palmer Xu
|
||||||
|
*/
|
||||||
|
@FeignClient(value = "MetadataCalleeService",
|
||||||
|
fallback = MetadataCalleeServiceFallback.class)
|
||||||
|
public interface MetadataCalleeService {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Get information of callee.
|
||||||
|
* @return information of callee
|
||||||
|
*/
|
||||||
|
@GetMapping("/metadata/service/callee/info")
|
||||||
|
Map<String, String> info();
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,39 @@
|
|||||||
|
/*
|
||||||
|
* 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.metadata.service.caller;
|
||||||
|
|
||||||
|
import java.util.Map;
|
||||||
|
|
||||||
|
import com.google.common.collect.Maps;
|
||||||
|
|
||||||
|
import org.springframework.stereotype.Component;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Metadata callee feign client fallback.
|
||||||
|
*
|
||||||
|
* @author Palmer Xu
|
||||||
|
*/
|
||||||
|
@Component
|
||||||
|
public class MetadataCalleeServiceFallback implements MetadataCalleeService {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Map<String, String> info() {
|
||||||
|
return Maps.newHashMap();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,109 @@
|
|||||||
|
/*
|
||||||
|
* 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.metadata.service.caller;
|
||||||
|
|
||||||
|
import java.util.Map;
|
||||||
|
|
||||||
|
import com.google.common.collect.Maps;
|
||||||
|
import com.tencent.cloud.common.metadata.MetadataContext;
|
||||||
|
import com.tencent.cloud.common.metadata.MetadataContextHolder;
|
||||||
|
import com.tencent.cloud.common.metadata.config.MetadataLocalProperties;
|
||||||
|
|
||||||
|
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;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Metadata caller controller.
|
||||||
|
*
|
||||||
|
* @author Palmer Xu
|
||||||
|
*/
|
||||||
|
@RestController
|
||||||
|
@RequestMapping("/metadata/service/caller")
|
||||||
|
public class MetadataCallerController {
|
||||||
|
|
||||||
|
private final RestTemplate restTemplate;
|
||||||
|
|
||||||
|
private final MetadataCalleeService metadataCalleeService;
|
||||||
|
|
||||||
|
private final MetadataLocalProperties metadataLocalProperties;
|
||||||
|
|
||||||
|
public MetadataCallerController(RestTemplate restTemplate,
|
||||||
|
MetadataCalleeService metadataCalleeService,
|
||||||
|
MetadataLocalProperties metadataLocalProperties) {
|
||||||
|
this.restTemplate = restTemplate;
|
||||||
|
this.metadataCalleeService = metadataCalleeService;
|
||||||
|
this.metadataLocalProperties = metadataLocalProperties;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Get metadata info from remote service.
|
||||||
|
* @return metadata map
|
||||||
|
*/
|
||||||
|
@GetMapping("/feign/info")
|
||||||
|
public Map<String, Map<String, String>> feign() {
|
||||||
|
Map<String, Map<String, String>> ret = Maps.newHashMap();
|
||||||
|
|
||||||
|
// Call remote service with feign client
|
||||||
|
Map<String, String> calleeMetadata = metadataCalleeService.info();
|
||||||
|
ret.put("callee-transitive-metadata", calleeMetadata);
|
||||||
|
|
||||||
|
// Get Custom Metadata From Context
|
||||||
|
MetadataContext context = MetadataContextHolder.get();
|
||||||
|
Map<String, String> callerTransitiveMetadata = context.getFragmentContext(MetadataContext.FRAGMENT_TRANSITIVE);
|
||||||
|
ret.put("caller-transitive-metadata", callerTransitiveMetadata);
|
||||||
|
ret.put("caller-metadata-contents", metadataLocalProperties.getContent());
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Get metadata information of callee.
|
||||||
|
* @return information of callee
|
||||||
|
*/
|
||||||
|
@SuppressWarnings("unchecked")
|
||||||
|
@GetMapping("/rest/info")
|
||||||
|
public Map<String, Map<String, String>> rest() {
|
||||||
|
Map<String, Map<String, String>> ret = Maps.newHashMap();
|
||||||
|
|
||||||
|
// Call remote service with RestTemplate
|
||||||
|
Map<String, String> calleeMetadata = restTemplate.getForObject(
|
||||||
|
"http://MetadataCalleeService/metadata/service/callee/info",
|
||||||
|
Map.class);
|
||||||
|
ret.put("callee-transitive-metadata", calleeMetadata);
|
||||||
|
|
||||||
|
// Get Custom Metadata From Context
|
||||||
|
MetadataContext context = MetadataContextHolder.get();
|
||||||
|
Map<String, String> callerTransitiveMetadata = context.getFragmentContext(MetadataContext.FRAGMENT_TRANSITIVE);
|
||||||
|
ret.put("caller-transitive-metadata", callerTransitiveMetadata);
|
||||||
|
ret.put("caller-metadata-contents", metadataLocalProperties.getContent());
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* health check.
|
||||||
|
* @return health check info
|
||||||
|
*/
|
||||||
|
@GetMapping("/healthCheck")
|
||||||
|
public String healthCheck() {
|
||||||
|
return "pk ok";
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,48 @@
|
|||||||
|
/*
|
||||||
|
* 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.metadata.service.caller;
|
||||||
|
|
||||||
|
import org.springframework.boot.SpringApplication;
|
||||||
|
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
||||||
|
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
|
||||||
|
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
|
||||||
|
import org.springframework.cloud.openfeign.EnableFeignClients;
|
||||||
|
import org.springframework.context.annotation.Bean;
|
||||||
|
import org.springframework.web.client.RestTemplate;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Metadata caller application.
|
||||||
|
*
|
||||||
|
* @author Palmer Xu
|
||||||
|
*/
|
||||||
|
@SpringBootApplication
|
||||||
|
@EnableDiscoveryClient
|
||||||
|
@EnableFeignClients
|
||||||
|
public class MetadataCallerService {
|
||||||
|
|
||||||
|
public static void main(String[] args) {
|
||||||
|
SpringApplication.run(MetadataCallerService.class, args);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Bean
|
||||||
|
@LoadBalanced
|
||||||
|
public RestTemplate restTemplate() {
|
||||||
|
return new RestTemplate();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
@ -0,0 +1,26 @@
|
|||||||
|
server:
|
||||||
|
port: 48080
|
||||||
|
spring:
|
||||||
|
application:
|
||||||
|
name: MetadataCallerService
|
||||||
|
cloud:
|
||||||
|
polaris:
|
||||||
|
address: grpc://127.0.0.1:8091
|
||||||
|
namespace: default
|
||||||
|
enabled: true
|
||||||
|
discovery:
|
||||||
|
enabled: true
|
||||||
|
register: true
|
||||||
|
heartbeat-enabled: true
|
||||||
|
health-check-url: /metadata/service/caller/healthCheck
|
||||||
|
tencent:
|
||||||
|
metadata:
|
||||||
|
# Defined your metadata keys & values
|
||||||
|
content:
|
||||||
|
# Example: intransitive
|
||||||
|
CUSTOM-METADATA-KEY-LOCAL: CUSTOM-VALUE-LOCAL
|
||||||
|
# Example: transitive
|
||||||
|
CUSTOM-METADATA-KEY-TRANSITIVE: CUSTOM-VALUE-TRANSITIVE
|
||||||
|
# Assigned which metadata key-value will be passed along the link
|
||||||
|
transitive:
|
||||||
|
- CUSTOM-METADATA-KEY-TRANSITIVE
|
||||||
@ -0,0 +1,43 @@
|
|||||||
|
<?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>spring-cloud-tencent-examples</artifactId>
|
||||||
|
<groupId>com.tencent.cloud</groupId>
|
||||||
|
<version>${revision}</version>
|
||||||
|
<relativePath>../pom.xml</relativePath>
|
||||||
|
</parent>
|
||||||
|
<modelVersion>4.0.0</modelVersion>
|
||||||
|
|
||||||
|
<artifactId>metadata-transfer-example</artifactId>
|
||||||
|
<packaging>pom</packaging>
|
||||||
|
<name>Spring Cloud Starter Tencent Metadata Transfer Example</name>
|
||||||
|
|
||||||
|
<modules>
|
||||||
|
<module>metadata-callee-service</module>
|
||||||
|
<module>metadata-caller-service</module>
|
||||||
|
</modules>
|
||||||
|
|
||||||
|
<dependencies>
|
||||||
|
<dependency>
|
||||||
|
<groupId>org.springframework.boot</groupId>
|
||||||
|
<artifactId>spring-boot-starter-web</artifactId>
|
||||||
|
</dependency>
|
||||||
|
|
||||||
|
<dependency>
|
||||||
|
<groupId>org.springframework.boot</groupId>
|
||||||
|
<artifactId>spring-boot-starter-actuator</artifactId>
|
||||||
|
</dependency>
|
||||||
|
|
||||||
|
<dependency>
|
||||||
|
<groupId>org.springframework.cloud</groupId>
|
||||||
|
<artifactId>spring-cloud-starter-openfeign</artifactId>
|
||||||
|
</dependency>
|
||||||
|
|
||||||
|
<dependency>
|
||||||
|
<groupId>com.tencent.cloud</groupId>
|
||||||
|
<artifactId>spring-cloud-starter-tencent-metadata-transfer</artifactId>
|
||||||
|
</dependency>
|
||||||
|
</dependencies>
|
||||||
|
</project>
|
||||||
Loading…
Reference in new issue