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| 自定义调用链打点 |
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| 本地开发和测试 |
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| 文件上传下载 |
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| <a href="../general-development/reactive.html" class="md-nav__link"> |
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| Reactive |
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| <a href="../general-development/dnsconfig.html" class="md-nav__link"> |
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| DNS自定义配置 |
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| <li class="md-nav__item"> |
| <a href="../general-development/proxy.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 代理设置 |
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| <a href="../general-development/report-framework-version.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 框架上报版本号 |
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| <a href="../general-development/cross-app-invocation.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 跨应用调用 |
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| <li class="md-nav__item"> |
| <a href="../general-development/secret-field.html" class="md-nav__link"> |
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| 定制序列化和反序列化方法 |
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| <li class="md-nav__item"> |
| <a href="../general-development/context.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 使用Context传递控制消息 |
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| </li> |
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| <li class="md-nav__item"> |
| <a href="../general-development/produceprocess.html" class="md-nav__link"> |
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| 返回值序列化扩展 |
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| <li class="md-nav__item"> |
| <a href="../general-development/CORS.html" class="md-nav__link"> |
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| 跨域资源共享(CORS) |
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| <li class="md-nav__item"> |
| <a href="../general-development/AlarmEvent.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 获取熔断与实例隔离告警事件信息 |
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| </li> |
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| <li class="md-nav__item"> |
| <a href="../general-development/shutdown.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 优雅停机 |
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| <li class="md-nav__item"> |
| <a href="../general-development/error-handling.html" class="md-nav__link"> |
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| 异常处理 |
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| <li class="md-nav__item"> |
| <a href="../general-development/multienvironment.html" class="md-nav__link"> |
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| 微服务实例间多环境隔离 |
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| <li class="md-nav__item"> |
| <a href="../general-development/thread-model.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 线程模型 |
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| <li class="md-nav__item"> |
| <a href="../general-development/config-logs.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 配置日志 |
| </span> |
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| </li> |
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| </ul> |
| </nav> |
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| <li class="md-nav__item md-nav__item--nested"> |
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| <input class="md-nav__toggle md-toggle " type="checkbox" id="__nav_11" > |
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| <label class="md-nav__link" for="__nav_11" id="__nav_11_label" tabindex="0"> |
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| <span class="md-ellipsis"> |
| 多样化的通信协议功能 |
| </span> |
| |
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| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_11_label" aria-expanded="false"> |
| <label class="md-nav__title" for="__nav_11"> |
| <span class="md-nav__icon md-icon"></span> |
| 多样化的通信协议功能 |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
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| <li class="md-nav__item"> |
| <a href="../transports/introduction.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| 多协议介绍 |
| </span> |
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| <li class="md-nav__item"> |
| <a href="../transports/rest-over-vertx.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| REST over HTTP(Vert.x) |
| </span> |
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| </li> |
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| <li class="md-nav__item"> |
| <a href="../transports/http2.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| REST over HTTP2(Vert.x) |
| </span> |
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| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../transports/rest-over-servlet-embedded.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| REST over Servlet(Spring Boot Embedded) |
| </span> |
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| </a> |
| </li> |
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| <li class="md-nav__item"> |
| <a href="../transports/rest-over-servlet.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| REST over Servlet(WAR) |
| </span> |
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| <li class="md-nav__item"> |
| <a href="../transports/highway-rpc.html" class="md-nav__link"> |
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| <span class="md-ellipsis"> |
| Highway |
| </span> |
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| </a> |
| </li> |
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| </ul> |
| </nav> |
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| <li class="md-nav__item md-nav__item--active md-nav__item--nested"> |
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| <label class="md-nav__link" for="__nav_12" id="__nav_12_label" tabindex="0"> |
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| <span class="md-ellipsis"> |
| 多样化的服务注册与发现功能 |
| </span> |
| |
| |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <nav class="md-nav" data-md-level="1" aria-labelledby="__nav_12_label" aria-expanded="true"> |
| <label class="md-nav__title" for="__nav_12"> |
| <span class="md-nav__icon md-icon"></span> |
| 多样化的服务注册与发现功能 |
| </label> |
| <ul class="md-nav__list" data-md-scrollfix> |
| |
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| <li class="md-nav__item"> |
| <a href="introduction.html" class="md-nav__link"> |
| |
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| <span class="md-ellipsis"> |
| 注册发现介绍 |
| </span> |
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| </a> |
| </li> |
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| <li class="md-nav__item md-nav__item--active"> |
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| <input class="md-nav__toggle md-toggle" type="checkbox" id="__toc"> |
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| |
| <label class="md-nav__link md-nav__link--active" for="__toc"> |
| |
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| <span class="md-ellipsis"> |
| 使用Service Center |
| </span> |
| |
| |
| <span class="md-nav__icon md-icon"></span> |
| </label> |
| |
| <a href="service-center.html" class="md-nav__link md-nav__link--active"> |
| |
| |
| <span class="md-ellipsis"> |
| 使用Service Center |
| </span> |
| |
| |
| </a> |
| |
| |
| |
| <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> |
| |
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| |
| <label class="md-nav__title" for="__toc"> |
| <span class="md-nav__icon md-icon"></span> |
| Table of contents |
| </label> |
| <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix> |
| |
| <li class="md-nav__item"> |
| <a href="#rbac" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 使用 RBAC 认证 |
| </span> |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#aksk" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 使用 AK/SK 认证 |
| </span> |
| </a> |
| |
| </li> |
| |
| </ul> |
| |
| </nav> |
| |
| </li> |
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| <li class="md-nav__item"> |
| <a href="nacos.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 使用Nacos |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
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| <li class="md-nav__item"> |
| <a href="zookeeper.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 使用ZooKeeper |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
| |
| |
| |
| |
| |
| |
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| |
| <li class="md-nav__item"> |
| <a href="local-registry.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 本地注册发现 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
| |
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| |
| |
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| <li class="md-nav__item"> |
| <a href="distributed.html" class="md-nav__link"> |
| |
| |
| <span class="md-ellipsis"> |
| 去中心化注册发现 |
| </span> |
| |
| |
| </a> |
| </li> |
| |
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| </ul> |
| </nav> |
| |
| </li> |
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| 使用 `zuul` 和 `spring cloud gateway` 做网关 |
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| nginx 网关简单介绍 |
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| 常见问题 |
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| <div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" > |
| <div class="md-sidebar__scrollwrap"> |
| <div class="md-sidebar__inner"> |
| |
| |
| <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> |
| |
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| <label class="md-nav__title" for="__toc"> |
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| Table of contents |
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| |
| <li class="md-nav__item"> |
| <a href="#rbac" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 使用 RBAC 认证 |
| </span> |
| </a> |
| |
| </li> |
| |
| <li class="md-nav__item"> |
| <a href="#aksk" class="md-nav__link"> |
| <span class="md-ellipsis"> |
| 使用 AK/SK 认证 |
| </span> |
| </a> |
| |
| </li> |
| |
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| |
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| </div> |
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| </div> |
| |
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| <div class="md-content" data-md-component="content"> |
| <article class="md-content__inner md-typeset"> |
| |
| |
| |
| |
| <h1 id="service-center">使用 Service Center</h1> |
| <p>ServcieComb Service Center 提供了完备的注册发现机制, 是 Java Chassis 缺省使用的注册发现机制。 </p> |
| <p>服务中心支持使用 <code>PULL</code> 和 <code>PUSH</code> 两种模式通知实例变化, 开发者可以配置服务中心集群地址、连接参数以及心跳管理等。</p> |
| <ul> |
| <li>表1-1 访问服务中心常用的配置项</li> |
| </ul> |
| <table> |
| <thead> |
| <tr> |
| <th style="text-align: left;">配置项</th> |
| <th style="text-align: left;">默认值</th> |
| <th style="text-align: left;">是否必选</th> |
| <th style="text-align: left;">含义</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr> |
| <td style="text-align: left;">servicecomb.registry.sc.enabled</td> |
| <td style="text-align: left;">true</td> |
| <td style="text-align: left;">是</td> |
| <td style="text-align: left;">是否启用。</td> |
| </tr> |
| <tr> |
| <td style="text-align: left;">servicecomb.registry.sc.address</td> |
| <td style="text-align: left;">http://127.0.0.1:30100</td> |
| <td style="text-align: left;">是</td> |
| <td style="text-align: left;">服务中心的地址信息,可以配置多个,用逗号分隔。</td> |
| </tr> |
| <tr> |
| <td style="text-align: left;">servicecomb.registry.sc.watch</td> |
| <td style="text-align: left;">false</td> |
| <td style="text-align: left;">否</td> |
| <td style="text-align: left;">是否采用PUSH模式监听实例变化。为false的时候表示使用PULL模式。</td> |
| </tr> |
| <tr> |
| <td style="text-align: left;">servicecomb.registry.sc.autodiscovery</td> |
| <td style="text-align: left;">false</td> |
| <td style="text-align: left;">否</td> |
| <td style="text-align: left;">是否自动发现服务中心的地址。当需要配置部分地址,其他地址由配置的服务中心实例发现的时候,开启这个配置。</td> |
| </tr> |
| <tr> |
| <td style="text-align: left;">servicecomb.registry.sc.healthCheckIntervalInSeconds</td> |
| <td style="text-align: left;">30</td> |
| <td style="text-align: left;">否</td> |
| <td style="text-align: left;">心跳间隔。</td> |
| </tr> |
| <tr> |
| <td style="text-align: left;">servicecomb.registry.sc.healthCheckTimes</td> |
| <td style="text-align: left;">3</td> |
| <td style="text-align: left;">否</td> |
| <td style="text-align: left;">允许的心跳失败次数。当连续第times+1次心跳仍然失败时则实例被sc下线。即interval * (times + 1)决定了实例被自动注销的时间。如果服务中心等待这么长的时间没有收取到心跳,会注销实例。</td> |
| </tr> |
| </tbody> |
| </table> |
| <p>使用服务中心需要确保下面的软件包引入:</p> |
| <pre><code> <dependency> |
| <groupId>org.apache.servicecomb</groupId> |
| <artifactId>registry-service-center</artifactId> |
| </dependency> |
| </code></pre> |
| <h2 id="rbac">使用 RBAC 认证</h2> |
| <p>服务中心支持<a href="https://service-center.readthedocs.io/en/latest/user-guides/rbac.html">RBAC认证</a>,服务中心开启RBAC认证之 |
| 后,客户端调用服务中心接口都需要先获取token,保证服务的安全可信。 使用 RBAC 认证, 需要使用 2.1.3 及其以上的版本。 </p> |
| <ul> |
| <li>服务配置</li> |
| </ul> |
| <p>使用 RBAC 认证,需要在配置文件中增加如下配置项, 指定连接服务中心的用户名和密码:</p> |
| <pre><code> ``` |
| servicecomb: |
| credentials: |
| rbac.enabled: true # 使用启用 RBAC, 默认为 false |
| account: |
| name: root #服务中心支持的用户名 |
| password: your-password #用户名对应的密码 |
| cipher: default #账号密码加解密用的算法实现类 |
| ``` |
| </code></pre> |
| <p>账号密码都是敏感信息,一般需要加密保存,使用的时候再解密,Java Chassis 提供了一个扩展机制,用户只需要实现接口 |
| <code>org.apache.servicecomb.foundation.auth.Cipher</code>,并注册成Spring Bean,就会自动被使用,接口里面包含两个方法:</p> |
| <pre><code> ```java |
| String name(); |
| |
| char[] decrypt(char[] encrypted); |
| ``` |
| </code></pre> |
| <p>name方法返回cipher的名称,对应 <code>servicecomb.credentials.cipher</code> 的配置,decrypt是解密接口,用户名、密码使用的时候都会调用这个方法进行解密。 |
| 下面给了一个最简单的base64编解码的实现示例,用户使用base64编码把账号密码配置到配置文件即可。</p> |
| <p><strong><em>注意</em></strong>: base64 并不是安全加密算法,请勿在生产环境使用。 </p> |
| <pre><code> ```yaml |
| servicecomb: |
| credentials: |
| account: |
| name: cm9vdA== |
| password: eW91ci1wYXNzd29yZCA= |
| cipher: base64 |
| ``` |
| |
| ```java |
| import java.util.Base64; |
| |
| import org.apache.servicecomb.foundation.auth.Cipher; |
| import org.springframework.stereotype.Component; |
| |
| /** |
| * Base64解码实现 |
| */ |
| @Component |
| public class Base64Cipher implements Cipher { |
| @Override |
| public String name() { |
| return "base64"; |
| } |
| |
| @Override |
| public char[] decrypt(char[] encrypted) { |
| return new String(Base64.getDecoder().decode(new String(encrypted))).toCharArray(); |
| } |
| } |
| ``` |
| </code></pre> |
| <h2 id="aksk">使用 AK/SK 认证</h2> |
| <p>华为云微服务引擎专业版的服务中心需要使用 AK/SK 认证, 使用 AK/SK 认证, 需要使用 2.1.3 及其以上的版本。 |
| AK/SK 认证需要配置如下信息:</p> |
| <pre><code class="language-yaml">servciecomb: |
| credentials: |
| akskEnabled: true |
| accessKey: your access key |
| secretKey: your secrete key |
| akskCustomCipher: default # 加密算法, 和 RBAC 一样 |
| project: cn-south-1 # 项目名称,根据实际情况填写 |
| </code></pre> |
| <p>secreteKey 支持加密存储, 扩展方式同 RBAC 。</p> |
| <p>使用AK/SK 需要下面的软件包引入:</p> |
| <pre><code> <dependency> |
| <groupId>org.apache.servicecomb</groupId> |
| <artifactId>servicestage</artifactId> |
| </dependency> |
| </code></pre> |
| <p>也可以直接依赖:</p> |
| <pre><code> <dependency> |
| <groupId>org.apache.servicecomb</groupId> |
| <artifactId>solution-basic</artifactId> |
| </dependency> |
| </code></pre> |
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