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Posted to commits@servicecomb.apache.org by GitBox <gi...@apache.org> on 2020/05/27 12:22:07 UTC

[GitHub] [servicecomb-java-chassis] zhufeizzz opened a new issue #1785: 现在ServiceComb是否能支持动态路由注册，以支持服务的重构？

zhufeizzz opened a new issue #1785:
URL: https://github.com/apache/servicecomb-java-chassis/issues/1785


   比如原来有两个服务，分别提供两个接口：
   cse://service-a/rest/do-something-a/
   cse://service-b/rest/do-something-b/
   
   因为架构整改需要合并service-a和service-b，有办法通过注册路由的方式无缝兼容吗？


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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #1785: 现在ServiceComb是否能支持动态路由注册，以支持服务的重构？

Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #1785:
URL: https://github.com/apache/servicecomb-java-chassis/issues/1785#issuecomment-635710995


   如果可以改客户端代码（重新编译，但是对使用者透明，也算修改客户端代码）， 我觉得最好的办法就是让客户端排查下，把服务名字改下。 
   
   这种场景核心要解决的是独立升级的问题，即要求服务端升级不影响客户端功能。这个目前看就只有先老的两个服务不下线， 新服务上线， 然后通知使用者变更，给使用者修改周期，当使用者都修改完成后，将老服务下线即可。 
   
   
   


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[GitHub] [servicecomb-java-chassis] zhufeizzz commented on issue #1785: 现在ServiceComb是否能支持动态路由注册，以支持服务的重构？

Posted by GitBox <gi...@apache.org>.
zhufeizzz commented on issue #1785:
URL: https://github.com/apache/servicecomb-java-chassis/issues/1785#issuecomment-635402799


   @liubao68 
   如果我可以定制Client端代码，我需要用哪种扩展来实现自定义路由呢？我看例子里只是用SpringBoot变量来动态设置，这种对Client会有侵入。


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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #1785: 现在ServiceComb是否能支持动态路由注册，以支持服务的重构？

Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #1785:
URL: https://github.com/apache/servicecomb-java-chassis/issues/1785#issuecomment-635351140


   这种情况客户端必须修改服务名称，或者需要在客户端做一些其他额外的处理，将老名称映射到新名称，这两种处理策略按照上面的要求都是不兼容的。 
   
   唯一的办法就是服务发现能够继续发现 service-a, service-b， 并把地址指向合并的服务xxx。 这个方案是复杂的，而且容易出错。
   
   java-chassis/demo/demo-multiple有个很好的例子尽可能减少合并后客户端的修改， 但仍然做不到兼容。 
   
   


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[GitHub] [servicecomb-java-chassis] liubao68 commented on issue #1785: 现在ServiceComb是否能支持动态路由注册，以支持服务的重构？

Posted by GitBox <gi...@apache.org>.
liubao68 commented on issue #1785:
URL: https://github.com/apache/servicecomb-java-chassis/issues/1785#issuecomment-636253088


   没有标准化的方式进行这样的扩展，但是应该可以做到的， 方案会显得非常难看和难于维护， 所以就不能给你推荐方案了。 正如我前一个回复的说明，`如果可以改客户端代码（零代码修改，对使用者透明，但是需要重新编译，也算修改客户端代码）， 我觉得最好的办法就是让客户端排查下，把服务名字改下。`


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[GitHub] [servicecomb-java-chassis] zhufeizzz closed issue #1785: 现在ServiceComb是否能支持动态路由注册，以支持服务的重构？

Posted by GitBox <gi...@apache.org>.
zhufeizzz closed issue #1785:
URL: https://github.com/apache/servicecomb-java-chassis/issues/1785


   


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[GitHub] [servicecomb-java-chassis] zhufeizzz commented on issue #1785: 现在ServiceComb是否能支持动态路由注册，以支持服务的重构？

Posted by GitBox <gi...@apache.org>.
zhufeizzz commented on issue #1785:
URL: https://github.com/apache/servicecomb-java-chassis/issues/1785#issuecomment-635734695


   @liubao68 
   我的意思是说能否通过ServiceComb扩展的方式实现，而不是直接修改ServiceComb源码。


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