{"id":43646,"date":"2023-09-16T21:32:01","date_gmt":"2023-07-30T21:37:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/grpc%e7%9a%84%e6%ad%a3%e5%b8%b8%e5%85%b3%e9%97%ad\/"},"modified":"2025-07-30T03:16:15","modified_gmt":"2025-07-29T19:16:15","slug":"grpc%e7%9a%84%e6%ad%a3%e5%b8%b8%e5%85%b3%e9%97%ad","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/grpc%e7%9a%84%e6%ad%a3%e5%b8%b8%e5%85%b3%e9%97%ad\/","title":{"rendered":"gRPC\u7684\u6b63\u5e38\u5173\u95ed"},"content":{"rendered":"

\u9996\u5148<\/h2>\n

\u8fd9\u7bc7\u6587\u7ae0\u662fGo 3 Advent Calendar 2020\u7684\u7b2c21\u5929\u3002<\/p>\n

\u4f7f\u7528Prometheus\u6765\u83b7\u53d6gRPC\u7684\u6307\u6807\u65f6\uff0c\u4e0b\u9762\u662f\u4e00\u4e2aGraceful Shutdown\u7684\u793a\u4f8b\u3002
\n\u6211\u4eec\u60f3\u8981\u5b9e\u73b0\u7684\u76ee\u6807\u662f\uff0c\u5728\u51fa\u73b0\u9519\u8bef\u6216\u7279\u5b9a\u4fe1\u53f7\u65f6\uff0c\u5728\u4efb\u4f55\u4e00\u4e2a\u670d\u52a1\u5668\u4e0a\u5b89\u5168\u5730\u505c\u6b62\u6240\u6709\u670d\u52a1\u5668\u3002<\/p>\n

\u8bf7\u6ce8\u610f<\/h2>\n

\u6211\u4eec\u7684\u76ee\u6807\u662f\u5728\u4f7f\u7528Go\u6784\u5efa\u7684gRPC\u670d\u52a1\u5668\u4e2d\u83b7\u53d6\u6307\u6807\u3002<\/p>\n

\u6982\u62ec\u8d77\u6765\u3002<\/h2>\n

\u8fd9\u6b21\u6211\u4eec\u5c06\u4f7f\u7528run\u6765\u521b\u5efaGraceful Shutdown\u3002
\n\u8fd8\u6709\u4e00\u4e2a\u5f88\u65b9\u4fbf\u7684\u5305\u53eb\u505aerrgroup\u3002<\/p>\n

\u5927\u81f4\u7684\u80cc\u666f<\/h2>\n

\u5728\u5c1d\u8bd5\u83b7\u53d6gRPC\u7684\u6307\u6807\u65f6\uff0c\u6211\u8ba4\u4e3a\u53ef\u4ee5\u6309\u7167go-grpc-prometheus\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u4e24\u4e2a\u670d\u52a1\u5668\uff0c\u4e00\u4e2a\u7528\u4e8egRPC\u7684HTTP2\u670d\u52a1\u5668\uff0c\u53e6\u4e00\u4e2a\u7528\u4e8ePrometheus\u7684HTTP\u670d\u52a1\u5668\u3002\u4ee5\u4e0a\u6458\u5f55\u81ea\u6b64\u5904\u3002<\/p>\n

    \/\/ \u30e1\u30c8\u30ea\u30af\u30b9\u7528\u306e\u30b5\u30fc\u30d0\u3092\u5225\u306egoroutine\u3067\u8d77\u52d5<\/span>\r\n    go<\/span> func<\/span>()<\/span> {<\/span>\r\n        if<\/span> err<\/span> :=<\/span> httpServer<\/span>.<\/span>ListenAndServe<\/span>();<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n            log<\/span>.<\/span>Fatal<\/span>(<\/span>\"Unable to start a http server.\"<\/span>)<\/span>\r\n        }<\/span>\r\n    }()<\/span>\r\n    \/\/ gRPC\u7528\u306e\u30b5\u30fc\u30d0\u3092\u8d77\u52d5<\/span>\r\n    log<\/span>.<\/span>Fatal<\/span>(<\/span>grpcServer<\/span>.<\/span>Serve<\/span>(<\/span>lis<\/span>))<\/span>\r\n<\/code><\/pre>\n
\u53ea\u662f\u5728\u4e0a\u8ff0\u7684\u4f8b\u5b50\u4e2d\uff0c\u6709\u4e00\u4e2a\u7c7b\u4f3c\u7684\u5907\u6ce8\uff1a\u201c\u7531\u4e8e\u6ca1\u6709\u5b9e\u65bdGraceful Shutdown\uff0c\u8bf7\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u4e0d\u8981\u4f7f\u7528\u3002\u201d
\n\u867d\u7136\u6709\u8bb8\u591a\u5173\u4e8e\u5728\u5355\u4e2a\u670d\u52a1\u5668\u4e0a\u5b9e\u73b0Graceful Shutdown\u7684\u793a\u4f8b\u53ef\u4ee5\u53c2\u8003\uff0c\u4f46\u662f\u6211\u5bf9\u5982\u4f55\u5728\u4e24\u4e2a\u670d\u52a1\u5668\u4e0a\u5b9e\u73b0Graceful Shutdown\u7684\u65b9\u6cd5\u4e0d\u592a\u4e86\u89e3\uff0c\u4e3a\u4e86\u4e0d\u5fd8\u8bb0\u5728\u516c\u53f8\u5185\u542c\u5230\u7684\u4fe1\u606f\uff0c\u6211\u6253\u7b97\u5199\u4e00\u7bc7\u6587\u7ae0\u3002<\/p>\n
\u512a\u96c5\u95dc\u6a5f\u7684\u56de\u9867<\/h2>\n
\u5982\u679c\u6536\u5230\u7279\u5b9a\u7684\u4fe1\u53f7\uff0c\u670d\u52a1\u5668\u5c06\u8c03\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6b63\u5e38\u5173\u95ed\uff1a
\n– \u5bf9\u4e8enet\/http\uff1a
\nServer.Shutdown
\n– \u5bf9\u4e8egrpc\uff1a
\nServer.GracefulStop<\/p>\n
\u4f7f\u7528run\u6765\u5b9e\u73b0\u4f18\u96c5\u7684\u5173\u673a\u3002<\/h2>\n
\u4e0eerrgroup\u7c7b\u4f3c\uff0c\u4f46\u901a\u8fc7Group.Add()\u5c06\u6267\u884c\u51fd\u6570\u548c\u4e2d\u65ad\u51fd\u6570\u6dfb\u52a0\u5230Group\u4e2d\uff0c\u901a\u8fc7Group.Run()\u7531\u534f\u7a0b\u6267\u884c\u6267\u884c\u51fd\u6570\uff0c
\n\u5f53\u6267\u884c\u51fd\u6570\u5b8c\u6210\u65f6\u8c03\u7528\u6240\u6709\u4e2d\u65ad\u51fd\u6570\u3002
\n\u6211\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u7531\u4e8e\u53ef\u4ee5\u5355\u72ec\u7ba1\u7406\u6267\u884c\u548c\u4e2d\u65ad\uff0c\u8fd9\u975e\u5e38\u65b9\u4fbf\u3002
\n\u8bf7\u8be6\u9605README\u4ee5\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002
\n\u5728\u672c\u4f8b\u4e2d\uff0c\u6211\u8ba4\u4e3a\u4f1a\u6709\u4ee5\u4e0b\u7ed3\u679c\u3002<\/p>\n
    var<\/span> g<\/span> run<\/span>.<\/span>Group<\/span>\r\n    {<\/span>\r\n        c<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> os<\/span>.<\/span>Signal<\/span>,<\/span> 1<\/span>)<\/span>\r\n        signal<\/span>.<\/span>Notify<\/span>(<\/span>c<\/span>,<\/span> syscall<\/span>.<\/span>SIGTERM<\/span>,<\/span> os<\/span>.<\/span>Interrupt<\/span>)<\/span>\r\n        cancel<\/span> :=<\/span> make<\/span>(<\/span>chan<\/span> struct<\/span>{})<\/span>\r\n        g<\/span>.<\/span>Add<\/span>(<\/span>\r\n            func<\/span>()<\/span> error<\/span> {<\/span>\r\n                select<\/span> {<\/span>\r\n                case<\/span> <-<\/span>c<\/span>:<\/span>\r\n                    log<\/span>.<\/span>Println<\/span>(<\/span>\"Received signal, exiting gracefully...\"<\/span>)<\/span>\r\n                case<\/span> <-<\/span>cancel<\/span>:<\/span>\r\n                }<\/span>\r\n                return<\/span> nil<\/span>\r\n            },<\/span>\r\n            func<\/span>(<\/span>err<\/span> error<\/span>)<\/span> {<\/span>\r\n                close<\/span>(<\/span>cancel<\/span>)<\/span>\r\n            },<\/span>\r\n        )<\/span>\r\n    }<\/span>\r\n    {<\/span>\r\n        g<\/span>.<\/span>Add<\/span>(<\/span>\r\n            func<\/span>()<\/span> error<\/span> {<\/span>\r\n                if<\/span> err<\/span> :=<\/span> httpServer<\/span>.<\/span>ListenAndServe<\/span>();<\/span> err<\/span> !=<\/span> http<\/span>.<\/span>ErrServerClosed<\/span> {<\/span>\r\n                    log<\/span>.<\/span>Printf<\/span>(<\/span>\"Failed to serve http server: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n                    return<\/span> err<\/span>\r\n                }<\/span>\r\n                return<\/span> nil<\/span>\r\n            },<\/span>\r\n            func<\/span>(<\/span>err<\/span> error<\/span>)<\/span> {<\/span>\r\n                ctx<\/span>,<\/span> cancel<\/span> :=<\/span> context<\/span>.<\/span>WithTimeout<\/span>(<\/span>context<\/span>.<\/span>Background<\/span>(),<\/span> 10<\/span>*<\/span>time<\/span>.<\/span>Second<\/span>)<\/span>\r\n                defer<\/span> cancel<\/span>()<\/span>\r\n                if<\/span> err<\/span> :=<\/span> httpServer<\/span>.<\/span>Shutdown<\/span>(<\/span>ctx<\/span>);<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n                    log<\/span>.<\/span>Printf<\/span>(<\/span>\"Failed to shutdown http server: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n                }<\/span>\r\n            },<\/span>\r\n        )<\/span>\r\n    }<\/span>\r\n    {<\/span>\r\n        g<\/span>.<\/span>Add<\/span>(<\/span>\r\n            func<\/span>()<\/span> error<\/span> {<\/span>\r\n                listener<\/span>,<\/span> err<\/span> :=<\/span> net<\/span>.<\/span>Listen<\/span>(<\/span>\"tcp\"<\/span>,<\/span> \":9093\"<\/span>)<\/span>\r\n                if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n                    log<\/span>.<\/span>Printf<\/span>(<\/span>\"Failed to listen grpc server: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n                    return<\/span> err<\/span>\r\n                }<\/span>\r\n                if<\/span> err<\/span> :=<\/span> server<\/span>.<\/span>Serve<\/span>(<\/span>listener<\/span>);<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n                    log<\/span>.<\/span>Printf<\/span>(<\/span>\"Failed to serve grpc server: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n                    return<\/span> err<\/span>\r\n                }<\/span>\r\n                return<\/span> nil<\/span>\r\n            },<\/span>\r\n            func<\/span>(<\/span>err<\/span> error<\/span>)<\/span> {<\/span>\r\n                server<\/span>.<\/span>GracefulStop<\/span>()<\/span>\r\n            },<\/span>\r\n        )<\/span>\r\n    }<\/span>\r\n    if<\/span> err<\/span> :=<\/span> g<\/span>.<\/span>Run<\/span>();<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatalf<\/span>(<\/span>\"error: %v\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u4e09\u4e2a\u6a21\u5757\uff1a\u63a5\u6536 Signal\u3001\u542f\u52a8 HTTP \u670d\u52a1\u5668\u548c\u542f\u52a8 gRPC \u670d\u52a1\u5668\u3002\u53ef\u4ee5\u53c2\u8003 Prometheus \u4e2d\u7684 run \u51fd\u6570\u7684\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n
\u4f7f\u7528errgroup\u5b9e\u73b0\u4f18\u96c5\u5173\u95ed<\/h2>\n
\u6682\u5b9a\u5f85\u5546\u8bae…<\/p>\n
\u603b\u7ed3<\/h2>\n
\u5e0c\u671b\u901a\u8fc7\u4f7f\u7528errgroup\u548crun\u6765\u8f7b\u677e\u5b9e\u73b0\u591a\u4e2a\u670d\u52a1\u5668\u7684\u4f18\u96c5\u5173\u95ed\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 \u8fd9\u7bc7\u6587\u7ae0\u662fGo 3 Advent Calendar 2020\u7684\u7b2c21\u5929\u3002 \u4f7f\u7528Prometheus\u6765\u83b7\u53d6 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[37,119,120,112,115,45,110,44,43,116,46,121,117,114,113,118,111],"class_list":["post-43646","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-api","tag-clean-shutdown","tag-connection-management","tag-context-management","tag-errgroup","tag-go","tag-go-programming","tag-graceful-shutdown","tag-grpc","tag-http-server","tag-microservices","tag-production-deployment","tag-prometheus-metrics","tag-run-package","tag-server-termination","tag-service-reliability","tag-signal-handling"],"yoast_head":"\ngRPC Graceful Shutdown: Complete Guide to Proper Service Termination - Tutorial<\/title>\n<meta name=\"description\" content=\"Learn how to implement graceful shutdown in gRPC services using Go. 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