{"id":207519,"date":"2025-07-08T08:04:34","date_gmt":"2025-07-08T00:04:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207519\/"},"modified":"2025-07-08T08:04:34","modified_gmt":"2025-07-08T00:04:34","slug":"%e4%bd%bf%e7%94%a8-opentelemetry-%e7%bb%9f%e4%b8%80%e4%b8%8d%e5%90%8c%e6%9c%8d%e5%8a%a1%e7%9a%84%e8%8c%83%e5%9b%b4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207519\/","title":{"rendered":"\u4f7f\u7528 OpenTelemetry \u7edf\u4e00\u4e0d\u540c\u670d\u52a1\u7684\u8303\u56f4"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u4f7f\u7528 OpenTelemetry \u7edf\u4e00\u4e0d\u540c\u670d\u52a1\u7684\u8303\u56f4<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-23 11:36:35<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u4f7f\u7528 OpenTelemetry \u7edf\u4e00\u4e0d\u540c\u670d\u52a1\u7684\u8303\u56f4\u300b\uff0c\u8986\u76d6\u4e86Golang\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u521a\u521a\u5f00\u59cb\u4f7f\u7528 opentelemetry\uff0c\u5e76\u4e3a\u6b64\u521b\u5efa\u4e86\u4e24\u4e2a\uff08\u5fae\uff09\u670d\u52a1\uff1a<em>standard<\/em> \u548c <em>geomap<\/em>\u3002<\/p>\n<p>\u6700\u7ec8\u7528\u6237\u5411<em>standard<\/em>\u670d\u52a1\u53d1\u9001\u8bf7\u6c42\uff0c\u540e\u8005\u53c8\u5411<em>geomap<\/em>\u53d1\u9001\u8bf7\u6c42\u4ee5\u83b7\u53d6\u4fe1\u606f\uff0c\u7136\u540e\u518d\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u6700\u7ec8\u7528\u6237\u3002\u6211\u4f7f\u7528 grpc \u8fdb\u884c\u6240\u6709\u901a\u4fe1\u3002<\/p>\n<p>\u6211\u5df2\u7ecf\u5bf9\u6211\u7684\u529f\u80fd\u8fdb\u884c\u4e86\u8fd9\u6837\u7684\u68c0\u6d4b\uff1a<\/p>\n<p>\u5bf9\u4e8e<em>\u6807\u51c6<\/em>\uff1a<\/p>\n<pre>type standardservice struct {\n    pb.unimplementedstandardserviceserver\n}\n\nfunc (s *standardservice) getstandard(ctx context.context, in *pb.getstandardrequest) (*pb.getstandardresponse, error) {\n\n    conn, _:= createclient(ctx, geomapsvcaddr)\n    defer conn1.close()\n\n    newctx, span1 := otel.tracer(name).start(ctx, \"getstandard\")\n    defer span1.end()\n\n    countryinfo, err := pb.newgeomapserviceclient(conn).getcountry(newctx,\n        &amp;pb.getcountryrequest{\n            name: in.name,\n        })\n\n    \/\/...\n\n    return &amp;pb.getstandardresponse{\n        standard: standard,\n    }, nil\n\n}\n\nfunc createclient(ctx context.context, svcaddr string) (*grpc.clientconn, error) {\n    return grpc.dialcontext(ctx, svcaddr,\n        grpc.withtransportcredentials(insecure.newcredentials()),\n        grpc.withunaryinterceptor(otelgrpc.unaryclientinterceptor()),\n    )\n}<\/pre>\n<p>\u5bf9\u4e8e<em>\u5730\u7406\u5730\u56fe<\/em>\uff1a<\/p>\n<pre>type geomapservice struct {\n    pb.unimplementedgeomapserviceserver\n}\n\nfunc (s *geomapservice) getcountry(ctx context.context, in *pb.getcountryrequest) (*pb.getcountryresponse, error) {\n\n    _, span := otel.tracer(name).start(ctx, \"getcountry\")\n    defer span.end()\n\n    span.setattributes(attribute.string(\"country\", in.name))\n\n    span.addevent(\"retrieving country info\")\n\n    \/\/...\n    \n    span.addevent(\"country info retrieved\")\n\n    return &amp;pb.getcountryresponse{\n        country: &amp;country,\n    }, nil\n\n}<\/pre>\n<p>\u8fd9\u4e24\u4e2a\u670d\u52a1\u90fd\u914d\u7f6e\u4e3a\u5c06\u5176\u8de8\u5ea6\u53d1\u9001\u5230 jaeger \u540e\u7aef\u5e76\u5171\u4eab\u51e0\u4e4e\u76f8\u540c\u7684\u4e3b\u8981\u529f\u80fd\uff08\u8bc4\u8bba\u4e2d\u6307\u51fa\u4e86\u7ec6\u5fae\u7684\u5dee\u5f02\uff09\uff1a<\/p>\n<pre>const (\n    name        = \"mapedia\"\n    service     = \"geomap\" \/\/or standard\n    environment = \"production\"\n    id          = 1\n)\n\nfunc tracerProvider(url string) (*tracesdk.TracerProvider, error) {\n    \/\/ Create the Jaeger exporter\n    exp, err := jaeger.New(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(url)))\n    if err != nil {\n        return nil, err\n    }\n    tp := tracesdk.NewTracerProvider(\n        \/\/ Always be sure to batch in production.\n        tracesdk.WithBatcher(exp),\n        \/\/ Record information about this application in a Resource.\n        tracesdk.WithResource(resource.NewWithAttributes(\n            semconv.SchemaURL,\n            semconv.ServiceName(service),\n            attribute.String(\"environment\", environment),\n            attribute.Int64(\"ID\", id),\n        )),\n    )\n    return tp, nil\n}\n\nfunc main() {\n\n    tp, err := tracerProvider(\"http:\/\/localhost:14268\/api\/traces\")\n    if err != nil {\n        log.Fatal(err)\n    }\n\n    defer func() {\n        if err := tp.Shutdown(context.Background()); err != nil {\n            log.Fatal(err)\n        }\n    }()\n    otel.SetTracerProvider(tp)\n\n    listener, err := net.Listen(\"tcp\", \":\"+port)\n    if err != nil {\n        panic(err)\n    }\n\n    s := grpc.NewServer(\n        grpc.UnaryInterceptor(otelgrpc.UnaryServerInterceptor()),\n    )\n    reflection.Register(s)\n    pb.RegisterGeoMapServiceServer(s, &amp;geomapService{}) \/\/ or pb.RegisterStandardServiceServer(s, &amp;standardService{})\n    if err := s.Serve(listener); err != nil {\n        log.Fatalf(\"Failed to serve: %v\", err)\n    }\n}<\/pre>\n<p>\u5f53\u6211\u67e5\u770b\u6700\u7ec8\u7528\u6237\u5bf9<em>\u6807\u51c6<\/em>\u670d\u52a1\u7684\u8bf7\u6c42\u751f\u6210\u7684\u8ddf\u8e2a\u65f6\uff0c\u6211\u53ef\u4ee5\u770b\u5230\u5b83\u6b63\u5982\u9884\u671f\u7684\u90a3\u6837\uff0c\u8c03\u7528\u5176<em>geomap<\/em>\u670d\u52a1\uff1a<\/p>\n<p>\u4f46\u662f\uff0c\u6211\u6ca1\u6709\u770b\u5230\u5df2\u6dfb\u52a0\u5230\u5b50\u8303\u56f4\u7684\u4efb\u4f55\u5c5e\u6027\u6216\u4e8b\u4ef6\uff08\u6211\u5728\u68c0\u6d4b <em>geomapgetcountry<\/em> \u51fd\u6570\u65f6\u6dfb\u52a0\u4e86\u4e00\u4e2a\u5c5e\u6027\u548c 2 \u4e2a\u4e8b\u4ef6\/em&gt;\uff09\u3002<\/p>\n<p>\u7136\u800c\uff0c\u6211\u6ce8\u610f\u5230\u8fd9\u4e9b\u5c5e\u6027\u5728\u53e6\u4e00\u4e2a\u5355\u72ec\u7684\u8ddf\u8e2a\u4e2d\u53ef\u7528\uff08\u5728 jaeger \u4e2d\u7684\u201cgeomap\u201d\u670d\u52a1\u4e0b\u53ef\u7528\uff09\uff0c\u5176\u8de8\u5ea6 id \u4e0e\u6807\u51c6\u670d\u52a1\u4e2d\u7684\u5b50\u8de8\u5ea6\u5b8c\u5168\u65e0\u5173\uff1a<\/p>\n<p>\u73b0\u5728\u6211\u671f\u671b\u7684\u662f\u6709\u4e00\u4e2a\u8ddf\u8e2a\uff0c\u5e76\u67e5\u770b\u4e0e <em>\u6807\u51c6<\/em> \u8303\u56f4\u5185\u7684\u5b50\u8303\u56f4\u4e2d\u7684 <em>geomap<\/em> \u76f8\u5173\u7684\u6240\u6709\u5c5e\u6027\/\u4e8b\u4ef6\u3002\u5982\u4f55\u4ece\u8fd9\u91cc\u5f97\u5230\u9884\u671f\u7684\u7ed3\u679c\uff1f<\/p>\n<p> <\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<p> <\/p>\n<p>\u8de8\u5ea6\u4e0a\u4e0b\u6587\uff08\u5305\u542b\u8ddf\u8e2a id \u548c\u8de8\u5ea6 id\uff0c\u5982\u201c&#8221;)\u5e94\u8be5\u4ece\u7236\u8de8\u5ea6\u4f20\u64ad\u5230\u5b50\u8de8\u5ea6\uff0c\u4ee5\u4fbf\u5b83\u4eec\u6210\u4e3a\u540c\u4e00\u8ddf\u8e2a\u7684\u4e00\u90e8\u5206\u3002<\/p>\n<p>\u4f7f\u7528 opentelemetry\uff0c\u8fd9\u901a\u5e38\u662f\u901a\u8fc7\u4f7f\u7528\u4e3a\u5404\u79cd\u5e93\uff08\u5305\u62ec grpc\uff09\u63d0\u4f9b\u7684\u63d2\u4ef6\u6765\u68c0\u6d4b\u4ee3\u7801\u6765\u81ea\u52a8\u5b8c\u6210\u7684\u3002<br \/> \u4f46\u662f\uff0c\u5728\u60a8\u7684\u60c5\u51b5\u4e0b\uff0c\u4f20\u64ad\u4f3c\u4e4e\u65e0\u6cd5\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>\u5728\u60a8\u7684\u4ee3\u7801\u4e2d\uff0c\u60a8\u5c06\u5728 <code>getstandard<\/code> \u51fd\u6570\u4e2d\u542f\u52a8\u4e00\u4e2a\u65b0\u8303\u56f4\uff0c\u7136\u540e\u5728\u53d1\u51fa <code>getcountry<\/code> \u8bf7\u6c42\u65f6\u4f7f\u7528\u8be5\u4e0a\u4e0b\u6587 (<code>newctx<\/code>)\u3002\u8fd9\u662f\u6b63\u786e\u7684\uff0c\u56e0\u4e3a\u65b0\u4e0a\u4e0b\u6587\u5e94\u8be5\u5305\u542b\u7236\u8de8\u5ea6\u7684\u8de8\u5ea6\u4e0a\u4e0b\u6587 (<code>getstandard<\/code>)\u3002<br \/> \u4f46\u95ee\u9898\u53ef\u80fd\u4e0e\u60a8\u7684 <code>createclient<\/code> \u51fd\u6570\u6709\u5173\uff1a<\/p>\n<pre>func createclient(ctx context.context, svcaddr string) (*grpc.clientconn, error) {\n    return grpc.dialcontext(ctx, svcaddr,\n        grpc.withtransportcredentials(insecure.newcredentials()),\n        grpc.withunaryinterceptor(otelgrpc.unaryclientinterceptor()),\n    )\n}\n<\/pre>\n<p>\u60a8\u6b63\u786e\u4f7f\u7528\u4e86 \u5728\u8fd9\u91cc\uff0c\u8fd9\u5e94\u8be5\u786e\u4fdd\u4e0a\u4e0b\u6587\u6b63\u786e\u4f20\u64ad\uff0c\u4f46\u4e0d\u6e05\u695a\u4f55\u65f6\u8c03\u7528\u6b64\u51fd\u6570\u3002\u5982\u679c\u5728\u8c03\u7528 <code>getstandard<\/code> \u51fd\u6570\u4e4b\u524d\u8c03\u7528\u5b83\uff0c\u5219\u7528\u4e8e\u521b\u5efa\u5ba2\u6237\u7aef\u7684\u4e0a\u4e0b\u6587\u5c06<em>\u4e0d<\/em>\u5305\u542b\u6765\u81ea <code>getstandard<\/code> \u7684\u8de8\u5ea6\u4e0a\u4e0b\u6587\u3002<\/p>\n<p>\u4e3a\u4e86\u8fdb\u884c\u6d4b\u8bd5\uff0c\u8bf7\u5c1d\u8bd5\u786e\u4fdd\u5728\u8c03\u7528 <code>getstandard<\/code> \u51fd\u6570\u4e4b\u540e\u521b\u5efa\u5ba2\u6237\u7aef\uff0c\u5e76\u4e14\u5728\u6574\u4e2a\u8bf7\u6c42\u4e2d\u4f7f\u7528\u76f8\u540c\u7684\u4e0a\u4e0b\u6587\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u5c06 <code>newctx<\/code> \u76f4\u63a5\u4f20\u9012\u7ed9 <code>getcountry<\/code> \u51fd\u6570\u6765\u5b8c\u6210\u6b64\u64cd\u4f5c\uff0c\u5982 <code>getstandard<\/code> \u51fd\u6570\u7684\u4fee\u6539\u7248\u672c\u6240\u793a\uff1a<\/p>\n<pre>func (s *standardservice) getstandard(ctx context.context, in *pb.getstandardrequest) (*pb.getstandardresponse, error) {\n    newctx, span1 := otel.tracer(name).start(ctx, \"getstandard\")\n    defer span1.end()\n\n    conn, _:= createclient(newctx, geomapsvcaddr)\n    defer conn.close()\n\n    countryinfo, err := pb.newgeomapserviceclient(conn).getcountry(newctx,\n        &amp;pb.getcountryrequest{\n            name: in.name,\n        })\n\n    \/\/...\n\n    return &amp;pb.getstandardresponse{\n        standard: standard,\n    }, nil\n}\n<\/pre>\n<p>\u73b0\u5728\uff0c\u7528\u4e8e\u521b\u5efa\u5ba2\u6237\u7aef\u5e76\u53d1\u51fa <code>getcountry<\/code> \u8bf7\u6c42\u7684\u4e0a\u4e0b\u6587\u5c06\u5305\u62ec\u6765\u81ea <code>getstandard<\/code> \u7684\u8de8\u5ea6\u4e0a\u4e0b\u6587\uff0c\u5e76\u4e14\u5b83\u4eec\u5e94\u4f5c\u4e3a jaeger \u4e2d\u540c\u4e00\u8ddf\u8e2a\u7684\u4e00\u90e8\u5206\u51fa\u73b0\u3002<\/p>\n<p>\uff08\u4e00\u5982\u65e2\u5f80\uff0c\u8bf7\u68c0\u67e5 <code>createclient<\/code> \u548c <code>getcountry<\/code> \u7b49\u51fd\u6570\u8fd4\u56de\u7684\u9519\u8bef\uff0c\u4e3a\u7b80\u6d01\u8d77\u89c1\uff0c\u6b64\u5904\u672a\u663e\u793a\uff09\u3002<\/p>\n<p>\u6b64\u5916\uff1a<\/p>\n<ul>\n<li>\n<p>\u53e6\u8bf7\u68c0\u67e5\u60a8\u7684\u4f20\u64ad\u5668\uff1a\u786e\u4fdd\u60a8\u4f7f\u7528\u76f8\u540c\u7684\uff0c\u8fd9\u662f opentelemetry \u4e2d\u9ed8\u8ba4\u7684\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u6309\u5982\u4e0b\u65b9\u5f0f\u663e\u5f0f\u8bbe\u7f6e\u4f20\u64ad\u5668\uff1a<\/p>\n<pre>otel.settextmappropagator(propagation.tracecontext{})\n<\/pre>\n<p>\u5c06\u4ee5\u4e0a\u884c\u6dfb\u52a0\u5230\u4e24\u4e2a\u670d\u52a1\u4e2d <code>main<\/code> \u51fd\u6570\u7684\u5f00\u5934\u3002<\/p>\n<\/li>\n<li>\n<p>\u786e\u4fdd\u4f20\u9012\u5143\u6570\u636e\uff1agrpc \u62e6\u622a\u5668\u5e94\u81ea\u52a8\u4ece\u8bf7\u6c42\u7684\u5143\u6570\u636e\u4e2d\u6ce8\u5165\/\u63d0\u53d6\u8ddf\u8e2a\u4e0a\u4e0b\u6587\uff0c\u4f46\u8981\u4ed4\u7ec6\u68c0\u67e5\u4ee5\u786e\u4fdd\u5176\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>\u5728 <code>getcountry<\/code> \u51fd\u6570\u4e2d\u542f\u52a8\u8de8\u5ea6\u540e\uff0c\u60a8\u53ef\u4ee5\u8bb0\u5f55\u8ddf\u8e2a id \u548c\u8de8\u5ea6 id\uff1a<\/p>\n<pre>ctx, span := otel.tracer(name).start(ctx, \"getcountry\")\nsc := trace.spancontextfromcontext(ctx)\nlog.printf(\"trace id: %s, span id: %s\", sc.traceid(), sc.spanid())\ndefer span.end()\n<\/pre>\n<p>\u5e76\u5728 <code>getstandard<\/code> \u51fd\u6570\u4e2d\u6267\u884c\u76f8\u540c\u7684\u64cd\u4f5c\uff1a<\/p>\n<pre>newCtx, span1 := otel.Tracer(name).Start(ctx, \"GetStandard\")\nsc := trace.SpanContextFromContext(newCtx)\nlog.Printf(\"Trace ID: %s, Span ID: %s\", sc.TraceID(), sc.SpanID())\ndefer span1.End()\n<\/pre>\n<p>\u5982\u679c\u4e0a\u4e0b\u6587\u6b63\u786e\u4f20\u64ad\uff0c\u4e24\u4e2a\u670d\u52a1\u4e2d\u7684\u8ddf\u8e2a id \u5e94\u8be5\u5339\u914d\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u4f7f\u7528 OpenTelemetry \u7edf\u4e00\u4e0d\u540c\u670d\u52a1\u7684\u8303\u56f4\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGolang\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207519","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207519"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207519\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}