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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,71 +1,71 @@ | ||
| package otelroundtripper | ||
|
|
||
| //import ( | ||
| // "context" | ||
| // "encoding/json" | ||
| // "go.opentelemetry.io/otel/sdk/metric" | ||
| // "log" | ||
| // "math/rand" | ||
| // "net/http" | ||
| // "os" | ||
| // "strconv" | ||
| // "time" | ||
| // | ||
| // "go.opentelemetry.io/otel/exporters/stdout/stdoutmetric" | ||
| // "go.opentelemetry.io/otel/metric/global" | ||
| // semconv "go.opentelemetry.io/otel/semconv/v1.18.0" | ||
| //) | ||
| // | ||
| //func InstallExportPipeline(ctx context.Context) func() { | ||
| // // Print with a JSON encoder that indents with two spaces. | ||
| // enc := json.NewEncoder(os.Stdout) | ||
| // enc.SetIndent("", " ") | ||
| // exporter, err := stdoutmetric.New(stdoutmetric.WithEncoder(enc)) | ||
| // if err != nil { | ||
| // log.Fatalf("creating stdoutmetric exporter: %v", err) | ||
| // } | ||
| // | ||
| // // Register the exporter with an SDK via a periodic reader. | ||
| // sdk := metric.NewMeterProvider( | ||
| // metric.WithReader(metric.NewPeriodicReader(exporter)), | ||
| // ) | ||
| // | ||
| // global.SetMeterProvider(sdk) | ||
| // | ||
| // return func() { | ||
| // if err := sdk.Shutdown(ctx); err != nil { | ||
| // log.Fatalf("stopping sdk: %v", err) | ||
| // } | ||
| // } | ||
| //} | ||
| // | ||
| //func Example() { | ||
| // ctx := context.Background() | ||
| // | ||
| // // Registers a meter Provider globally. | ||
| // cleanup := InstallExportPipeline(ctx) | ||
| // defer cleanup() | ||
| // | ||
| // client := http.Client{ | ||
| // Transport: New( | ||
| // WithMeter(global.MeterProvider().Meter("otel-round-tripper")), | ||
| // WithAttributes( | ||
| // semconv.ServiceNameKey.String("otel-round-tripper"), | ||
| // ), | ||
| // ), | ||
| // } | ||
| // | ||
| // rand.Seed(time.Now().UnixNano()) | ||
| // for i := 0; i < 10; i++ { | ||
| // // Add a random sleep duration so that we will see the metrics in the console | ||
| // url := "https://httpstat.us/200?sleep=" + strconv.Itoa(rand.Intn(1000)+1000) //nolint:gosec | ||
| // | ||
| // log.Printf("GET: %s", url) | ||
| // response, err := client.Get(url) | ||
| // if err != nil { | ||
| // log.Panicf("cannot perform http request: %v", err) | ||
| // } | ||
| // | ||
| // _ = response.Body.Close() | ||
| // } | ||
| //} | ||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "log" | ||
| "math/rand" | ||
| "net/http" | ||
| "os" | ||
| "strconv" | ||
| "time" | ||
|
|
||
| "go.opentelemetry.io/otel/exporters/stdout/stdoutmetric" | ||
| "go.opentelemetry.io/otel/metric/global" | ||
| "go.opentelemetry.io/otel/sdk/metric" | ||
| semconv "go.opentelemetry.io/otel/semconv/v1.18.0" | ||
| ) | ||
|
|
||
| func InstallExportPipeline(ctx context.Context) func() { | ||
| // Print with a JSON encoder that indents with two spaces. | ||
| enc := json.NewEncoder(os.Stdout) | ||
| enc.SetIndent("", " ") | ||
| exporter, err := stdoutmetric.New(stdoutmetric.WithEncoder(enc)) | ||
| if err != nil { | ||
| log.Fatalf("creating stdoutmetric exporter: %v", err) | ||
| } | ||
|
|
||
| // Register the exporter with an SDK via a periodic reader. | ||
| sdk := metric.NewMeterProvider( | ||
| metric.WithReader(metric.NewPeriodicReader(exporter)), | ||
| ) | ||
|
|
||
| global.SetMeterProvider(sdk) | ||
|
|
||
| return func() { | ||
| if err := sdk.Shutdown(ctx); err != nil { | ||
| log.Fatalf("stopping sdk: %v", err) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func Example() { | ||
| ctx := context.Background() | ||
|
|
||
| // Registers a meter Provider globally. | ||
| cleanup := InstallExportPipeline(ctx) | ||
| defer cleanup() | ||
|
|
||
| client := http.Client{ | ||
| Transport: New( | ||
| WithMeter(global.MeterProvider().Meter("otel-round-tripper")), | ||
| WithAttributes( | ||
| semconv.ServiceNameKey.String("otel-round-tripper"), | ||
| ), | ||
| ), | ||
| } | ||
|
|
||
| rand.Seed(time.Now().UnixNano()) | ||
| for i := 0; i < 10; i++ { | ||
| // Add a random sleep duration so that we will see the metrics in the console | ||
| url := "https://httpstat.us/200?sleep=" + strconv.Itoa(rand.Intn(1000)+1000) //nolint:gosec | ||
|
|
||
| log.Printf("GET: %s", url) | ||
| response, err := client.Get(url) | ||
| if err != nil { | ||
| log.Panicf("cannot perform http request: %v", err) | ||
| } | ||
|
|
||
| _ = response.Body.Close() | ||
| } | ||
| } |
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