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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,8 @@ | ||
| github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||
| github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4= | ||
| github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw= | ||
| github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo= | ||
| github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= | ||
| github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU= | ||
| github.com/stretchr/testify v1.8.2/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4= | ||
| gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,2 @@ | ||
| github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I= | ||
| github.com/grpc-ecosystem/grpc-gateway v1.16.0 h1:gmcG1KaJ57LophUzW0Hy8NmPhnMZb4M0+kPpLofRdBo= |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package telemetry | ||
|
|
||
| import ( | ||
| "context" | ||
| "go.opentelemetry.io/otel" | ||
| "go.opentelemetry.io/otel/exporters/otlp/otlptrace" | ||
| "go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp" | ||
| "go.opentelemetry.io/otel/propagation" | ||
| "go.opentelemetry.io/otel/sdk/resource" | ||
| sdktrace "go.opentelemetry.io/otel/sdk/trace" | ||
| semconv "go.opentelemetry.io/otel/semconv/v1.12.0" | ||
| "go.opentelemetry.io/otel/trace" | ||
| ) | ||
|
|
||
| type Telemetry interface { | ||
| Start(ctx context.Context, name string, opts ...trace.SpanStartOption) (context.Context, Span) | ||
| Shutdown(ctx context.Context) | ||
| } | ||
|
|
||
| type Span interface { | ||
| trace.Span | ||
| } | ||
|
|
||
| type OTel struct { | ||
| provider *sdktrace.TracerProvider | ||
| tracer trace.Tracer | ||
| } | ||
|
|
||
| func New(ctx context.Context, serviceName string) (*OTel, error) { | ||
| var tp *sdktrace.TracerProvider | ||
| var err error | ||
| tp, err = createTraceProvider(ctx, serviceName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| otel.SetTracerProvider(tp) | ||
| otel.SetTextMapPropagator(propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}, propagation.Baggage{})) | ||
| tracer := tp.Tracer(serviceName) | ||
|
|
||
| return &OTel{ | ||
| provider: tp, | ||
| tracer: tracer, | ||
| }, nil | ||
| } | ||
|
|
||
| func (ot *OTel) Start(ctx context.Context, name string, opts ...trace.SpanStartOption) (context.Context, Span) { | ||
| if len(opts) == 0 { | ||
| return ot.tracer.Start(ctx, name) | ||
| } | ||
| return ot.tracer.Start(ctx, name, opts[0]) | ||
| } | ||
|
|
||
| func (ot *OTel) Shutdown(ctx context.Context) { | ||
| ot.provider.Shutdown(ctx) | ||
| } | ||
|
|
||
| func createResource(ctx context.Context, serviceName string) (*resource.Resource, error) { | ||
| return resource.New(ctx, | ||
| resource.WithAttributes( | ||
| semconv.ServiceNameKey.String(serviceName), | ||
| ), | ||
| ) | ||
| } | ||
|
|
||
| func createTraceProvider(ctx context.Context, serviceName string) (*sdktrace.TracerProvider, error) { | ||
| res, err := createResource(ctx, serviceName) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| client := otlptracehttp.NewClient() | ||
| exp, err := otlptrace.New(ctx, client) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| tp := sdktrace.NewTracerProvider( | ||
| sdktrace.WithBatcher(exp), | ||
| sdktrace.WithResource(res), | ||
| sdktrace.WithResource(resource.NewWithAttributes( | ||
| semconv.SchemaURL, | ||
| semconv.ServiceNameKey.String(serviceName), | ||
| semconv.DeploymentEnvironmentKey.String("prod"), | ||
| )), | ||
| ) | ||
| return tp, nil | ||
| } |