go/opentelemetry-go
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Unify trace and metric stdout exporters (#956)

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* Consolidate stdout exporter

* Move config to own file and match project standard

* Abstract Exporter into unified struct

* Rename trace part of the exporter

* Update import paths and configuration

* Update tests

* Update InstallNewPipeline to not return traceProvider

It is a registered global, access it that way.

* Update example_test

* Update docs

* Update example to be for whole package

* Update metric output

Closer match the span output.

* Clean up span output

Print as a batch and cleanup marshaling.

* Correct spelling error in doc

* Add Exporters README

* Update Changelog

* Propagate changes to rest of project

* Lint fixes

* Fix example test in metric SDK

* Add disable config options for trace and metric

Co-authored-by: Liz Fong-Jones <lizf@honeycomb.io>
This commit is contained in:
Tyler Yahn
2020-07-22 12:34:44 -07:00
committed by GitHub
parent f31d8ec1d0
commit 452256cbf4
22 changed files with 750 additions and 597 deletions
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46
example/basic/main.go
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@ -23,11 +23,7 @@ import (
"go.opentelemetry.io/otel/api/kv"
"go.opentelemetry.io/otel/api/metric"
"go.opentelemetry.io/otel/api/trace"
metricstdout "go.opentelemetry.io/otel/exporters/metric/stdout"
tracestdout "go.opentelemetry.io/otel/exporters/trace/stdout"
"go.opentelemetry.io/otel/sdk/metric/controller/push"
"go.opentelemetry.io/otel/sdk/resource"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/exporters/stdout"
)
var (
@ -37,37 +33,15 @@ var (
anotherKey = kv.Key("ex.com/another")
)
// initTracer creates and registers trace provider instance.
func initTracer() {
var err error
exp, err := tracestdout.NewExporter(tracestdout.Options{PrettyPrint: false})
if err != nil {
log.Panicf("failed to initialize trace stdout exporter %v", err)
return
}
tp, err := sdktrace.NewProvider(sdktrace.WithSyncer(exp),
sdktrace.WithConfig(sdktrace.Config{DefaultSampler: sdktrace.AlwaysSample()}),
sdktrace.WithResource(resource.New(kv.String("rk1", "rv11"), kv.Int64("rk2", 5))))
if err != nil {
log.Panicf("failed to initialize trace provider %v", err)
}
global.SetTraceProvider(tp)
}
func initMeter() *push.Controller {
pusher, err := metricstdout.InstallNewPipeline(metricstdout.Config{
Quantiles: []float64{0.5, 0.9, 0.99},
PrettyPrint: false,
})
if err != nil {
log.Panicf("failed to initialize metric stdout exporter %v", err)
}
return pusher
}
func main() {
defer initMeter().Stop()
initTracer()
pusher, err := stdout.InstallNewPipeline([]stdout.Option{
stdout.WithQuantiles([]float64{0.5, 0.9, 0.99}),
stdout.WithPrettyPrint(),
}, nil)
if err != nil {
log.Fatalf("failed to initialize stdout export pipeline: %v", err)
}
defer pusher.Stop()
tracer := global.Tracer("ex.com/basic")
meter := global.Meter("ex.com/basic")
@ -93,7 +67,7 @@ func main() {
valuerecorder := valuerecorderTwo.Bind(commonLabels...)
defer valuerecorder.Unbind()
err := tracer.WithSpan(ctx, "operation", func(ctx context.Context) error {
err = tracer.WithSpan(ctx, "operation", func(ctx context.Context) error {
trace.SpanFromContext(ctx).AddEvent(ctx, "Nice operation!", kv.Key("bogons").Int(100))