mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2025-02-01 13:07:51 +02:00
d75ccbb378
* Add a Shutdown method to api TraceProvider - sdktraceprovider shutdown span processors - In examples, replace processosr shutdown with traceprovider's shutdown Signed-off-by: Hui Kang <kangh@us.ibm.com> * remove shutdown in the api provider interface * Add context in parameter and return error * handle error in shutdown * Update CHANGELOG.md Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
117 lines
3.4 KiB
Go
117 lines
3.4 KiB
Go
// Copyright The OpenTelemetry Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"log"
|
|
|
|
"go.opentelemetry.io/otel"
|
|
"go.opentelemetry.io/otel/exporters/stdout"
|
|
"go.opentelemetry.io/otel/global"
|
|
"go.opentelemetry.io/otel/label"
|
|
"go.opentelemetry.io/otel/propagators"
|
|
"go.opentelemetry.io/otel/sdk/metric/controller/push"
|
|
"go.opentelemetry.io/otel/sdk/metric/processor/basic"
|
|
"go.opentelemetry.io/otel/sdk/metric/selector/simple"
|
|
sdktrace "go.opentelemetry.io/otel/sdk/trace"
|
|
)
|
|
|
|
var (
|
|
fooKey = label.Key("ex.com/foo")
|
|
barKey = label.Key("ex.com/bar")
|
|
lemonsKey = label.Key("ex.com/lemons")
|
|
anotherKey = label.Key("ex.com/another")
|
|
)
|
|
|
|
func main() {
|
|
exporter, err := stdout.NewExporter([]stdout.Option{
|
|
stdout.WithQuantiles([]float64{0.5, 0.9, 0.99}),
|
|
stdout.WithPrettyPrint(),
|
|
}...)
|
|
if err != nil {
|
|
log.Fatalf("failed to initialize stdout export pipeline: %v", err)
|
|
}
|
|
|
|
bsp := sdktrace.NewBatchSpanProcessor(exporter)
|
|
tp := sdktrace.NewTracerProvider(sdktrace.WithSpanProcessor(bsp))
|
|
defer func() { _ = tp.Shutdown(context.Background()) }()
|
|
pusher := push.New(
|
|
basic.New(
|
|
simple.NewWithExactDistribution(),
|
|
exporter,
|
|
),
|
|
exporter,
|
|
)
|
|
pusher.Start()
|
|
defer pusher.Stop()
|
|
global.SetTracerProvider(tp)
|
|
global.SetMeterProvider(pusher.MeterProvider())
|
|
|
|
// set global propagator to baggage (the default is no-op).
|
|
global.SetTextMapPropagator(propagators.Baggage{})
|
|
tracer := global.Tracer("ex.com/basic")
|
|
meter := global.Meter("ex.com/basic")
|
|
|
|
commonLabels := []label.KeyValue{lemonsKey.Int(10), label.String("A", "1"), label.String("B", "2"), label.String("C", "3")}
|
|
|
|
oneMetricCB := func(_ context.Context, result otel.Float64ObserverResult) {
|
|
result.Observe(1, commonLabels...)
|
|
}
|
|
_ = otel.Must(meter).NewFloat64ValueObserver("ex.com.one", oneMetricCB,
|
|
otel.WithDescription("A ValueObserver set to 1.0"),
|
|
)
|
|
|
|
valuerecorderTwo := otel.Must(meter).NewFloat64ValueRecorder("ex.com.two")
|
|
|
|
ctx := context.Background()
|
|
ctx = otel.ContextWithBaggageValues(ctx, fooKey.String("foo1"), barKey.String("bar1"))
|
|
|
|
valuerecorder := valuerecorderTwo.Bind(commonLabels...)
|
|
defer valuerecorder.Unbind()
|
|
|
|
err = func(ctx context.Context) error {
|
|
var span otel.Span
|
|
ctx, span = tracer.Start(ctx, "operation")
|
|
defer span.End()
|
|
|
|
span.AddEvent("Nice operation!", otel.WithAttributes(label.Int("bogons", 100)))
|
|
span.SetAttributes(anotherKey.String("yes"))
|
|
|
|
meter.RecordBatch(
|
|
// Note: call-site variables added as context Entries:
|
|
otel.ContextWithBaggageValues(ctx, anotherKey.String("xyz")),
|
|
commonLabels,
|
|
|
|
valuerecorderTwo.Measurement(2.0),
|
|
)
|
|
|
|
return func(ctx context.Context) error {
|
|
var span otel.Span
|
|
ctx, span = tracer.Start(ctx, "Sub operation...")
|
|
defer span.End()
|
|
|
|
span.SetAttributes(lemonsKey.String("five"))
|
|
span.AddEvent("Sub span event")
|
|
valuerecorder.Record(ctx, 1.3)
|
|
|
|
return nil
|
|
}(ctx)
|
|
}(ctx)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|