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otel_trace_sampler.go
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/
otel_trace_sampler.go
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// 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 telemetry // import "go.opentelemetry.io/collector/service/internal"
import (
sdktrace "go.opentelemetry.io/otel/sdk/trace"
)
type recordSampler struct{}
func (r recordSampler) ShouldSample(parameters sdktrace.SamplingParameters) sdktrace.SamplingResult {
return sdktrace.SamplingResult{Decision: sdktrace.RecordOnly}
}
func (r recordSampler) Description() string {
return "Always record sampler"
}
func alwaysRecord() sdktrace.Sampler {
rs := &recordSampler{}
return sdktrace.ParentBased(
rs,
sdktrace.WithRemoteParentSampled(sdktrace.AlwaysSample()),
sdktrace.WithRemoteParentNotSampled(rs),
sdktrace.WithLocalParentSampled(sdktrace.AlwaysSample()),
sdktrace.WithRemoteParentSampled(rs))
}