/
factory.go
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/
factory.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 tailsamplingprocessor
import (
"context"
"time"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config/configmodels"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/processor/processorhelper"
)
const (
// The value of "type" Tail Sampling in configuration.
typeStr = "tail_sampling"
)
// NewFactory returns a new factory for the Tail Sampling processor.
func NewFactory() component.ProcessorFactory {
return processorhelper.NewFactory(
typeStr,
createDefaultConfig,
processorhelper.WithTraces(createTraceProcessor))
}
func createDefaultConfig() configmodels.Processor {
return &Config{
ProcessorSettings: configmodels.ProcessorSettings{
TypeVal: typeStr,
NameVal: typeStr,
},
DecisionWait: 30 * time.Second,
NumTraces: 50000,
}
}
func createTraceProcessor(
_ context.Context,
params component.ProcessorCreateParams,
cfg configmodels.Processor,
nextConsumer consumer.TraceConsumer,
) (component.TraceProcessor, error) {
tCfg := cfg.(*Config)
return newTraceProcessor(params.Logger, nextConsumer, *tCfg)
}