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factory.go
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factory.go
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// Copyright observIQ, Inc.
//
// 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 snapshotprocessor
import (
"context"
"sync"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/processor"
"go.opentelemetry.io/collector/processor/processorhelper"
)
var componentType = component.MustNewType("snapshotprocessor")
const (
stability = component.StabilityLevelAlpha
)
var consumerCapabilities = consumer.Capabilities{MutatesData: false}
// NewFactory creates a new ProcessorFactory with default configuration
func NewFactory() processor.Factory {
return processor.NewFactory(
componentType,
createDefaultConfig,
processor.WithTraces(createTracesProcessor, stability),
processor.WithLogs(createLogsProcessor, stability),
processor.WithMetrics(createMetricsProcessor, stability),
)
}
func createDefaultConfig() component.Config {
return &Config{
Enabled: true,
OpAMP: defaultOpAMPExtensionID,
}
}
func createTracesProcessor(
ctx context.Context,
set processor.CreateSettings,
cfg component.Config,
nextConsumer consumer.Traces,
) (processor.Traces, error) {
oCfg := cfg.(*Config)
sp := createOrGetProcessor(set, oCfg)
return processorhelper.NewTracesProcessor(
ctx,
set,
cfg,
nextConsumer,
sp.processTraces,
processorhelper.WithCapabilities(consumerCapabilities),
processorhelper.WithStart(sp.start),
)
}
func createLogsProcessor(
ctx context.Context,
set processor.CreateSettings,
cfg component.Config,
nextConsumer consumer.Logs,
) (processor.Logs, error) {
oCfg := cfg.(*Config)
sp := createOrGetProcessor(set, oCfg)
return processorhelper.NewLogsProcessor(
ctx,
set,
cfg,
nextConsumer,
sp.processLogs,
processorhelper.WithCapabilities(consumerCapabilities),
processorhelper.WithStart(sp.start),
)
}
func createMetricsProcessor(
ctx context.Context,
set processor.CreateSettings,
cfg component.Config,
nextConsumer consumer.Metrics,
) (processor.Metrics, error) {
oCfg := cfg.(*Config)
sp := createOrGetProcessor(set, oCfg)
return processorhelper.NewMetricsProcessor(
ctx,
set,
cfg,
nextConsumer,
sp.processMetrics,
processorhelper.WithCapabilities(consumerCapabilities),
processorhelper.WithStart(sp.start),
)
}
func createOrGetProcessor(set processor.CreateSettings, cfg *Config) *snapshotProcessor {
processorsMux.Lock()
defer processorsMux.Unlock()
var sp *snapshotProcessor
if p, ok := processors[set.ID]; ok {
sp = p
} else {
sp = newSnapshotProcessor(set.Logger, cfg, set.ID)
processors[set.ID] = sp
}
return sp
}
func unregisterProcessor(id component.ID) {
processorsMux.Lock()
defer processorsMux.Unlock()
delete(processors, id)
}
// processors is a map of component.ID to an instance of snapshot processor.
// It is used so that only one instance of a particular snapshot processor exists, even if it's included
// across multiple pipelines/signal types.
var processors = map[component.ID]*snapshotProcessor{}
var processorsMux = sync.Mutex{}