/
factories.go
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/
factories.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 factories provides factories for components in the collector
package factories
import (
"fmt"
"github.com/observiq/bindplane-agent/internal/throughputwrapper"
"github.com/observiq/bindplane-agent/processor/throughputmeasurementprocessor"
"go.opentelemetry.io/collector/connector"
"go.opentelemetry.io/collector/exporter"
"go.opentelemetry.io/collector/extension"
"go.opentelemetry.io/collector/otelcol"
"go.opentelemetry.io/collector/processor"
"go.opentelemetry.io/collector/receiver"
"go.uber.org/multierr"
)
// DefaultFactories returns the default factories used by the BindPlane Agent
func DefaultFactories() (otelcol.Factories, error) {
return combineFactories(defaultReceivers, defaultProcessors, defaultExporters, defaultExtensions, defaultConnectors)
}
// RegisterComponentTelemetry registers or re-registers components with telemetry so that any stale metrics are cleaned out.
func RegisterComponentTelemetry() error {
if err := throughputmeasurementprocessor.RegisterMetricViews(); err != nil {
return fmt.Errorf("failed to register throughput measurement processor telemetry: %w", err)
}
if err := throughputwrapper.RegisterMetricViews(); err != nil {
return fmt.Errorf("failed to register throughput wrapper telemetry: %w", err)
}
return nil
}
// combineFactories combines the supplied factories into a single Factories struct.
// Any errors encountered will also be combined into a single error.
func combineFactories(receivers []receiver.Factory, processors []processor.Factory,
exporters []exporter.Factory, extensions []extension.Factory,
connectors []connector.Factory) (otelcol.Factories, error) {
var errs []error
// Ensure component telemetry is registered at least once by having it in this method
if err := RegisterComponentTelemetry(); err != nil {
errs = append(errs, err)
}
receiverMap, err := receiver.MakeFactoryMap(wrapReceivers(receivers)...)
if err != nil {
errs = append(errs, err)
}
processorMap, err := processor.MakeFactoryMap(processors...)
if err != nil {
errs = append(errs, err)
}
exporterMap, err := exporter.MakeFactoryMap(exporters...)
if err != nil {
errs = append(errs, err)
}
extensionMap, err := extension.MakeFactoryMap(extensions...)
if err != nil {
errs = append(errs, err)
}
connectorMap, err := connector.MakeFactoryMap(connectors...)
if err != nil {
errs = append(errs, err)
}
return otelcol.Factories{
Receivers: receiverMap,
Processors: processorMap,
Exporters: exporterMap,
Extensions: extensionMap,
Connectors: connectorMap,
}, multierr.Combine(errs...)
}
func wrapReceivers(receivers []receiver.Factory) []receiver.Factory {
wrappedReceivers := make([]receiver.Factory, len(defaultReceivers))
for i, recv := range receivers {
wrappedReceivers[i] = throughputwrapper.WrapReceiverFactory(recv)
}
return wrappedReceivers
}