127 lines
4.3 KiB
Go
127 lines
4.3 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package builders // import "go.opentelemetry.io/collector/service/internal/builders"
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import (
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"context"
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"fmt"
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"go.opentelemetry.io/collector/component"
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"go.opentelemetry.io/collector/consumer"
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"go.opentelemetry.io/collector/consumer/xconsumer"
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"go.opentelemetry.io/collector/pipeline"
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"go.opentelemetry.io/collector/processor"
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"go.opentelemetry.io/collector/processor/processortest"
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"go.opentelemetry.io/collector/processor/xprocessor"
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)
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// ProcessorBuilder processor is a helper struct that given a set of Configs
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// and Factories helps with creating processors.
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type ProcessorBuilder struct {
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cfgs map[component.ID]component.Config
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factories map[component.Type]processor.Factory
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}
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// NewProcessor creates a new ProcessorBuilder to help with creating components form a set of configs and factories.
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func NewProcessor(cfgs map[component.ID]component.Config, factories map[component.Type]processor.Factory) *ProcessorBuilder {
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return &ProcessorBuilder{cfgs: cfgs, factories: factories}
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}
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// CreateTraces creates a Traces processor based on the settings and config.
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func (b *ProcessorBuilder) CreateTraces(ctx context.Context, set processor.Settings, next consumer.Traces) (processor.Traces, error) {
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if next == nil {
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return nil, errNilNextConsumer
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}
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cfg, existsCfg := b.cfgs[set.ID]
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if !existsCfg {
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return nil, fmt.Errorf("processor %q is not configured", set.ID)
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}
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f, existsFactory := b.factories[set.ID.Type()]
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if !existsFactory {
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return nil, fmt.Errorf("processor factory not available for: %q", set.ID)
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}
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logStabilityLevel(set.Logger, f.TracesStability())
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return f.CreateTraces(ctx, set, cfg, next)
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}
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// CreateMetrics creates a Metrics processor based on the settings and config.
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func (b *ProcessorBuilder) CreateMetrics(ctx context.Context, set processor.Settings, next consumer.Metrics) (processor.Metrics, error) {
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if next == nil {
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return nil, errNilNextConsumer
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}
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cfg, existsCfg := b.cfgs[set.ID]
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if !existsCfg {
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return nil, fmt.Errorf("processor %q is not configured", set.ID)
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}
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f, existsFactory := b.factories[set.ID.Type()]
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if !existsFactory {
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return nil, fmt.Errorf("processor factory not available for: %q", set.ID)
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}
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logStabilityLevel(set.Logger, f.MetricsStability())
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return f.CreateMetrics(ctx, set, cfg, next)
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}
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// CreateLogs creates a Logs processor based on the settings and config.
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func (b *ProcessorBuilder) CreateLogs(ctx context.Context, set processor.Settings, next consumer.Logs) (processor.Logs, error) {
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if next == nil {
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return nil, errNilNextConsumer
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}
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cfg, existsCfg := b.cfgs[set.ID]
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if !existsCfg {
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return nil, fmt.Errorf("processor %q is not configured", set.ID)
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}
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f, existsFactory := b.factories[set.ID.Type()]
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if !existsFactory {
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return nil, fmt.Errorf("processor factory not available for: %q", set.ID)
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}
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logStabilityLevel(set.Logger, f.LogsStability())
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return f.CreateLogs(ctx, set, cfg, next)
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}
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// CreateProfiles creates a Profiles processor based on the settings and config.
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func (b *ProcessorBuilder) CreateProfiles(ctx context.Context, set processor.Settings, next xconsumer.Profiles) (xprocessor.Profiles, error) {
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if next == nil {
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return nil, errNilNextConsumer
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}
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cfg, existsCfg := b.cfgs[set.ID]
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if !existsCfg {
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return nil, fmt.Errorf("processor %q is not configured", set.ID)
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}
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procFact, existsFactory := b.factories[set.ID.Type()]
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if !existsFactory {
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return nil, fmt.Errorf("processor factory not available for: %q", set.ID)
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}
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f, ok := procFact.(xprocessor.Factory)
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if !ok {
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return nil, pipeline.ErrSignalNotSupported
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}
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logStabilityLevel(set.Logger, f.ProfilesStability())
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return f.CreateProfiles(ctx, set, cfg, next)
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}
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func (b *ProcessorBuilder) Factory(componentType component.Type) component.Factory {
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return b.factories[componentType]
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}
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// NewNopProcessorConfigsAndFactories returns a configuration and factories that allows building a new nop processor.
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func NewNopProcessorConfigsAndFactories() (map[component.ID]component.Config, map[component.Type]processor.Factory) {
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nopFactory := processortest.NewNopFactory()
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configs := map[component.ID]component.Config{
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component.NewID(NopType): nopFactory.CreateDefaultConfig(),
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}
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factories := map[component.Type]processor.Factory{
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NopType: nopFactory,
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}
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return configs, factories
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}
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