opentelemetry-collector/service/internal/graph/processor.go

99 lines
3.7 KiB
Go

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package graph // import "go.opentelemetry.io/collector/service/internal/graph"
import (
"context"
"fmt"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/consumer/xconsumer"
"go.opentelemetry.io/collector/internal/telemetry"
"go.opentelemetry.io/collector/pipeline"
"go.opentelemetry.io/collector/pipeline/xpipeline"
"go.opentelemetry.io/collector/processor"
"go.opentelemetry.io/collector/service/internal/attribute"
"go.opentelemetry.io/collector/service/internal/builders"
"go.opentelemetry.io/collector/service/internal/metadata"
"go.opentelemetry.io/collector/service/internal/obsconsumer"
)
var _ consumerNode = (*processorNode)(nil)
// Every processor instance is unique to one pipeline.
// Therefore, nodeID is derived from "pipeline ID" and "component ID".
type processorNode struct {
attribute.Attributes
componentID component.ID
pipelineID pipeline.ID
component.Component
consumer baseConsumer
}
func newProcessorNode(pipelineID pipeline.ID, procID component.ID) *processorNode {
return &processorNode{
Attributes: attribute.Processor(pipelineID, procID),
componentID: procID,
pipelineID: pipelineID,
}
}
func (n *processorNode) getConsumer() baseConsumer {
return n.consumer
}
func (n *processorNode) buildComponent(ctx context.Context,
tel component.TelemetrySettings,
info component.BuildInfo,
builder *builders.ProcessorBuilder,
next baseConsumer,
) error {
set := processor.Settings{
ID: n.componentID,
TelemetrySettings: telemetry.WithAttributeSet(tel, *n.Set()),
BuildInfo: info,
}
tb, err := metadata.NewTelemetryBuilder(set.TelemetrySettings)
if err != nil {
return err
}
switch n.pipelineID.Signal() {
case pipeline.SignalTraces:
n.Component, err = builder.CreateTraces(ctx, set,
obsconsumer.NewTraces(next.(consumer.Traces), tb.ProcessorProducedItems, tb.ProcessorProducedSize),
)
if err != nil {
return fmt.Errorf("failed to create %q processor, in pipeline %q: %w", set.ID, n.pipelineID.String(), err)
}
n.consumer = obsconsumer.NewTraces(n.Component.(consumer.Traces), tb.ProcessorConsumedItems, tb.ProcessorConsumedSize)
case pipeline.SignalMetrics:
n.Component, err = builder.CreateMetrics(ctx, set,
obsconsumer.NewMetrics(next.(consumer.Metrics), tb.ProcessorProducedItems, tb.ProcessorProducedSize))
if err != nil {
return fmt.Errorf("failed to create %q processor, in pipeline %q: %w", set.ID, n.pipelineID.String(), err)
}
n.consumer = obsconsumer.NewMetrics(n.Component.(consumer.Metrics), tb.ProcessorConsumedItems, tb.ProcessorConsumedSize)
case pipeline.SignalLogs:
n.Component, err = builder.CreateLogs(ctx, set,
obsconsumer.NewLogs(next.(consumer.Logs), tb.ProcessorProducedItems, tb.ProcessorProducedSize))
if err != nil {
return fmt.Errorf("failed to create %q processor, in pipeline %q: %w", set.ID, n.pipelineID.String(), err)
}
n.consumer = obsconsumer.NewLogs(n.Component.(consumer.Logs), tb.ProcessorConsumedItems, tb.ProcessorConsumedSize)
case xpipeline.SignalProfiles:
n.Component, err = builder.CreateProfiles(ctx, set,
obsconsumer.NewProfiles(next.(xconsumer.Profiles), tb.ProcessorProducedItems, tb.ProcessorProducedSize))
if err != nil {
return fmt.Errorf("failed to create %q processor, in pipeline %q: %w", set.ID, n.pipelineID.String(), err)
}
n.consumer = obsconsumer.NewProfiles(n.Component.(xconsumer.Profiles), tb.ProcessorConsumedItems, tb.ProcessorConsumedSize)
default:
return fmt.Errorf("error creating processor %q in pipeline %q, data type %q is not supported", set.ID, n.pipelineID.String(), n.pipelineID.Signal())
}
return nil
}