opentelemetry-collector/connector/forwardconnector/forward.go

77 lines
2.2 KiB
Go

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package forwardconnector // import "go.opentelemetry.io/collector/connector/forwardconnector"
import (
"context"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/connector"
"go.opentelemetry.io/collector/connector/forwardconnector/internal/metadata"
"go.opentelemetry.io/collector/consumer"
)
// NewFactory returns a connector.Factory.
func NewFactory() connector.Factory {
return connector.NewFactory(
metadata.Type,
createDefaultConfig,
connector.WithTracesToTraces(createTracesToTraces, metadata.TracesToTracesStability),
connector.WithMetricsToMetrics(createMetricsToMetrics, metadata.MetricsToMetricsStability),
connector.WithLogsToLogs(createLogsToLogs, metadata.LogsToLogsStability),
)
}
type Config struct{}
// createDefaultConfig creates the default configuration.
func createDefaultConfig() component.Config {
return &Config{}
}
// createTracesToTraces creates a trace receiver based on provided config.
func createTracesToTraces(
_ context.Context,
_ connector.Settings,
_ component.Config,
nextConsumer consumer.Traces,
) (connector.Traces, error) {
return &forward{Traces: nextConsumer}, nil
}
// createMetricsToMetrics creates a metrics receiver based on provided config.
func createMetricsToMetrics(
_ context.Context,
_ connector.Settings,
_ component.Config,
nextConsumer consumer.Metrics,
) (connector.Metrics, error) {
return &forward{Metrics: nextConsumer}, nil
}
// createLogsToLogs creates a log receiver based on provided config.
func createLogsToLogs(
_ context.Context,
_ connector.Settings,
_ component.Config,
nextConsumer consumer.Logs,
) (connector.Logs, error) {
return &forward{Logs: nextConsumer}, nil
}
// forward is used to pass signals directly from one pipeline to another.
// This is useful when there is a need to replicate data and process it in more
// than one way. It can also be used to join pipelines together.
type forward struct {
consumer.Traces
consumer.Metrics
consumer.Logs
component.StartFunc
component.ShutdownFunc
}
func (c *forward) Capabilities() consumer.Capabilities {
return consumer.Capabilities{MutatesData: false}
}