72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package connector // import "go.opentelemetry.io/collector/connector"
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import (
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"errors"
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"fmt"
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"go.uber.org/multierr"
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"go.opentelemetry.io/collector/connector/internal"
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"go.opentelemetry.io/collector/consumer"
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"go.opentelemetry.io/collector/internal/fanoutconsumer"
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"go.opentelemetry.io/collector/pipeline"
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)
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// LogsRouterAndConsumer feeds the first consumer.Logs in each of the specified pipelines.
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type LogsRouterAndConsumer interface {
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consumer.Logs
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Consumer(...pipeline.ID) (consumer.Logs, error)
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PipelineIDs() []pipeline.ID
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privateFunc()
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}
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type logsRouter struct {
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consumer.Logs
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internal.BaseRouter[consumer.Logs]
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}
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func NewLogsRouter(cm map[pipeline.ID]consumer.Logs) LogsRouterAndConsumer {
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consumers := make([]consumer.Logs, 0, len(cm))
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for _, cons := range cm {
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consumers = append(consumers, cons)
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}
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return &logsRouter{
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Logs: fanoutconsumer.NewLogs(consumers),
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BaseRouter: internal.NewBaseRouter(fanoutconsumer.NewLogs, cm),
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}
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}
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func (r *logsRouter) PipelineIDs() []pipeline.ID {
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ids := make([]pipeline.ID, 0, len(r.Consumers))
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for id := range r.Consumers {
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ids = append(ids, id)
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}
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return ids
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}
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func (r *logsRouter) Consumer(pipelineIDs ...pipeline.ID) (consumer.Logs, error) {
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if len(pipelineIDs) == 0 {
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return nil, errors.New("missing consumers")
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}
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consumers := make([]consumer.Logs, 0, len(pipelineIDs))
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var errors error
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for _, pipelineID := range pipelineIDs {
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c, ok := r.Consumers[pipelineID]
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if ok {
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consumers = append(consumers, c)
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} else {
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errors = multierr.Append(errors, fmt.Errorf("missing consumer: %q", pipelineID))
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}
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}
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if errors != nil {
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// TODO potentially this could return a NewLogs with the valid consumers
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return nil, errors
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}
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return fanoutconsumer.NewLogs(consumers), nil
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}
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func (r *logsRouter) privateFunc() {}
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