76 lines
2.0 KiB
Go
76 lines
2.0 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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"fmt"
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"go.uber.org/multierr"
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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/internal/fanoutconsumer"
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)
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// Deprecated: [v0.92.0] use TracesRouterAndConsumer
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type TracesRouter interface {
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Consumer(...component.ID) (consumer.Traces, error)
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PipelineIDs() []component.ID
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}
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// TracesRouterAndConsumer feeds the first consumer.Traces in each of the specified pipelines.
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type TracesRouterAndConsumer interface {
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consumer.Traces
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Consumer(...component.ID) (consumer.Traces, error)
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PipelineIDs() []component.ID
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privateFunc()
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}
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type tracesRouter struct {
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consumer.Traces
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consumers map[component.ID]consumer.Traces
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}
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func NewTracesRouter(cm map[component.ID]consumer.Traces) TracesRouterAndConsumer {
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consumers := make([]consumer.Traces, 0, len(cm))
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for _, c := range cm {
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consumers = append(consumers, c)
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}
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return &tracesRouter{
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Traces: fanoutconsumer.NewTraces(consumers),
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consumers: cm,
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}
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}
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func (r *tracesRouter) PipelineIDs() []component.ID {
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ids := make([]component.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 *tracesRouter) Consumer(pipelineIDs ...component.ID) (consumer.Traces, error) {
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if len(pipelineIDs) == 0 {
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return nil, fmt.Errorf("missing consumers")
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}
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consumers := make([]consumer.Traces, 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 NewTraces with the valid consumers
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return nil, errors
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}
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return fanoutconsumer.NewTraces(consumers), nil
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}
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func (r *tracesRouter) privateFunc() {}
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