101 lines
3.0 KiB
Go
101 lines
3.0 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package fanoutconsumer contains implementations of Traces/Metrics/Logs consumers
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// that fan out the data to multiple other consumers.
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//
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// Cloning connectors create clones of data before fanning out, which ensures each
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// consumer gets their own copy of data and is free to modify it.
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package fanoutconsumer
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import (
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"context"
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"go.opentelemetry.io/collector/consumer"
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"go.opentelemetry.io/collector/consumer/consumererror"
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"go.opentelemetry.io/collector/consumer/pdata"
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)
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// NewMetrics wraps multiple metrics consumers in a single one.
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func NewMetrics(mcs []consumer.Metrics) consumer.Metrics {
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if len(mcs) == 1 {
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// Don't wrap if no need to do it.
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return mcs[0]
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}
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return metricsConsumer(mcs)
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}
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type metricsConsumer []consumer.Metrics
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var _ consumer.Metrics = (*metricsConsumer)(nil)
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// ConsumeMetrics exports the pdata.Metrics to all consumers wrapped by the current one.
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func (mfc metricsConsumer) ConsumeMetrics(ctx context.Context, md pdata.Metrics) error {
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var errs []error
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for _, mc := range mfc {
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if err := mc.ConsumeMetrics(ctx, md); err != nil {
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errs = append(errs, err)
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}
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}
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return consumererror.CombineErrors(errs)
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}
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// NewTraces wraps multiple trace consumers in a single one.
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func NewTraces(tcs []consumer.Traces) consumer.Traces {
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if len(tcs) == 1 {
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// Don't wrap if no need to do it.
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return tcs[0]
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}
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return traceConsumer(tcs)
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}
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type traceConsumer []consumer.Traces
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var _ consumer.Traces = (*traceConsumer)(nil)
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// ConsumeTraces exports the pdata.Traces to all consumers wrapped by the current one.
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func (tfc traceConsumer) ConsumeTraces(ctx context.Context, td pdata.Traces) error {
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var errs []error
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for _, tc := range tfc {
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if err := tc.ConsumeTraces(ctx, td); err != nil {
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errs = append(errs, err)
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}
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}
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return consumererror.CombineErrors(errs)
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}
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// NewLogs wraps multiple log consumers in a single one.
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func NewLogs(lcs []consumer.Logs) consumer.Logs {
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if len(lcs) == 1 {
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// Don't wrap if no need to do it.
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return lcs[0]
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}
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return logsConsumer(lcs)
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}
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type logsConsumer []consumer.Logs
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var _ consumer.Logs = (*logsConsumer)(nil)
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// ConsumeLogs exports the pdata.Logs to all consumers wrapped by the current one.
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func (lfc logsConsumer) ConsumeLogs(ctx context.Context, ld pdata.Logs) error {
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var errs []error
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for _, lc := range lfc {
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if err := lc.ConsumeLogs(ctx, ld); err != nil {
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errs = append(errs, err)
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}
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}
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return consumererror.CombineErrors(errs)
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}
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