84 lines
2.6 KiB
Go
84 lines
2.6 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package scraperhelper // import "go.opentelemetry.io/collector/scraper/scraperhelper"
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import (
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"context"
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"errors"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/codes"
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"go.opentelemetry.io/otel/metric"
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"go.uber.org/zap"
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"go.opentelemetry.io/collector/component"
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"go.opentelemetry.io/collector/pdata/plog"
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"go.opentelemetry.io/collector/pipeline"
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"go.opentelemetry.io/collector/scraper"
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"go.opentelemetry.io/collector/scraper/scrapererror"
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"go.opentelemetry.io/collector/scraper/scraperhelper/internal/metadata"
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)
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const (
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// scrapedLogRecordsKey used to identify log records scraped by the
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// Collector.
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scrapedLogRecordsKey = "scraped_log_records"
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// erroredLogRecordsKey used to identify log records errored (i.e.
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// unable to be scraped) by the Collector.
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erroredLogRecordsKey = "errored_log_records"
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)
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func wrapObsLogs(sc scraper.Logs, receiverID, scraperID component.ID, set component.TelemetrySettings) (scraper.Logs, error) {
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telemetryBuilder, errBuilder := metadata.NewTelemetryBuilder(set)
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if errBuilder != nil {
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return nil, errBuilder
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}
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tracer := metadata.Tracer(set)
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spanName := scraperKey + spanNameSep + scraperID.String() + spanNameSep + "ScrapeLogs"
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otelAttrs := metric.WithAttributeSet(attribute.NewSet(
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attribute.String(receiverKey, receiverID.String()),
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attribute.String(scraperKey, scraperID.String()),
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))
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scraperFuncs := func(ctx context.Context) (plog.Logs, error) {
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ctx, span := tracer.Start(ctx, spanName)
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defer span.End()
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md, err := sc.ScrapeLogs(ctx)
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numScrapedLogs := 0
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numErroredLogs := 0
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if err != nil {
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set.Logger.Error("Error scraping logs", zap.Error(err))
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var partialErr scrapererror.PartialScrapeError
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if errors.As(err, &partialErr) {
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numErroredLogs = partialErr.Failed
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numScrapedLogs = md.LogRecordCount()
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}
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} else {
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numScrapedLogs = md.LogRecordCount()
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}
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telemetryBuilder.ScraperScrapedLogRecords.Add(ctx, int64(numScrapedLogs), otelAttrs)
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telemetryBuilder.ScraperErroredLogRecords.Add(ctx, int64(numErroredLogs), otelAttrs)
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// end span according to errors
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if span.IsRecording() {
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span.SetAttributes(
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attribute.String(formatKey, pipeline.SignalMetrics.String()),
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attribute.Int64(scrapedLogRecordsKey, int64(numScrapedLogs)),
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attribute.Int64(erroredLogRecordsKey, int64(numErroredLogs)),
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)
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if err != nil {
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span.SetStatus(codes.Error, err.Error())
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}
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}
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return md, err
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}
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return scraper.NewLogs(scraperFuncs, scraper.WithStart(sc.Start), scraper.WithShutdown(sc.Shutdown))
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}
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