forked from open-telemetry/opentelemetry-collector-contrib
/
scraper.go
69 lines (56 loc) · 1.88 KB
/
scraper.go
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package filestatsreceiver // import "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/filestatsreceiver"
import (
"context"
"os"
"time"
"github.com/bmatcuk/doublestar/v4"
"go.opentelemetry.io/collector/pdata/pcommon"
"go.opentelemetry.io/collector/pdata/pmetric"
"go.opentelemetry.io/collector/receiver"
"go.opentelemetry.io/collector/receiver/scrapererror"
"go.uber.org/multierr"
"go.uber.org/zap"
"github.com/open-telemetry/opentelemetry-collector-contrib/receiver/filestatsreceiver/internal/metadata"
)
type scraper struct {
include string
logger *zap.Logger
mb *metadata.MetricsBuilder
}
func (s *scraper) scrape(_ context.Context) (pmetric.Metrics, error) {
matches, err := doublestar.FilepathGlob(s.include)
if err != nil {
return pmetric.NewMetrics(), err
}
var scrapeErrors []error
now := pcommon.NewTimestampFromTime(time.Now())
for _, match := range matches {
fileinfo, err := os.Stat(match)
if err != nil {
scrapeErrors = append(scrapeErrors, err)
continue
}
s.mb.RecordFileSizeDataPoint(now, fileinfo.Size())
s.mb.RecordFileMtimeDataPoint(now, fileinfo.ModTime().Unix())
collectStats(now, fileinfo, s.mb, s.logger)
rb := s.mb.NewResourceBuilder()
rb.SetFileName(fileinfo.Name())
rb.SetFilePath(match)
s.mb.EmitForResource(metadata.WithResource(rb.Emit()))
}
s.mb.RecordFileCountDataPoint(now, int64(len(matches)))
s.mb.EmitForResource()
if len(scrapeErrors) > 0 {
return s.mb.Emit(), scrapererror.NewPartialScrapeError(multierr.Combine(scrapeErrors...), len(scrapeErrors))
}
return s.mb.Emit(), nil
}
func newScraper(cfg *Config, settings receiver.CreateSettings) *scraper {
return &scraper{
include: cfg.Include,
logger: settings.TelemetrySettings.Logger,
mb: metadata.NewMetricsBuilder(cfg.MetricsBuilderConfig, settings),
}
}