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lib/protoparser/opentelemetry: add metric to track skipped rows without resource (#5459)

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Currently, it is impossible to understand why metrics are not ingested when resource is not set by OTEL exporter. Adding metric should simplify debugging and make it improve debuggability.

Signed-off-by: Zakhar Bessarab <z.bessarab@victoriametrics.com>
Co-authored-by: Roman Khavronenko <roman@victoriametrics.com>
This commit is contained in:
Zakhar Bessarab 2023-12-15 14:16:25 +04:00 committed by GitHub
parent 9253c24dd6
commit 317834f876
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 1 deletions
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5
lib/protoparser/opentelemetry/stream/streamparser.go
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@ -6,6 +6,8 @@ import (
"strconv"
"sync"
"github.com/VictoriaMetrics/metrics"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/bytesutil"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/decimal"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/fasttime"
@ -14,7 +16,6 @@ import (
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/opentelemetry/pb"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/writeconcurrencylimiter"
"github.com/VictoriaMetrics/metrics"
)
// ParseStream parses OpenTelemetry protobuf or json data from r and calls callback for the parsed rows.
@ -273,6 +274,7 @@ func (wr *writeContext) parseRequestToTss(req *pb.ExportMetricsServiceRequest) {
for _, rm := range req.ResourceMetrics {
if rm.Resource == nil {
// skip metrics without resource part.
rowsDroppedResourceNotSet.Inc()
continue
}
wr.baseLabels = appendAttributesToPromLabels(wr.baseLabels[:0], rm.Resource.Attributes)
@ -302,4 +304,5 @@ var (
rowsDroppedUnsupportedHistogram = metrics.NewCounter(`vm_protoparser_rows_dropped_total{type="opentelemetry",reason="unsupported_histogram_aggregation"}`)
rowsDroppedUnsupportedSum = metrics.NewCounter(`vm_protoparser_rows_dropped_total{type="opentelemetry",reason="unsupported_sum_aggregation"}`)
rowsDroppedUnsupportedMetricType = metrics.NewCounter(`vm_protoparser_rows_dropped_total{type="opentelemetry",reason="unsupported_metric_type"}`)
rowsDroppedResourceNotSet = metrics.NewCounter(`vm_protoparser_rows_dropped_total{type="opentelemetry",reason="resource_not_set"}`)
)