[prometheusexporter] Expose native histograms

[krisztianfekete]

Component(s)

exporter/prometheus

What happened?

Description

Currently, prometheusreceiver supports native histograms, but prometheusexporter cannot expose them.

Steps to Reproduce

1. Instrument your code with native histograms
2. Scrape the metrics with prometheusreceiver by following the instructions

Expected Result

prometheusexporter should expose native histograms

Actual Result

Logs via debugexporter:

{"level":"error","ts":1718965637.50062,"caller":"prometheusexporter@v0.103.0/accumulator.go:94","msg":"failed to translate metric","kind":"exporter","data_type":"metrics","name":"prometheus","data_type":"\u0004","metric_name":"gloo_mesh_translation_time_sec","stacktrace":"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*lastValueAccumulator).addMetric
\tgithub.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.103.0/accumulator.go:94
github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*lastValueAccumulator).Accumulate
\tgithub.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.103.0/accumulator.go:71
github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*collector).processMetrics
\tgithub.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.103.0/collector.go:88
github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*prometheusExporter).ConsumeMetrics
\tgithub.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.103.0/prometheus.go:85
go.opentelemetry.io/collector/exporter/exporterhelper.(*metricsRequest).Export
\tgo.opentelemetry.io/collector/exporter@v0.103.0/exporterhelper/metrics.go:59
go.opentelemetry.io/collector/exporter/exporterhelper.(*timeoutSender).send
\tgo.opentelemetry.io/collector/exporter@v0.103.0/exporterhelper/timeout_sender.go:49
go.opentelemetry.io/collector/exporter/exporterhelper.(*baseRequestSender).send
\tgo.opentelemetry.io/collector/exporter@v0.103.0/exporterhelper/common.go:37
go.opentelemetry.io/collector/exporter/exporterhelper.(*metricsSenderWithObservability).send
\tgo.opentelemetry.io/collector/exporter@v0.103.0/exporterhelper/metrics.go:158
--

Collector version

v0.103.0

Environment information

N/A

OpenTelemetry Collector configuration

pipelines:
  metrics/test:
    receivers:
    - prometheus
    exporters:
    - debug
    - prometheus

Log output

{"level":"error","ts":1718965637.50062,"caller":"prometheusexporter@v0.103.0/accumulator.go:94","msg":"failed to translate metric","kind":"exporter","data_type":"metrics","name":"prometheus","data_type":"\u0004","metric_name":"gloo_mesh_translation_time_sec","stacktrace":"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*lastValueAccumulator).addMetric
\tgithub.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.103.0/accumulator.go:94
github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*lastValueAccumulator).Accumulate
\tgithub.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.103.0/accumulator.go:71
github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*collector).processMetrics
\tgithub.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.103.0/collector.go:88
github.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter.(*prometheusExporter).ConsumeMetrics
\tgithub.com/open-telemetry/opentelemetry-collector-contrib/exporter/prometheusexporter@v0.103.0/prometheus.go:85
go.opentelemetry.io/collector/exporter/exporterhelper.(*metricsRequest).Export
\tgo.opentelemetry.io/collector/exporter@v0.103.0/exporterhelper/metrics.go:59
go.opentelemetry.io/collector/exporter/exporterhelper.(*timeoutSender).send
\tgo.opentelemetry.io/collector/exporter@v0.103.0/exporterhelper/timeout_sender.go:49
go.opentelemetry.io/collector/exporter/exporterhelper.(*baseRequestSender).send
\tgo.opentelemetry.io/collector/exporter@v0.103.0/exporterhelper/common.go:37
go.opentelemetry.io/collector/exporter/exporterhelper.(*metricsSenderWithObservability).send
\tgo.opentelemetry.io/collector/exporter@v0.103.0/exporterhelper/metrics.go:158
--

Additional context

No response

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• exporter/prometheus: @Aneurysm9

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