receiver/prometheus: remove assumption that scraped metrics share a resource

open-telemetry / opentelemetry-collector-contrib

Contrib repository for the OpenTelemetry Collector

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receiver/prometheus: remove assumption that scraped metrics share a resource #36479

Open ridwanmsharif opened 1 day ago

ridwanmsharif commented 1 day ago

Description

This change removes as assumption that all metrics in a single scrape come from the same resource. This is indeed not true when honor_labels is set to true AND when the scraped metrics contain a job or instance label.

Link to tracking issue

Fixes #36477

Testing

Added unit tests

Documentation

N/A