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prometheus.yml (952B)

      1 # Prometheus configuration for the distributed observability stack
      2 #
      3 # Metrics arrive by OTLP push (services export to the /api/v1/otlp endpoint,
      4 # enabled via the --web.enable-otlp-receiver flag in docker-compose.yml),
      5 # so the only scrape job here is Prometheus scraping itself.
      6 
      7 global:
      8   scrape_interval: 15s
      9   evaluation_interval: 15s
     10   external_labels:
     11     cluster: otelmart
     12     environment: development
     13 
     14 # OTLP receiver settings for pushed metrics
     15 otlp:
     16   # Keep OTel resource attributes as labels on the ingested series,
     17   # so metrics can be filtered by service in Grafana.
     18   promote_resource_attributes:
     19     - service.name
     20     - service.namespace
     21     - service.version
     22     - service.instance.id
     23     - deployment.environment
     24 
     25 storage:
     26   tsdb:
     27     # OTLP pushes can arrive slightly out of order across services.
     28     out_of_order_time_window: 30m
     29 
     30 scrape_configs:
     31   - job_name: prometheus
     32     static_configs:
     33       - targets: ["localhost:9090"]