Grafana Cloud (Loki) Log Integration

CloudAMQP ships broker logs to Grafana Cloud, stored in Loki, via the OpenTelemetry Protocol (OTLP). Available on RabbitMQ and LavinMQ dedicated instances.

Link: https://grafana.com/docs/grafana-cloud/send-data/otlp/send-data-otlp/

Setup

  1. Sign in to the Grafana Cloud Portal and select your stack from the organization overview.
  2. Click Configure on the OpenTelemetry tile. You will find your OTLP endpoint (e.g. https://otlp-gateway-prod-<region>.grafana.net/otlp), your numeric instance ID, and the option to generate an API token.
  3. Generate an API token with at minimum the logs:write scope, or use a Service Account token with the MetricsPublisher role.
  4. Enter the endpoint URL, instance ID, and API token in the CloudAMQP console and click Save.

Querying your logs

Once connected, open Explore in Grafana, select the Loki data source, and query by cluster or node: 

{service_name="your-cluster-name"}
{host_name="your-cluster-name-01"}

Log attributes

Each log record includes the following resource attributes:

  • service_name — your CloudAMQP cluster name (Loki renames service.name)
  • host_name — the individual node hostname (Loki renames host.name)
  • appname — always rabbitmq or lavinmq
  • Severity — mapped from the journald PRIORITY field to the OpenTelemetry severity spec (INFO = 9, WARN = 13, ERROR = 17)

Metrics can be shipped to the same Grafana Cloud stack with the Grafana Cloud metrics integration.

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