Feature: Patterns Detection API

[lmangani]

The Patterns Detection API seems to be used in Grafana 11.x Apps and might become useful to have. qryn has an experimental pattern detection which might or might not be feasible for integration. To be discussed and considered for roadmap inclusion.

Endpoints

• GET /loki/api/v1/patterns

Example

curl -s "http://localhost:3100/loki/api/v1/patterns" \
  --data-urlencode 'query={app="loki"}' | jq

{
  "status": "success",
  "data": [
    {
      "pattern": "<_> caller=grpc_logging.go:66 <_> level=error method=/cortex.Ingester/Push <_> msg=gRPC err=\"connection refused to object store\"",
      "samples": [
        [
          1711839260,
          1
        ],
        [
          1711839270,
          2
        ],
        [
          1711839280,
          1
        ]
      ]
    },
    {
      "pattern": "<_> caller=grpc_logging.go:66 <_> level=info method=/cortex.Ingester/Push <_> msg=gRPC",
      "samples": [
        [
          1711839260,
          105
        ],
        [
          1711839270,
          222
        ],
        [
          1711839280,
          196
        ]
      ]
    }
  ]
}