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loki-rule-operator

Loki-rule-operator is light-weight Kubernetes Operator that adds the LokiRule and GlobalLokiRule Custom Resource Definitions to a cluster. These resources helps configuring Alert rules for your Loki setup.

Example

apiVersion: logging.opsgy.com/v1beta1
kind: LokiRule
metadata:
  name: credentials-leak
  namespace: prod
spec:
  groups:
  - name: credentials_leak
    rules:
    - alert: http-credentials-leaked
      annotations:
        message: '{{ $labels.job }} is leaking http basic auth credentials.'
      expr: sum by (cluster, job, pod) (count_over_time({namespace="prod"} |~ "http(s?)://(\\w+):(\\w+)@" [5m]) > 0)
      for: 10m
      labels:
        severity: critical

Difference between GlobalLokiRule and LokiRule

LokiRule is a namespaced resource and will will enforce the selector {namespace="<namespace>"} on the LogQL expression. The GlobalLokiRule is cluster wide and doesn't enforce the namespace selector.

Setup the loki-rule-operator

See the deploy folder.

License

Apache License 2.0, see LICENSE.