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Storage

The default storage for Limitador limits counter is in memory, which there's no configuration needed. In order to configure a Redis data structure store, currently there are 2 alternatives:

  • Redis
  • Redis Cached

For any of those, one should store the URL of the Redis service, inside a K8s opaque Secret.

apiVersion: v1
kind: Secret
metadata:
  name: redisconfig
stringData:
  URL: redis://127.0.0.1/a # Redis URL of its running instance
type: Opaque

It's also required to setup Spec.Storage

Redis

apiVersion: limitador.kuadrant.io/v1alpha1
kind: Limitador
metadata:
  name: limitador-sample
spec:
  storage:
    redis:
      configSecretRef: # The secret reference storing the URL for Redis
        name: redisconfig
        namespace: default # optional
  limits:
    - conditions: ["get_toy == 'yes'"]
      max_value: 2
      namespace: toystore-app
      seconds: 30
      variables: []

Redis Cached

Options

Option Description
ttl TTL for cached counters in milliseconds [default: 5000]
ratio Ratio to apply to the TTL from Redis on cached counters [default:
flush-period Flushing period for counters in milliseconds [default: 1000]
max-cached Maximum amount of counters cached [default: 10000] 
apiVersion: limitador.kuadrant.io/v1alpha1
kind: Limitador
metadata:
  name: limitador-sample
spec:
  storage:
    redis-cached:
      configSecretRef: # The secret reference storing the URL for Redis
        name: redisconfig
        namespace: default # optional
      options: # Every option is optional
        ttl: 1000

  limits:
    - conditions: ["get_toy == 'yes'"]
      max_value: 2
      namespace: toystore-app
      seconds: 30
      variables: []