routesrv: discover redis shards without fetching full cluster state #2956
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Routesrv supports dynamic discovery of Redis instances using Kubernetes Service, see https://github.com/zalando/skipper/blob/master/docs/tutorials/ratelimit.md#redis-based-cluster-ratelimits Dynamic discovery relies on Kubernetes Dataclient that also fetches Ingresses and RouteGroups and creates routes from them. This change enables dynamic discovery of Redis instances using Kubernetes without fetching Ingresses and RouteGroups. When -kubernetes flag is not set but -kubernetes-redis-service-namespace, -kubernetes-redis-service-name and -kubernetes-redis-service-port are provided then `routesrv` creates Kubernetes dataclient to discover Redis instances but does not use this dataclient to load routes. See previous #2934 Signed-off-by: Alexander Yastrebov <[email protected]>
AlexanderYastrebov
added
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| dataclient routing.DataClient | ||
| ) | ||
| if opts.Kubernetes { | ||
| kdc, err = kubernetes.New(opts.KubernetesDataClientOptions()) |
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Routesrv supports dynamic discovery of Redis instances using Kubernetes Service, see https://github.com/zalando/skipper/blob/master/docs/tutorials/ratelimit.md#redis-based-cluster-ratelimits
Dynamic discovery relies on Kubernetes Dataclient that also fetches Ingresses and RouteGroups and creates routes from them.
This change enables dynamic discovery of Redis instances using Kubernetes without fetching Ingresses and RouteGroups.
When -kubernetes flag is not set but
-kubernetes-redis-service-namespace, -kubernetes-redis-service-name and -kubernetes-redis-service-port are provided then
routesrvcreates Kubernetes dataclient to discover Redis instancesbut does not use this dataclient to load routes.
See previous #2934