[GitHub] [apisix-helm-chart] macmiranda commented on issue #343: Add IngressClass To Chart

[GitBox <gi...@apache.org>]

macmiranda commented on issue #343:
URL: https://github.com/apache/apisix-helm-chart/issues/343#issuecomment-1322125736

   > Ah, ok. I am not sure where I read this, because I cannot find it now, but I thought that IngressClass was required after 1.19.
   
   You can mark a particular IngressClass as default for your cluster. Setting the `ingressclass.kubernetes.io/is-default-class` annotation to `true` on an IngressClass resource will ensure that new Ingresses without an `ingressClassName` field specified will be assigned this default IngressClass.
   
   > Caution: If you have more than one IngressClass marked as the default for your cluster, the admission controller prevents creating new Ingress objects that don't have an ingressClassName specified. You can resolve this by ensuring that at most 1 IngressClass is marked as default in your cluster.
   
   There are some ingress controllers, that work without the definition of a default `IngressClass`. For example, the Ingress-NGINX controller can be configured with a [flag](https://kubernetes.github.io/ingress-nginx/#what-is-the-flag-watch-ingress-without-class) `--watch-ingress-without-class`. It is [recommended](https://kubernetes.github.io/ingress-nginx/#i-have-only-one-instance-of-the-ingresss-nginx-controller-in-my-cluster-what-should-i-do) though, to specify the default `IngressClass`
   
   Reference: https://kubernetes.io/docs/concepts/services-networking/ingress/#default-ingress-class


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