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Merge pull request #31831 from PriyanshuAhlawat/update

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Updated the default backend for ingress controller issue-31465
This commit is contained in:
Kubernetes Prow Robot
2022-03-13 20:48:20 -07:00
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parent fc0e066ce3 c855463d3d
commit b35813abf6
1 changed files with 13 additions and 7 deletions
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content/en/docs/concepts/services-networking/ingress.md
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@@ -88,13 +88,13 @@ has all the information needed to configure a load balancer or proxy server. Mos
contains a list of rules matched against all incoming requests. Ingress resource only supports rules contains a list of rules matched against all incoming requests. Ingress resource only supports rules
for directing HTTP(S) traffic. for directing HTTP(S) traffic.
If the `ingressClassName` is omitted, a [default Ingress class](#default-ingress-class) If the `ingressClassName` is omitted, a [default Ingress class](#default-ingress-class)
should be defined. should be defined.
There are some ingress controllers, that work without the definition of a There are some ingress controllers, that work without the definition of a
default `IngressClass`. For example, the Ingress-NGINX controller can be 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) 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 `--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` as shown [below](#default-ingress-class). default `IngressClass` as shown [below](#default-ingress-class).
### Ingress rules ### Ingress rules
@@ -118,8 +118,14 @@ match a path in the spec.
### DefaultBackend {#default-backend} ### DefaultBackend {#default-backend}
An Ingress with no rules sends all traffic to a single default backend. The `defaultBackend` is conventionally a configuration option An Ingress with no rules sends all traffic to a single default backend and `.spec.defaultBackend`
of the [Ingress controller](/docs/concepts/services-networking/ingress-controllers) and is not specified in your Ingress resources. is the backend that should handle requests in that case.
The `defaultBackend` is conventionally a configuration option of the
[Ingress controller](/docs/concepts/services-networking/ingress-controllers) and
is not specified in your Ingress resources.
If no `.spec.rules` are specified, `.spec.defaultBackend` must be specified.
If `defaultBackend` is not set, the handling of requests that do not match any of the rules will be up to the
ingress controller (consult the documentation for your ingress controller to find out how it handles this case).
If none of the hosts or paths match the HTTP request in the Ingress objects, the traffic is If none of the hosts or paths match the HTTP request in the Ingress objects, the traffic is
routed to your default backend. routed to your default backend.