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  • What is ingress
  • What is ingress controller
  • Contour
  • What problems it solves

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  1. K8S Related
  2. K8S Networking

Ingress

PreviousK8S NetworkingNextEndpoints

Last updated 5 years ago

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What is ingress

exposes HTTP and HTTPS routes from outside the cluster to within the cluster. Traffic routing is controlled by rules defined on the Ingress resource.

    internet
        |
   [ Ingress ]
   --|-----|--
   [ Services ]

An Ingress can be configured to give Services externally-reachable URLs, load balance traffic, terminate SSL / TLS, and offer name based virtual hosting. An Ingress does not expose arbitrary ports or protocols. Exposing services other than HTTP and HTTPS to the internet typically uses a service of type or .

What is ingress controller

An is responsible for fulfilling the Ingress, usually with a load balancer, though it may also configure your edge router or additional frontends to help handle the traffic.

The following are some of the ingress controllers I have played with:

Contour

Youtube

What problems it solves

Ingress
services
Service.Type=NodePort
Service.Type=LoadBalancer
Ingress controller
link