Qiming Teng
0bdcd44e6b
We are referencing the redirect entries in the docs, at many places. These references should be updated to the correct content page.
76 lines
5.3 KiB
Markdown
76 lines
5.3 KiB
Markdown
---
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title: Ingress Controllers
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reviewers:
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content_type: concept
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weight: 40
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---
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<!-- overview -->
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In order for the Ingress resource to work, the cluster must have an ingress controller running.
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Unlike other types of controllers which run as part of the `kube-controller-manager` binary, Ingress controllers
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are not started automatically with a cluster. Use this page to choose the ingress controller implementation
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that best fits your cluster.
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Kubernetes as a project currently supports and maintains [GCE](https://git.k8s.io/ingress-gce/README.md) and
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[nginx](https://git.k8s.io/ingress-nginx/README.md) controllers.
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<!-- body -->
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## Additional controllers
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* [AKS Application Gateway Ingress Controller](https://github.com/Azure/application-gateway-kubernetes-ingress) is an ingress controller that enables ingress to [AKS clusters](https://docs.microsoft.com/azure/aks/kubernetes-walkthrough-portal) using the [Azure Application Gateway](https://docs.microsoft.com/azure/application-gateway/overview).
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* [Ambassador](https://www.getambassador.io/) API Gateway is an [Envoy](https://www.envoyproxy.io) based ingress
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controller with [community](https://www.getambassador.io/docs) or
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[commercial](https://www.getambassador.io/pro/) support from [Datawire](https://www.datawire.io/).
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* [AppsCode Inc.](https://appscode.com) offers support and maintenance for the most widely used [HAProxy](https://www.haproxy.org/) based ingress controller [Voyager](https://appscode.com/products/voyager).
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* [AWS ALB Ingress Controller](https://github.com/kubernetes-sigs/aws-alb-ingress-controller) enables ingress using the [AWS Application Load Balancer](https://aws.amazon.com/elasticloadbalancing/).
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* [Contour](https://projectcontour.io/) is an [Envoy](https://www.envoyproxy.io/) based ingress controller
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provided and supported by VMware.
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* Citrix provides an [Ingress Controller](https://github.com/citrix/citrix-k8s-ingress-controller) for its hardware (MPX), virtualized (VPX) and [free containerized (CPX) ADC](https://www.citrix.com/products/citrix-adc/cpx-express.html) for [baremetal](https://github.com/citrix/citrix-k8s-ingress-controller/tree/master/deployment/baremetal) and [cloud](https://github.com/citrix/citrix-k8s-ingress-controller/tree/master/deployment) deployments.
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* F5 Networks provides [support and maintenance](https://support.f5.com/csp/article/K86859508)
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for the [F5 BIG-IP Container Ingress Services for Kubernetes](https://clouddocs.f5.com/containers/latest/userguide/kubernetes/).
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* [Gloo](https://gloo.solo.io) is an open-source ingress controller based on [Envoy](https://www.envoyproxy.io) which offers API Gateway functionality with enterprise support from [solo.io](https://www.solo.io).
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* [HAProxy Ingress](https://haproxy-ingress.github.io) is a highly customizable community-driven ingress controller for HAProxy.
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* [HAProxy Technologies](https://www.haproxy.com/) offers support and maintenance for the [HAProxy Ingress Controller for Kubernetes](https://github.com/haproxytech/kubernetes-ingress). See the [official documentation](https://www.haproxy.com/documentation/hapee/1-9r1/traffic-management/kubernetes-ingress-controller/).
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* [Istio](https://istio.io/) based ingress controller
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[Control Ingress Traffic](https://istio.io/docs/tasks/traffic-management/ingress/).
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* [Kong](https://konghq.com/) offers [community](https://discuss.konghq.com/c/kubernetes) or
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[commercial](https://konghq.com/kong-enterprise/) support and maintenance for the
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[Kong Ingress Controller for Kubernetes](https://github.com/Kong/kubernetes-ingress-controller).
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* [NGINX, Inc.](https://www.nginx.com/) offers support and maintenance for the
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[NGINX Ingress Controller for Kubernetes](https://www.nginx.com/products/nginx/kubernetes-ingress-controller).
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* [Skipper](https://opensource.zalando.com/skipper/kubernetes/ingress-controller/) HTTP router and reverse proxy for service composition, including use cases like Kubernetes Ingress, designed as a library to build your custom proxy
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* [Traefik](https://github.com/containous/traefik) is a fully featured ingress controller
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([Let's Encrypt](https://letsencrypt.org), secrets, http2, websocket), and it also comes with commercial
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support by [Containous](https://containo.us/services).
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## Using multiple Ingress controllers
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You may deploy [any number of ingress controllers](https://git.k8s.io/ingress-nginx/docs/user-guide/multiple-ingress.md#multiple-ingress-controllers)
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within a cluster. When you create an ingress, you should annotate each ingress with the appropriate
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[`ingress.class`](https://git.k8s.io/ingress-gce/docs/faq/README.md#how-do-i-run-multiple-ingress-controllers-in-the-same-cluster)
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to indicate which ingress controller should be used if more than one exists within your cluster.
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If you do not define a class, your cloud provider may use a default ingress controller.
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Ideally, all ingress controllers should fulfill this specification, but the various ingress
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controllers operate slightly differently.
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{{< note >}}
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Make sure you review your ingress controller's documentation to understand the caveats of choosing it.
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{{< /note >}}
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## {{% heading "whatsnext" %}}
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* Learn more about [Ingress](/docs/concepts/services-networking/ingress/).
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* [Set up Ingress on Minikube with the NGINX Controller](/docs/tasks/access-application-cluster/ingress-minikube).
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