Kubernetes: Ingress controllers

An API object that manages external access to the services in a cluster, typically HTTP. Ingress can provide load balancing, SSL termination and name-based virtual hosting.

• https://kubernetes.io/docs/concepts/services-networking/ingress-controllers/
• https://kubernetes.io/docs/concepts/services-networking/ingress/

• kind: Ingress

Available Ingress controllers

• Nginx
• Traefik
• AWS Load Balancer Controller

Changes

• GA in Release 1.19 (Aug 2020)
• v1.18 (Mar 2020) New pathType resources: Exact, Prefix
• Ingresses can specify the class they are associated with by using a new ingressClassName field on Ingresses

• PathType: ImplementationSpecific(default), Exact, Prefix https://kubernetes.io/docs/concepts/services-networking/ingress/#path-types

• IngressClass resource

Related terms

• kubectl get ingress
• kubectl describe ingress
• minikube addons enable ingress
• Kong: kubectl edit ingresses.extensions kong-proxy
• Egress
• Istio service mesh
• kubectl api-resources
• Kubernetes controllers
• annotations:
• CKA 1.23: Know how to use Ingress controllers and Ingress resources

Activities

• CKA v1.18: Know how to use Ingress rules
• Read Improvements to the Ingress API in Kubernetes 1.18 https://kubernetes.io/blog/2020/04/02/improvements-to-the-ingress-api-in-kubernetes-1.18/

See also

• kubectl create ingress | kubectl get ingress, kubectl describe ingress, Kong, Kubernetes Gateway API, kubectl apply -f ingress.yaml
• Ingress controllers, NGINX Ingress Controller, minikube addons enable ingress, kubectl get ingress, kubectl get ingressclass, kubectl describe ingress, Ingress:, Ingress API, AWS Load Balancer Controller, Envoy Proxy, GKE Ingress, Kubernetes Gateway API, ingress.k8s.aws, ingresses.networking.k8s.io, kind: Ingress: ( tls:, hosts: ), SuccessfullyReconciled
• kubectl: [ cp | config | create | delete | edit | explain | apply | exec | get | set | drain | uncordon | rolling-update | rollout | logs | run | auth | label | annotate | version | top | diff | debug | replace | describe | port-forward | proxy | scale | rollout | api-resources | expose deployment | expose | patch | attach | get endpoints | ~/.kube/config | kubectl logs --help | kubectl --help, kubectl-convert, kubectl autoscale, kubectl.kubernetes.io
• Kubernetes: distributions, tools, CKA, CKS, Kubernetes interfaces: CSI, CNI, installation, workloads, networking, kubeadm, Kubernetes API, Kubernetes API Server, kubectl, kubeadm, kubelet, kube-proxy, Cloud services: EKS, GKE, TKE, DKS, Helm, Kubernetes RBAC, Kubernetes deployments, Minikube, Rancher, OpenShift, Charmed Kubernetes, Ingress, Kubernetes scheduler, Kubernetes Finalizers, logging, Kubernetes operator, Orka, kind:, Kubernetes namespaces, Kubernetes dashboard, Kubernetes Metrics Server, Field Selectors, CoreDNS, CRI, Kubernetes Topology Manager, Kubernetes governance: (SIG, KEP), Kustomize, controllers, ReadinessProbe, LivenessProbe, KOPS, K9s, Kui, k3s, ImagePullBackOff, PDB, EndPoints, Kots, metadata, Karpenter, Replicated.com, Kubernetes Authenticating, Kubernetes timeline, Changelog/Versions, service accounts, Kubernetes Pod Lifecycle, Kubernetes Conformance Certified, Kubernetes backup, Kubernetes Pod Security Admission, tEKS, Kubernetes events, Kubernetes ports, Kubernetes policies, Connect, addons, DoKC, Kubernetes control plane, Kubernetes Federation, Kubernetes info, Kubetest2, Sidecar (Kubernetes)