Difference between revisions of "Kind: Ingress"

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{{Draft}}
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{{lowercase}}
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[[v1.19]] (Aug 2020, as of Jul 2024 has been superseded by <code>[[kind: Gateway]]</code>)
  
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* https://kubernetes.io/docs/concepts/services-networking/ingress/
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* https://kind.sigs.k8s.io/docs/user/ingress/
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* https://docs.okd.io/latest/rest_api/network_apis/ingress-networking-k8s-io-v1.html
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* <code>[[helm install my-release ingress-nginx/ingress-nginx]]</code>
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* <code>[[minikube addons enable ingress]]</code>
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* <code>[[spec.rules.host]]</code>
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* <code>rules: [  [[http:]] | [[hosts:]] ]</code>
  
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  apiVersion: extensions/v1beta1
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*  <code>[[acme.cert-manager.io/http01-edit-in-place]]: "true"</code>
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== Official examples ==
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{{kind: Ingress example}}
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https://kind.sigs.k8s.io/docs/user/ingress/
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  apiVersion: [[networking.k8s.io/v1]]
 
  kind: Ingress
 
  kind: Ingress
 
  metadata:
 
  metadata:
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   name: foobar
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   name: example-ingress
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  annotations:
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    nginx.ingress.kubernetes.io/rewrite-target: /$2
 
  spec:
 
  spec:
 
   rules:
 
   rules:
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  - http:
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      paths:
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      - pathType: Prefix
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        path: /foo(/|$)(.*)
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        backend:
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          [[service:]]
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            name: foo-service
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            port:
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              number: 8080
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      - pathType: Prefix
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        path: /bar(/|$)(.*)
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        backend:
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          service:
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            name: bar-service
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            port:
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              number: 8080
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[[TLS]]
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{{kind: ingress tls official}}
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== Examples ==
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=== with tls and issuer annotation for [[cert-manager]] ===
 +
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{{kind: Ingress tls and annotation}}
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=== With tls ===
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{{kind: ingress tls}}
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 +
 +
  .../...
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  status:
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    [[loadBalancer:]]
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      ingress:
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      - hostname: a324242432.elb.ap-southeast-1.amazonaws.com
 +
  .../...
 +
 +
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[[apiVersion]]: [[extensions/]]v1beta1
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[[kind:]] Ingress
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[[metadata:]]
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  name: foobar
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[[spec:]]
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  [[rules:]]
 
   - host: foobar.example.com
 
   - host: foobar.example.com
 
     http:
 
     http:
 
       paths:
 
       paths:
 
       - backend:
 
       - backend:
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           serviceName: foo
+
           [[serviceName]]: foo
 
           servicePort: 8080
 
           servicePort: 8080
 
         path: /
 
         path: /
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 +
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=== [[AKS]] ===
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{{webapprouting.kubernetes.azure.com ex}}
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 +
== Errors ==
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apiVersion: [[networking.k8s.io/v1]]
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kind: Ingress
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metadata:
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  annotations:
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    [[kubernetes.io/ingress.class]]: nginx
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  name: example
 +
  namespace: foo
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spec:
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  rules:
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    - host: www.example.com
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      http:
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        paths:
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          - backend:
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              serviceName: exampleService
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              servicePort: 80
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            path: /
 +
 +
Error from server (BadRequest): error when creating "ingress.yaml": [[Ingress in version "v1" cannot be handled as a Ingress: [[strict decoding error]]: unknown field "[[spec.rules]] [0].http.paths[0].backend.[[serviceName]]", unknown field "spec.rules[0].http.paths[0].backend.servicePort"
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 +
The Ingress "youingress" is invalid: [[spec.rules]][0].http.paths[0].backend: Required value: port name or number is required
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 +
[[Warning  AddedOrUpdatedWithWarning  3s    nginx-ingress-controller  Configuration for default/your-app was added or updated ; with warning(s): TLS secret your-app is invalid: secret doesn't exist or of an unsupported type]]
 +
 +
== Errors ==
 +
{{error validating ingress.yaml}}
  
 
== Related terms ==
 
== Related terms ==
−
* [[Ingress]]
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* [[Kubernetes: Ingress controllers]]
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* <code>[[kubectl get ingress]]</code>
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* <code>[[kubectl get ingress]], [[kubectl describe ingress]]</code>
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* <code>[[kind: ConfigMap]]</code>
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* <code>[[kind: IngressClass]]</code>
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* <code>[[pathType:]] [[ImplementationSpecific]]</code>
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* <code>[[field.cattle.io/publicEndpoints]]</code>
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* <code>[[cattle.io/creator: norman]]</code>
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* <code>[[.local]]</code>
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* <code>[[Address:]]</code>
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* <code>[[kubectl apply -f ingress.yaml]]</code>
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* <code>[[Ingress-nginx-controller ConfigMap]]</code>
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* <code>[[IngressSpec.spec.tls]]</code>
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* <code>[[labels:]]</code>
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* <code>[[kubectl expose deployment]]</code>
  
 
== See also ==
 
== See also ==
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* {{kind}}
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* {{kind: Ingress}}
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* {{K8s}}
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* {{networking.k8s.io}}
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* {{kubectl ingress}}
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* {{Ingress}}
 +
 
 +
[[Category:K8s]]

Latest revision as of 06:25, 23 July 2024

v1.19 (Aug 2020, as of Jul 2024 has been superseded by kind: Gateway)

Official examples[edit]

 apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: minimal-ingress
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
spec:
  ingressClassName: nginx-example
  rules:
  - http:
      paths:
      - path: /testpath
        pathType: Prefix
        backend:
          service:
            name: test
            port:
              number: 80

https://kind.sigs.k8s.io/docs/user/ingress/
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: example-ingress
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /$2
spec:
  rules:
  - http:
      paths:
      - pathType: Prefix
        path: /foo(/|$)(.*)
        backend:
          service:
            name: foo-service
            port:
              number: 8080
      - pathType: Prefix
        path: /bar(/|$)(.*)
        backend:
          service:
            name: bar-service
            port:
              number: 8080

TLS 

 apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: tls-example-ingress
spec:
  tls:
  - hosts:
      - https-example.foo.com
    secretName: testsecret-tls
  rules:
  - host: https-example.foo.com
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: service1
            port:
              number: 80

Examples[edit]

with tls and issuer annotation for cert-manager[edit]

 apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: kuard
  annotations:
    cert-manager.io/issuer: "letsencrypt-staging"

spec:
  ingressClassName: nginx
  tls:
  - hosts:
    - example.example.com
    secretName: quickstart-example-tls
  rules:
  - host: example.example.com
    http:
      paths:
       - path: /
         pathType: Prefix
         backend:
           service:
             name: kuard
            port:
              number: 80

With tls[edit]

 apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  annotations:
    kubernetes.io/ingress.class: nginx
  name: example
  namespace: foo
spec:
  rules:
    - host: www.example.com
      http:
        paths:
          - backend:
              serviceName: exampleService
              servicePort: 80
            path: /
  # This section is only required if TLS is to be enabled for the Ingress
  tls:
      - hosts:
          - www.example.com
        secretName: example-tls



 .../...
 status:
   loadBalancer:
     ingress:
     - hostname: a324242432.elb.ap-southeast-1.amazonaws.com
 .../...



apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: foobar
spec:
  rules:
  - host: foobar.example.com
    http:
      paths:
      - backend:
          serviceName: foo
          servicePort: 8080
        path: /


AKS[edit]

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: aks-helloworld
  namespace: hello-web-app-routing
spec:
  ingressClassName: webapprouting.kubernetes.azure.com
  rules:
  - host: <Hostname>
    http:
      paths:
      - backend:
          service:
           name: aks-helloworld
           port:
             number: 80
        path: /
        pathType: Prefix

Errors[edit]

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    kubernetes.io/ingress.class: nginx
  name: example
  namespace: foo
spec:
  rules:
    - host: www.example.com
      http:
        paths:
          - backend:
              serviceName: exampleService
              servicePort: 80
            path: /

Error from server (BadRequest): error when creating "ingress.yaml": [[Ingress in version "v1" cannot be handled as a Ingress: strict decoding error: unknown field "spec.rules [0].http.paths[0].backend.serviceName", unknown field "spec.rules[0].http.paths[0].backend.servicePort"

The Ingress "youingress" is invalid: spec.rules[0].http.paths[0].backend: Required value: port name or number is required

Warning  AddedOrUpdatedWithWarning  3s    nginx-ingress-controller  Configuration for default/your-app was added or updated ; with warning(s): TLS secret your-app is invalid: secret doesn't exist or of an unsupported type

Errors[edit]

 error: error validating "ingress.yaml": error validating data: [ValidationError(Ingress.spec.rules[0].http.paths[0].backend): unknown field "serviceName" in io.k8s.api.networking.v1.IngressBackend, ValidationError(Ingress.spec.rules[0].http.paths[0].backend): unknown field "servicePort" in io.k8s.api.networking.v1.IngressBackend]; if you choose to ignore these errors, turn validation off with --validate=false
error: error parsing ingress.yaml: error converting YAML to JSON: yaml: line 16: mapping values are not allowed in this context
The Ingress "youingress" is invalid: spec.rules[0].http.paths[0].backend: Required value: port name or number is required
Warning  Rejected  31s   nginx-ingress-controller  spec.rules(0).host: Required value

Related terms[edit]

See also[edit]

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