feat(k8s/applications): expose applications via ingress (#4136)

* feat(k8s/endpoint): expose ingress controllers on endpoints

* feat(k8s/applications): add ability to expose applications over ingress - missing RP and app edits

* feat(k8s/application): add validation for ingress routes

* feat(k8s/resource-pools): edit available ingress classes

* fix(k8s/ingress): var name refactor was partially applied

* feat(kubernetes): double validation on RP edit

* feat(k8s/application): app edit ingress update + formvalidation + UI rework

* feat(k8s/ingress): dictionary for default annotations on ingress creation

* fix(k8s/application): temporary fix + TODO dev notice

* feat(k8s/application): select default ingress of selected resource pool

* feat(k8s/ingress): revert ingressClassName removal

* feat(k8s/ingress): admins can now add an host to ingress in a resource pool

* feat(k8s/resource-pool): list applications using RP ingresses

* feat(k8s/configure): minor UI update

* feat(k8s/configure): minor UI update

* feat(k8s/configure): minor UI update

* feat(k8s/configure): minor UI update

* feat(k8s/configure): minor UI update

* fix(k8s/ingresses): remove host if undefined

* feat(k8s/resource-pool): remove the activate ingresses switch

* fix(k8s/resource-pool): edditing an ingress host was deleting all the routes of the ingress

* feat(k8s/application): prevent app deploy if no ports to publish and publishing type not internal

* feat(k8s/ingress): minor UI update

* fix(k8s/ingress): allow routes without prepending /

* feat(k8s/application): add form validation on ingress route

Co-authored-by: Anthony Lapenna <lapenna.anthony@gmail.com>

api/portainer.go

@@ -332,7 +332,9 @@ type (
 	KubernetesConfiguration struct {
 		UseLoadBalancer  bool                           `json:"UseLoadBalancer"`
 		UseServerMetrics bool                           `json:"UseServerMetrics"`
+		UseIngress       bool                           `json:"UseIngress"`
 		StorageClasses   []KubernetesStorageClassConfig `json:"StorageClasses"`
+		IngressClasses   []string                       `json:"IngressClasses"`
 	}
 
 	// KubernetesStorageClassConfig represents a Kubernetes Storage Class configuration