feat(k8s/ingresses): add more granularity to ingress configuration (#4220)

* feat(k8s/configure): separate ingress class name and ingress class type

* feat(k8s/resource-pool): ability to add custom annotations to ingress classes on RP create/edit

* feat(k8s/ingresses): remove 'allow users to use ingress' switch

* feat(k8s/configure): minor UI update

* feat(k8s/resource-pool): minor UI update

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

* refactor(k8s/resource-pool): remove console.log statement

* feat(k8s/resource-pool): update ingress annotation placeholders

* feat(k8s/configure): add pattern form validation on ingress class

* fix(k8s/resource-pool): automatically associate ingress class to ingress

* fix(k8s/resource-pool): fix invalid ingress when updating a resource pool

* fix(k8s/resource-pool): update ingress rewrite target annotation value

* feat(k8s/application): ingress form validation

* fix(k8s/application): squash ingress rules with empty host inside a single one

* feat(k8s/resource-pool): ingress host validation

* fix(k8s/resource-pool): rewrite rewrite option and only display it for ingress of type nginx

* feat(k8s/application): do not expose ingress applications over node port

* feat(k8s/application): add specific notice for ingress

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

api/kubernetes.go

@@ -5,9 +5,8 @@ func KubernetesDefault() KubernetesData {
 		Configuration: KubernetesConfiguration{
 			UseLoadBalancer:  false,
 			UseServerMetrics: false,
-			UseIngress: false,
 			StorageClasses:  []KubernetesStorageClassConfig{},
-			IngressClasses: []string{},
+			IngressClasses: []KubernetesIngressClassConfig{},
 		},
 		Snapshots: []KubernetesSnapshot{},
 	}

api/portainer.go

@@ -332,9 +332,8 @@ type (
 	KubernetesConfiguration struct {
 		UseLoadBalancer  bool                           `json:"UseLoadBalancer"`
 		UseServerMetrics bool                           `json:"UseServerMetrics"`
-		UseIngress       bool                           `json:"UseIngress"`
 		StorageClasses   []KubernetesStorageClassConfig `json:"StorageClasses"`
-		IngressClasses   []string                       `json:"IngressClasses"`
+		IngressClasses   []KubernetesIngressClassConfig `json:"IngressClasses"`
 	}
 
 	// KubernetesStorageClassConfig represents a Kubernetes Storage Class configuration
@@ -345,6 +344,12 @@ type (
 		AllowVolumeExpansion bool     `json:"AllowVolumeExpansion"`
 	}
 
+	// KubernetesIngressClassConfig represents a Kubernetes Ingress Class configuration
+	KubernetesIngressClassConfig struct {
+		Name string `json:"Name"`
+		Type string `json:"Type"`
+	}
+
 	// LDAPGroupSearchSettings represents settings used to search for groups in a LDAP server
 	LDAPGroupSearchSettings struct {
 		GroupBaseDN    string `json:"GroupBaseDN"`