added notifications for openapi3 provider (#178)

* added notifications for openapi3 provider

* added nolint:unparam to bypass golint

Author: Devaansh-Kumar

pkg/i2gw/providers/openapi3/converter.go

@@ -36,6 +36,7 @@ import (
 
 	"github.com/kubernetes-sigs/ingress2gateway/pkg/i2gw"
 	"github.com/kubernetes-sigs/ingress2gateway/pkg/i2gw/intermediate"
+	"github.com/kubernetes-sigs/ingress2gateway/pkg/i2gw/notifications"
 	"github.com/kubernetes-sigs/ingress2gateway/pkg/i2gw/providers/common"
 )
 
@@ -121,17 +122,21 @@ func (c *resourcesToIRConverter) Convert(storage Storage) (intermediate.IR, fiel
 		httpRoutes, gateways := c.toHTTPRoutesAndGateways(spec, resourcesNamePrefix, errors)
 		for _, httpRoute := range httpRoutes {
 			ir.HTTPRoutes[types.NamespacedName{Name: httpRoute.GetName(), Namespace: httpRoute.GetNamespace()}] = intermediate.HTTPRouteContext{HTTPRoute: httpRoute}
+			notify(notifications.InfoNotification, fmt.Sprintf("successfully created HTTPRoute \"%v/%v\" from OpenAPI spec \"%v\"", httpRoute.Namespace, httpRoute.Name, spec.Info.Title))
 		}
 
 		// build reference grants for the resources
 		if referenceGrant := c.buildHTTPRouteBackendReferenceGrant(); referenceGrant != nil {
 			ir.ReferenceGrants[types.NamespacedName{Name: referenceGrant.GetName(), Namespace: referenceGrant.GetNamespace()}] = *referenceGrant
+			notify(notifications.InfoNotification, fmt.Sprintf("successfully created ReferenceGrant \"%v/%v\" from OpenAPI spec \"%v\"", referenceGrant.Namespace, referenceGrant.Name, spec.Info.Title))
 		}
 		for _, gateway := range gateways {
 			ir.Gateways[types.NamespacedName{Name: gateway.GetName(), Namespace: gateway.GetNamespace()}] = intermediate.GatewayContext{Gateway: gateway}
 			if referenceGrant := c.buildGatewayTLSSecretReferenceGrant(gateway); referenceGrant != nil {
 				ir.ReferenceGrants[types.NamespacedName{Name: referenceGrant.GetName(), Namespace: referenceGrant.GetNamespace()}] = *referenceGrant
+				notify(notifications.InfoNotification, fmt.Sprintf("successfully created ReferenceGrant \"%v/%v\" from OpenAPI spec \"%v\"", referenceGrant.Namespace, referenceGrant.Name, spec.Info.Title))
 			}
+			notify(notifications.InfoNotification, fmt.Sprintf("successfully created Gateway \"%v/%v\" from OpenAPI spec \"%v\"", gateway.Namespace, gateway.Name, spec.Info.Title))
 		}
 	}
 

pkg/i2gw/providers/openapi3/notification.go

@@ -0,0 +1,27 @@
+/*
+Copyright 2024 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package openapi3
+
+import (
+	"github.com/kubernetes-sigs/ingress2gateway/pkg/i2gw/notifications"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+)
+
+func notify(mType notifications.MessageType, message string, callingObject ...client.Object) { //nolint:unparam
+	newNotification := notifications.NewNotification(mType, message, callingObject...)
+	notifications.NotificationAggr.DispatchNotification(newNotification, string(ProviderName))
+}