issue-118, k8s resource events for Cluster network firewall rule resource is implemented

config/samples/clusterresources_v1alpha1_clusternetworkfirewallrule.yaml

@@ -10,5 +10,5 @@ metadata:
   name: clusternetworkfirewallrule-sample
 spec:
   network: 62.212.64.19/32
-  clusterId: bb7166e4-cffa-48e7-8f0a-5ee32873b750
-  type: CASSANDRA_CQL
+  clusterId: 944cfe6b-441f-4c5a-865b-42fd40c7d816
+  type: KAFKA

controllers/clusterresources/clusternetworkfirewallrule_controller.go

@@ -23,6 +23,7 @@ import (
 	"github.com/go-logr/logr"
 	k8serrors "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/tools/record"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/builder"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -45,21 +46,19 @@ const (
 // ClusterNetworkFirewallRuleReconciler reconciles a ClusterNetworkFirewallRule object
 type ClusterNetworkFirewallRuleReconciler struct {
 	client.Client
-	Scheme    *runtime.Scheme
-	API       instaclustr.API
-	Scheduler scheduler.Interface
+	Scheme        *runtime.Scheme
+	API           instaclustr.API
+	Scheduler     scheduler.Interface
+	EventRecorder record.EventRecorder
 }
 
 //+kubebuilder:rbac:groups=clusterresources.instaclustr.com,resources=clusternetworkfirewallrules,verbs=get;list;watch;create;update;patch;delete
 //+kubebuilder:rbac:groups=clusterresources.instaclustr.com,resources=clusternetworkfirewallrules/status,verbs=get;update;patch
 //+kubebuilder:rbac:groups=clusterresources.instaclustr.com,resources=clusternetworkfirewallrules/finalizers,verbs=update
+//+kubebuilder:rbac:groups="",resources=events,verbs=create;patch
 
 // Reconcile is part of the main kubernetes reconciliation loop which aims to
 // move the current state of the cluster closer to the desired state.
-// TODO(user): Modify the Reconcile function to compare the state specified by
-// the ClusterNetworkFirewallRule object against the actual cluster state, and then
-// perform operations to make the cluster state reflect the state specified by
-// the user.
 //
 // For more details, check Reconcile and its Result here:
 // - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.13.0/pkg/reconcile
@@ -121,14 +120,29 @@ func (r *ClusterNetworkFirewallRuleReconciler) HandleCreateFirewallRule(
 				err, "Cannot create cluster network firewall rule",
 				"spec", firewallRule.Spec,
 			)
+			r.EventRecorder.Eventf(
+				firewallRule, models.Warning, models.CreationFailed,
+				"Resource creation on the Instaclustr is failed. Reason: %v",
+				err,
+			)
 			return models.ReconcileRequeue
 		}
 
+		r.EventRecorder.Eventf(
+			firewallRule, models.Normal, models.Created,
+			"Resource creation request is sent",
+		)
+
 		firewallRule.Status.FirewallRuleStatus = *firewallRuleStatus
 
 		err = r.Status().Patch(ctx, firewallRule, patch)
 		if err != nil {
 			l.Error(err, "Cannot patch cluster network firewall rule status ", "ID", firewallRule.Status.ID)
+			r.EventRecorder.Eventf(
+				firewallRule, models.Warning, models.PatchFailed,
+				"Resource status patch is failed. Reason: %v",
+				err,
+			)
 			return models.ReconcileRequeue
 		}
 
@@ -141,6 +155,11 @@ func (r *ClusterNetworkFirewallRuleReconciler) HandleCreateFirewallRule(
 				"cluster ID", firewallRule.Spec.ClusterID,
 				"type", firewallRule.Spec.Type,
 			)
+			r.EventRecorder.Eventf(
+				firewallRule, models.Warning, models.PatchFailed,
+				"Resource patch is failed. Reason: %v",
+				err,
+			)
 			return models.ReconcileRequeue
 		}
 
@@ -155,9 +174,19 @@ func (r *ClusterNetworkFirewallRuleReconciler) HandleCreateFirewallRule(
 	if err != nil {
 		l.Error(err, "Cannot start cluster network firewall rule status checker job",
 			"firewall rule ID", firewallRule.Status.ID)
+		r.EventRecorder.Eventf(
+			firewallRule, models.Warning, models.CreationFailed,
+			"Resource status job creation is failed. Reason: %v",
+			err,
+		)
 		return models.ReconcileRequeue
 	}
 
+	r.EventRecorder.Eventf(
+		firewallRule, models.Normal, models.Created,
+		"Resource status check job is started",
+	)
+
 	return models.ExitReconcile
 }
 
@@ -186,6 +215,11 @@ func (r *ClusterNetworkFirewallRuleReconciler) HandleDeleteFirewallRule(
 			"cluster ID", firewallRule.Spec.ClusterID,
 			"type", firewallRule.Spec.Type,
 		)
+		r.EventRecorder.Eventf(
+			firewallRule, models.Warning, models.PatchFailed,
+			"Resource patch is failed. Reason: %v",
+			err,
+		)
 		return models.ReconcileRequeue
 	}
 
@@ -196,6 +230,11 @@ func (r *ClusterNetworkFirewallRuleReconciler) HandleDeleteFirewallRule(
 			"cluster ID", firewallRule.Spec.ClusterID,
 			"type", firewallRule.Spec.Type,
 		)
+		r.EventRecorder.Eventf(
+			firewallRule, models.Warning, models.FetchFailed,
+			"Fetch resource from the Instaclustr API is failed. Reason: %v",
+			err,
+		)
 		return models.ReconcileRequeue
 	}
 
@@ -207,23 +246,35 @@ func (r *ClusterNetworkFirewallRuleReconciler) HandleDeleteFirewallRule(
 				"cluster ID", firewallRule.Spec.ClusterID,
 				"type", firewallRule.Spec.Type,
 			)
+			r.EventRecorder.Eventf(
+				firewallRule, models.Warning, models.DeletionFailed,
+				"Resource deletion on the Instaclustr is failed. Reason: %v",
+				err,
+			)
 			return models.ReconcileRequeue
 		}
 
-		return models.ReconcileRequeue
+		r.EventRecorder.Eventf(
+			firewallRule, models.Normal, models.DeletionStarted,
+			"Resource deletion request is sent to the Instaclustr API.",
+		)
 	}
 
 	r.Scheduler.RemoveJob(firewallRule.GetJobID(scheduler.StatusChecker))
 	controllerutil.RemoveFinalizer(firewallRule, models.DeletionFinalizer)
 	firewallRule.Annotations[models.ResourceStateAnnotation] = models.DeletedEvent
-
 	err = r.Patch(ctx, firewallRule, patch)
 	if err != nil {
 		l.Error(err, "Cannot patch cluster network firewall rule metadata",
 			"cluster ID", firewallRule.Spec.ClusterID,
 			"type", firewallRule.Spec.Type,
 			"status", firewallRule.Status,
 		)
+		r.EventRecorder.Eventf(
+			firewallRule, models.Warning, models.PatchFailed,
+			"Resource patch is failed. Reason: %v",
+			err,
+		)
 		return models.ReconcileRequeue
 	}
 
@@ -233,6 +284,11 @@ func (r *ClusterNetworkFirewallRuleReconciler) HandleDeleteFirewallRule(
 		"status", firewallRule.Status,
 	)
 
+	r.EventRecorder.Eventf(
+		firewallRule, models.Normal, models.Deleted,
+		"Resource is deleted",
+	)
+
 	return models.ExitReconcile
 }
 

controllers/clusterresources/suite_test.go

@@ -127,10 +127,11 @@ var _ = BeforeSuite(func() {
 	Expect(err).ToNot(HaveOccurred())
 
 	err = (&ClusterNetworkFirewallRuleReconciler{
-		Client:    k8sManager.GetClient(),
-		Scheme:    k8sManager.GetScheme(),
-		API:       MockInstAPI,
-		Scheduler: scheduler.NewScheduler(logf.Log),
+		Client:        k8sManager.GetClient(),
+		Scheme:        k8sManager.GetScheme(),
+		API:           MockInstAPI,
+		Scheduler:     scheduler.NewScheduler(logf.Log),
+		EventRecorder: eRecorder,
 	}).SetupWithManager(k8sManager)
 	Expect(err).ToNot(HaveOccurred())
 

main.go

@@ -217,10 +217,11 @@ func main() {
 		os.Exit(1)
 	}
 	if err = (&clusterresourcescontrollers.ClusterNetworkFirewallRuleReconciler{
-		Client:    mgr.GetClient(),
-		Scheme:    mgr.GetScheme(),
-		API:       instaClient,
-		Scheduler: s,
+		Client:        mgr.GetClient(),
+		Scheme:        mgr.GetScheme(),
+		API:           instaClient,
+		Scheduler:     s,
+		EventRecorder: eventRecorder,
 	}).SetupWithManager(mgr); err != nil {
 		setupLog.Error(err, "unable to create controller", "controller", "ClusterNetworkFirewallRule")
 		os.Exit(1)