Add base code for the TemplateManagement reconciler

cmd/main.go

@@ -220,6 +220,15 @@ func main() {
 		setupLog.Error(err, "unable to create controller", "controller", "Management")
 		os.Exit(1)
 	}
+	if err = (&controller.TemplateManagementReconciler{
+		Client:          mgr.GetClient(),
+		Scheme:          mgr.GetScheme(),
+		Config:          mgr.GetConfig(),
+		SystemNamespace: currentNamespace,
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "TemplateManagement")
+		os.Exit(1)
+	}
 	if err = mgr.Add(&controller.Poller{
 		Client:                    mgr.GetClient(),
 		Config:                    mgr.GetConfig(),

internal/controller/templatemanagement_controller.go

@@ -0,0 +1,59 @@
+// Copyright 2024
+//
+// 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 controller
+
+import (
+	"context"
+
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/rest"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/log"
+
+	hmc "github.com/Mirantis/hmc/api/v1alpha1"
+)
+
+// TemplateManagementReconciler reconciles a TemplateManagement object
+type TemplateManagementReconciler struct {
+	client.Client
+	Scheme          *runtime.Scheme
+	Config          *rest.Config
+	SystemNamespace string
+}
+
+func (r *TemplateManagementReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
+	l := log.FromContext(ctx).WithValues("TemplateManagementController", req.NamespacedName)
+	log.IntoContext(ctx, l)
+	l.Info("Reconciling TemplateManagement")
+	templateMgmt := &hmc.TemplateManagement{}
+	if err := r.Get(ctx, req.NamespacedName, templateMgmt); err != nil {
+		if apierrors.IsNotFound(err) {
+			l.Info("TemplateManagement not found, ignoring since object must be deleted")
+			return ctrl.Result{}, nil
+		}
+		l.Error(err, "Failed to get TemplateManagement")
+		return ctrl.Result{}, err
+	}
+	return ctrl.Result{}, nil
+}
+
+// SetupWithManager sets up the controller with the Manager.
+func (r *TemplateManagementReconciler) SetupWithManager(mgr ctrl.Manager) error {
+	return ctrl.NewControllerManagedBy(mgr).
+		For(&hmc.TemplateManagement{}).
+		Complete(r)
+}

internal/controller/templatemanagement_controller_test.go

@@ -0,0 +1,80 @@
+// Copyright 2024
+//
+// 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 controller
+
+import (
+	"context"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/types"
+	"sigs.k8s.io/controller-runtime/pkg/reconcile"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	hmcmirantiscomv1alpha1 "github.com/Mirantis/hmc/api/v1alpha1"
+)
+
+var _ = Describe("Template Management Controller", func() {
+	Context("When reconciling a resource", func() {
+		const resourceName = "test-resource"
+
+		ctx := context.Background()
+
+		typeNamespacedName := types.NamespacedName{
+			Name: resourceName,
+		}
+		templateMgmt := &hmcmirantiscomv1alpha1.TemplateManagement{}
+
+		BeforeEach(func() {
+			By("creating the custom resource for the Kind TemplateManagement")
+			err := k8sClient.Get(ctx, typeNamespacedName, templateMgmt)
+			if err != nil && errors.IsNotFound(err) {
+				resource := &hmcmirantiscomv1alpha1.TemplateManagement{
+					ObjectMeta: metav1.ObjectMeta{
+						Name: resourceName,
+					},
+					// TODO(user): Specify other spec details if needed.
+				}
+				Expect(k8sClient.Create(ctx, resource)).To(Succeed())
+			}
+		})
+
+		AfterEach(func() {
+			// TODO(user): Cleanup logic after each test, like removing the resource instance.
+			resource := &hmcmirantiscomv1alpha1.TemplateManagement{}
+			err := k8sClient.Get(ctx, typeNamespacedName, resource)
+			Expect(err).NotTo(HaveOccurred())
+
+			By("Cleanup the specific resource instance TemplateManagement")
+			Expect(k8sClient.Delete(ctx, resource)).To(Succeed())
+		})
+		It("should successfully reconcile the resource", func() {
+			By("Reconciling the created resource")
+			controllerReconciler := &TemplateManagementReconciler{
+				Client: k8sClient,
+				Scheme: k8sClient.Scheme(),
+			}
+
+			_, err := controllerReconciler.Reconcile(ctx, reconcile.Request{
+				NamespacedName: typeNamespacedName,
+			})
+			Expect(err).NotTo(HaveOccurred())
+			// TODO(user): Add more specific assertions depending on your controller's reconciliation logic.
+			// Example: If you expect a certain status condition after reconciliation, verify it here.
+		})
+	})
+})

templates/provider/hmc/templates/rbac/roles.yaml

@@ -6,12 +6,12 @@ metadata:
   {{- include "hmc.labels" . | nindent 4 }}
 rules:
 - apiGroups:
-    - cluster.x-k8s.io
+  - cluster.x-k8s.io
   resources:
-    - clusters
+  - clusters
   verbs:
-    - get
-    - list
+  - get
+  - list
 - apiGroups:
   - helm.toolkit.fluxcd.io
   resources:
@@ -62,6 +62,16 @@ rules:
   - patch
   - update
   - watch
+- apiGroups:
+  - hmc.mirantis.com
+  resources:
+  - templatemanagements
+  verbs:
+  - get
+  - list
+  - patch
+  - update
+  - watch
 - apiGroups:
   - hmc.mirantis.com
   resources:
@@ -72,6 +82,7 @@ rules:
   - hmc.mirantis.com
   resources:
   - managements/status
+  - templatemanagements/status
   verbs:
   - get
   - patch