Creation of all the resources of the xapp.

[ric-plt/ricdms.git] / xappKubernetesOperator / internal / controller / xappdep_controller.go

diff --git a/xappKubernetesOperator/internal/controller/xappdep_controller.go b/xappKubernetesOperator/internal/controller/xappdep_controller.go
index ec9a60c..74bb87a 100644 (file)
--- a/xappKubernetesOperator/internal/controller/xappdep_controller.go
+++ b/xappKubernetesOperator/internal/controller/xappdep_controller.go
@@ -15,3 +15,94 @@ limitations under the License.
 */
 
 package controller
+
+import (
+       "context"
+
+       "k8s.io/apimachinery/pkg/api/errors"
+       "k8s.io/apimachinery/pkg/runtime"
+       ctrl "sigs.k8s.io/controller-runtime"
+       "sigs.k8s.io/controller-runtime/pkg/client"
+       "sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
+       "sigs.k8s.io/controller-runtime/pkg/log"
+
+       depxappv1 "depxapp/api/v1"
+)
+
+// XappDepReconciler reconciles a XappDep object
+type XappDepReconciler struct {
+       client.Client
+       Scheme *runtime.Scheme
+}
+
+func (r *XappDepReconciler) handle_deploy_using_generated_go_code(usage string) {
+       // return
+       if usage == "create" {
+               r.CreateAll()
+}
+
+//+kubebuilder:rbac:groups=depxapp.xapp.com,resources=xappdeps,verbs=get;list;watch;create;update;patch;delete
+//+kubebuilder:rbac:groups=depxapp.xapp.com,resources=xappdeps/status,verbs=get;update;patch
+//+kubebuilder:rbac:groups=depxapp.xapp.com,resources=xappdeps/finalizers,verbs=update
+
+// 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 XappDep 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@v0.15.0/pkg/reconcile
+func (r *XappDepReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
+       logger := log.FromContext(ctx)
+       logger.Info("Reconcilling xapp")
+       instance := &depxappv1.XappDep{}
+       err := r.Get(context.TODO(), req.NamespacedName, instance)
+       if err != nil {
+               if errors.IsNotFound(err) {
+                       // object not found, could have been deleted after reconcile request, hence don't requeue
+                       return ctrl.Result{}, nil
+               }
+               // error reading the object, requeue the request
+               return ctrl.Result{}, err
+       }
+
+       // name of our custom finalizer
+       myFinalizerName := "batch.tutorial.kubebuilder.io/finalizer"
+       // examine DeletionTimestamp to determine if object is under deletion
+       if instance.ObjectMeta.DeletionTimestamp.IsZero() {
+               // Adding a Finaliser also adds the DeletionTimestamp while deleting
+               if !controllerutil.ContainsFinalizer(instance, myFinalizerName) {
+                       // Would Be Called only during CR-Creation
+                       logger.Info("--- Job is in Creation state")
+                       r.handle_deploy_using_generated_go_code("create")
+                       logger.Info("--- Job has been Created")
+                       controllerutil.AddFinalizer(instance, myFinalizerName)
+                       if err := r.Update(ctx, instance); err != nil {
+                               return ctrl.Result{}, err
+                       }
+               }
+       } else {
+               // The object is being deleted
+               if controllerutil.ContainsFinalizer(instance, myFinalizerName) {
+                       // remove our finalizer from the list and update it.
+                       controllerutil.RemoveFinalizer(instance, myFinalizerName)
+                       if err := r.Update(ctx, instance); err != nil {
+                               return ctrl.Result{}, err
+                       }
+               }
+
+               // Stop reconciliation as the item is being deleted
+               return ctrl.Result{}, nil
+       }
+       return ctrl.Result{}, nil
+
+}
+
+// SetupWithManager sets up the controller with the Manager.
+func (r *XappDepReconciler) SetupWithManager(mgr ctrl.Manager) error {
+       return ctrl.NewControllerManagedBy(mgr).
+               For(&depxappv1.XappDep{}).
+               Complete(r)
+}