From bfc1bdec2aa67b1835769477f7bd9e65b24a5403 Mon Sep 17 00:00:00 2001
From: Jean-Marc ANDRE <jean-marc.andre@hpe.com>
Date: Tue, 7 Feb 2023 18:57:17 +0100
Subject: [PATCH] Added BackupSession controller skeleton

---
 .../server/backupsession_controller.go        | 31 ++++++++++
 backupsession/server/server.go                | 61 +++++++++++++++++++
 cmd/backupsession.go                          | 11 ++++
 3 files changed, 103 insertions(+)
 create mode 100644 backupsession/server/backupsession_controller.go
 create mode 100644 backupsession/server/server.go

diff --git a/backupsession/server/backupsession_controller.go b/backupsession/server/backupsession_controller.go
new file mode 100644
index 0000000..dddb8a2
--- /dev/null
+++ b/backupsession/server/backupsession_controller.go
@@ -0,0 +1,31 @@
+package server
+
+import (
+	"context"
+	"github.com/go-logr/logr"
+	"k8s.io/apimachinery/pkg/runtime"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/log"
+
+	formolv1alpha1 "github.com/desmo999r/formol/api/v1alpha1"
+)
+
+type BackupSessionReconciler struct {
+	client.Client
+	Log    logr.Logger
+	Scheme *runtime.Scheme
+}
+
+func (r *BackupSessionReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
+	r.Log = log.FromContext(ctx)
+	r.Log.V(0).Info("Enter Reconcile with req", "req", req)
+	return ctrl.Result{}, nil
+}
+
+// SetupWithManager sets up the controller with the Manager.
+func (r *BackupSessionReconciler) SetupWithManager(mgr ctrl.Manager) error {
+	return ctrl.NewControllerManagedBy(mgr).
+		For(&formolv1alpha1.BackupSession{}).
+		Complete(r)
+}
diff --git a/backupsession/server/server.go b/backupsession/server/server.go
new file mode 100644
index 0000000..4708f45
--- /dev/null
+++ b/backupsession/server/server.go
@@ -0,0 +1,61 @@
+package server
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+	"os"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/healthz"
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
+
+	formolv1alpha1 "github.com/desmo999r/formol/api/v1alpha1"
+)
+
+var (
+	scheme   = runtime.NewScheme()
+	setupLog = ctrl.Log.WithName("StartServer")
+)
+
+func init() {
+	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
+	utilruntime.Must(formolv1alpha1.AddToScheme(scheme))
+}
+
+func StartServer() {
+	opts := zap.Options{
+		Development: true,
+	}
+	ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
+
+	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
+		MetricsBindAddress: "0", // disabling prometheus metrics
+		Scheme:             scheme,
+		Namespace:          os.Getenv("POD_NAMESPACE"),
+	})
+	if err != nil {
+		setupLog.Error(err, "unable to create manager")
+		os.Exit(1)
+	}
+	if err = (&BackupSessionReconciler{
+		Client: mgr.GetClient(),
+		Scheme: mgr.GetScheme(),
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "BackupSession")
+		os.Exit(1)
+	}
+
+	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
+		setupLog.Error(err, "unable to set up health check")
+		os.Exit(1)
+	}
+	if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
+		setupLog.Error(err, "unable to set up ready check")
+		os.Exit(1)
+	}
+	setupLog.Info("starting manager")
+	if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
+		setupLog.Error(err, "problem starting manager")
+		os.Exit(1)
+	}
+}
diff --git a/cmd/backupsession.go b/cmd/backupsession.go
index 00ecbe6..19862ce 100644
--- a/cmd/backupsession.go
+++ b/cmd/backupsession.go
@@ -6,6 +6,7 @@ package cmd
 import (
 	"fmt"
 	"github.com/desmo999r/formolcli/backupsession"
+	"github.com/desmo999r/formolcli/backupsession/server"
 	"github.com/spf13/cobra"
 	corev1 "k8s.io/api/core/v1"
 )
@@ -24,6 +25,15 @@ var createBackupSessionCmd = &cobra.Command{
 	},
 }
 
+var startServerCmd = &cobra.Command{
+	Use:   "server",
+	Short: "Start a BackupSession controller",
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Println("starts backupsession controller")
+		server.StartServer()
+	},
+}
+
 // backupsessionCmd represents the backupsession command
 var backupSessionCmd = &cobra.Command{
 	Use:   "backupsession",
@@ -33,6 +43,7 @@ var backupSessionCmd = &cobra.Command{
 func init() {
 	rootCmd.AddCommand(backupSessionCmd)
 	backupSessionCmd.AddCommand(createBackupSessionCmd)
+	backupSessionCmd.AddCommand(startServerCmd)
 	createBackupSessionCmd.Flags().String("namespace", "", "The namespace of the BackupConfiguration containing the information about the backup.")
 	createBackupSessionCmd.Flags().String("name", "", "The name of the BackupConfiguration containing the information about the backup.")
 	createBackupSessionCmd.MarkFlagRequired("namespace")