Drop initial code

deploy/k8s-provisioner/internal/controller/cluster_controller.go

@@ -0,0 +1,157 @@
+package controller
+
+import (
+	"context"
+	_ "embed"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/types"
+	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"
+
+	k8sprovisionerv1alpha1 "vanderlande.com/appstack/k8s-provisioner/api/v1alpha1"
+	"vanderlande.com/appstack/k8s-provisioner/internal/harvester"
+	"vanderlande.com/appstack/k8s-provisioner/internal/helm"
+	"vanderlande.com/appstack/k8s-provisioner/internal/templates"
+
+	"vanderlande.com/appstack/k8s-provisioner/internal/values"
+)
+
+type ClusterReconciler struct {
+	client.Client
+	Scheme *runtime.Scheme
+}
+
+// Internal Struct for mapping NodePools to Helm Values
+type HelmNodePool struct {
+	Name         string `json:"name"`
+	DisplayName  string `json:"displayName"`
+	Quantity     int    `json:"quantity"`
+	Etcd         bool   `json:"etcd"`
+	ControlPlane bool   `json:"controlplane"`
+	Worker       bool   `json:"worker"`
+	Paused       bool   `json:"paused"`
+	CpuCount     int    `json:"cpuCount"`
+	DiskSize     int    `json:"diskSize"`
+	ImageName    string `json:"imageName"`
+	MemorySize   int    `json:"memorySize"`
+	NetworkName  string `json:"networkName"`
+	SshUser      string `json:"sshUser"`
+	VmNamespace  string `json:"vmNamespace"`
+	UserData     string `json:"userData"`
+}
+
+// +kubebuilder:rbac:groups=k8sprovisioner.appstack.io,resources=clusters,verbs=get;list;watch;create;update;patch;delete
+// +kubebuilder:rbac:groups=k8sprovisioner.appstack.io,resources=clusters/status,verbs=get;update;patch
+// +kubebuilder:rbac:groups=k8sprovisioner.appstack.io,resources=infras,verbs=get;list;watch
+// +kubebuilder:rbac:groups="",resources=secrets,verbs=get;list;watch;create;update;patch;delete
+
+const clusterFinalizer = "k8sprovisioner.appstack.io/finalizer"
+
+func (r *ClusterReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
+	l := log.FromContext(ctx)
+
+	// Initialize Managers
+	hvManager := harvester.NewIdentityManager(r.Client, r.Scheme)
+
+	// 1. Fetch Cluster
+	var cluster k8sprovisionerv1alpha1.Cluster
+	if err := r.Get(ctx, req.NamespacedName, &cluster); err != nil {
+		return ctrl.Result{}, client.IgnoreNotFound(err)
+	}
+
+	// 2. Handle Deletion
+	if !cluster.ObjectMeta.DeletionTimestamp.IsZero() {
+		if controllerutil.ContainsFinalizer(&cluster, clusterFinalizer) {
+			l.Info("Processing Cluster Deletion...")
+
+			// A. Uninstall Helm
+			helmCfg := helm.Config{Namespace: req.Namespace, ReleaseName: req.Name}
+			if err := helm.Uninstall(helmCfg); err != nil {
+				return ctrl.Result{}, err
+			}
+
+			// B. Cleanup Harvester (Using Manager)
+			hvManager.Cleanup(ctx, &cluster)
+
+			// C. Remove Finalizer
+			controllerutil.RemoveFinalizer(&cluster, clusterFinalizer)
+			if err := r.Update(ctx, &cluster); err != nil {
+				return ctrl.Result{}, err
+			}
+		}
+		return ctrl.Result{}, nil
+	}
+
+	// 3. Add Finalizer
+	if !controllerutil.ContainsFinalizer(&cluster, clusterFinalizer) {
+		controllerutil.AddFinalizer(&cluster, clusterFinalizer)
+		if err := r.Update(ctx, &cluster); err != nil {
+			return ctrl.Result{}, err
+		}
+	}
+
+	// 4. Fetch Infra
+	var infra k8sprovisionerv1alpha1.Infra
+	if err := r.Get(ctx, types.NamespacedName{Name: cluster.Spec.InfraRef, Namespace: req.Namespace}, &infra); err != nil {
+		return ctrl.Result{}, err
+	}
+
+	// =========================================================
+	// 5. SECURE HARVESTER IDENTITY (Simplified)
+	// =========================================================
+
+	// The manager handles looking up Rancher creds, minting tokens,
+	// saving secrets, and updating the Cluster status.
+	generatedSecretName, err := hvManager.Ensure(ctx, &cluster, &infra)
+	if err != nil {
+		return ctrl.Result{}, err
+	}
+
+	// =========================================================
+	// 6. HELM VALUES GENERATION
+	// =========================================================
+
+	vb := values.NewBuilder(
+		&cluster,
+		&infra,
+		templates.BaseValuesYAML,
+		generatedSecretName,
+		req.Namespace,
+	)
+
+	helmValues, err := vb.Build()
+	if err != nil {
+		l.Error(err, "Failed to generate helm values")
+		return ctrl.Result{}, err
+	}
+
+	chartSpec := vb.GetChartConfig()
+
+	// 7. Trigger Helm Apply
+	l.Info("Syncing Helm Release", "Release", req.Name)
+
+	helmCfg := helm.Config{
+		Namespace:   req.Namespace,
+		ReleaseName: req.Name,
+		RepoURL:     chartSpec.Repo,
+		ChartName:   chartSpec.Name,
+		Version:     chartSpec.Version,
+		Values:      helmValues,
+	}
+
+	if err := helm.Apply(helmCfg); err != nil {
+		l.Error(err, "Helm Apply Failed")
+		return ctrl.Result{}, err
+	}
+
+	return ctrl.Result{}, nil
+}
+
+func (r *ClusterReconciler) SetupWithManager(mgr ctrl.Manager) error {
+	return ctrl.NewControllerManagedBy(mgr).
+		For(&k8sprovisionerv1alpha1.Cluster{}).
+		Complete(r)
+}