feat: 接通 Database 凭据准备闭环

internal/database/controller/credential_controller.go

@@ -0,0 +1,67 @@
+package controller
+
+import (
+	"context"
+
+	databasev1alpha1 "git.ddupan.top/panxiao81/ayatori/api/database/v1alpha1"
+	"git.ddupan.top/panxiao81/ayatori/internal/database/adapter/kubernetes"
+	"git.ddupan.top/panxiao81/ayatori/internal/database/application"
+	ctrl "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/handler"
+)
+
+// CredentialReconciler 只连接事件、用例和重试，不在控制器中编排凭据写入。
+type CredentialReconciler struct {
+	Client client.Client
+	Reader client.Reader
+	Store  application.CredentialStore
+}
+
+func (r *CredentialReconciler) Reconcile(ctx context.Context, request ctrl.Request) (ctrl.Result, error) {
+	service := application.CredentialPreparation{
+		Resources: &kubernetes.CredentialResources{Client: r.Client, Reader: r.Reader}, Store: r.Store,
+	}
+	if err := service.Reconcile(ctx, request.Name); err != nil {
+		return ctrl.Result{}, err
+	}
+	// Bao 的可用性和版本变化没有 Kubernetes watch；与已有依赖重查保持一致。
+	return ctrl.Result{RequeueAfter: dependencyRetry}, nil
+}
+
+func (r *CredentialReconciler) SetupWithManager(manager ctrl.Manager) error {
+	if r.Client == nil {
+		r.Client = manager.GetClient()
+	}
+	if r.Reader == nil {
+		r.Reader = manager.GetAPIReader()
+	}
+	return ctrl.NewControllerManagedBy(manager).
+		Named("database-credentials").For(&databasev1alpha1.PostgreSQLDatabase{}).
+		Watches(&databasev1alpha1.PostgreSQLTenant{}, handler.EnqueueRequestsFromMapFunc(r.requestsForTenant)).
+		Watches(&databasev1alpha1.PostgreSQLInstance{}, handler.EnqueueRequestsFromMapFunc(r.requestsForInstance)).
+		Complete(r)
+}
+
+func (r *CredentialReconciler) requestsForTenant(_ context.Context, object client.Object) []ctrl.Request {
+	tenant := object.(*databasev1alpha1.PostgreSQLTenant)
+	if tenant.Status.DatabaseRef == nil {
+		return nil
+	}
+	return []ctrl.Request{{Name: string(tenant.Status.DatabaseRef.Name)}}
+}
+
+func (r *CredentialReconciler) requestsForInstance(ctx context.Context, object client.Object) []ctrl.Request {
+	databases := &databasev1alpha1.PostgreSQLDatabaseList{}
+	if err := r.Client.List(ctx, databases); err != nil {
+		ctrl.LoggerFrom(ctx).Error(err, "无法映射 Instance 凭据准备事件；等待低频重试")
+		return nil
+	}
+	var requests []ctrl.Request
+	for _, database := range databases.Items {
+		if string(database.Spec.InstanceRef.Name) == object.GetName() {
+			requests = append(requests, ctrl.Request{NamespacedName: client.ObjectKeyFromObject(&database)})
+		}
+	}
+	return requests
+}