feat: 接入 Instance 原生管理观测与删除保护

internal/database/controller/instance_controller.go

@@ -0,0 +1,42 @@
+package controller
+
+import (
+	"context"
+	"time"
+
+	"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"
+)
+
+type InstanceReconciler struct {
+	Client          client.Client
+	Reader          client.Reader
+	Observer        application.InstanceObserver
+	SecretNamespace string
+}
+
+// +kubebuilder:rbac:groups=database.ayatori.ddupan.top,resources=postgresqlinstances,verbs=get;list;watch;update;patch
+// +kubebuilder:rbac:groups=database.ayatori.ddupan.top,resources=postgresqlinstances/status,verbs=get;update;patch
+// +kubebuilder:rbac:groups=database.ayatori.ddupan.top,resources=postgresqlinstances/finalizers,verbs=update
+// Secret 权限单独声明为 namespace Role，不放入生成的 ClusterRole。
+
+func (r *InstanceReconciler) Reconcile(ctx context.Context, request ctrl.Request) (ctrl.Result, error) {
+	resources := &kubernetes.InstanceResources{Client: r.Client, Reader: r.Reader}
+	service := application.InstanceReconciliation{Resources: resources, Observer: r.Observer}
+	observationContext, cancel := context.WithTimeout(ctx, 15*time.Second)
+	defer cancel()
+	result, err := service.Reconcile(observationContext, request.Name)
+	if err != nil {
+		return ctrl.Result{}, err
+	}
+	// 查询超时后仍用 worker context 保存安全失败结果；manager 停止时不强行写入。
+	if err := resources.PresentInstance(ctx, result); err != nil {
+		return ctrl.Result{}, err
+	}
+	if result.Record == nil || result.RemoveProtection {
+		return ctrl.Result{}, nil
+	}
+	return ctrl.Result{RequeueAfter: dependencyRetry}, nil
+}