77 lines
3.1 KiB
Go
77 lines
3.1 KiB
Go
package controller
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import (
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"context"
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"errors"
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databasev1alpha1 "git.ddupan.top/panxiao81/ayatori/api/database/v1alpha1"
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"git.ddupan.top/panxiao81/ayatori/internal/database/domain/binding"
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"k8s.io/apimachinery/pkg/types"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/handler"
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)
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const targetDatabaseIndex = "database.bindingTarget"
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func (r *BindingReconciler) SetupWithManager(ctx context.Context, manager ctrl.Manager) error {
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if r.Client == nil || r.Service == nil || r.Presenter == nil {
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return errors.New("binding controller requires injected client, use case and presenter")
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}
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if err := manager.GetFieldIndexer().IndexField(ctx, &databasev1alpha1.PostgreSQLTenant{},
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targetDatabaseIndex, func(object client.Object) []string {
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tenant := object.(*databasev1alpha1.PostgreSQLTenant)
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if tenant.Spec.DatabaseRef != nil {
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return []string{string(tenant.Spec.DatabaseRef.Name)}
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}
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return []string{binding.DynamicDatabaseName(string(tenant.UID))}
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}); err != nil {
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return err
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}
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return ctrl.NewControllerManagedBy(manager).
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Named("database-binding").
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For(&databasev1alpha1.PostgreSQLTenant{}).
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Watches(&databasev1alpha1.PostgreSQLDatabase{}, handler.EnqueueRequestsFromMapFunc(r.requestsForDatabase)).
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Watches(&databasev1alpha1.PostgreSQLInstance{}, handler.EnqueueRequestsFromMapFunc(r.requestsForInstance)).
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Complete(r)
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}
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func (r *BindingReconciler) requestsForDatabase(ctx context.Context, object client.Object) []ctrl.Request {
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tenants := &databasev1alpha1.PostgreSQLTenantList{}
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if err := r.Client.List(ctx, tenants, client.MatchingFields{targetDatabaseIndex: object.GetName()}); err != nil {
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ctrl.LoggerFrom(ctx).Error(err, "无法映射 Database 事件；等待低频重试")
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return nil
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}
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requests := make([]ctrl.Request, 0, len(tenants.Items))
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for _, tenant := range tenants.Items {
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requests = append(requests, ctrl.Request{NamespacedName: client.ObjectKeyFromObject(&tenant)})
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}
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return requests
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}
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func (r *BindingReconciler) requestsForInstance(ctx context.Context, object client.Object) []ctrl.Request {
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// 当前只有 homelab 内部申请，使用 cache 列表过滤，不维护另一份实例/租户集合。
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tenants := &databasev1alpha1.PostgreSQLTenantList{}
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if err := r.Client.List(ctx, tenants); err != nil {
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ctrl.LoggerFrom(ctx).Error(err, "无法映射 Instance 事件；等待低频重试")
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return nil
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}
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requests := make([]ctrl.Request, 0, len(tenants.Items))
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for _, tenant := range tenants.Items {
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instanceName := ""
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if tenant.Spec.Provision != nil {
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instanceName = string(tenant.Spec.Provision.InstanceRef.Name)
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} else if tenant.Spec.DatabaseRef != nil {
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database := &databasev1alpha1.PostgreSQLDatabase{}
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if err := r.Client.Get(ctx, types.NamespacedName{Name: string(tenant.Spec.DatabaseRef.Name)}, database); err != nil {
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continue
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}
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instanceName = string(database.Spec.InstanceRef.Name)
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}
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if instanceName == object.GetName() {
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requests = append(requests, ctrl.Request{NamespacedName: client.ObjectKeyFromObject(&tenant)})
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}
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}
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return requests
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}
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