Imports
- sigs.k8s.io/controller-runtime/pkg/controller/controllerutil
- sigs.k8s.io/controller-runtime/pkg/client
- k8s.io/api/apps/v1
- github.com/pingcap/errors
- k8s.io/utils/pointer
- github.com/pingcap/tidb-operator/pkg/apis/pingcap/v1alpha1
- github.com/pingcap/tidb-operator/pkg/util
- k8s.io/api/core/v1
- k8s.io/apimachinery/pkg/api/resource
- k8s.io/apimachinery/pkg/apis/meta/v1
- k8s.io/apimachinery/pkg/util/intstr