github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/controllers/apps/transform_restore.go (about)

     1  /*
     2  Copyright (C) 2022-2023 ApeCloud Co., Ltd
     3  
     4  This file is part of KubeBlocks project
     5  
     6  This program is free software: you can redistribute it and/or modify
     7  it under the terms of the GNU Affero General Public License as published by
     8  the Free Software Foundation, either version 3 of the License, or
     9  (at your option) any later version.
    10  
    11  This program is distributed in the hope that it will be useful
    12  but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  GNU Affero General Public License for more details.
    15  
    16  You should have received a copy of the GNU Affero General Public License
    17  along with this program.  If not, see <http://www.gnu.org/licenses/>.
    18  */
    19  
    20  package apps
    21  
    22  import (
    23  	corev1 "k8s.io/api/core/v1"
    24  	"sigs.k8s.io/controller-runtime/pkg/client"
    25  
    26  	"github.com/1aal/kubeblocks/controllers/apps/components"
    27  	"github.com/1aal/kubeblocks/pkg/constant"
    28  	"github.com/1aal/kubeblocks/pkg/controller/graph"
    29  	"github.com/1aal/kubeblocks/pkg/controller/plan"
    30  	ictrlutil "github.com/1aal/kubeblocks/pkg/controllerutil"
    31  )
    32  
    33  type RestoreTransformer struct {
    34  	client.Client
    35  }
    36  
    37  var _ graph.Transformer = &RestoreTransformer{}
    38  
    39  func (t *RestoreTransformer) Transform(ctx graph.TransformContext, dag *graph.DAG) error {
    40  	transCtx, _ := ctx.(*clusterTransformContext)
    41  	cluster := transCtx.Cluster
    42  	clusterDef := transCtx.ClusterDef
    43  	clusterVer := transCtx.ClusterVer
    44  	reqCtx := ictrlutil.RequestCtx{
    45  		Ctx:      transCtx.Context,
    46  		Log:      transCtx.Logger,
    47  		Recorder: transCtx.EventRecorder,
    48  	}
    49  	commitError := func(err error) error {
    50  		if ictrlutil.IsTargetError(err, ictrlutil.ErrorTypeNeedWaiting) {
    51  			transCtx.EventRecorder.Event(transCtx.Cluster, corev1.EventTypeNormal, string(ictrlutil.ErrorTypeNeedWaiting), err.Error())
    52  			return graph.ErrPrematureStop
    53  		}
    54  		return err
    55  	}
    56  	for _, spec := range cluster.Spec.ComponentSpecs {
    57  		if cluster.Annotations[constant.RestoreFromBackupAnnotationKey] == "" {
    58  			continue
    59  		}
    60  
    61  		comp, err := components.NewComponent(reqCtx, t.Client, clusterDef, clusterVer, cluster, spec.Name, nil)
    62  		if err != nil {
    63  			return err
    64  		}
    65  		syncComp := comp.GetSynthesizedComponent()
    66  		restoreMGR := plan.NewRestoreManager(reqCtx.Ctx, t.Client, cluster, rscheme, nil, syncComp.Replicas, 0)
    67  		if err = restoreMGR.DoRestore(syncComp); err != nil {
    68  			return commitError(err)
    69  		}
    70  	}
    71  	return nil
    72  }