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transformer_component_restore.go
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transformer_component_restore.go
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/*
Copyright (C) 2022-2024 ApeCloud Co., Ltd
This file is part of KubeBlocks project
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package apps
import (
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/apecloud/kubeblocks/pkg/constant"
"github.com/apecloud/kubeblocks/pkg/controller/graph"
"github.com/apecloud/kubeblocks/pkg/controller/plan"
ictrlutil "github.com/apecloud/kubeblocks/pkg/controllerutil"
)
type componentRestoreTransformer struct {
client.Client
}
var _ graph.Transformer = &componentRestoreTransformer{}
func (t *componentRestoreTransformer) Transform(ctx graph.TransformContext, dag *graph.DAG) error {
transCtx, _ := ctx.(*componentTransformContext)
cluster := transCtx.Cluster
if cluster.Annotations[constant.RestoreFromBackupAnnotationKey] == "" {
return nil
}
reqCtx := ictrlutil.RequestCtx{
Ctx: transCtx.Context,
Log: transCtx.Logger,
Recorder: transCtx.EventRecorder,
}
commitError := func(err error) error {
if ictrlutil.IsTargetError(err, ictrlutil.ErrorTypeNeedWaiting) {
transCtx.EventRecorder.Event(transCtx.Cluster, corev1.EventTypeNormal, string(ictrlutil.ErrorTypeNeedWaiting), err.Error())
return graph.ErrPrematureStop
}
return err
}
restoreMGR := plan.NewRestoreManager(reqCtx.Ctx, t.Client, cluster, rscheme, nil, transCtx.SynthesizeComponent.Replicas, 0)
if err := restoreMGR.DoRestore(transCtx.SynthesizeComponent, transCtx.Component); err != nil {
return commitError(err)
}
return nil
}