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Merge pull request #586 from akgalwas/backup-restore-2
Implement shoot restore
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/gardener/gardener/pkg/apis/core/v1beta1" | ||
| gardener_types "github.com/gardener/gardener/pkg/client/core/clientset/versioned/typed/core/v1beta1" | ||
| "github.com/kyma-project/infrastructure-manager/hack/runtime-migrator-app/internal/initialisation" | ||
| "github.com/kyma-project/infrastructure-manager/hack/runtime-migrator-app/internal/restore" | ||
| "github.com/kyma-project/infrastructure-manager/hack/runtime-migrator-app/internal/shoot" | ||
| "github.com/kyma-project/infrastructure-manager/pkg/gardener/kubeconfig" | ||
| v1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/utils/ptr" | ||
| "log/slog" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "time" | ||
| ) | ||
|
|
||
| const ( | ||
| timeoutK8sOperation = 20 * time.Second | ||
| expirationTime = 60 * time.Minute | ||
| ) | ||
|
|
||
| type Restore struct { | ||
| shootClient gardener_types.ShootInterface | ||
| dynamicGardenerClient client.Client | ||
| kubeconfigProvider kubeconfig.Provider | ||
| outputWriter restore.OutputWriter | ||
| results restore.Results | ||
| cfg initialisation.RestoreConfig | ||
| } | ||
|
|
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| const fieldManagerName = "kim" | ||
|
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| func NewRestore(cfg initialisation.RestoreConfig, kubeconfigProvider kubeconfig.Provider, shootClient gardener_types.ShootInterface, dynamicGardenerClient client.Client) (Restore, error) { | ||
| outputWriter, err := restore.NewOutputWriter(cfg.OutputPath) | ||
| if err != nil { | ||
| return Restore{}, err | ||
| } | ||
|
|
||
| return Restore{ | ||
| shootClient: shootClient, | ||
| dynamicGardenerClient: dynamicGardenerClient, | ||
| kubeconfigProvider: kubeconfigProvider, | ||
| outputWriter: outputWriter, | ||
| results: restore.NewRestoreResults(outputWriter.NewResultsDir), | ||
| cfg: cfg, | ||
| }, err | ||
| } | ||
|
|
||
| func (r Restore) Do(ctx context.Context, runtimeIDs []string) error { | ||
| listCtx, cancel := context.WithTimeout(ctx, timeoutK8sOperation) | ||
| defer cancel() | ||
|
|
||
| shootList, err := r.shootClient.List(listCtx, v1.ListOptions{}) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| restorer := restore.NewRestorer(r.cfg.BackupDir) | ||
|
|
||
| for _, runtimeID := range runtimeIDs { | ||
| currentShoot, err := shoot.Fetch(ctx, shootList, r.shootClient, runtimeID) | ||
| if err != nil { | ||
| errMsg := fmt.Sprintf("Failed to fetch shoot: %v", err) | ||
| r.results.ErrorOccurred(runtimeID, "", errMsg) | ||
| slog.Error(errMsg, "runtimeID", runtimeID) | ||
|
|
||
| continue | ||
| } | ||
|
|
||
| if shoot.IsBeingDeleted(currentShoot) { | ||
| errMsg := fmt.Sprintf("Shoot is being deleted: %v", err) | ||
| r.results.ErrorOccurred(runtimeID, currentShoot.Name, errMsg) | ||
| slog.Error(errMsg, "runtimeID", runtimeID) | ||
|
|
||
| continue | ||
| } | ||
|
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| shootToRestore, err := restorer.Do(runtimeID, currentShoot.Name) | ||
| if err != nil { | ||
| errMsg := fmt.Sprintf("Failed to restore runtime: %v", err) | ||
| r.results.ErrorOccurred(runtimeID, currentShoot.Name, errMsg) | ||
| slog.Error(errMsg, "runtimeID", runtimeID) | ||
|
|
||
| continue | ||
| } | ||
|
|
||
| if r.cfg.IsDryRun { | ||
| slog.Info("Runtime processed successfully (dry-run)", "runtimeID", runtimeID) | ||
| r.results.OperationSucceeded(runtimeID, currentShoot.Name) | ||
|
|
||
| continue | ||
| } | ||
|
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| err = r.applyResources(ctx, shootToRestore) | ||
| if err != nil { | ||
| errMsg := fmt.Sprintf("Failed to restore runtime: %v", err) | ||
| r.results.ErrorOccurred(runtimeID, currentShoot.Name, errMsg) | ||
| slog.Error(errMsg, "runtimeID", runtimeID) | ||
|
|
||
| continue | ||
| } | ||
|
|
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| slog.Info("Runtime restore performed successfully", "runtimeID", runtimeID) | ||
| r.results.OperationSucceeded(runtimeID, currentShoot.Name) | ||
| } | ||
|
|
||
| resultsFile, err := r.outputWriter.SaveRestoreResults(r.results) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| slog.Info(fmt.Sprintf("Restore completed. Successfully restored backups: %d, Failed operations: %d", r.results.Succeeded, r.results.Failed)) | ||
| slog.Info(fmt.Sprintf("Restore results saved in: %s", resultsFile)) | ||
|
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| return nil | ||
| } | ||
|
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| func (r Restore) applyResources(ctx context.Context, shootToRestore v1beta1.Shoot) error { | ||
| patchCtx, cancel := context.WithTimeout(ctx, timeoutK8sOperation) | ||
| defer cancel() | ||
|
|
||
| return r.dynamicGardenerClient.Patch(patchCtx, &shootToRestore, client.Apply, &client.PatchOptions{ | ||
| FieldManager: fieldManagerName, | ||
| Force: ptr.To(true), | ||
| }) | ||
| } |
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