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feat: implementation of the Backup service
Signed-off-by: Leonardo Cecchi <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| package backup | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
||
| "github.com/cloudnative-pg/cnpg-i/pkg/backup" | ||
|
|
||
| "github.com/cloudnative-pg/plugin-pvc-backup/internal/backup/storage" | ||
| "github.com/cloudnative-pg/plugin-pvc-backup/pkg/logging" | ||
| "github.com/cloudnative-pg/plugin-pvc-backup/pkg/metadata" | ||
| "github.com/cloudnative-pg/plugin-pvc-backup/pkg/pluginhelper" | ||
| ) | ||
|
|
||
| // Implementation is the implementation of the identity service | ||
| type Implementation struct { | ||
| backup.BackupServer | ||
| } | ||
|
|
||
| // GetCapabilities gets the capabilities of the Backup service | ||
| func (Implementation) GetCapabilities( | ||
| context.Context, | ||
| *backup.BackupCapabilitiesRequest, | ||
| ) (*backup.BackupCapabilitiesResult, error) { | ||
| return &backup.BackupCapabilitiesResult{ | ||
| Capabilities: []*backup.BackupCapability{ | ||
| { | ||
| Type: &backup.BackupCapability_Rpc{ | ||
| Rpc: &backup.BackupCapability_RPC{ | ||
| Type: backup.BackupCapability_RPC_TYPE_BACKUP, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, nil | ||
| } | ||
|
|
||
| // Backup take a physical backup using Kopia | ||
| func (Implementation) Backup( | ||
| ctx context.Context, | ||
| request *backup.BackupRequest, | ||
| ) (*backup.BackupResult, error) { | ||
| logging := logging.FromContext(ctx) | ||
|
|
||
| helper, err := pluginhelper.NewFromCluster(metadata.Data.Name, request.ClusterDefinition) | ||
| if err != nil { | ||
| logging.Error(err, "Error while decoding cluster definition from CNPG") | ||
| return nil, err | ||
| } | ||
|
|
||
| backupObject, err := helper.DecodeBackup(request.BackupDefinition) | ||
| if err != nil { | ||
| logging.Error(err, "Error while decoding backup definition from CNPG") | ||
| return nil, err | ||
| } | ||
|
|
||
| repository, err := NewRepository( | ||
| ctx, | ||
| storage.GetBasePath(helper.GetCluster().Name), | ||
| storage.GetKopiaConfigFilePath(helper.GetCluster().Name), | ||
| storage.GetKopiaCacheDirectory(helper.GetCluster().Name), | ||
| ) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| executor := NewExecutor( | ||
| helper.GetCluster(), | ||
| backupObject, | ||
| repository, | ||
| ) | ||
|
|
||
| startedAt := time.Now() | ||
| logging.Info("Preparing physical backup") | ||
| if err := executor.Start(ctx); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| logging.Info("Copying files") | ||
| if err := executor.Backup(ctx); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| logging.Info("Finishing backup") | ||
| backupInfo, err := executor.Stop(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| stoppedAt := time.Now() | ||
|
|
||
| return &backup.BackupResult{ | ||
| BackupId: backupInfo.BackupName, | ||
| BackupName: backupInfo.BackupName, | ||
| StartedAt: startedAt.Unix(), | ||
| StoppedAt: stoppedAt.Unix(), | ||
| BeginWal: executor.beginWal, | ||
| EndWal: executor.endWal, | ||
| BeginLsn: string(backupInfo.BeginLSN), | ||
| EndLsn: string(backupInfo.EndLSN), | ||
| BackupLabelFile: backupInfo.LabelFile, | ||
| TablespaceMapFile: backupInfo.SpcmapFile, | ||
| Online: true, | ||
| }, nil | ||
| } |
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