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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,184 @@ | ||
| //go:build std || migration | ||
|
|
||
| package migration | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/hazelcast/hazelcast-commandline-client/clc/ux/stage" | ||
| errors2 "github.com/hazelcast/hazelcast-commandline-client/errors" | ||
| "github.com/hazelcast/hazelcast-commandline-client/internal/plug" | ||
| "github.com/hazelcast/hazelcast-go-client" | ||
| "github.com/hazelcast/hazelcast-go-client/serialization" | ||
| "golang.org/x/exp/slices" | ||
| ) | ||
|
|
||
| func migrationStages(ctx context.Context, ec plug.ExecContext, migrationID, reportOutputDir string, statusMap *hazelcast.Map) ([]stage.Stage[any], error) { | ||
| ci, err := ec.ClientInternal(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if err = waitForMigrationToBeCreated(ctx, ci, migrationID); err != nil { | ||
| return nil, err | ||
| } | ||
| var stages []stage.Stage[any] | ||
| dss, err := dataStructuresToBeMigrated(ctx, ec, migrationID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| for i, d := range dss { | ||
| i := i | ||
| stages = append(stages, stage.Stage[any]{ | ||
| ProgressMsg: fmt.Sprintf("Migrating %s: %s", d.Type, d.Name), | ||
| SuccessMsg: fmt.Sprintf("Migrated %s: %s ...", d.Type, d.Name), | ||
| FailureMsg: fmt.Sprintf("Failed migrating %s: %s ...", d.Type, d.Name), | ||
| Func: func(ct context.Context, status stage.Statuser[any]) (any, error) { | ||
| for { | ||
| if ctx.Err() != nil { | ||
| return nil, err | ||
| } | ||
| generalStatus, err := readMigrationStatus(ctx, statusMap, migrationID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if slices.Contains([]Status{StatusComplete, StatusFailed, StatusCanceled}, generalStatus.Status) { | ||
| err = saveMemberLogs(ctx, ec, ci, migrationID) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var name string | ||
| if reportOutputDir == "" { | ||
| name = fmt.Sprintf("migration_report_%s.txt", migrationID) | ||
| } | ||
| err = saveReportToFile(name, generalStatus.Report) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
| switch generalStatus.Status { | ||
| case StatusComplete: | ||
| return nil, nil | ||
| case StatusFailed: | ||
| return nil, errors.New(generalStatus.Errors[0]) //TODO | ||
| case StatusCanceled, StatusCanceling: | ||
| return nil, errors2.ErrUserCancelled | ||
| } | ||
| q := fmt.Sprintf(`SELECT JSON_QUERY(this, '$.migrations[%d]') FROM %s WHERE __key= '%s'`, i, StatusMapName, migrationID) | ||
| res, err := ci.Client().SQL().Execute(ctx, q) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| iter, err := res.Iterator() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if iter.HasNext() { | ||
| row, err := iter.Next() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| rowStr, err := row.Get(0) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| var m MigrationStatusRow | ||
| if err = json.Unmarshal(rowStr.(serialization.JSON), &m); err != nil { | ||
| return nil, err | ||
| } | ||
| status.SetProgress(m.CompletionPercentage) | ||
| switch m.Status { | ||
| case StatusComplete: | ||
| return nil, nil | ||
| case StatusFailed: | ||
| return nil, stage.IgnoreError(errors.New(m.Error)) | ||
| case StatusCanceled: | ||
| return nil, errors2.ErrUserCancelled | ||
| } | ||
| } | ||
| } | ||
| }, | ||
| }) | ||
| } | ||
| return stages, nil | ||
| } | ||
|
|
||
| func dataStructuresToBeMigrated(ctx context.Context, ec plug.ExecContext, migrationID string) ([]DataStructureInfo, error) { | ||
| var dss []DataStructureInfo | ||
| ci, err := ec.ClientInternal(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| q := fmt.Sprintf(`SELECT this FROM %s WHERE __key= '%s'`, StatusMapName, migrationID) | ||
| res, err := ci.Client().SQL().Execute(ctx, q) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| it, err := res.Iterator() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| if it.HasNext() { | ||
| row, err := it.Next() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| r, err := row.Get(0) | ||
| var status MigrationStatusTotal | ||
| if err = json.Unmarshal(r.(serialization.JSON), &status); err != nil { | ||
| return nil, err | ||
| } | ||
| for _, m := range status.Migrations { | ||
| dss = append(dss, DataStructureInfo{ | ||
| Name: m.Name, | ||
| Type: m.Type, | ||
| }) | ||
| } | ||
| } | ||
| return dss, nil | ||
| } | ||
|
|
||
| func saveMemberLogs(ctx context.Context, ec plug.ExecContext, ci *hazelcast.ClientInternal, migrationID string) error { | ||
| for _, m := range ci.OrderedMembers() { | ||
| l, err := ci.Client().GetList(ctx, DebugLogsListPrefix+m.UUID.String()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| logs, err := l.GetAll(ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| for _, line := range logs { | ||
| ec.Logger().Debugf(fmt.Sprintf("[%s_%s] %s", migrationID, m.UUID.String(), line.(string))) | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func saveReportToFile(fileName, report string) error { | ||
| f, err := os.Create(fmt.Sprintf(fileName)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer f.Close() | ||
| return os.WriteFile(fileName, []byte(report), 0600) | ||
| } | ||
|
|
||
| func waitForMigrationToBeCreated(ctx context.Context, ci *hazelcast.ClientInternal, migrationID string) error { | ||
| for { | ||
| statusMap, err := ci.Client().GetMap(ctx, StatusMapName) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| ok, err := statusMap.ContainsKey(ctx, migrationID) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if ok { | ||
| return nil | ||
| } | ||
| } | ||
| } |
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