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stream_fetch_handler.go
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/
stream_fetch_handler.go
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package mongo
import (
"github.com/tinsane/storages/storage"
"github.com/wal-g/wal-g/internal"
"os"
"path"
)
type OpLogFetchSettings struct{}
func (settings OpLogFetchSettings) GetEndTsEnv() string {
return OplogEndTs
}
func (settings OpLogFetchSettings) GetDstEnv() string {
return OplogDst
}
func (settings OpLogFetchSettings) GetLogFolderPath() string {
return OplogPath
}
type OpLogFetchHandlers struct {
dstPathFolder string
}
func (handlers OpLogFetchHandlers) HandleAbortFetch(logFilePath string) error {
return os.Remove(logFilePath)
}
func (handlers OpLogFetchHandlers) GetLogFilePath(pathToLog string) (string, error) {
oplogFileSubFolder := path.Join(handlers.dstPathFolder, pathToLog)
err := os.MkdirAll(oplogFileSubFolder, os.ModePerm)
if err != nil {
return "", err
}
oplogFilePath := path.Join(oplogFileSubFolder, "oplog.bson")
return oplogFilePath, nil
}
func (handlers OpLogFetchHandlers) DownloadLogTo(logFolder storage.Folder, logName string, dstLogFilePath string) error {
return internal.DownloadWALFileTo(logFolder, logName, dstLogFilePath)
}
func (handlers OpLogFetchHandlers) ShouldBeAborted(pathToLog string) (bool, error) {
return false, nil
}
func FetchLogs(folder storage.Folder, backup *internal.Backup) error {
var streamSentinel StreamSentinelDto
var opLogFetchSettings OpLogFetchSettings
err := internal.FetchStreamSentinel(backup, &streamSentinel)
if err != nil {
return err
}
endTS, dstFolder, err := internal.GetOperationLogsSettings(opLogFetchSettings)
handlers := OpLogFetchHandlers{dstPathFolder: dstFolder}
_, err = internal.FetchLogs(folder, streamSentinel.StartLocalTime, endTS, opLogFetchSettings, handlers)
return err
}