forked from Cloud-Foundations/Dominator
/
getRaw.go
41 lines (37 loc) · 1.13 KB
/
getRaw.go
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package main
import (
"fmt"
"time"
uclient "github.com/Cloud-Foundations/Dominator/imageunpacker/client"
"github.com/Cloud-Foundations/Dominator/lib/format"
"github.com/Cloud-Foundations/Dominator/lib/fsutil"
"github.com/Cloud-Foundations/Dominator/lib/log"
"github.com/Cloud-Foundations/Dominator/lib/srpc"
)
func getRawSubcommand(args []string, logger log.DebugLogger) error {
if err := getRaw(getClient(), args[0], logger); err != nil {
return fmt.Errorf("error getting raw data: %s", err)
}
return nil
}
func getRaw(client *srpc.Client, streamName string,
logger log.DebugLogger) error {
if *filename == "" {
return fmt.Errorf("no image filename specified")
}
reader, length, err := uclient.GetRaw(client, streamName)
if err != nil {
return err
}
defer reader.Close()
startTime := time.Now()
err = fsutil.CopyToFile(*filename, fsutil.PrivateFilePerms, reader, length)
if err != nil {
return err
}
timeTaken := time.Since(startTime)
logger.Printf("downloaded %s in %s (%s/s)\n",
format.FormatBytes(length), format.Duration(timeTaken),
format.FormatBytes(uint64(float64(length)/timeTaken.Seconds())))
return nil
}