rancher/os
1
0
Fork 1
mirror of https://github.com/rancher/os.git synced 2025-07-30 22:24:33 +00:00
Code Issues Releases Wiki Activity

Merge pull request #1208 from joshwget/reduce-memory-usage

Browse Source 
Reduce memory usage copying Docker binaries
This commit is contained in:
Darren Shepherd 2016-09-01 10:53:13 -07:00 committed by GitHub
commit 2081b1be95
1 changed files with 18 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
cmd/userdocker/main.go
View File

@ -96,11 +96,27 @@ func copyBinaries(source, dest string) error {
sourceFile := path.Join(source, file.Name())
destFile := path.Join(dest, file.Name())
data, err := ioutil.ReadFile(sourceFile)
in, err := os.Open(sourceFile)
if err != nil {
return err
}
if err := ioutil.WriteFile(destFile, data, 0751); err != nil {
out, err := os.Create(destFile)
if err != nil {
return err
}
if _, err = io.Copy(out, in); err != nil {
return err
}
if err = out.Sync(); err != nil {
return err
}
if err = in.Close(); err != nil {
return err
}
if err = out.Close(); err != nil {
return err
}
if err := os.Chmod(destFile, 0751); err != nil {
return err
}
}