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k3s
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Create a "current" symlink to artifact dir in DataDir (#1786) 

* Create a current symlink to artifact dir in DataDir

* Rename symlink to previous instead of current.prev...

Co-authored-by: Gaussen Benoît <benoit.gaussen@orange.com>
pull/2100/head
Benoit Gaussen 2020-08-18 07:00:51 +02:00 committed by GitHub
parent da3e26a624
commit 7fb1797fd3
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1 changed files with 11 additions and 0 deletions
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11
cmd/k3s/main.go
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@ -141,5 +141,16 @@ func extract(dataDir string) (string, error) {
return "", err
}
currentSymLink := filepath.Join(dataDir, "data", "current")
previousSymLink := filepath.Join(dataDir, "data", "previous")
if _, err := os.Lstat(currentSymLink); err == nil {
if err := os.Rename(currentSymLink, previousSymLink); err != nil {
return "", err
}
}
if err := os.Symlink(dir, currentSymLink); err != nil {
return "", err
}
return dir, os.Rename(tempDest, dir)
}