github.com/cloud-foundations/dominator@v0.0.0-20221004181915-6e4fee580046/lib/fsutil/loopback.go (about) 1 package fsutil 2 3 import ( 4 "fmt" 5 "os/exec" 6 "strings" 7 ) 8 9 func loopbackDelete(loopDevice string) error { 10 return exec.Command("losetup", "-d", loopDevice).Run() 11 } 12 13 func loopbackSetup(filename string) (string, error) { 14 cmd := exec.Command("losetup", "-fP", "--show", filename) 15 output, err := cmd.CombinedOutput() 16 if err != nil { 17 return "", fmt.Errorf("%s: %s", err, output) 18 } 19 return strings.TrimSpace(string(output)), nil 20 }