func (self DiskImageExistsState) Assess(instance instanceTypes.BaseInstance) bool {
if instance.Type == instanceTypes.VM {
if _, err := os.Stat(instance.GetDiskImageFileName()); err == nil {
return true
}
}
return false
}
func (self DiskImageExistsState) Enforce(instance instanceTypes.BaseInstance) {
if _, fileErr := os.Stat(instance.GetDiskImageFileName()); os.IsNotExist(fileErr) {
imageSizeString := string(instance.RootDiskImageSize) + "GB"
imageFileName := instance.GetDiskImageFileName()
fmt.Printf("imageSizeString: %s\n", imageSizeString)
fmt.Printf("imageFileName: %s\n", imageFileName)
cmd := exec.Command("truncate", "-s", imageSizeString, instance.GetDiskImageFileName())
cmdErr := cmd.Run()
if cmdErr != nil {
fmt.Printf("ERROR: %s\n", cmdErr)
}
}
}