func TestCleanString(t *testing.T) {
clean := util.CleanString(" spaces \t\n ")
if clean != "spaces" {
t.Error("Expected to receive string 'spaces'")
}
clean = util.CleanString(" ' embedded spaces 1 ' ")
if clean != " embedded spaces 1 " {
t.Error("Expected to receive string ' embedded spaces 1 '")
}
clean = util.CleanString(" \" embedded spaces 2 \" ")
if clean != " embedded spaces 2 " {
t.Error("Expected to receive string ' embedded spaces '")
}
}
// Expand the tilde in the data_path setting to an absolute path.
// Returns the expanded path, or an error.
func expandedDataDir(configFile string) (string, error) {
file, err := os.Open(configFile)
if err != nil {
return "", fmt.Errorf("Cannot open config file: %v\n", err)
}
defer file.Close()
bufReader := bufio.NewReader(file)
for {
line, err := bufReader.ReadString('\n')
if err == io.EOF {
break
} else if err != nil {
return "", err
}
cleanLine := strings.TrimSpace(line)
if strings.HasPrefix(cleanLine, "data_path") {
parts := strings.SplitN(cleanLine, "=", 2)
if len(parts) < 2 {
return "", fmt.Errorf("Config file setting for data_path is missing or malformed.")
}
expanded, err := fileutil.ExpandTilde(util.CleanString(parts[1]))
if err != nil {
return "", fmt.Errorf("Cannot expand data_dir setting '%s': %v", parts[1], err)
}
if !fileutil.FileExists(expanded) {
fmt.Printf("Creating NSQ data directory %s \n", expanded)
os.MkdirAll(expanded, 0755)
}
return expanded, nil
}
}
return "", nil
}