// ReadRecipe reads the named recipe file. If the name is not specified, it
// searchs the recipe file in specified directory.
// If failed to read recipe, it returns an error.
func ReadRecipe(name string, dir string) (*Recipe, error) {
var r io.Reader
var err error
if name != "" {
name, r, err = openFile(name)
} else {
name, r, err = findFile(dir)
}
if err != nil {
return nil, err
}
logger.Debugf("------ reading recipe file: %s", name)
data, err := ioutil.ReadAll(r)
if err != nil {
logger.Fatalf("can not read the file: %s", err)
}
switch {
case strings.HasSuffix(name, ".json"):
r, err := ParseJSON(data)
if err != nil {
if e, ok := err.(*json.SyntaxError); ok {
line, pos := getCaretPos(data, int(e.Offset))
return nil, fmt.Errorf("can not parse the JSON file: %s near line %d, pos %d", err, line, pos)
}
return nil, fmt.Errorf("can not parse the JSON file: %s", err)
}
return r, nil
}
return nil, fmt.Errorf("unsupported file format")
}
func (c *logging) initLogging() {
if c.Quiet {
logger.RemoveOutput(logger.StdoutOutput)
}
if c.TextLogFile != "" {
file, err := os.OpenFile(c.TextLogFile, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
if err != nil {
logger.Fatalf("can not open the log file, %s", err)
}
logger.AddOutput(logger.TextOutput(file))
}
if c.JSONLogFile != "" {
file, err := os.OpenFile(c.JSONLogFile, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
if err != nil {
logger.Fatalf("can not open the JSON log file, %s", err)
}
logger.AddOutput(logger.JSONOutput(file))
}
}