func GetHandlerEnv()

in main/handlerenv.go [32:55]

• 24 lines of code
• 7 McCabe index (conditional complexity)

func GetHandlerEnv() (he HandlerEnvironment, _ error) {
	dir, err := scriptDir()
	if err != nil {
		return he, fmt.Errorf("vmextension: cannot find base directory of the running process: %v", err)
	}
	paths := []string{
		filepath.Join(dir, HandlerEnvFileName),       // this level (i.e. executable is in [EXT_NAME]/.)
		filepath.Join(dir, "..", HandlerEnvFileName), // one up (i.e. executable is in [EXT_NAME]/bin/.)
	}
	var b []byte
	for _, p := range paths {
		o, err := ioutil.ReadFile(p)
		if err != nil && !os.IsNotExist(err) {
			return he, fmt.Errorf("vmextension: error examining HandlerEnvironment at '%s': %v", p, err)
		} else if err == nil {
			b = o
			break
		}
	}
	if b == nil {
		return he, fmt.Errorf("vmextension: Cannot find HandlerEnvironment at paths: %s", strings.Join(paths, ", "))
	}
	return ParseHandlerEnv(b)
}