func ReadLabelCombinations()

in server/resource/v1/common.go [102:125]

• 23 lines of code
• 6 McCabe index (conditional complexity)

func ReadLabelCombinations(req *goRestful.Request) ([]map[string]string, error) {
	queryCombinations := req.QueryParameters(common.QueryParamQ)
	labelCombinations := make([]map[string]string, 0)
	for _, queryStr := range queryCombinations {
		labelStr := strings.Split(queryStr, " ")
		labels := make(map[string]string, len(labelStr))
		for _, label := range labelStr {
			l := strings.Split(label, ":")
			if len(l) != 2 {
				return nil, errors.New("wrong query syntax:" + label)
			}
			labels[l[0]] = l[1]
		}
		if len(labels) == 0 {
			continue
		}
		labelCombinations = append(labelCombinations, labels)
	}
	if len(labelCombinations) == 0 {
		return []map[string]string{{"default": "default"}}, nil
	}

	return labelCombinations, nil
}