Parse quantity allows to convert the value in the resources spec like:
        resources:
          requests:
            cpu: "100m"
            memory": "200Mi"
          limits:
            memory: "300Mi"
        :param string: str
        :return: float

def parse_quantity(string):
        """
        Parse quantity allows to convert the value in the resources spec like:
        resources:
          requests:
            cpu: "100m"
            memory": "200Mi"
          limits:
            memory: "300Mi"
        :param string: str
        :return: float
        """
        number, unit = '', ''
        for char in string:
            if char.isdigit() or char == '.':
                number += char
            else:
                unit += char
        return float(number) * FACTORS.get(unit, 1)