比较阿里云 OSS 于 CDN 价格

compare_oss_cdn.py

#!/usr/bin/env python -O

def compare_price(requests_count: int, cdn_hit_ratio: float, obj_size_kb: int):
    cdn_traffic_per_gb_price = 0.24
    cdn_https_requests_per_10_thousand_price = 0.05
    cdn_back_to_origin_traffic_per_gb = 0.15

    oss_traffic_per_gb_price = 0.5
    oss_get_per_10_thousand_price = 0.01

    # CDN
    # https://www.aliyun.com/price/detail/cdn
    # https://help.aliyun.com/document_detail/326338.html
    hit_requests = int(requests_count * cdn_hit_ratio)
    miss_requests = requests_count - hit_requests
    cdn_total_price = requests_count * obj_size_kb * cdn_traffic_per_gb_price / 1024**2 + requests_count * cdn_https_requests_per_10_thousand_price / 10000 + miss_requests * obj_size_kb * cdn_back_to_origin_traffic_per_gb / 1024**2

    # OSS
    # https://www.aliyun.com/price/detail/oss
    oss_total_price = requests_count * obj_size_kb * oss_traffic_per_gb_price / 1024**2 + requests_count * oss_get_per_10_thousand_price / 10000

    print('OSS total price:', oss_total_price)
    print('CDN total price:', cdn_total_price)


compare_price(10000, 0.5, 200)