feat(config): supports cli argument and environment variables to set config

[NewFuture]

配置可通过 命令行参数或者环境变量 #220 传递

优先级

命令行参数 > 配置文件 > 环境变量

参数

命令行 : --key
环境变量(DDNS 前缀): ${DDNS_KEY} (或者全小写)

详情

ddns [-h] [-v] [-c CONFIG] [--dns {alidns,cloudflare,dnscom,dnspod,dnspod_com,he,huaweidns,callback}] [--id ID] [--token TOKEN] [--ipv4 [IPV4 [IPV4 ...]]] [--ipv6 [IPV6 [IPV6 ...]]] [--index4 INDEX4] [--index6 INDEX6]
              [--ttl TTL] [--proxy [PROXY [PROXY ...]]] [--debug [DEBUG]] [--cache [CACHE]]

optional arguments:
  -h, --help            show this help message and exit
  -v, --version         show program's version number and exit
  -c CONFIG, --config CONFIG
                        run with config file [配置文件路径]
  --dns {alidns,cloudflare,dnscom,dnspod,dnspod_com,he,huaweidns,callback}
                        DNS Provider [DNS服务提供商]
  --id ID               api ID [授权账户]
  --token TOKEN         api token or Secret key [授权访问凭证或密钥]
  --ipv4 [IPV4 [IPV4 ...]]
                        ipv4 domain list [IPV4域名列表]
  --ipv6 [IPV6 [IPV6 ...]]
                        ipv6 domain list [IPV6域名列表]
  --index4 INDEX4       the way to get ipv4 [IPV4 获取方式]
  --index6 INDEX6       the way to get ipv6 [IPV6获取方式]
  --ttl TTL             ttl for DNS [DNS 解析 TTL 时间]
  --proxy [PROXY [PROXY ...]]
                        https proxy [设置http 代理，多代理逐个尝试直到成功]
  --debug [DEBUG]       debug mode [是否开启调试,默认否]
  --cache [CACHE]       eusing cache [是否缓存记录,默认是]