通过Cloudflare API更新DNS记录

2020又一新年了

今年第一篇贴一个通过Cloudflare API更新DNS记录的脚本

过程基于OpenWRT系统，需要先安装curl和jsonfilter

先在Profile->api-tokens中申请一个API Token，权限需要Zone->Zone以及Zone->DNS的Edit权限

得到的token作为变量cftoken

需要知道zone的ID，可以在域名Overview中看到,作为变量zoneid

需要DDNS的域名作为变量record_name

以下是更新A记录的脚本

update_dns.sh

#!/bin/sh
wanip_v4=`curl -s -k https://ip.cn | jsonfilter -e "$.ip"`
record_name='abc.example.com'
zoneid='cd7d0123e3012345da9420df9514dad0'
cftoken='YQSn-xWAQiiEh9qM58wZNnyQS7FUdoqGIUAbrh7T'
zoneinfo=`curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$zoneid/dns_records?name=$record_name&type=A" 
     -H "Authorization: Bearer $cftoken" 
     -H "Content-Type:application/json"`

recordid=`jsonfilter -s $zoneinfo -e '$.result[0].id'`

result_cf=`curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$zoneid/dns_records/$recordid" 
     -H "Authorization: Bearer $cftoken" 
     -H "Content-Type: application/json" 
     --data "{"type":"A","name":"$record_name","content": "$wanip_v4", "ttl":1,"proxied":false}"`
echo $result_cf

以下是更新AAAA记录的脚本

update_dnsv6.sh

#!/bin/sh
wanip_v6=`curl -s ipv6.ip.sb`
record_name='abc.example.com'
zoneid='cd7d0123e3012345da9420df9514dad0'
cftoken='YQSn-xWAQiiEh9qM58wZNnyQS7FUdoqGIUAbrh7T'
zoneinfo=`curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$zoneid/dns_records?name=$record_name&type=AAAA" 
     -H "Authorization: Bearer $cftoken" 
     -H "Content-Type:application/json"`

recordid=`jsonfilter -s $zoneinfo -e '$.result[0].id'`

result_cf=`curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$zoneid/dns_records/$recordid" 
     -H "Authorization: Bearer $cftoken" 
     -H "Content-Type: application/json" 
     --data "{"type":"AAAA","name":"$record_name","content": "$wanip_v6", "ttl":1,"proxied":false}"`
echo $result_cf

发布于: Wednesday 1 January 2020 分享至微博

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