直接上sh脚本,内容如下:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | #!/bin/bash # 修改这个部分 auth_email="abc@abc.xyz" ###登录邮箱 auth_key="abcxyzxxxxxxxxxxxxxxxxxxzzzz" # 在cloudflare账号设置下面找到 zone_name="abc.xyz" #域名 record_name="test.abc.xyz" #DDNS的地址 # MAYBE CHANGE THESE ip=$(curl --interface eth0:0 -X GET ip.sb) ip_file="ip.txt" id_file="cloudflare.ids" log_file="cloudflare.log" # LOGGER log() { if [ "$1" ]; then echo -e "[$(date)] - $1" >> $log_file fi } # SCRIPT START log "Check Initiated" if [ -f $ip_file ]; then old_ip=$(cat $ip_file) if [ $ip == $old_ip ]; then echo "IP has not changed." exit 0 fi fi if [ -f $id_file ] && [ $(wc -l $id_file | cut -d " " -f 1) == 2 ]; then zone_identifier=$(head -1 $id_file) record_identifier=$(tail -1 $id_file) else zone_identifier=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones?name=$zone_name" -H "X-Auth-Email: $auth_email" -H "X-Auth-Key: $auth_key" -H "Content-Type: application/json" | grep -Po '(?<="id":")[^"]*' | head -1 ) record_identifier=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$zone_identifier/dns_records?name=$record_name" -H "X-Auth-Email: $auth_email" -H "X-Auth-Key: $auth_key" -H "Content-Type: application/json" | grep -Po '(?<="id":")[^"]*') echo "$zone_identifier" > $id_file echo "$record_identifier" >> $id_file fi update=$(curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$zone_identifier/dns_records/$record_identifier" -H "X-Auth-Email: $auth_email" -H "X-Auth-Key: $auth_key" -H "Content-Type: application/json" --data "{"id":"$zone_identifier","type":"A","name":"$record_name","content":"$ip"}") if [[ $update == *""success":false"* ]]; then message="API UPDATE FAILED. DUMPING RESULTS:\n$update" log "$message" echo -e "$message" exit 1 else message="IP changed to: $ip" echo "$ip" > $ip_file log "$message" echo "$message" fi |
PS:需要注意的坑: 脚本要放在crontab定时任务用户的家目录,例如 root 用户就放在 /root 目录.
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