M_Viper/cloudflare-ddns-updater
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cloudflare-ddns-updater
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Merge branch 'main' into main

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Jason K 2021-07-19 20:57:52 +08:00 committed by GitHub
parent 3c2d8933cf f639d9bcb2
commit cf243aa00b
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2 changed files with 21 additions and 11 deletions
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6
README.md
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@ -1,4 +1,5 @@
# Cloudflare Dynamic DNS IP Register # Cloudflare Dynamic DNS IP Updater
<img alt="GitHub" src="https://img.shields.io/github/license/K0p1-Git/cloudflare-ddns-updater?color=black"> <img alt="GitHub last commit (branch)" src="https://img.shields.io/github/last-commit/K0p1-Git/cloudflare-ddns-updater/main"> <img alt="GitHub contributors" src="https://img.shields.io/github/contributors/K0p1-Git/cloudflare-ddns-updater">
This script is used to update dynamic DNS entries for accounts on Cloudflare. This script is used to update dynamic DNS entries for accounts on Cloudflare.
@ -20,8 +21,7 @@ This script is used with crontab. Specify the frequency of execution through cro
# │ │ │ │ │ ┌───────────── command to issue # │ │ │ │ │ ┌───────────── command to issue
# │ │ │ │ │ │ # │ │ │ │ │ │
# │ │ │ │ │ │ # │ │ │ │ │ │
# * * * * * cd /{location of repo} && /{location of repo}/cloudflare-template.sh >> /cron.log 2>&1 # * * * * * /bin/bash {Location of the script}
# 0 0 */3 * * echo " " > /cloudflare-autoupdate.log >> /cron.log 2>&1
``` ```
## Contributing ## Contributing

26
cloudflare-template.sh
View File

@ -8,12 +8,22 @@ record_name="" # Which record you want to be
proxy=false # Set the proxy to true or false proxy=false # Set the proxy to true or false
###########################################
## Define date time stamp function
###########################################
function ds() {
date +"[%F %T]"
}
########################################### ###########################################
## Check if we have a public IP ## Check if we have a public IP
########################################### ###########################################
ip=$(curl -s https://api.ipify.org || curl -s https://ipv4.icanhazip.com/) ip=$(curl -s https://api.ipify.org || curl -s https://ipv4.icanhazip.com/)
if [ "${ip}" == "" ]; then
message="No public IP found." if [ "${ip}" == "" ]; then
message="$(ds) No public IP found."
>&2 echo -e "${message}" >> ~/log >&2 echo -e "${message}" >> ~/log
exit 1 exit 1
fi fi
@ -30,15 +40,15 @@ fi
########################################### ###########################################
## Seek for the A record ## Seek for the A record
########################################### ###########################################
echo " Check Initiated" >> ~/log
record=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$zone_identifier/dns_records?name=$record_name" -H "X-Auth-Email: $auth_email" -H "$auth_header $auth_key" -H "Content-Type: application/json")
echo "$(ds) Check Initiated" >> ~/log
record=$(curl -s -X GET "https://api.cloudflare.com/client/v4/zones/$zone_identifier/dns_records?name=$record_name" -H "X-Auth-Email: $auth_email" -H "X-Auth-Key: $auth_key" -H "Content-Type: application/json")
########################################### ###########################################
## Check if the domain has an A record ## Check if the domain has an A record
########################################### ###########################################
if [[ $record == *"\"count\":0"* ]]; then if [[ $record == *"\"count\":0"* ]]; then
message=" Record does not exist, perhaps create one first? (${ip} for ${record_name})" message="$(ds) Record does not exist, perhaps create one first? (${ip} for ${record_name})"
>&2 echo -e "${message}" >> ~/log >&2 echo -e "${message}" >> ~/log
exit 1 exit 1
fi fi
@ -49,7 +59,7 @@ fi
old_ip=$(echo "$record" | grep -Po '(?<="content":")[^"]*' | head -1) old_ip=$(echo "$record" | grep -Po '(?<="content":")[^"]*' | head -1)
# Compare if they're the same # Compare if they're the same
if [[ $ip == $old_ip ]]; then if [[ $ip == $old_ip ]]; then
message=" IP ($ip) for ${record_name} has not changed." message="$(ds) IP ($ip) for ${record_name} has not changed."
echo "${message}" >> ~/log echo "${message}" >> ~/log
exit 0 exit 0
fi fi
@ -73,11 +83,11 @@ update=$(curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$zone_identi
########################################### ###########################################
case "$update" in case "$update" in
*"\"success\":false"*) *"\"success\":false"*)
message="$ip $record_name DDNS failed for $record_identifier ($ip). DUMPING RESULTS:\n$update" message="$(ds) $ip $record_name DDNS failed for $record_identifier ($ip). DUMPING RESULTS:\n$update"
>&2 echo -e "${message}" >> ~/log >&2 echo -e "${message}" >> ~/log
exit 1;; exit 1;;
*) *)
message="$ip $record_name DDNS updated." message="$(ds) $ip $record_name DDNS updated."
echo "${message}" >> ~/log echo "${message}" >> ~/log
exit 0;; exit 0;;
esac esac