MIkrotik Cloudflare DDNS setup for DHCP-Client

gistfile1.txt

#zone id (domain) for which the records will be updated
:local cfZoneId ""
#api token with zone.dns permissions for the cfzoneid
:local cfApiToken ""
#record id which to update
#could be made into an array and iterator, but for me with one * and one @entry its not worth it
:local cfRecordId1 ""
:local cfRecordId2 ""

:local cfUrl "https://api.cloudflare.com/client/v4/zones/$cfZoneId/dns_records/"
:local cfAuthHeader "Authorization: Bearer $cfApiToken,Content-Type:application/json"

:if ($bound=1) do={

    :log info "IP lease received, updating DDNS"
    :local cfBody "{\"content\": \"$"lease-address"\"}"
    #This has cost me about 2 hours of my life. For whatever reason, if fetch executes immediately after receiving the lease-address, it will fail with "Download from api.cloudflare.com FAILED: Address not available"
    :delay 1

    /tool fetch url="$cfUrl$cfRecordId1" http-header-field=$cfAuthHeader http-data=$cfBody mode=https keep-result=no http-method=patch
    /tool fetch url="$cfUrl$cfRecordId2" http-header-field=$cfAuthHeader http-data=$cfBody mode=https keep-result=no http-method=patch

} else={
    :log info "No IP lease, nothing to be done with DDNS"
}
:log info "DHCP Client script ran successfully"