def main():
"""
Main routine
"""
config = DDNSConfig()
record_manager = DDNSDomainRecordManager(config)
for local_record in record_manager.local_record_list:
family = AF_INET if local_record.type == 'A' else AF_INET6
interface = local_record.interface
if interface is None:
current_public_ip = {
AF_INET: DDNSUtils.get_current_public_ip(),
AF_INET6: DDNSUtils.get_current_public_ipv6()
}
else:
current_public_ip = {
AF_INET: DDNSUtils.get_interface_address(interface),
AF_INET6: DDNSUtils.get_interface_address(interface, AF_INET6)
}
if not current_public_ip:
DDNSUtils.info(
"Unable to get current IP for [{rec.subdomain}.{rec.domainname}.{rec.type}]"
.format(rec=local_record))
continue
dns_resolved_ip = DDNSUtils.get_dns_resolved_ip(
local_record.subdomain, local_record.domainname, family)
if current_public_ip[family] == dns_resolved_ip:
DDNSUtils.info("Skipped as no changes for DomainRecord" \
"[{rec.subdomain}.{rec.domainname}.{rec.type}]".format(rec=local_record))
continue
# If current public IP doesn't equal to current DNS resolved ip, only in three cases:
# 1. The new synced IP for remote record in Aliyun doesn't take effect yet
# 2. remote record's IP in Aliyun server has changed
# 3. current public IP is changed
remote_record = record_manager.fetch_remote_record(local_record)
if not remote_record:
DDNSUtils.err("Failed finding remote DomainRecord" \
"[{rec.subdomain}.{rec.domainname}]".format(rec=local_record))
continue
if current_public_ip[family] == remote_record.value:
DDNSUtils.info("Skipped as we already updated DomainRecord" \
"[{rec.subdomain}.{rec.domainname}]".format(rec=local_record))
continue
# if we can fetch remote record and record's value doesn't equal to public IP
record_type = 'A' if family == AF_INET else 'AAAA'
sync_result = record_manager.update(remote_record,
current_public_ip[family],
record_type)
if not sync_result:
DDNSUtils.err("Failed updating DomainRecord" \
"[{rec.subdomain}.{rec.domainname}]".format(rec=local_record))
else:
DDNSUtils.info("Successfully updated DomainRecord" \
"[{rec.subdomain}.{rec.domainname}]".format(rec=local_record))
def main():
"""
Main routine
"""
config = DDNSConfig()
record_manager = DDNSDomainRecordManager(config)
# get current public ip for this server
if config.pifn_enable:
current_public_ip = DDNSUtils.get_interface_address(
config.pifn_interface)
else:
current_public_ip = DDNSUtils.get_current_public_ip()
if not current_public_ip:
DDNSUtils.err_and_exit("Failed to get current public IP")
for local_record in record_manager.local_record_list:
if local_record.subdomain == '*':
dns_resolved_ip = DDNSUtils.get_dns_resolved_ip(
'xxx', local_record.domainname)
else:
dns_resolved_ip = DDNSUtils.get_dns_resolved_ip(
local_record.subdomain, local_record.domainname)
if local_record.type == "AAAA":
current_ip = DDNSUtils.get_interface_ipv6_address(
local_record.interface)
else:
current_ip = current_public_ip
if current_ip == dns_resolved_ip:
DDNSUtils.info("Skipped as no changes for DomainRecord" \
"[{rec.subdomain}.{rec.domainname}]".format(rec=local_record))
continue
# If current public IP doesn't equal to current DNS resolved ip, only in three cases:
# 1. The new synced IP for remote record in Aliyun doesn't take effect yet
# 2. remote record's IP in Aliyun server has changed
# 3. current public IP is changed
remote_record = record_manager.fetch_remote_record(local_record)
if not remote_record:
DDNSUtils.err("Failed finding remote DomainRecord" \
"[{rec.subdomain}.{rec.domainname}]".format(rec=local_record))
continue
if current_ip == remote_record.value:
DDNSUtils.info("Skipped as we already updated DomainRecord" \
"[{rec.subdomain}.{rec.domainname}]".format(rec=local_record))
continue
# if we can fetch remote record and record's value doesn't equal to public IP
sync_result = record_manager.update(remote_record, current_ip,
local_record.type)
if not sync_result:
DDNSUtils.err("Failed updating DomainRecord" \
"[{rec.subdomain}.{rec.domainname}]".format(rec=local_record))
else:
DDNSUtils.info("Successfully updated DomainRecord" \
"[{rec.subdomain}.{rec.domainname}]".format(rec=local_record))