class DDNSHelper(object):
def __init__(self, config):
self.config = config
self.resolver = YunResolver(self.config.accessId,
self.config.accessKey, self.config.debug)
def getRemoteDomainRecordList(self, domain):
if not domain:
DDNSUtils.err("getDomainReordId: You must specify domain name.")
return None
# try get domain record id
domainRecordList = self.resolver.describeDomainRecords(domain)
return domainRecordList
def matchRemoteDomainRecord(self, domain, subDomain, type):
if not domain:
DDNSUtils.err("matchRemoteDomainRecord: You must specify domain.")
return None
if not subDomain:
DDNSUtils.err(
"matchRemoteDomainRecord: You must specify sub_domain.")
return None
if not type:
DDNSUtils.err("matchRemoteDomainRecord: You must specify type.")
return None
remoteRecordList = self.resolver.describeDomainRecords(
domain, rrKeyword=subDomain, typeKeyword=type)
if not remoteRecordList:
return None
if len(remoteRecordList) > 1:
DDNSUtils.err(
"Duplicate domain records set in Aliyun: (sub_domain: %s, domain: %s)"
% (subDomain, domain))
return None
return remoteRecordList[0]
def extractDomainRecordId(self, recordInfo):
id = None
try:
id = recordInfo['RecordId']
except Exception, e:
DDNSUtils.err(
"Failed to get domain record id from {0}".format(recordInfo))
DDNSUtils.err("Exception:\n{0}".format(e))
return id
class DDNSHelper(object):
def __init__(self, config):
self.config = config
self.resolver = YunResolver(self.config.accessId, self.config.accessKey, self.config.debug)
def getRemoteDomainRecordList(self, domain):
if not domain:
DDNSUtils.err("getDomainReordId: You must specify domain name.")
return None
# try get domain record id
domainRecordList = self.resolver.describeDomainRecords(domain)
return domainRecordList
def matchRemoteDomainRecord(self, domain, subDomain, type):
if not domain:
DDNSUtils.err("matchRemoteDomainRecord: You must specify domain.")
return None
if not subDomain:
DDNSUtils.err("matchRemoteDomainRecord: You must specify sub_domain.")
return None
if not type:
DDNSUtils.err("matchRemoteDomainRecord: You must specify type.")
return None
remoteRecordList = self.resolver.describeDomainRecords(domain, rrKeyword=subDomain, typeKeyword=type)
if not remoteRecordList:
return None
return remoteRecordList[0]
def extractDomainRecordId(self, recordInfo):
id = None
try:
id = recordInfo['RecordId']
except Exception,e:
DDNSUtils.err("Failed to get domain record id from {0}".format(recordInfo))
DDNSUtils.err("Exception:\n{0}".format(e))
return id
def __init__(self, config):
self.config = config
self.resolver = YunResolver(self.config.access_id,
self.config.access_key, self.config.debug)
self.local_record_list = self.get_local_record_list()
class DDNSDomainRecordManager(object):
"""
Manager class used to manage local domain record and remote domain records
"""
def __init__(self, config):
self.config = config
self.resolver = YunResolver(self.config.access_id,
self.config.access_key, self.config.debug)
self.local_record_list = self.get_local_record_list()
def get_local_record_list(self):
"""
Create local domain record objectes based on local config info
:return: list of LocalDomainRecord objects
"""
local_record_list = []
for section in self.config.get_domain_record_sections():
try:
local_record = LocalDomainRecord(self.config, section)
except ValueError:
continue
local_record_list.append(local_record)
return local_record_list
def find_local_record(self, remote_record):
"""
Find LocalDomainRecord based on RemoteDomainRecord
:param RemoteDomainRecord
:return: LocalDomainRecord or None
"""
for local_record in self.local_record_list:
if all(
getattr(local_record, attr) == getattr(
remote_record, attr)
for attr in ('domainname', 'rr', 'type')):
return local_record
return None
def fetch_remote_record(self, local_record):
"""
Fetch RemoteDomainReord from Aliyun server by using LocalDomainRecord info
:param LocalDomainRecord
:return: RemoteDomainRecord or None
"""
# Aliyun use fuzzy matching pattern for RR and type keyword
fuzzy_matched_list = self.resolver.describe_domain_records(
local_record.domainname,
rr_keyword=local_record.rr,
type_keyword=local_record.type)
if not fuzzy_matched_list:
DDNSUtils.err("Failed to fetch remote DomainRecords.")
return None
exact_matched_list = []
check_keys = ('DomainName', 'RR', 'Type')
for rec in fuzzy_matched_list:
if all(
rec.get(key, None) == getattr(local_record, key.lower())
for key in check_keys):
exact_matched_list.append(rec)
if not exact_matched_list:
return None
if len(exact_matched_list) > 1:
DDNSUtils.err(
"Duplicate DomainRecord in Aliyun: {rec.subdomain}.{rec.domainname}"
.format(rec=local_record))
return None
try:
remote_record = RemoteDomainRecord(exact_matched_list[0])
except Exception as ex:
raise ex
return remote_record
def update(self, remote_record, current_public_ip, record_type='A'):
"""
Update RemoteDomainRecord 's value to current public IP on Aliyun server
:param RemoteDomainRecord:
:param current public IP
:return: True or False
"""
return self.resolver.update_domain_record(
remote_record.recordid,
rr=remote_record.rr,
record_value=current_public_ip,
record_type=record_type)
def __init__(self, config):
self.config = config
self.resolver = YunResolver(self.config.access_id, self.config.access_key, self.config.debug)
self.local_record_list = self.get_local_record_list()
class DDNSDomainRecordManager(object):
"""
Manager class used to manage local domain record and remote domain records
"""
def __init__(self, config):
self.config = config
self.resolver = YunResolver(self.config.access_id, self.config.access_key, self.config.debug)
self.local_record_list = self.get_local_record_list()
def get_local_record_list(self):
"""
Create local domain record objectes based on local config info
:return: list of LocalDomainRecord objects
"""
local_record_list = []
for section in self.config.get_domain_record_sections():
try:
local_record = LocalDomainRecord(self.config, section)
except ValueError:
continue
local_record_list.append(local_record)
return local_record_list
def find_local_record(self, remote_record):
"""
Find LocalDomainRecord based on RemoteDomainRecord
:param RemoteDomainRecord
:return: LocalDomainRecord or None
"""
for local_record in self.local_record_list:
if all(getattr(local_record, attr) == getattr(remote_record, attr)
for attr in ('domainname', 'rr', 'type')):
return local_record
return None
def fetch_remote_record(self, local_record):
"""
Fetch RemoteDomainReord from Aliyun server by using LocalDomainRecord info
:param LocalDomainRecord
:return: RemoteDomainRecord or None
"""
# Aliyun use fuzzy matching pattern for RR and type keyword
fuzzy_matched_list = self.resolver.describe_domain_records(local_record.domainname,
rr_keyword=local_record.rr,
type_keyword=local_record.type)
if not fuzzy_matched_list:
DDNSUtils.err("Failed to fetch remote DomainRecords.")
return None
exact_matched_list = []
check_keys = ('DomainName', 'RR', 'Type')
for rec in fuzzy_matched_list:
if all(rec.get(key, None) == getattr(local_record, key.lower()) for key in check_keys):
exact_matched_list.append(rec)
if not exact_matched_list:
return None
if len(exact_matched_list) > 1:
DDNSUtils.err("Duplicate DomainRecord in Aliyun: {rec.subdomain}.{rec.domainname}"
.format(rec=local_record))
return None
try:
remote_record = RemoteDomainRecord(exact_matched_list[0])
except Exception as ex:
raise ex
return remote_record
def update(self, remote_record, current_public_ip):
"""
Update RemoteDomainRecord 's value to current public IP on Aliyun server
:param RemoteDomainRecord:
:param current public IP
:return: True or False
"""
return self.resolver.update_domain_record(remote_record.recordid,
rr=remote_record.rr,
record_value=current_public_ip)
def __init__(self, config):
self.config = config
self.resolver = YunResolver(self.config.accessId, self.config.accessKey, self.config.debug)
def __init__(self, config):
self.config = config
self.resolver = YunResolver(self.config.accessId, self.config.accessKey, self.config.debug)
class DDNSHelper(object):
def __init__(self, config):
self.config = config
self.resolver = YunResolver(self.config.accessId,
self.config.accessKey, self.config.debug)
def getRemoteDomainRecordList(self, domain):
if not domain:
DDNSUtils.err("getDomainRecordId: You must specify domain name.")
return None
# try get domain record id
domainRecordList = self.resolver.describeDomainRecords(domain)
return domainRecordList
def matchRemoteDomainRecord(self, domain, subDomain, type):
if not domain:
DDNSUtils.err("matchRemoteDomainRecord: You must specify domain.")
return None
if not subDomain:
DDNSUtils.err(
"matchRemoteDomainRecord: You must specify sub_domain.")
return None
if not type:
DDNSUtils.err("matchRemoteDomainRecord: You must specify type.")
return None
remoteRecordList = self.resolver.describeDomainRecords(
domain, rrKeyword=subDomain, typeKeyword=type)
if not remoteRecordList:
return None
return remoteRecordList[0]
def extractDomainRecordId(self, recordInfo):
id = None
try:
id = recordInfo['RecordId']
except Exception as e:
DDNSUtils.err(
"Failed to get domain record id from {0}".format(recordInfo))
DDNSUtils.err("Exception:\n{0}".format(e))
return id
def extractDomainRecordValue(self, recordInfo):
value = None
try:
value = recordInfo['Value']
except Exception as e:
DDNSUtils.err("Failed to get domain record value from {0}".format(
recordInfo))
DDNSUtils.err("Exception:\n{0}".format(e))
return value
def sync(self, localRecord, currentPublicIP):
if not localRecord.id:
DDNSUtils.err("You must specify domain record id.")
return False
if not localRecord.subDomain:
DDNSUtils.err("You must specify subdomain name.")
return False
if not currentPublicIP:
DDNSUtils.err("Current public ip is empty.")
return False
result = self.resolver.updateDomainRecord(localRecord.id,
rr=localRecord.subDomain,
value=currentPublicIP)
# if we update domain record successfully, save current domain record value to config file
if result is True:
if not self.config.save(localRecord.alias, "value",
currentPublicIP):
DDNSUtils.err(
"Failed to save domain record value to config file")
return False
return result
def syncFirstTime(self, localRecord, currentPublicIP):
remoteRecord = self.matchRemoteDomainRecord(localRecord.domain,
localRecord.subDomain,
localRecord.type)
if not remoteRecord:
DDNSUtils.err("Failed to match remote domain record for {0}.{1}"
"".format(localRecord.subDomain, localRecord.domain))
return False
remoteRecordId = self.extractDomainRecordId(remoteRecord)
if not remoteRecordId:
DDNSUtils.err(
"Failed to extract domain id from remote domain record desc")
return False
# save domain record id for future reference
if not self.config.save(localRecord.alias, "id", remoteRecordId):
DDNSUtils.err("Failed to save domain record id to config file")
return False
remoteRecordValue = self.extractDomainRecordValue(remoteRecord)
if not remoteRecordValue:
DDNSUtils.err(
"Failed to extract domain value from remote domain record desc"
)
return False
# Now, check if domain record value is different with current public ip or not
if currentPublicIP != remoteRecordValue or currentPublicIP != localRecord.value:
return self.sync(localRecord, currentPublicIP)
if self.config.debug:
DDNSUtils.info(
"No change with domain record value on remote server, skip it..."
)
return True
