# #
###############################################################################
+import datetime
import logging
import subprocess
import urllib2
DEFAULT_SETTINGS = {}
+ # holdoff time - Number of days no update is performed unless
+ # the IP address has changed.
+ holdoff_days = 30
+
# Automatically register all providers.
class __metaclass__(type):
def __init__(provider, name, bases, dict):
def __cmp__(self, other):
return cmp(self.hostname, other.hostname)
+ @property
+ def db(self):
+ return self.core.db
+
def get(self, key, default=None):
"""
Get a setting from the settings dictionary.
if force:
logger.debug(_("Updating %s forced") % self.hostname)
- # Check if we actually need to update this host.
- elif self.is_uptodate(self.protocols):
- logger.debug(_("The dynamic host %(hostname)s (%(provider)s) is already up to date") % \
- { "hostname" : self.hostname, "provider" : self.name })
+ # Do nothing if no update is required
+ elif not self.requires_update:
return
# Execute the update.
- self.update()
+ try:
+ self.update()
+
+ # In case of any errors, log the failed request and
+ # raise the exception.
+ except DDNSError as e:
+ self.core.db.log_failure(self.hostname, e)
+ raise
logger.info(_("Dynamic DNS update for %(hostname)s (%(provider)s) successful") % \
{ "hostname" : self.hostname, "provider" : self.name })
+ self.core.db.log_success(self.hostname)
def update(self):
for protocol in self.protocols:
# Maybe this will raise NotImplementedError at some time
#raise NotImplementedError
- def is_uptodate(self, protos):
+ @property
+ def requires_update(self):
+ # If the IP addresses have changed, an update is required
+ if self.ip_address_changed(self.protocols):
+ logger.debug(_("An update for %(hostname)s (%(provider)s)"
+ " is performed because of an IP address change") % \
+ { "hostname" : self.hostname, "provider" : self.name })
+
+ return True
+
+ # If the holdoff time has expired, an update is required, too
+ if self.holdoff_time_expired():
+ logger.debug(_("An update for %(hostname)s (%(provider)s)"
+ " is performed because the holdoff time has expired") % \
+ { "hostname" : self.hostname, "provider" : self.name })
+
+ return True
+
+ # Otherwise, we don't need to perform an update
+ logger.debug(_("No update required for %(hostname)s (%(provider)s)") % \
+ { "hostname" : self.hostname, "provider" : self.name })
+
+ return False
+
+ def ip_address_changed(self, protos):
"""
Returns True if this host is already up to date
and does not need to change the IP address on the
continue
if not current_address in addresses:
- return False
+ return True
+
+ return False
+
+ def holdoff_time_expired(self):
+ """
+ Returns true if the holdoff time has expired
+ and the host requires an update
+ """
+ # If no holdoff days is defined, we cannot go on
+ if not self.holdoff_days:
+ return False
+
+ # Get the timestamp of the last successfull update
+ last_update = self.db.last_update(self.hostname)
+
+ # If no timestamp has been recorded, no update has been
+ # performed. An update should be performed now.
+ if not last_update:
+ return True
+
+ # Determine when the holdoff time ends
+ holdoff_end = last_update + datetime.timedelta(days=self.holdoff_days)
- return True
+ now = datetime.datetime.utcnow()
+
+ if now >= holdoff_end:
+ logger.debug("The holdoff time has expired for %s" % self.hostname)
+ return True
+ else:
+ logger.debug("Updates for %s are held off until %s" % \
+ (self.hostname, holdoff_end))
+ return False
def send_request(self, *args, **kwargs):
"""
raise DDNSUpdateError
+class DDNSProviderMyOnlinePortal(DDNSProtocolDynDNS2, DDNSProvider):
+ handle = "myonlineportal.net"
+ name = "myonlineportal.net"
+ website = "https:/myonlineportal.net/"
+
+ # Information about the request and response can be obtained here:
+ # https://myonlineportal.net/howto_dyndns
+
+ url = "https://myonlineportal.net/updateddns"
+
+ def prepare_request_data(self, proto):
+ data = {
+ "hostname" : self.hostname,
+ "ip" : self.get_address(proto),
+ }
+
+ return data
+
+
class DDNSProviderNamecheap(DDNSResponseParserXML, DDNSProvider):
handle = "namecheap.com"
name = "Namecheap"
@property
def password(self):
- return self.get("secret")
+ return self.token or self.get("secret")
@property
def url(self):
handle = "spdns.org"
name = "SPDNS"
website = "http://spdns.org/"
- protocols = ("ipv4",)
# Detailed information about request and response codes are provided
# by the vendor. They are using almost the same mechanism and status
projects / oddments / ddns.git / blobdiff