def _pull(self):
# Ping the instance and get its version
_logger.info( '%s Ping', self.address)
# _logger.info( "dump_json: %s", sync.cluster_state.get_state() + [{'address': sync.cluster_state.me}])
# Try to push your state to the other side
helpers.push_state( self.address, helpers.dump_json( sync.cluster_state.get_state() + [{'address': sync.cluster_state.me}]))
info = helpers.info( self.address)
if not info:
self._reachable = False
return
try:
self._version = data.DataVersion.from_dict( info[ 'version'])
except (TypeError, KeyError):
_logger.error( '%s Invalid pulled data', self.address)
return
self._touch_last_reachable()
# Check that the other instance has newer configuration
if self._version <= data.cur_data().version:
return
# The instance has newer configuration, try to pull it
_logger.info( '%s Pull', self.address)
content = helpers.pull( self.address)
if content is None:
return False
# Check in new data
if data.push_data( content):
config.save_configuration()
def _push(self):
"""Tries to push the current data to the other instance. """
# Check that current configuration is newer than that on the other instance
xdata = data.cur_data()
if self._version >= xdata.version:
return
# Push data
_logger.info( '%s Push', self.address)
result = helpers.push( self.address, helpers.dump_json({
'version': {
'sequence': xdata.version.sequence,
'checksum': xdata.version.checksum,
},
'data': xdata.data,
}))
_logger.info('push result: %s', result)
# Mark time when we tried to push new data
if result:
self._touch_last_push()
def _push(self):
"""Tries to push the current data to the other instance. """
# Check that current configuration is newer than that on the other instance
xdata = data.cur_data()
if self._version >= xdata.version:
return
# Push data
_logger.info('%s Push', self.address)
result = helpers.push(
self.address,
helpers.dump_json({
'version': {
'sequence': xdata.version.sequence,
'checksum': xdata.version.checksum,
},
'data': xdata.data,
}))
_logger.info('push result: %s', result)
# Mark time when we tried to push new data
if result:
self._touch_last_push()
def _pull(self):
# Ping the instance and get its version
_logger.info('%s Ping', self.address)
# _logger.info( "dump_json: %s", sync.cluster_state.get_state() + [{'address': sync.cluster_state.me}])
# Try to push your state to the other side
helpers.push_state(
self.address,
helpers.dump_json(sync.cluster_state.get_state() +
[{
'address': sync.cluster_state.me
}]))
info = helpers.info(self.address)
if not info:
self._reachable = False
return
try:
self._version = data.DataVersion.from_dict(info['version'])
except (TypeError, KeyError):
_logger.error('%s Invalid pulled data', self.address)
return
self._touch_last_reachable()
# Check that the other instance has newer configuration
if self._version <= data.cur_data().version:
return
# The instance has newer configuration, try to pull it
_logger.info('%s Pull', self.address)
content = helpers.pull(self.address)
if content is None:
return False
# Check in new data
if data.push_data(content):
config.save_configuration()
