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 _load_from_content( content): # Content must contain data and state if not 'copy' in content or not 'cluster' in content: return False if data.push_data( content[ 'copy']): sync.cluster_state.update_state( content[ 'cluster']) return True return False
def _load_from_content(content):
# Content must contain data and state
if not 'copy' in content or not 'cluster' in content:
return False
if data.push_data(content['copy']):
sync.cluster_state.update_state(content['cluster'])
return True
return False
def put_copy(self): """ Pushes new data """ # Get content content = self._read_input_json() # Update with the content given if data.push_data( content): config.save_configuration() self._response_created()
def put_copy(self):
""" Pushes new data """
# Get content
content = self._read_input_json()
# Update with the content given
if data.push_data(content):
config.save_configuration()
self._response_created()
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()
