def update_cluster(self, info, data, callback):
"""
updates an individual Cluster, this is the actual work function
@param info - info from ganeti
@param data - data from database
@param callback - callback fired when method is complete.
"""
mtime = data['mtime']
if not mtime or mtime < info['mtime']:
print ' Cluster (updated) : %(hostname)s' % data
#print ' %s :: %s' % (mtime, datetime.fromtimestamp(info['mtime']))
# only update the whole object if it is new or modified.
#
parsed = Cluster.parse_persistent_info(info)
Cluster.objects.filter(pk=data['id']) \
.update(serialized_info=cPickle.dumps(info), **parsed)
callback(data['id'])
