def announce(self):
'''
Announce the local node to another OpenRelay node
'''
full_ip_address = self.get_full_ip_address()
url = self.get_service_url('service-announce')
try:
response = requests.post(url, data=self.get_id_package())
except requests.ConnectionError:
logger.error('unable to connect to url: %s' % url)
raise AnnounceClientError('Unable to join network')
if response.status_code == status.OK:
node_answer = loads(response.content)
if node_answer['uuid'] == LocalNode.get().uuid:
logger.error('announce service on node with uuid: %s and url: %s, responded the same UUID as the local server' % (node_answer['uuid'], full_ip_address))
raise AnnounceClientError('Remote and local nodes identity conflict')
else:
sibling_data = {
'ip_address': node_answer['ip_address'],
'port': node_answer['port'],
'name': node_answer['name'],
'email': node_answer['email'],
'comment': node_answer['comment'],
}
sibling, created = Sibling.objects.get_or_create(uuid=node_answer['uuid'], defaults=sibling_data)
if not created:
sibling.ip_address = sibling_data['ip_address']
sibling.port = sibling_data['port']
sibling.save()
else:
logger.error('announce service on remote node responded with a non OK code')
raise AnnounceClientError('Unable to join network')
def post(self, request):
uuid = request.POST.get('uuid')
ip_address = request.POST.get('ip_address')
port = request.POST.get('port')
logger.info('received announce call from: %s @ %s' % (uuid, request.META['REMOTE_ADDR']))
if uuid and ip_address and port:
sibling_data = {'ip_address': ip_address, 'port': port}
# TODO: Verify node identity
sibling, created = Sibling.objects.get_or_create(uuid=uuid, defaults=sibling_data)
if not created:
sibling.ip_address = sibling_data['ip_address']
sibling.port = sibling_data['port']
sibling.save()
local_node = LocalNode.get()
local_node_info = {
'ip_address': IPADDRESS,
'port': PORT,
'uuid': local_node.uuid,
'name': local_node.name,
'email': local_node.email,
'comment': local_node.comment,
}
return local_node_info
else:
return Response(status.PARTIAL_CONTENT)
def get_id_package(self):
local_node = LocalNode.get()
return {
'ip_address': IPADDRESS,
'port': PORT,
'uuid': local_node.uuid,
}
def node_info(request):
return render_to_response('node_list.html', {
'object_list': [LocalNode.get()],
'title': _(u'Local node information'),
}, context_instance=RequestContext(request))
