blob: 5375a8d96a0067939d8b5f32d393834b36f2db94 [file] [log] [blame]
import os
import base64
import struct
import socket
from collections import defaultdict
from netaddr import IPAddress, IPNetwork
from django.db.models import F, Q
from xos.config import Config
from synchronizers.base.openstacksyncstep import OpenStackSyncStep
from synchronizers.base.syncstep import *
from core.models.network import *
from core.models.slice import *
from core.models.instance import Instance
from xos.logger import observer_logger as logger
from synchronizers.base.ansible import *
from openstack.driver import OpenStackDriver
from xos.config import Config
import json
import pdb
class SyncControllerNetworks(OpenStackSyncStep):
requested_interval = 0
provides=[Network]
observes=ControllerNetwork
playbook='sync_controller_networks.yaml'
def alloc_subnet(self, uuid):
# 16 bits only
uuid_masked = uuid & 0xffff
a = 10
b = uuid_masked >> 8
c = uuid_masked & 0xff
d = 0
cidr = '%d.%d.%d.%d/24'%(a,b,c,d)
return cidr
def alloc_gateway(self, subnet):
# given a CIDR, allocate a default gateway using the .1 address within
# the subnet.
# 10.123.0.0/24 --> 10.123.0.1
# 207.141.192.128/28 --> 207.141.192.129
(network, bits) = subnet.split("/")
network=network.strip()
bits=int(bits.strip())
netmask = (~(pow(2,32-bits)-1) & 0xFFFFFFFF)
ip = struct.unpack("!L", socket.inet_aton(network))[0]
ip = ip & netmask | 1
return socket.inet_ntoa(struct.pack("!L", ip))
def save_controller_network(self, controller_network):
network_name = controller_network.network.name
subnet_name = '%s-%d'%(network_name,controller_network.pk)
if controller_network.subnet and controller_network.subnet.strip():
# If a subnet is already specified (pass in by the creator), then
# use that rather than auto-generating one.
cidr = controller_network.subnet.strip()
else:
cidr = self.alloc_subnet(controller_network.pk)
self.cidr=cidr
slice = controller_network.network.owner
network_fields = {'endpoint':controller_network.controller.auth_url,
'endpoint_v3': controller_network.controller.auth_url_v3,
'admin_user':slice.creator.email,
'tenant_name':slice.name,
'admin_password':slice.creator.remote_password,
'domain': controller_network.controller.domain,
'name':network_name,
'subnet_name':subnet_name,
'ansible_tag':'%s-%s@%s'%(network_name,slice.slicename,controller_network.controller.name),
'cidr':cidr,
'gateway':self.alloc_gateway(cidr),
'use_vtn':getattr(Config(), "networking_use_vtn", False),
'delete':False
}
return network_fields
def map_sync_outputs(self, controller_network,res):
network_id = res[0]['id']
subnet_id = res[1]['id']
controller_network.net_id = network_id
controller_network.subnet = self.cidr
controller_network.subnet_id = subnet_id
controller_network.backend_status = '1 - OK'
controller_network.save()
def map_sync_inputs(self, controller_network):
# XXX This check should really be made from booleans, rather than using hardcoded network names
#if (controller_network.network.template.name not in ['Private', 'Private-Indirect', 'Private-Direct', 'management_template'):
# logger.info("skipping network controller %s because it is not private" % controller_network)
# # We only sync private networks
# return SyncStep.SYNC_WITHOUT_RUNNING
# hopefully a better approach than above
if (controller_network.network.template.shared_network_name or controller_network.network.template.shared_network_id):
return SyncStep.SYNC_WITHOUT_RUNNING
if not controller_network.controller.admin_user:
logger.info("controller %r has no admin_user, skipping" % controller_network.controller)
return
if controller_network.network.owner and controller_network.network.owner.creator:
return self.save_controller_network(controller_network)
else:
raise Exception('Could not save network controller %s'%controller_network)
def map_delete_inputs(self, controller_network):
# XXX This check should really be made from booleans, rather than using hardcoded network names
if (controller_network.network.template.name not in ['Private', 'Private-Indirect', 'Private-Direct']):
# We only sync private networks
return
try:
slice = controller_network.network.owner # XXX: FIXME!!
except:
raise Exception('Could not get slice for Network %s'%controller_network.network.name)
network_name = controller_network.network.name
subnet_name = '%s-%d'%(network_name,controller_network.pk)
cidr = controller_network.subnet
network_fields = {'endpoint':controller_network.controller.auth_url,
'admin_user':slice.creator.email, # XXX: FIXME
'tenant_name':slice.name, # XXX: FIXME
'admin_password':slice.creator.remote_password,
'name':network_name,
'subnet_name':subnet_name,
'ansible_tag':'%s-%s@%s'%(network_name,slice.slicename,controller_network.controller.name),
'cidr':cidr,
'delete':True
}
return network_fields
"""
driver = OpenStackDriver().client_driver(caller=controller_network.network.owner.creator,
tenant=controller_network.network.owner.name,
controller=controller_network.controller.name)
if (controller_network.router_id) and (controller_network.subnet_id):
driver.delete_router_interface(controller_network.router_id, controller_network.subnet_id)
if controller_network.subnet_id:
driver.delete_subnet(controller_network.subnet_id)
if controller_network.router_id:
driver.delete_router(controller_network.router_id)
if controller_network.net_id:
driver.delete_network(controller_network.net_id)
"""