blob: a6fc389d89fa2ec7fe80a8d8dbfaf5f6d64c5cac [file] [log] [blame]
Tony Mack51c4a7d2014-11-30 15:33:35 -05001import os
2import base64
3from collections import defaultdict
4from netaddr import IPAddress, IPNetwork
5from django.db.models import F, Q
6from planetstack.config import Config
7from observer.openstacksyncstep import OpenStackSyncStep
8from core.models.network import *
9from core.models.slice import *
10from core.models.sliver import Sliver
11from util.logger import Logger, logging
12
13logger = Logger(level=logging.INFO)
14
15class SyncNetworkDeployments(OpenStackSyncStep):
16 requested_interval = 0
17 provides=[Network, NetworkDeployments, Sliver]
18
19 def fetch_pending(self, deleted):
20 if (deleted):
21 return NetworkDeployments.deleted_objects.all()
22 else:
23 return NetworkDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
24
25 def get_next_subnet(self, deployment=None):
26 # limit ourself to 10.0.x.x for now
27 valid_subnet = lambda net: net.startswith('10.0')
28
29 driver = self.driver.admin_driver(deployment=deployment,tenant='admin')
30 subnets = driver.shell.quantum.list_subnets()['subnets']
31 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
32 if valid_subnet(subnet['cidr'])]
33 ints.sort()
34 if ints:
35 last_ip = IPAddress(ints[-1])
36 else:
37 last_ip = IPAddress('10.0.0.0')
38 last_network = IPNetwork(str(last_ip) + "/24")
39 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
40 return next_network
41
42 def save_network_deployment(self, network_deployment):
43 if (not network_deployment.net_id) and network_deployment.network.template.sharedNetworkName:
44 # It's a shared network, try to find the shared network id
45
46 quantum_networks = self.driver.shell.quantum.list_networks(name=network_deployment.network.template.sharedNetworkName)["networks"]
47 if quantum_networks:
48 logger.info("set shared network id %s" % quantum_networks[0]["id"])
49 network_deployment.net_id = quantum_networks[0]["id"]
50 else:
51 logger.info("failed to find shared network id for deployment")
52 return
53
54 # At this point, it must be a private network, so create it if it does
55 # not exist.
56
57 if not network_deployment.net_id:
58 network_name = network_deployment.network.name
59
60 # create network
61 os_network = self.driver.create_network(network_name, shared=True)
62 network_deployment.net_id = os_network['id']
63
64 # create router
65 #router = self.driver.create_router(network_name)
66 #network_deployment.router_id = router['id']
67
68 # create subnet
69 next_subnet = self.get_next_subnet(deployment=network_deployment.deployment.name)
70 cidr = str(next_subnet.cidr)
71 ip_version = next_subnet.version
72 start = str(next_subnet[2])
73 end = str(next_subnet[-2])
74 subnet = self.driver.create_subnet(name=network_name,
75 network_id = network_deployment.net_id,
76 cidr_ip = cidr,
77 ip_version = ip_version,
78 start = start,
79 end = end)
80 network_deployment.subnet = cidr
81 network_deployment.subnet_id = subnet['id']
82 # add subnet as interface to slice's router
83 #self.driver.add_router_interface(router['id'], subnet['id'])
84 # add external route
85 #self.driver.add_external_route(subnet)
86 logger.info("created private subnet (%s) for network: %s" % (cidr, network_deployment.network))
87
88 # Now, figure out the subnet and subnet_id for the network. This works
89 # for both private and shared networks.
90
91 if (not network_deployment.subnet_id) or (not network_deployment.subnet):
92 (network_deployment.subnet_id, network_deployment.subnet) = self.driver.get_network_subnet(network_deployment.net_id)
93 logger.info("sync'ed subnet (%s) for network: %s" % (network_deployment.subnet, network_deployment.network))
94
95 if (not network_deployment.subnet):
96 # this will generate a non-null database constraint error
97 # ... which in turn leads to transaction errors
98 # it's probably caused by networks that no longer exist at the
99 # quantum level.
100
101 logger.info("null subnet for network %s, skipping save" % network_deployment.network)
102 return
103
104 network_deployment.save()
105
106 def sync_record(self, network_deployment):
107 logger.info("sync'ing network deployment %s for network %s slice %s deployment %s" % (network_deployment, network_deployment.network, str(network_deployment.network.owner), network_deployment.deployment))
108
109 if not network_deployment.deployment.admin_user:
110 logger.info("deployment %r has no admin_user, skipping" % network_deployment.deployment)
111 return
112
113 self.driver = self.driver.admin_driver(deployment=network_deployment.deployment,tenant='admin')
114 if network_deployment.network.owner and network_deployment.network.owner.creator:
115 try:
116 # update manager context
117 # Bring back
118 self.save_network_deployment(network_deployment)
119 logger.info("saved network deployment: %s" % (network_deployment))
120 except Exception,e:
121 logger.log_exc("save network deployment failed: %s" % network_deployment)
122 raise e
123
124
125 def delete_record(self, network_deployment):
126 driver = OpenStackDriver().client_driver(caller=network_deployment.network.owner.creator,
127 tenant=network_deployment.network.owner.name,
128 deployment=network_deployment.deployment.name)
129 if (network_deployment.router_id) and (network_deployment.subnet_id):
130 driver.delete_router_interface(network_deployment.router_id, network_deployment.subnet_id)
131 if network_deployment.subnet_id:
132 driver.delete_subnet(network_deployment.subnet_id)
133 if network_deployment.router_id:
134 driver.delete_router(network_deployment.router_id)
135 if network_deployment.net_id:
136 driver.delete_network(network_deployment.net_id)