2 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
4 from netaddr import IPAddress, IPNetwork
5 from planetstack import settings
6 from django.core import management
7 from planetstack.config import Config
9 from openstack.client import OpenStackClient
10 from openstack.driver import OpenStackDriver
11 from core.models import *
16 manager_enabled = Config().api_nova_enabled
18 def require_enabled(callable):
19 def wrapper(*args, **kwds):
20 if manager_enabled and has_openstack:
21 return callable(*args, **kwds)
27 class OpenStackManager:
29 def __init__(self, auth={}, caller=None):
33 self.has_openstack = has_openstack
34 self.enabled = manager_enabled
36 if has_openstack and manager_enabled:
39 self.init_user(auth, caller)
41 # if this fails then it meanse the caller doesn't have a
42 # role at the slice's tenant. if the caller is an admin
43 # just use the admin client/manager.
44 if caller and caller.is_admin:
51 def init_user(self, auth, caller):
52 self.client = OpenStackClient(**auth)
53 self.driver = OpenStackDriver(client=self.client)
58 # use the admin credentials
59 self.client = OpenStackClient()
60 self.driver = OpenStackDriver(client=self.client)
61 self.caller = self.driver.admin_user
62 self.caller.kuser_id = self.caller.id
65 def save_role(self, role):
67 keystone_role = self.driver.create_role(role.role_type)
68 role.role = keystone_role.id
71 def delete_role(self, role):
73 self.driver.delete_role({'id': role.role})
76 def save_key(self, key):
78 key_fields = {'name': key.user.email[:key.user.email.find('@')],
80 nova_key = self.driver.create_keypair(**key_fields)
81 key.nkey_id = nova_key.id
84 def delete_key(self, key):
86 self.driver.delete_keypair(key.nkey_id)
89 def save_user(self, user):
91 name = user.email[:user.email.find('@')]
92 user_fields = {'name': name,
94 'password': user.password,
96 keystone_user = self.driver.create_user(**user_fields)
97 user.kuser_id = keystone_user.id
99 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'user')
101 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'admin')
103 # may have admin role so attempt to remove it
104 self.driver.delete_user_role(user.kuser_id, user.site.tenant_id, 'admin')
107 def delete_user(self, user):
109 self.driver.delete_user(user.kuser_id)
112 def save_site(self, site, add_role=True):
113 if not site.tenant_id:
114 tenant = self.driver.create_tenant(tenant_name=site.login_base,
115 description=site.name,
116 enabled=site.enabled)
117 site.tenant_id = tenant.id
118 # give caller an admin role at the tenant they've created
119 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
122 if site.id and site.tenant_id:
123 self.driver.update_tenant(site.tenant_id,
124 description=site.name,
125 enabled=site.enabled)
128 def delete_site(self, site):
130 self.driver.delete_tenant(site.tenant_id)
133 def save_slice(self, slice):
134 if not slice.tenant_id:
135 nova_fields = {'tenant_name': slice.name,
136 'description': slice.description,
137 'enabled': slice.enabled}
138 tenant = self.driver.create_tenant(**nova_fields)
139 slice.tenant_id = tenant.id
141 # give caller an admin role at the tenant they've created
142 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
144 # refresh credentials using this tenant
145 self.driver.shell.connect(username=self.driver.shell.keystone.username,
146 password=self.driver.shell.keystone.password,
150 network = self.driver.create_network(slice.name)
151 slice.network_id = network['id']
154 router = self.driver.create_router(slice.name)
155 slice.router_id = router['id']
158 next_subnet = self.get_next_subnet()
159 cidr = str(next_subnet.cidr)
160 ip_version = next_subnet.version
161 start = str(next_subnet[2])
162 end = str(next_subnet[-2])
163 subnet = self.driver.create_subnet(name=slice.name,
164 network_id = network['id'],
166 ip_version = ip_version,
169 slice.subnet_id = subnet['id']
170 # add subnet as interface to slice's router
171 self.driver.add_router_interface(router['id'], subnet['id'])
174 if slice.id and slice.tenant_id:
175 self.driver.update_tenant(slice.tenant_id,
176 description=slice.description,
177 enabled=slice.enabled)
180 def delete_slice(self, slice):
182 self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
183 self.driver.delete_subnet(slice.subnet_id)
184 self.driver.delete_router(slice.router_id)
185 self.driver.delete_network(slice.network_id)
186 self.driver.delete_tenant(slice.tenant_id)
190 def get_next_subnet(self):
191 # limit ourself to 10.0.x.x for now
192 valid_subnet = lambda net: net.startswith('10.0')
193 subnets = self.driver.shell.quantum.list_subnets()['subnets']
194 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
195 if valid_subnet(subnet['cidr'])]
197 last_ip = IPAddress(ints[-1])
198 last_network = IPNetwork(str(last_ip) + "/24")
199 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
203 def save_subnet(self, subnet):
204 if not subnet.subnet_id:
205 quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
206 network_id=subnet.slice.network_id,
207 cidr_ip = subnet.cidr,
208 ip_version=subnet.ip_version,
209 start = subnet.start,
211 subnet.subnet_id = quantum_subnet['id']
212 # add subnet as interface to slice's router
213 self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
214 #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
215 #commands.getstatusoutput(add_route)
219 def delete_subnet(self, subnet):
221 self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
222 self.driver.delete_subnet(subnet.subnet_id)
223 #del_route = 'route del -net %s' % self.cidr
224 #commands.getstatusoutput(del_route)
227 def save_sliver(self, sliver):
228 if not sliver.instance_id:
229 instance = self.driver.spawn_instance(name=sliver.name,
230 key_name = sliver.key.name,
231 image_id = sliver.image.image_id,
232 hostname = sliver.node.name )
233 sliver.instance_id = instance.id
234 sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
236 if sliver.instance_id and ("numberCores" in sliver.changed_fields):
237 self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
240 def delete_sliver(self, sliver):
241 if sliver.instance_id:
242 self.driver.destroy_instance(sliver.instance_id)
245 def refresh_nodes(self):
246 # collect local nodes
247 nodes = Node.objects.all()
250 if 'viccidev10' not in node.name:
251 nodes_dict[node.name] = node
253 deployment = DeploymentNetwork.objects.filter(name='VICCI')[0]
254 login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
255 sites = Site.objects.filter(login_base__in=login_bases)
256 # collect nova nodes:
257 compute_nodes = self.client.nova.hypervisors.list()
259 compute_nodes_dict = {}
260 for compute_node in compute_nodes:
261 compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
264 new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
267 for name in new_node_names:
271 node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
273 deploymentNetwork=deployment)
278 old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
279 Node.objects.filter(name__in=old_node_names).delete()
281 def refresh_images(self):
282 from core.models.image import Image
283 # collect local images
284 images = Image.objects.all()
287 images_dict[image.name] = image
289 # collect glance images
290 glance_images = self.client.glance.get_images()
291 glance_images_dict = {}
292 for glance_image in glance_images:
293 glance_images_dict[glance_image['name']] = glance_image
296 new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
297 for name in new_image_names:
298 image = Image(image_id=glance_images_dict[name]['id'],
299 name=glance_images_dict[name]['name'],
300 disk_format=glance_images_dict[name]['disk_format'],
301 container_format=glance_images_dict[name]['container_format'])
305 old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
306 Image.objects.filter(name__in=old_image_names).delete()