2 #os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
7 from netaddr import IPAddress, IPNetwork
8 from planetstack import settings
9 from django.core import management
10 from core.models import *
11 from planetstack.config import Config
13 from openstack.client import OpenStackClient
14 from openstack.driver import OpenStackDriver
19 manager_enabled = Config().api_nova_enabled
22 def random_string(size=6):
23 return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(size))
25 def require_enabled(callable):
26 def wrapper(*args, **kwds):
27 if manager_enabled and has_openstack:
28 return callable(*args, **kwds)
34 class OpenStackManager:
36 def __init__(self, auth={}, caller=None):
40 self.has_openstack = has_openstack
41 self.enabled = manager_enabled
43 if has_openstack and manager_enabled:
46 self.init_user(auth, caller)
48 # if this fails then it meanse the caller doesn't have a
49 # role at the slice's tenant. if the caller is an admin
50 # just use the admin client/manager.
51 if caller and caller.is_admin:
58 def init_caller(self, caller, tenant):
59 auth = {'username': caller.email,
60 'password': hashlib.md5(caller.password).hexdigest()[:6],
62 self.client = OpenStackClient(**auth)
63 self.driver = OpenStackDriver(client=self.client)
67 def init_admin(self, tenant=None):
68 # use the admin credentials
69 self.client = OpenStackClient(tenant=tenant)
70 self.driver = OpenStackDriver(client=self.client)
71 self.caller = self.driver.admin_user
72 self.caller.kuser_id = self.caller.id
75 def save_role(self, role):
77 keystone_role = self.driver.create_role(role.role_type)
78 role.role = keystone_role.id
81 def delete_role(self, role):
83 self.driver.delete_role({'id': role.role})
86 def save_key(self, key, name):
87 key_fields = {'name': name,
89 nova_key = self.driver.create_keypair(**key_fields)
92 def delete_key(self, key):
94 self.driver.delete_keypair(key.nkey_id)
97 def save_user(self, user):
98 name = user.email[:user.email.find('@')]
99 user_fields = {'name': name,
101 'password': hashlib.md5(user.password).hexdigest()[:6],
103 if not user.kuser_id:
104 keystone_user = self.driver.create_user(**user_fields)
105 user.kuser_id = keystone_user.id
107 self.driver.update_user(user.kuser_id, user_fields)
110 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'user')
112 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'admin')
114 # may have admin role so attempt to remove it
115 self.driver.delete_user_role(user.kuser_id, user.site.tenant_id, 'admin')
118 self.init_caller(user, user.site.login_base)
119 self.save_key(user.public_key, user.keyname)
123 def delete_user(self, user):
125 self.driver.delete_user(user.kuser_id)
128 def save_site(self, site, add_role=True):
129 if not site.tenant_id:
130 tenant = self.driver.create_tenant(tenant_name=site.login_base,
131 description=site.name,
132 enabled=site.enabled)
133 site.tenant_id = tenant.id
134 # give caller an admin role at the tenant they've created
135 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
138 if site.id and site.tenant_id:
139 self.driver.update_tenant(site.tenant_id,
140 description=site.name,
141 enabled=site.enabled)
144 def delete_site(self, site):
146 self.driver.delete_tenant(site.tenant_id)
149 def save_slice(self, slice):
150 if not slice.tenant_id:
151 nova_fields = {'tenant_name': slice.name,
152 'description': slice.description,
153 'enabled': slice.enabled}
154 tenant = self.driver.create_tenant(**nova_fields)
155 slice.tenant_id = tenant.id
157 # give caller an admin role at the tenant they've created
158 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
160 # refresh credentials using this tenant
161 self.driver.shell.connect(username=self.driver.shell.keystone.username,
162 password=self.driver.shell.keystone.password,
166 network = self.driver.create_network(slice.name)
167 slice.network_id = network['id']
170 router = self.driver.create_router(slice.name)
171 slice.router_id = router['id']
174 next_subnet = self.get_next_subnet()
175 cidr = str(next_subnet.cidr)
176 ip_version = next_subnet.version
177 start = str(next_subnet[2])
178 end = str(next_subnet[-2])
179 subnet = self.driver.create_subnet(name=slice.name,
180 network_id = network['id'],
182 ip_version = ip_version,
185 slice.subnet_id = subnet['id']
186 # add subnet as interface to slice's router
187 self.driver.add_router_interface(router['id'], subnet['id'])
189 self.driver.add_external_route(subnet)
192 if slice.id and slice.tenant_id:
193 self.driver.update_tenant(slice.tenant_id,
194 description=slice.description,
195 enabled=slice.enabled)
198 def delete_slice(self, slice):
200 self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
201 self.driver.delete_subnet(slice.subnet_id)
202 self.driver.delete_router(slice.router_id)
203 self.driver.delete_network(slice.network_id)
204 self.driver.delete_tenant(slice.tenant_id)
205 # delete external route
207 subnets = self.driver.shell.quantum.list_subnets()['subnets']
209 if snet['id'] == slice.subnet_id:
212 self.driver.delete_external_route(subnet)
216 def get_next_subnet(self):
217 # limit ourself to 10.0.x.x for now
218 valid_subnet = lambda net: net.startswith('10.0')
219 subnets = self.driver.shell.quantum.list_subnets()['subnets']
220 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
221 if valid_subnet(subnet['cidr'])]
223 last_ip = IPAddress(ints[-1])
224 last_network = IPNetwork(str(last_ip) + "/24")
225 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
229 def save_subnet(self, subnet):
230 if not subnet.subnet_id:
231 quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
232 network_id=subnet.slice.network_id,
233 cidr_ip = subnet.cidr,
234 ip_version=subnet.ip_version,
235 start = subnet.start,
237 subnet.subnet_id = quantum_subnet['id']
238 # add subnet as interface to slice's router
239 self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
240 #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
241 #commands.getstatusoutput(add_route)
245 def delete_subnet(self, subnet):
247 self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
248 self.driver.delete_subnet(subnet.subnet_id)
249 #del_route = 'route del -net %s' % self.cidr
250 #commands.getstatusoutput(del_route)
253 def save_sliver(self, sliver):
254 if not sliver.instance_id:
255 slice_memberships = SliceMembership.objects.filter(slice=sliver.slice)
256 pubkeys = [sm.user.public_key for sm in slice_memberships if sm.user.public_key != null]
257 pubkeys.append(sliver.creator.public_key)
258 instance = self.driver.spawn_instance(name=sliver.name,
259 key_name = sliver.creator.keyname,
260 image_id = sliver.image.image_id,
261 hostname = sliver.node.name,
263 sliver.instance_id = instance.id
264 sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
266 if sliver.instance_id and ("numberCores" in sliver.changed_fields):
267 self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
270 def delete_sliver(self, sliver):
271 if sliver.instance_id:
272 self.driver.destroy_instance(sliver.instance_id)
275 def refresh_nodes(self):
276 # collect local nodes
277 nodes = Node.objects.all()
280 if 'viccidev10' not in node.name:
281 nodes_dict[node.name] = node
283 deployment = Deployment.objects.filter(name='VICCI')[0]
284 login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
285 sites = Site.objects.filter(login_base__in=login_bases)
286 # collect nova nodes:
287 compute_nodes = self.client.nova.hypervisors.list()
289 compute_nodes_dict = {}
290 for compute_node in compute_nodes:
291 compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
294 new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
297 for name in new_node_names:
301 node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
303 deployment=deployment)
308 old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
309 Node.objects.filter(name__in=old_node_names).delete()
311 def refresh_images(self):
312 from core.models.image import Image
313 # collect local images
314 images = Image.objects.all()
317 images_dict[image.name] = image
319 # collect glance images
320 glance_images = self.client.glance.get_images()
321 glance_images_dict = {}
322 for glance_image in glance_images:
323 glance_images_dict[glance_image['name']] = glance_image
326 new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
327 for name in new_image_names:
328 image = Image(image_id=glance_images_dict[name]['id'],
329 name=glance_images_dict[name]['name'],
330 disk_format=glance_images_dict[name]['disk_format'],
331 container_format=glance_images_dict[name]['container_format'])
335 old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
336 Image.objects.filter(name__in=old_image_names).delete()