2 #os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
6 from datetime import datetime
8 from netaddr import IPAddress, IPNetwork
9 from planetstack import settings
10 from django.core import management
11 from core.models import *
12 from planetstack.config import Config
14 from openstack.client import OpenStackClient
15 from openstack.driver import OpenStackDriver
20 manager_enabled = Config().api_nova_enabled
23 def random_string(size=6):
24 return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(size))
26 def require_enabled(callable):
27 def wrapper(*args, **kwds):
28 if manager_enabled and has_openstack:
29 return callable(*args, **kwds)
35 class OpenStackManager:
37 def __init__(self, auth={}, caller=None):
41 self.has_openstack = has_openstack
42 self.enabled = manager_enabled
44 if has_openstack and manager_enabled:
47 self.init_user(auth, caller)
49 # if this fails then it meanse the caller doesn't have a
50 # role at the slice's tenant. if the caller is an admin
51 # just use the admin client/manager.
52 if caller and caller.is_admin:
59 def init_caller(self, caller, tenant):
60 auth = {'username': caller.email,
61 'password': hashlib.md5(caller.password).hexdigest()[:6],
63 self.client = OpenStackClient(**auth)
64 self.driver = OpenStackDriver(client=self.client)
68 def init_admin(self, tenant=None):
69 # use the admin credentials
70 self.client = OpenStackClient(tenant=tenant)
71 self.driver = OpenStackDriver(client=self.client)
72 self.caller = self.driver.admin_user
73 self.caller.kuser_id = self.caller.id
76 def save_role(self, role):
78 keystone_role = self.driver.create_role(role.role_type)
79 role.role = keystone_role.id
82 def delete_role(self, role):
84 self.driver.delete_role({'id': role.role})
87 def save_key(self, key, name):
88 key_fields = {'name': name,
90 nova_key = self.driver.create_keypair(**key_fields)
93 def delete_key(self, key):
95 self.driver.delete_keypair(key.nkey_id)
98 def save_user(self, user):
99 name = user.email[:user.email.find('@')]
100 user_fields = {'name': name,
102 'password': hashlib.md5(user.password).hexdigest()[:6],
104 if not user.kuser_id:
105 keystone_user = self.driver.create_user(**user_fields)
106 user.kuser_id = keystone_user.id
108 self.driver.update_user(user.kuser_id, user_fields)
111 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'user')
113 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'admin')
115 # may have admin role so attempt to remove it
116 self.driver.delete_user_role(user.kuser_id, user.site.tenant_id, 'admin')
119 self.init_caller(user, user.site.login_base)
120 self.save_key(user.public_key, user.keyname)
124 user.enacted = datetime.now()
125 user.save(update_fields=['enacted'])
128 def delete_user(self, user):
130 self.driver.delete_user(user.kuser_id)
133 def save_site(self, site, add_role=True):
134 if not site.tenant_id:
135 tenant = self.driver.create_tenant(tenant_name=site.login_base,
136 description=site.name,
137 enabled=site.enabled)
138 site.tenant_id = tenant.id
139 # give caller an admin role at the tenant they've created
140 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
143 if site.id and site.tenant_id:
144 self.driver.update_tenant(site.tenant_id,
145 description=site.name,
146 enabled=site.enabled)
148 # commit the updated record
150 site.enacted = datetime.now()
151 site.save(update_fields=['enacted']) # enusre enacted > updated
155 def delete_site(self, site):
157 self.driver.delete_tenant(site.tenant_id)
160 def save_site_privilege(self, site_priv):
161 if site_priv.user.kuser_id and site_priv.site.tenant_id:
162 self.driver.add_user_role(site_priv.user.kuser_id,
163 site_priv.site.tenant_id,
164 site_priv.role.role_type)
165 site_priv.enacted = datetime.now()
166 site_priv.save(update_fields=['enacted'])
170 def delete_site_privilege(self, site_priv):
171 self.driver.delete_user_role(site_priv.user.kuser_id,
172 site_priv.site.tenant_id,
173 site_priv.role.role_type)
176 def save_slice(self, slice):
177 if not slice.tenant_id:
178 nova_fields = {'tenant_name': slice.name,
179 'description': slice.description,
180 'enabled': slice.enabled}
181 tenant = self.driver.create_tenant(**nova_fields)
182 slice.tenant_id = tenant.id
184 # give caller an admin role at the tenant they've created
185 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
187 # refresh credentials using this tenant
188 self.driver.shell.connect(username=self.driver.shell.keystone.username,
189 password=self.driver.shell.keystone.password,
193 network = self.driver.create_network(slice.name)
194 slice.network_id = network['id']
197 router = self.driver.create_router(slice.name)
198 slice.router_id = router['id']
201 next_subnet = self.get_next_subnet()
202 cidr = str(next_subnet.cidr)
203 ip_version = next_subnet.version
204 start = str(next_subnet[2])
205 end = str(next_subnet[-2])
206 subnet = self.driver.create_subnet(name=slice.name,
207 network_id = network['id'],
209 ip_version = ip_version,
212 slice.subnet_id = subnet['id']
213 # add subnet as interface to slice's router
214 self.driver.add_router_interface(router['id'], subnet['id'])
216 self.driver.add_external_route(subnet)
219 if slice.id and slice.tenant_id:
220 self.driver.update_tenant(slice.tenant_id,
221 description=slice.description,
222 enabled=slice.enabled)
225 slice.enacted = datetime.now()
226 slice.save(update_fields=['enacted'])
229 def delete_slice(self, slice):
231 self._delete_slice(slice.tenant_id, slice.network_id,
232 slice.router_id, slice.subnet_id)
234 def _delete_slice(self, tenant_id, network_id, router_id, subnet_id):
235 self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
236 self.driver.delete_subnet(slice.subnet_id)
237 self.driver.delete_router(slice.router_id)
238 self.driver.delete_network(slice.network_id)
239 self.driver.delete_tenant(slice.tenant_id)
240 # delete external route
242 subnets = self.driver.shell.quantum.list_subnets()['subnets']
244 if snet['id'] == slice.subnet_id:
247 self.driver.delete_external_route(subnet)
251 def save_slice_membership(self, slice_memb):
252 if slice_memb.user.kuser_id and slice_memb.slice.tenant_id:
253 self.driver.add_user_role(slice_memb.user.kuser_id,
254 slice_memb.slice.tenant_id,
255 slice_memb.role.role_type)
256 slice_memb.enacted = datetime.now()
257 slice_memb.save(update_fields=['enacted'])
261 def delete_slice_membership(self, slice_memb):
262 self.driver.delete_user_role(slice_memb.user.kuser_id,
263 slice_memb.slice.tenant_id,
264 slice_memb.role.role_type)
268 def get_next_subnet(self):
269 # limit ourself to 10.0.x.x for now
270 valid_subnet = lambda net: net.startswith('10.0')
271 subnets = self.driver.shell.quantum.list_subnets()['subnets']
272 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
273 if valid_subnet(subnet['cidr'])]
275 last_ip = IPAddress(ints[-1])
276 last_network = IPNetwork(str(last_ip) + "/24")
277 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
281 def save_subnet(self, subnet):
282 if not subnet.subnet_id:
283 quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
284 network_id=subnet.slice.network_id,
285 cidr_ip = subnet.cidr,
286 ip_version=subnet.ip_version,
287 start = subnet.start,
289 subnet.subnet_id = quantum_subnet['id']
290 # add subnet as interface to slice's router
291 self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
292 #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
293 #commands.getstatusoutput(add_route)
297 def delete_subnet(self, subnet):
299 self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
300 self.driver.delete_subnet(subnet.subnet_id)
301 #del_route = 'route del -net %s' % self.cidr
302 #commands.getstatusoutput(del_route)
305 def save_sliver(self, sliver):
306 if not sliver.instance_id:
307 slice_memberships = SliceMembership.objects.filter(slice=sliver.slice)
308 pubkeys = [sm.user.public_key for sm in slice_memberships if sm.user.public_key]
309 pubkeys.append(sliver.creator.public_key)
310 instance = self.driver.spawn_instance(name=sliver.name,
311 key_name = sliver.creator.keyname,
312 image_id = sliver.image.image_id,
313 hostname = sliver.node.name,
315 sliver.instance_id = instance.id
316 sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
318 if sliver.instance_id and ("numberCores" in sliver.changed_fields):
319 self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
322 sliver.enacted = datetime.now()
323 sliver.save(update_fields=['enacted'])
326 def delete_sliver(self, sliver):
327 if sliver.instance_id:
328 self.driver.destroy_instance(sliver.instance_id)
331 def refresh_nodes(self):
332 # collect local nodes
333 nodes = Node.objects.all()
336 if 'viccidev10' not in node.name:
337 nodes_dict[node.name] = node
339 deployment = Deployment.objects.filter(name='VICCI')[0]
340 login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
341 sites = Site.objects.filter(login_base__in=login_bases)
342 # collect nova nodes:
343 compute_nodes = self.client.nova.hypervisors.list()
345 compute_nodes_dict = {}
346 for compute_node in compute_nodes:
347 compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
350 new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
353 for name in new_node_names:
357 node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
359 deployment=deployment)
364 old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
365 Node.objects.filter(name__in=old_node_names).delete()
367 def refresh_images(self):
368 from core.models.image import Image
369 # collect local images
370 images = Image.objects.all()
373 images_dict[image.name] = image
375 # collect glance images
376 glance_images = self.client.glance.get_images()
377 glance_images_dict = {}
378 for glance_image in glance_images:
379 glance_images_dict[glance_image['name']] = glance_image
382 new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
383 for name in new_image_names:
384 image = Image(image_id=glance_images_dict[name]['id'],
385 name=glance_images_dict[name]['name'],
386 disk_format=glance_images_dict[name]['disk_format'],
387 container_format=glance_images_dict[name]['container_format'])
391 old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
392 Image.objects.filter(name__in=old_image_names).delete()