2 #os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
6 from netaddr import IPAddress, IPNetwork
7 from planetstack import settings
8 from django.core import management
9 from core.models import *
10 from planetstack.config import Config
12 from openstack.client import OpenStackClient
13 from openstack.driver import OpenStackDriver
18 manager_enabled = Config().api_nova_enabled
21 def random_string(size=6):
22 return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(size))
24 def require_enabled(callable):
25 def wrapper(*args, **kwds):
26 if manager_enabled and has_openstack:
27 return callable(*args, **kwds)
33 class OpenStackManager:
35 def __init__(self, auth={}, caller=None):
39 self.has_openstack = has_openstack
40 self.enabled = manager_enabled
42 if has_openstack and manager_enabled:
45 self.init_user(auth, caller)
47 # if this fails then it meanse the caller doesn't have a
48 # role at the slice's tenant. if the caller is an admin
49 # just use the admin client/manager.
50 if caller and caller.is_admin:
57 def init_user(self, auth, caller):
58 self.client = OpenStackClient(**auth)
59 self.driver = OpenStackDriver(client=self.client)
64 # use the admin credentials
65 self.client = OpenStackClient()
66 self.driver = OpenStackDriver(client=self.client)
67 self.caller = self.driver.admin_user
68 self.caller.kuser_id = self.caller.id
71 def save_role(self, role):
73 keystone_role = self.driver.create_role(role.role_type)
74 role.role = keystone_role.id
77 def delete_role(self, role):
79 self.driver.delete_role({'id': role.role})
82 def save_key(self, key, name):
83 key_fields = {'name': name,
85 nova_key = self.driver.create_keypair(**key_fields)
88 def delete_key(self, key):
90 self.driver.delete_keypair(key.nkey_id)
93 def save_user(self, user):
95 name = user.email[:user.email.find('@')]
96 user_fields = {'name': name,
98 'password': user.password,
100 keystone_user = self.driver.create_user(**user_fields)
101 user.kuser_id = keystone_user.id
104 self.save_key(user.public_key, user.keyname)
107 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'user')
109 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'admin')
111 # may have admin role so attempt to remove it
112 self.driver.delete_user_role(user.kuser_id, user.site.tenant_id, 'admin')
115 def delete_user(self, user):
117 self.driver.delete_user(user.kuser_id)
120 def save_site(self, site, add_role=True):
121 if not site.tenant_id:
122 tenant = self.driver.create_tenant(tenant_name=site.login_base,
123 description=site.name,
124 enabled=site.enabled)
125 site.tenant_id = tenant.id
126 # give caller an admin role at the tenant they've created
127 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
130 if site.id and site.tenant_id:
131 self.driver.update_tenant(site.tenant_id,
132 description=site.name,
133 enabled=site.enabled)
136 def delete_site(self, site):
138 self.driver.delete_tenant(site.tenant_id)
141 def save_slice(self, slice):
142 if not slice.tenant_id:
143 nova_fields = {'tenant_name': slice.name,
144 'description': slice.description,
145 'enabled': slice.enabled}
146 tenant = self.driver.create_tenant(**nova_fields)
147 slice.tenant_id = tenant.id
149 # give caller an admin role at the tenant they've created
150 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
152 # refresh credentials using this tenant
153 self.driver.shell.connect(username=self.driver.shell.keystone.username,
154 password=self.driver.shell.keystone.password,
158 network = self.driver.create_network(slice.name)
159 slice.network_id = network['id']
162 router = self.driver.create_router(slice.name)
163 slice.router_id = router['id']
166 next_subnet = self.get_next_subnet()
167 cidr = str(next_subnet.cidr)
168 ip_version = next_subnet.version
169 start = str(next_subnet[2])
170 end = str(next_subnet[-2])
171 subnet = self.driver.create_subnet(name=slice.name,
172 network_id = network['id'],
174 ip_version = ip_version,
177 slice.subnet_id = subnet['id']
178 # add subnet as interface to slice's router
179 self.driver.add_router_interface(router['id'], subnet['id'])
181 self.driver.add_external_route(subnet)
184 if slice.id and slice.tenant_id:
185 self.driver.update_tenant(slice.tenant_id,
186 description=slice.description,
187 enabled=slice.enabled)
190 def delete_slice(self, slice):
192 self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
193 self.driver.delete_subnet(slice.subnet_id)
194 self.driver.delete_router(slice.router_id)
195 self.driver.delete_network(slice.network_id)
196 self.driver.delete_tenant(slice.tenant_id)
197 # delete external route
199 subnets = self.driver.shell.quantum.list_subnets()['subnets']
201 if snet['id'] == slice.subnet_id:
204 self.driver.delete_external_route(subnet)
208 def get_next_subnet(self):
209 # limit ourself to 10.0.x.x for now
210 valid_subnet = lambda net: net.startswith('10.0')
211 subnets = self.driver.shell.quantum.list_subnets()['subnets']
212 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
213 if valid_subnet(subnet['cidr'])]
215 last_ip = IPAddress(ints[-1])
216 last_network = IPNetwork(str(last_ip) + "/24")
217 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
221 def save_subnet(self, subnet):
222 if not subnet.subnet_id:
223 quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
224 network_id=subnet.slice.network_id,
225 cidr_ip = subnet.cidr,
226 ip_version=subnet.ip_version,
227 start = subnet.start,
229 subnet.subnet_id = quantum_subnet['id']
230 # add subnet as interface to slice's router
231 self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
232 #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
233 #commands.getstatusoutput(add_route)
237 def delete_subnet(self, subnet):
239 self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
240 self.driver.delete_subnet(subnet.subnet_id)
241 #del_route = 'route del -net %s' % self.cidr
242 #commands.getstatusoutput(del_route)
245 def save_sliver(self, sliver):
246 if not sliver.instance_id:
247 instance = self.driver.spawn_instance(name=sliver.name,
248 key_name = sliver.creator.keyname,
249 image_id = sliver.image.image_id,
250 hostname = sliver.node.name )
251 sliver.instance_id = instance.id
252 sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
254 if sliver.instance_id and ("numberCores" in sliver.changed_fields):
255 self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
258 def delete_sliver(self, sliver):
259 if sliver.instance_id:
260 self.driver.destroy_instance(sliver.instance_id)
263 def refresh_nodes(self):
264 # collect local nodes
265 nodes = Node.objects.all()
268 if 'viccidev10' not in node.name:
269 nodes_dict[node.name] = node
271 deployment = Deployment.objects.filter(name='VICCI')[0]
272 login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
273 sites = Site.objects.filter(login_base__in=login_bases)
274 # collect nova nodes:
275 compute_nodes = self.client.nova.hypervisors.list()
277 compute_nodes_dict = {}
278 for compute_node in compute_nodes:
279 compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
282 new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
285 for name in new_node_names:
289 node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
291 deployment=deployment)
296 old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
297 Node.objects.filter(name__in=old_node_names).delete()
299 def refresh_images(self):
300 from core.models.image import Image
301 # collect local images
302 images = Image.objects.all()
305 images_dict[image.name] = image
307 # collect glance images
308 glance_images = self.client.glance.get_images()
309 glance_images_dict = {}
310 for glance_image in glance_images:
311 glance_images_dict[glance_image['name']] = glance_image
314 new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
315 for name in new_image_names:
316 image = Image(image_id=glance_images_dict[name]['id'],
317 name=glance_images_dict[name]['name'],
318 disk_format=glance_images_dict[name]['disk_format'],
319 container_format=glance_images_dict[name]['container_format'])
323 old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
324 Image.objects.filter(name__in=old_image_names).delete()