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 planetstack.config import Config
11 from openstack.client import OpenStackClient
12 from openstack.driver import OpenStackDriver
13 from core.models import *
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):
84 key_fields = {'name': random_string(8),
86 nova_key = self.driver.create_keypair(**key_fields)
87 key.nkey_id = nova_key.id
90 def delete_key(self, key):
92 self.driver.delete_keypair(key.nkey_id)
95 def save_user(self, user):
97 name = user.email[:user.email.find('@')]
98 user_fields = {'name': name,
100 'password': user.password,
102 keystone_user = self.driver.create_user(**user_fields)
103 user.kuser_id = keystone_user.id
105 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'user')
107 self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'admin')
109 # may have admin role so attempt to remove it
110 self.driver.delete_user_role(user.kuser_id, user.site.tenant_id, 'admin')
113 def delete_user(self, user):
115 self.driver.delete_user(user.kuser_id)
118 def save_site(self, site, add_role=True):
119 if not site.tenant_id:
120 tenant = self.driver.create_tenant(tenant_name=site.login_base,
121 description=site.name,
122 enabled=site.enabled)
123 site.tenant_id = tenant.id
124 # give caller an admin role at the tenant they've created
125 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
128 if site.id and site.tenant_id:
129 self.driver.update_tenant(site.tenant_id,
130 description=site.name,
131 enabled=site.enabled)
134 def delete_site(self, site):
136 self.driver.delete_tenant(site.tenant_id)
139 def save_slice(self, slice):
140 if not slice.tenant_id:
141 nova_fields = {'tenant_name': slice.name,
142 'description': slice.description,
143 'enabled': slice.enabled}
144 tenant = self.driver.create_tenant(**nova_fields)
145 slice.tenant_id = tenant.id
147 # give caller an admin role at the tenant they've created
148 self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
150 # refresh credentials using this tenant
151 self.driver.shell.connect(username=self.driver.shell.keystone.username,
152 password=self.driver.shell.keystone.password,
156 network = self.driver.create_network(slice.name)
157 slice.network_id = network['id']
160 router = self.driver.create_router(slice.name)
161 slice.router_id = router['id']
164 next_subnet = self.get_next_subnet()
165 cidr = str(next_subnet.cidr)
166 ip_version = next_subnet.version
167 start = str(next_subnet[2])
168 end = str(next_subnet[-2])
169 subnet = self.driver.create_subnet(name=slice.name,
170 network_id = network['id'],
172 ip_version = ip_version,
175 slice.subnet_id = subnet['id']
176 # add subnet as interface to slice's router
177 self.driver.add_router_interface(router['id'], subnet['id'])
180 if slice.id and slice.tenant_id:
181 self.driver.update_tenant(slice.tenant_id,
182 description=slice.description,
183 enabled=slice.enabled)
186 def delete_slice(self, slice):
188 self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
189 self.driver.delete_subnet(slice.subnet_id)
190 self.driver.delete_router(slice.router_id)
191 self.driver.delete_network(slice.network_id)
192 self.driver.delete_tenant(slice.tenant_id)
196 def get_next_subnet(self):
197 # limit ourself to 10.0.x.x for now
198 valid_subnet = lambda net: net.startswith('10.0')
199 subnets = self.driver.shell.quantum.list_subnets()['subnets']
200 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
201 if valid_subnet(subnet['cidr'])]
203 last_ip = IPAddress(ints[-1])
204 last_network = IPNetwork(str(last_ip) + "/24")
205 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
209 def save_subnet(self, subnet):
210 if not subnet.subnet_id:
211 quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
212 network_id=subnet.slice.network_id,
213 cidr_ip = subnet.cidr,
214 ip_version=subnet.ip_version,
215 start = subnet.start,
217 subnet.subnet_id = quantum_subnet['id']
218 # add subnet as interface to slice's router
219 self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
220 #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
221 #commands.getstatusoutput(add_route)
225 def delete_subnet(self, subnet):
227 self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
228 self.driver.delete_subnet(subnet.subnet_id)
229 #del_route = 'route del -net %s' % self.cidr
230 #commands.getstatusoutput(del_route)
233 def save_sliver(self, sliver):
234 if not sliver.instance_id:
235 instance = self.driver.spawn_instance(name=sliver.name,
236 key_name = sliver.key.name,
237 image_id = sliver.image.image_id,
238 hostname = sliver.node.name )
239 sliver.instance_id = instance.id
240 sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
242 if sliver.instance_id and ("numberCores" in sliver.changed_fields):
243 self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
246 def delete_sliver(self, sliver):
247 if sliver.instance_id:
248 self.driver.destroy_instance(sliver.instance_id)
251 def refresh_nodes(self):
252 # collect local nodes
253 nodes = Node.objects.all()
256 if 'viccidev10' not in node.name:
257 nodes_dict[node.name] = node
259 deployment = DeploymentNetwork.objects.filter(name='VICCI')[0]
260 login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
261 sites = Site.objects.filter(login_base__in=login_bases)
262 # collect nova nodes:
263 compute_nodes = self.client.nova.hypervisors.list()
265 compute_nodes_dict = {}
266 for compute_node in compute_nodes:
267 compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
270 new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
273 for name in new_node_names:
277 node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
279 deploymentNetwork=deployment)
284 old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
285 Node.objects.filter(name__in=old_node_names).delete()
287 def refresh_images(self):
288 from core.models.image import Image
289 # collect local images
290 images = Image.objects.all()
293 images_dict[image.name] = image
295 # collect glance images
296 glance_images = self.client.glance.get_images()
297 glance_images_dict = {}
298 for glance_image in glance_images:
299 glance_images_dict[glance_image['name']] = glance_image
302 new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
303 for name in new_image_names:
304 image = Image(image_id=glance_images_dict[name]['id'],
305 name=glance_images_dict[name]['name'],
306 disk_format=glance_images_dict[name]['disk_format'],
307 container_format=glance_images_dict[name]['container_format'])
311 old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
312 Image.objects.filter(name__in=old_image_names).delete()