1 from netaddr import IPAddress, IPNetwork
2 from plstackapi.planetstack import settings
3 from django.core import management
4 management.setup_environ(settings)
5 from plstackapi.planetstack.config import Config
7 from plstackapi.openstack.client import OpenStackClient
8 from plstackapi.openstack.driver import OpenStackDriver
9 from plstackapi.core.models import *
14 manager_enabled = Config().api_nova_enabled
16 def require_enabled(callable):
17 def wrapper(*args, **kwds):
18 if manager_enabled and has_openstack:
19 return callable(*args, **kwds)
25 class OpenStackManager:
27 def __init__(self, auth={}, caller=None):
31 self.has_openstack = has_openstack
32 self.enabled = manager_enabled
34 if has_openstack and manager_enabled:
36 self.client = OpenStackClient(**auth)
38 self.client = OpenStackClient()
39 self.driver = OpenStackDriver(client=self.client)
44 self.caller = self.driver.admin_user
45 self.caller.user_id = self.caller.id
48 def save_role(self, role):
50 keystone_role = self.driver.create_role(role.role_type)
51 role.role_id = keystone_role.id
54 def delete_role(self, role):
56 self.driver.delete_role({'id': role.role_id})
59 def save_key(self, key):
61 key_fields = {'name': key.name,
63 nova_key = self.driver.create_keypair(**key_fields)
64 key.key_id = nova_key.id
67 def delete_key(self, key):
69 self.driver.delete_keypair(key.key_id)
72 def save_user(self, user):
74 name = user.email[:user.email.find('@')]
75 user_fields = {'name': name,
77 'password': user.password,
79 keystone_user = self.driver.create_user(**user_fields)
80 user.user_id = keystone_user.id
86 self.driver.add_user_role(user.user_id, user.site.tenant_id, role)
89 def delete_user(self, user):
91 self.driver.delete_user(user.user_id)
94 def save_site(self, site, add_role=True):
95 if not site.tenant_id:
96 tenant = self.driver.create_tenant(tenant_name=site.login_base,
97 description=site.name,
99 site.tenant_id = tenant.id
100 # give caller an admin role at the tenant they've created
101 self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
104 if site.id and site.tenant_id:
105 self.driver.update_tenant(site.tenant_id,
106 description=site.name,
107 enabled=site.enabled)
110 def delete_site(self, site):
112 self.driver.delete_tenant(site.tenant_id)
115 def save_slice(self, slice):
116 if not slice.tenant_id:
117 nova_fields = {'tenant_name': slice.name,
118 'description': slice.description,
119 'enabled': slice.enabled}
120 tenant = self.driver.create_tenant(**nova_fields)
121 slice.tenant_id = tenant.id
123 # give caller an admin role at the tenant they've created
124 self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
126 # refresh credentials using this tenant
127 self.driver.shell.connect(username=self.driver.shell.keystone.username,
128 password=self.driver.shell.keystone.password,
132 network = self.driver.create_network(slice.name)
133 slice.network_id = network['id']
136 router = self.driver.create_router(slice.name)
137 slice.router_id = router['id']
140 next_subnet = self.get_next_subnet()
141 cidr = str(next_subnet.cidr)
142 ip_version = next_subnet.version
143 start = str(next_subnet[2])
144 end = str(next_subnet[-2])
145 subnet = self.driver.create_subnet(name=slice.name,
146 network_id = network['id'],
148 ip_version = ip_version,
151 slice.subnet_id = subnet['id']
152 # add subnet as interface to slice's router
153 self.driver.add_router_interface(router['id'], subnet['id'])
156 if slice.id and slice.tenant_id:
157 self.driver.update_tenant(slice.tenant_id,
158 description=slice.description,
159 enabled=slice.enabled)
162 def delete_slice(self, slice):
164 self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
165 self.driver.delete_subnet(slice.subnet_id)
166 self.driver.delete_router(slice.router_id)
167 self.driver.delete_network(slice.network_id)
168 self.driver.delete_tenant(slice.tenant_id)
172 def get_next_subnet(self):
173 # limit ourself to 10.0.x.x for now
174 valid_subnet = lambda net: net.startswith('10.0')
175 subnets = self.driver.shell.quantum.list_subnets()['subnets']
176 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
177 if valid_subnet(subnet['cidr'])]
179 last_ip = IPAddress(ints[-1])
180 last_network = IPNetwork(str(last_ip) + "/24")
181 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
185 def save_subnet(self, subnet):
186 if not subnet.subnet_id:
187 quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
188 network_id=subnet.slice.network_id,
189 cidr_ip = subnet.cidr,
190 ip_version=subnet.ip_version,
191 start = subnet.start,
193 subnet.subnet_id = quantum_subnet['id']
194 # add subnet as interface to slice's router
195 self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
196 #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
197 #commands.getstatusoutput(add_route)
201 def delete_subnet(self, subnet):
203 self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
204 self.driver.delete_subnet(subnet.subnet_id)
205 #del_route = 'route del -net %s' % self.cidr
206 #commands.getstatusoutput(del_route)
209 def save_sliver(self, sliver):
210 if not sliver.instance_id:
211 instance = self.driver.spawn_instance(name=sliver.name,
212 key_name = sliver.key.name,
213 image_id = sliver.image.image_id,
214 hostname = sliver.node.name )
215 sliver.instance_id = instance.id
216 sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
218 if sliver.instance_id:
219 self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
222 def delete_sliver(self, sliver):
223 if sliver.instance_id:
224 self.driver.destroy_instance(sliver.instance_id)
227 def refresh_nodes(self):
228 # collect local nodes
229 nodes = Node.objects.all()
232 if 'viccidev10' not in node.name:
233 nodes_dict[node.name] = node
235 deployment = DeploymentNetwork.objects.filter(name='VICCI')[0]
236 login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
237 sites = Site.objects.filter(login_base__in=login_bases)
238 # collect nova nodes:
239 compute_nodes = self.client.nova.hypervisors.list()
241 compute_nodes_dict = {}
242 for compute_node in compute_nodes:
243 compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
246 new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
249 for name in new_node_names:
253 node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
255 deploymentNetwork=deployment)
260 old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
261 Node.objects.filter(name__in=old_node_names).delete()
263 def refresh_images(self):
264 # collect local images
265 images = Image.objects.all()
268 images_dict[image.name] = image
270 # collect glance images
271 glance_images = self.client.glance.get_images()
272 glance_images_dict = {}
273 for glance_image in glance_images:
274 glance_images_dict[glance_image['name']] = glance_image
277 new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
278 for name in new_image_names:
279 image = Image(image_id=glance_images_dict[name]['id'],
280 name=glance_images_dict[name]['name'],
281 disk_format=glance_images_dict[name]['disk_format'],
282 container_format=glance_images_dict[name]['container_format'])
286 old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
287 Image.objects.filter(name__in=old_image_names).delete()