1 from netaddr import IPAddress, IPNetwork
2 from plstackapi.planetstack import settings
3 from django.core import management
4 management.setup_environ(settings)
6 from plstackapi.openstack.client import OpenStackClient
7 from plstackapi.openstack.driver import OpenStackDriver
8 from plstackapi.planetstack.config import Config
9 from plstackapi.core.models import *
12 has_openpstack = False
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)
96 def save_site(self, site, add_role=True):
97 if not site.tenant_id:
98 tenant = self.driver.create_tenant(tenant_name=site.login_base,
99 description=site.name,
100 enabled=site.enabled)
101 site.tenant_id = tenant.id
102 # give caller an admin role at the tenant they've created
103 self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
106 if site.id and site.tenant_id:
107 self.driver.update_tenant(site.tenant_id,
108 description=site.name,
109 enabled=site.enabled)
112 def delete_site(self, site):
114 self.driver.delete_tenant(site.tenant_id)
117 def save_slice(self, slice):
118 if not slice.tenant_id:
119 nova_fields = {'tenant_name': slice.name,
120 'description': slice.description,
121 'enabled': slice.enabled}
122 tenant = self.driver.create_tenant(**nova_fields)
123 slice.tenant_id = tenant.id
125 # give caller an admin role at the tenant they've created
126 self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
128 # refresh credentials using this tenant
129 self.driver.shell.connect(username=self.driver.shell.keystone.username,
130 password=self.driver.shell.keystone.password,
134 network = self.driver.create_network(slice.name)
135 slice.network_id = network['id']
138 router = self.driver.create_router(slice.name)
139 slice.router_id = router['id']
142 next_subnet = self.get_next_subnet()
143 cidr = str(next_subnet.cidr)
144 ip_version = next_subnet.version
145 start = str(next_subnet[2])
146 end = str(next_subnet[-2])
147 subnet = self.driver.create_subnet(name=slice.name,
148 network_id = network['id'],
150 ip_version = ip_version,
153 slice.subnet_id = subnet['id']
154 # add subnet as interface to slice's router
155 self.driver.add_router_interface(router['id'], subnet['id'])
158 if slice.id and slice.tenant_id:
159 self.driver.update_tenant(slice.tenant_id,
160 description=slice.description,
161 enabled=slice.enabled)
164 def delete_slice(self, slice):
166 self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
167 self.driver.delete_subnet(slice.subnet_id)
168 self.driver.delete_router(slice.router_id)
169 self.driver.delete_network(slice.network_id)
170 self.driver.delete_tenant(slice.tenant_id)
174 def get_next_subnet(self):
175 # limit ourself to 10.0.x.x for now
176 valid_subnet = lambda net: net.startswith('10.0')
177 subnets = self.driver.shell.quantum.list_subnets()['subnets']
178 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
179 if valid_subnet(subnet['cidr'])]
181 last_ip = IPAddress(ints[-1])
182 last_network = IPNetwork(str(last_ip) + "/24")
183 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
187 def save_subnet(self, subnet):
188 if not subnet.subnet_id:
189 quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
190 network_id=subnet.slice.network_id,
191 cidr_ip = subnet.cidr,
192 ip_version=subnet.ip_version,
193 start = subnet.start,
195 subnet.subnet_id = quantum_subnet['id']
196 # add subnet as interface to slice's router
197 self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
198 #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
199 #commands.getstatusoutput(add_route)
203 def delete_subnet(self, subnet):
205 self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
206 self.driver.delete_subnet(subnet.subnet_id)
207 #del_route = 'route del -net %s' % self.cidr
208 #commands.getstatusoutput(del_route)
211 def save_sliver(self, sliver):
212 if not sliver.instance_id:
213 instance = self.driver.spawn_instance(name=sliver.name,
214 key_name = sliver.key.name,
215 image_id = sliver.image.image_id,
216 hostname = sliver.node.name )
217 sliver.instance_id = instance.id
218 sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
220 if sliver.instance_id:
221 self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
224 def delete_sliver(self, sliver):
225 if sliver.instance_id:
226 self.driver.destroy_instance(sliver.instance_id)
229 def refresh_nodes(self):
230 # collect local nodes
231 nodes = Node.objects.all()
234 if 'viccidev10' not in node.name:
235 nodes_dict[node.name] = node
237 deployment = DeploymentNetwork.objects.filter(name='VICCI')[0]
238 login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
239 sites = Site.objects.filter(login_base__in=login_bases)
240 # collect nova nodes:
241 compute_nodes = self.client.nova.hypervisors.list()
243 compute_nodes_dict = {}
244 for compute_node in compute_nodes:
245 compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
248 new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
251 for name in new_node_names:
255 node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
257 deploymentNetwork=deployment)
262 old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
263 Node.objects.filter(name__in=old_node_names).delete()
265 def refresh_images(self):
266 # collect local images
267 images = Image.objects.all()
270 images_dict[image.name] = image
272 # collect glance images
273 glance_images = self.client.glance.get_images()
274 glance_images_dict = {}
275 for glance_image in glance_images:
276 glance_images_dict[glance_image['name']] = glance_image
279 new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
280 for name in new_image_names:
281 image = Image(image_id=glance_images_dict[name]['id'],
282 name=glance_images_dict[name]['name'],
283 disk_format=glance_images_dict[name]['disk_format'],
284 container_format=glance_images_dict[name]['container_format'])
288 old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
289 Image.objects.filter(name__in=old_image_names).delete()