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.user.email[:key.user.email.find('@')],
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
83 self.driver.add_user_role(user.user_id, user.site.tenant_id, 'admin')
85 # may have admin role so attempt to remove it
86 self.driver.remove_user_role(user.user_id, user.site.tenant_id, 'admin')
87 self.driver.add_user_role(user.user_id, user.site.tenant_id, 'user')
90 def delete_user(self, user):
92 self.driver.delete_user(user.user_id)
95 def save_site(self, site, add_role=True):
96 if not site.tenant_id:
97 tenant = self.driver.create_tenant(tenant_name=site.login_base,
98 description=site.name,
100 site.tenant_id = tenant.id
101 # give caller an admin role at the tenant they've created
102 self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
105 if site.id and site.tenant_id:
106 self.driver.update_tenant(site.tenant_id,
107 description=site.name,
108 enabled=site.enabled)
111 def delete_site(self, site):
113 self.driver.delete_tenant(site.tenant_id)
116 def save_slice(self, slice):
117 if not slice.tenant_id:
118 nova_fields = {'tenant_name': slice.name,
119 'description': slice.description,
120 'enabled': slice.enabled}
121 tenant = self.driver.create_tenant(**nova_fields)
122 slice.tenant_id = tenant.id
124 # give caller an admin role at the tenant they've created
125 self.driver.add_user_role(self.caller.user_id, tenant.id, 'admin')
127 # refresh credentials using this tenant
128 self.driver.shell.connect(username=self.driver.shell.keystone.username,
129 password=self.driver.shell.keystone.password,
133 network = self.driver.create_network(slice.name)
134 slice.network_id = network['id']
137 router = self.driver.create_router(slice.name)
138 slice.router_id = router['id']
141 next_subnet = self.get_next_subnet()
142 cidr = str(next_subnet.cidr)
143 ip_version = next_subnet.version
144 start = str(next_subnet[2])
145 end = str(next_subnet[-2])
146 subnet = self.driver.create_subnet(name=slice.name,
147 network_id = network['id'],
149 ip_version = ip_version,
152 slice.subnet_id = subnet['id']
153 # add subnet as interface to slice's router
154 self.driver.add_router_interface(router['id'], subnet['id'])
157 if slice.id and slice.tenant_id:
158 self.driver.update_tenant(slice.tenant_id,
159 description=slice.description,
160 enabled=slice.enabled)
163 def delete_slice(self, slice):
165 self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
166 self.driver.delete_subnet(slice.subnet_id)
167 self.driver.delete_router(slice.router_id)
168 self.driver.delete_network(slice.network_id)
169 self.driver.delete_tenant(slice.tenant_id)
173 def get_next_subnet(self):
174 # limit ourself to 10.0.x.x for now
175 valid_subnet = lambda net: net.startswith('10.0')
176 subnets = self.driver.shell.quantum.list_subnets()['subnets']
177 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
178 if valid_subnet(subnet['cidr'])]
180 last_ip = IPAddress(ints[-1])
181 last_network = IPNetwork(str(last_ip) + "/24")
182 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
186 def save_subnet(self, subnet):
187 if not subnet.subnet_id:
188 quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
189 network_id=subnet.slice.network_id,
190 cidr_ip = subnet.cidr,
191 ip_version=subnet.ip_version,
192 start = subnet.start,
194 subnet.subnet_id = quantum_subnet['id']
195 # add subnet as interface to slice's router
196 self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
197 #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
198 #commands.getstatusoutput(add_route)
202 def delete_subnet(self, subnet):
204 self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
205 self.driver.delete_subnet(subnet.subnet_id)
206 #del_route = 'route del -net %s' % self.cidr
207 #commands.getstatusoutput(del_route)
210 def save_sliver(self, sliver):
211 if not sliver.instance_id:
212 instance = self.driver.spawn_instance(name=sliver.name,
213 key_name = sliver.key.name,
214 image_id = sliver.image.image_id,
215 hostname = sliver.node.name )
216 sliver.instance_id = instance.id
217 sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
219 if sliver.instance_id and ("numberCores" in sliver.changed_fields):
220 self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
223 def delete_sliver(self, sliver):
224 if sliver.instance_id:
225 self.driver.destroy_instance(sliver.instance_id)
228 def refresh_nodes(self):
229 # collect local nodes
230 nodes = Node.objects.all()
233 if 'viccidev10' not in node.name:
234 nodes_dict[node.name] = node
236 deployment = DeploymentNetwork.objects.filter(name='VICCI')[0]
237 login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
238 sites = Site.objects.filter(login_base__in=login_bases)
239 # collect nova nodes:
240 compute_nodes = self.client.nova.hypervisors.list()
242 compute_nodes_dict = {}
243 for compute_node in compute_nodes:
244 compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
247 new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
250 for name in new_node_names:
254 node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
256 deploymentNetwork=deployment)
261 old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
262 Node.objects.filter(name__in=old_node_names).delete()
264 def refresh_images(self):
265 # collect local images
266 images = Image.objects.all()
269 images_dict[image.name] = image
271 # collect glance images
272 glance_images = self.client.glance.get_images()
273 glance_images_dict = {}
274 for glance_image in glance_images:
275 glance_images_dict[glance_image['name']] = glance_image
278 new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
279 for name in new_image_names:
280 image = Image(image_id=glance_images_dict[name]['id'],
281 name=glance_images_dict[name]['name'],
282 disk_format=glance_images_dict[name]['disk_format'],
283 container_format=glance_images_dict[name]['container_format'])
287 old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
288 Image.objects.filter(name__in=old_image_names).delete()