8 from collections import defaultdict
9 from nova.exception import ImageNotFound
10 from nova.api.ec2.cloud import CloudController
11 from sfa.util.faults import SfaAPIError, SliverDoesNotExist
12 from sfa.util.sfatime import utcparse, datetime_to_string, datetime_to_epoch
13 from sfa.rspecs.rspec import RSpec
14 from sfa.rspecs.elements.hardware_type import HardwareType
15 from sfa.rspecs.elements.node import Node
16 from sfa.rspecs.elements.sliver import Sliver
17 from sfa.rspecs.elements.login import Login
18 from sfa.rspecs.elements.disk_image import DiskImage
19 from sfa.rspecs.elements.services import Services
20 from sfa.rspecs.elements.interface import Interface
21 from sfa.util.xrn import Xrn
22 from sfa.planetlab.plxrn import PlXrn
23 from sfa.openstack.osxrn import OSXrn, hrn_to_os_slicename
24 from sfa.rspecs.version_manager import VersionManager
25 from sfa.openstack.security_group import SecurityGroup
26 from sfa.util.sfalogging import logger
28 def pubkeys_to_user_data(pubkeys):
29 user_data = "#!/bin/bash\n\n"
30 for pubkey in pubkeys:
31 pubkey = pubkey.replace('\n', '')
32 user_data += "echo %s >> /root/.ssh/authorized_keys" % pubkey
34 user_data += "echo >> /root/.ssh/authorized_keys"
38 def instance_to_sliver(instance, xrn=None):
41 sliver_xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
43 sliver = Sliver({'slice_id': sliver_urn,
44 'name': instance.name,
45 'type': instance.name,
46 'cpus': str(instance.vcpus),
47 'memory': str(instance.ram),
48 'storage': str(instance.disk)})
51 def image_to_rspec_disk_image(image):
53 img['name'] = image['name']
54 img['description'] = image['name']
55 img['os'] = image['name']
56 img['version'] = image['name']
61 def __init__(self, driver):
64 def get_availability_zones(self):
65 zones = self.driver.shell.nova_manager.dns_domains.domains()
69 zones = [zone.name for zone in zones]
73 def list_resources(self, version=None, options={}):
74 version_manager = VersionManager()
75 version = version_manager.get_version(version)
76 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
77 rspec = RSpec(version=version, user_options=options)
78 nodes = self.get_aggregate_nodes()
79 rspec.version.add_nodes(nodes)
82 def describe(self, urns, version=None, options={}):
83 # update nova connection
84 tenant_name = OSXrn(xrn=urns[0], type='slice').get_tenant_name()
85 self.driver.shell.nova_manager.connect(tenant=tenant_name)
86 instances = self.get_instances(urns)
87 if len(instances) == 0:
88 raise SliverDoesNotExist("You have not allocated any slivers here")
92 for instance in instances:
93 rspec_nodes.append(self.instance_to_rspec_node(instance))
94 geni_slivers.append(self.instance_to_geni_sliver(instance))
95 version_manager = VersionManager()
96 version = version_manager.get_version(version)
97 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
98 rspec = RSpec(version=version, user_options=options)
99 rspec.version.add_nodes(rspec_nodes)
100 result = {'geni_urn': Xrn(urns[0]).get_urn(),
101 'geni_rspec': rspec.toxml(),
102 'geni_slivers': geni_slivers}
106 def get_instances(self, urns):
107 # parse slice names and sliver ids
112 names.add(xrn.get_slice_name())
119 servers = self.driver.shell.nova_manager.servers.findall(name=name)
120 instances.extend(servers)
124 instances = [server in servers if server.id in ids]
128 def instance_to_rspec_node(self, instance):
130 node_xrn = instance.metadata.get('component_id')
132 node_xrn = OSXrn('cloud', type='node')
134 node_xrn = OSXrn(xrn=node_xrn, type='node')
137 rspec_node['component_id'] = node_xrn.urn
138 rspec_node['component_name'] = node_xrn.name
139 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
140 rspec_node['sliver_id'] = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
141 if instance.metadata.get('client_id'):
142 rspec_node['client_id'] = instance.metadata.get('client_id')
143 flavor = self.driver.shell.nova_manager.flavors.find(id=instance.flavor['id'])
144 rspec_node['slivers'] = [self.instance_to_sliver(flavor)]
145 image = self.driver.shell.image_manager.get_images(id=instance.image['id'])
146 if isinstance(image, list) and len(image) > 0:
148 disk_image = image_to_rspec_disk_image(image)
149 sliver['disk_image'] = [disk_image]
152 rspec_node['services'] = []
153 rspec_node['interfaces'] = []
154 addresses = instance.addresses
155 # HACK: public ips are stored in the list of private, but
156 # this seems wrong. Assume pub ip is the last in the list of
157 # private ips until openstack bug is fixed.
158 if addresses.get('private'):
159 login = Login({'authentication': 'ssh-keys',
160 'hostname': addresses.get('private')[-1]['addr'],
161 'port':'22', 'username': 'root'})
162 service = Services({'login': login})
163 rspec_node['services'].append(service)
165 for private_ip in addresses.get('private', []):
166 if_xrn = PlXrn(auth=self.driver.hrn,
167 interface='node%s' % (instance.hostId))
168 if_client_id = Xrn(if_xrn.urn, type='interface', id="eth%s" %if_index).urn
169 if_sliver_id = Xrn(rspec_node['sliver_id'], type='slice', id="eth%s" %if_index).urn
170 interface = Interface({'component_id': if_xrn.urn,
171 'client_id': if_client_id,
172 'sliver_id': if_sliver_id})
173 interface['ips'] = [{'address': private_ip['addr'],
174 #'netmask': private_ip['network'],
175 'type': private_ip['version']}]
176 rspec_node['interfaces'].append(interface)
178 # slivers always provide the ssh service
179 for public_ip in addresses.get('public', []):
180 login = Login({'authentication': 'ssh-keys',
181 'hostname': public_ip['addr'],
182 'port':'22', 'username': 'root'})
183 service = Services({'login': login})
184 rspec_node['services'].append(service)
188 def instance_to_sliver(self, instance, xrn=None):
190 xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
192 sliver = Sliver({'sliver_id': xrn.get_urn(),
193 'name': instance.name,
194 'type': instance.name,
195 'cpus': str(instance.vcpus),
196 'memory': str(instance.ram),
197 'storage': str(instance.disk)})
200 def instance_to_geni_sliver(self, instance):
201 op_status = "geni_unknown"
202 state = instance.state.lower()
203 if state == 'active':
204 op_status = 'geni_ready'
205 elif state == 'building':
206 op_status = 'geni_configuring'
207 elif state == 'failed':
208 op_status =' geni_failed'
210 urn = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
212 geni_sliver = {'geni_sliver_urn': urn,
213 'geni_expires': None,
214 'geni_allocation_status': 'geni_provisioned',
215 'geni_operational_status': op_status,
217 'plos_created_at': datetime_to_string(utcparse(instance.created)),
218 'plos_sliver_type': self.shell.nova_manager.flavors.find(id=instance.flavor['id']).name,
224 def get_aggregate_nodes(self):
225 zones = self.get_availability_zones()
226 # available sliver/instance/vm types
227 instances = self.driver.shell.nova_manager.flavors.list()
228 if isinstance(instances, dict):
229 instances = instances.values()
231 images = self.driver.shell.image_manager.get_images_detailed()
232 disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
236 xrn = OSXrn(zone, type='node')
237 rspec_node['component_id'] = xrn.urn
238 rspec_node['component_name'] = xrn.name
239 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
240 rspec_node['exclusive'] = 'false'
241 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
242 HardwareType({'name': 'pc'})]
244 for instance in instances:
245 sliver = self.instance_to_sliver(instance)
246 sliver['disk_image'] = disk_images
247 slivers.append(sliver)
249 rspec_node['slivers'] = slivers
250 rspec_nodes.append(rspec_node)
254 def create_tenant(self, tenant_name):
255 tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
257 self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
258 tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
263 def create_instance_key(self, slice_hrn, user):
264 slice_name = Xrn(slice_hrn).leaf
265 user_name = Xrn(user['urn']).leaf
266 key_name = "%s_%s" % (slice_name, user_name)
267 pubkey = user['keys'][0]
269 existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
270 for existing_key in existing_keys:
271 if existing_key.public_key != pubkey:
272 self.driver.shell.nova_manager.keypairs.delete(existing_key)
273 elif existing_key.public_key == pubkey:
277 self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
281 def create_security_group(self, slicename, fw_rules=[]):
282 # use default group by default
283 group_name = 'default'
284 if isinstance(fw_rules, list) and fw_rules:
285 # Each sliver get's its own security group.
286 # Keep security group names unique by appending some random
288 random_name = "".join([random.choice(string.letters+string.digits)
290 group_name = slicename + random_name
291 security_group = SecurityGroup(self.driver)
292 security_group.create_security_group(group_name)
293 for rule in fw_rules:
294 security_group.add_rule_to_group(group_name,
295 protocol = rule.get('protocol'),
296 cidr_ip = rule.get('cidr_ip'),
297 port_range = rule.get('port_range'),
298 icmp_type_code = rule.get('icmp_type_code'))
301 def add_rule_to_security_group(self, group_name, **kwds):
302 security_group = SecurityGroup(self.driver)
303 security_group.add_rule_to_group(group_name=group_name,
304 protocol=kwds.get('protocol'),
305 cidr_ip =kwds.get('cidr_ip'),
306 icmp_type_code = kwds.get('icmp_type_code'))
310 def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
311 #logger.debug('Reserving an instance: image: %s, flavor: ' \
312 # '%s, key: %s, name: %s' % \
313 # (image_id, flavor_id, key_name, slicename))
315 # make sure a tenant exists for this slice
316 tenant = self.create_tenant(tenant_name)
318 # add the sfa admin user to this tenant and update our nova client connection
319 # to use these credentials for the rest of this session. This emsures that the instances
320 # we create will be assigned to the correct tenant.
321 sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
322 user_role = self.driver.shell.auth_manager.roles.find(name='user')
323 admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
324 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
325 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
326 self.driver.shell.nova_manager.connect(tenant=tenant.name)
328 authorized_keys = "\n".join(pubkeys)
329 files = {'/root/.ssh/authorized_keys': authorized_keys}
331 requested_instances = defaultdict(list)
332 # iterate over clouds/zones/nodes
333 for node in rspec.version.get_nodes_with_slivers():
334 instances = node.get('slivers', [])
337 for instance in instances:
340 flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
341 image = instance.get('disk_image')
342 if image and isinstance(image, list):
344 image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
345 fw_rules = instance.get('fw_rules', [])
346 group_name = self.create_security_group(instance_name, fw_rules)
347 metadata['security_groups'] = group_name
348 if node.get('component_id'):
349 metadata['component_id'] = node['component_id']
350 if node.get('client_id'):
351 metadata['client_id'] = node['client_id']
352 self.driver.shell.nova_manager.servers.create(flavor=flavor_id,
355 security_groups = [group_name],
359 except Exception, err:
364 def delete_instance(self, tenant_name, instance_name, id=None):
366 def _delete_security_group(instance):
367 security_group = instance.metadata.get('security_groups', '')
369 manager = SecurityGroup(self.driver)
370 timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete
371 start_time = time.time()
372 instance_deleted = False
373 while instance_deleted == False and (time.time() - start_time) < timeout:
374 inst = self.driver.shell.nova_manager.servers.findall(id=instance.id)
376 instance_deleted = True
378 manager.delete_security_group(security_group)
380 thread_manager = ThreadManager()
381 self.driver.shell.nova_manager.connect(tenant=tenant_name)
382 args = {'name': instance_name}
385 instances = self.driver.shell.nova_manager.servers.findall(**args)
386 security_group_manager = SecurityGroup(self.driver)
387 for instance in instances:
389 self.driver.shell.nova_manager.servers.delete(instance)
390 # deleate this instance's security groups
391 thread_manager.run(_delete_security_group, instance)
394 def stop_instances(self, instance_name, tenant_name, id=None):
395 self.driver.shell.nova_manager.connect(tenant=tenant_name)
396 args = {'name': instance_name}
399 instances = self.driver.shell.nova_manager.servers.findall(**args)
400 for instance in instances:
401 self.driver.shell.nova_manager.servers.pause(instance)
404 def start_instances(self, instance_name, tenant_name, id=None):
405 self.driver.shell.nova_manager.connect(tenant=tenant_name)
406 args = {'name': instance_name}
409 instances = self.driver.shell.nova_manager.servers.findall(**args)
410 for instance in instances:
411 self.driver.shell.nova_manager.servers.resume(instance)
414 def restart_instances(self, instacne_name, tenant_name, id=None):
415 self.stop_instances(instance_name, tenant_name, id)
416 self.start_instances(instance_name, tenant_name, id)
419 def update_instances(self, project_name):