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.rspecs.elements.fw_rule import FWRule
22 from sfa.util.xrn import Xrn
23 from sfa.planetlab.plxrn import PlXrn
24 from sfa.openstack.osxrn import OSXrn, hrn_to_os_slicename
25 from sfa.rspecs.version_manager import VersionManager
26 from sfa.openstack.security_group import SecurityGroup
27 from sfa.util.sfalogging import logger
29 def pubkeys_to_user_data(pubkeys):
30 user_data = "#!/bin/bash\n\n"
31 for pubkey in pubkeys:
32 pubkey = pubkey.replace('\n', '')
33 user_data += "echo %s >> /root/.ssh/authorized_keys" % pubkey
35 user_data += "echo >> /root/.ssh/authorized_keys"
39 def image_to_rspec_disk_image(image):
41 img['name'] = image['name']
42 img['description'] = image['name']
43 img['os'] = image['name']
44 img['version'] = image['name']
49 def __init__(self, driver):
52 def get_availability_zones(self):
53 zones = self.driver.shell.nova_manager.dns_domains.domains()
57 zones = [zone.name for zone in zones]
60 def list_resources(self, version=None, options={}):
61 version_manager = VersionManager()
62 version = version_manager.get_version(version)
63 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
64 rspec = RSpec(version=version, user_options=options)
65 nodes = self.get_aggregate_nodes()
66 rspec.version.add_nodes(nodes)
69 def describe(self, urns, version=None, options={}):
70 # update nova connection
71 tenant_name = OSXrn(xrn=urns[0], type='slice').get_tenant_name()
72 self.driver.shell.nova_manager.connect(tenant=tenant_name)
73 instances = self.get_instances(urns)
74 # lookup the sliver allocations
75 sliver_ids = [sliver['sliver_id'] for sliver in slivers]
76 constraint = SliverAllocation.sliver_id.in_(sliver_ids)
77 sliver_allocations = dbsession.query(SliverAllocation).filter(constraint)
78 sliver_allocation_dict = {}
79 for sliver_allocation in sliver_allocations:
80 sliver_allocation_dict[sliver_allocation.sliver_id] = sliver_allocation
84 for instance in instances:
85 rspec_nodes.append(self.instance_to_rspec_node(instance))
86 geni_sliver = self.instance_to_geni_sliver(instance, sliver_sllocation_dict)
87 geni_slivers.append(geni_sliver)
88 version_manager = VersionManager()
89 version = version_manager.get_version(version)
90 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
91 rspec = RSpec(version=rspec_version, user_options=options)
92 rspec.xml.set('expires', datetime_to_string(utcparse(time.time())))
93 rspec.version.add_nodes(rspec_nodes)
94 result = {'geni_urn': Xrn(urns[0]).get_urn(),
95 'geni_rspec': rspec.toxml(),
96 'geni_slivers': geni_slivers}
100 def get_instances(self, urns):
101 # parse slice names and sliver ids
106 if xrn.type == 'slice':
107 names.add(xrn.get_slice_name())
108 elif xrn.type == 'sliver':
115 filter['name'] = names
118 servers = self.driver.shell.nova_manager.servers.findall(**filter)
119 instances.extend(servers)
123 def instance_to_rspec_node(self, instance):
125 node_xrn = instance.metadata.get('component_id')
127 node_xrn = OSXrn('cloud', type='node')
129 node_xrn = OSXrn(xrn=node_xrn, type='node')
132 rspec_node['component_id'] = node_xrn.urn
133 rspec_node['component_name'] = node_xrn.name
134 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
135 rspec_node['sliver_id'] = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
136 if instance.metadata.get('client_id'):
137 rspec_node['client_id'] = instance.metadata.get('client_id')
140 flavor = self.driver.shell.nova_manager.flavors.find(id=instance.flavor['id'])
141 sliver = self.instance_to_sliver(flavor)
144 group_name = instance.metadata.get('security_groups')
146 group = self.driver.shell.nova_manager.security_groups.find(name=group_name)
147 for rule in group.rules:
148 port_range ="%s:%s" % (rule['from_port'], rule['to_port'])
149 fw_rule = FWRule({'protocol': rule['ip_protocol'],
150 'port_range': port_range,
151 'cidr_ip': rule['ip_range']['cidr']})
152 fw_rules.append(fw_rule)
153 sliver['fw_rules'] = fw_rules
154 rspec_node['slivers'] = [sliver]
157 image = self.driver.shell.image_manager.get_images(id=instance.image['id'])
158 if isinstance(image, list) and len(image) > 0:
160 disk_image = image_to_rspec_disk_image(image)
161 sliver['disk_image'] = [disk_image]
164 rspec_node['services'] = []
165 rspec_node['interfaces'] = []
166 addresses = instance.addresses
167 # HACK: public ips are stored in the list of private, but
168 # this seems wrong. Assume pub ip is the last in the list of
169 # private ips until openstack bug is fixed.
170 if addresses.get('private'):
171 login = Login({'authentication': 'ssh-keys',
172 'hostname': addresses.get('private')[-1]['addr'],
173 'port':'22', 'username': 'root'})
174 service = Services({'login': login})
175 rspec_node['services'].append(service)
177 for private_ip in addresses.get('private', []):
178 if_xrn = PlXrn(auth=self.driver.hrn,
179 interface='node%s' % (instance.hostId))
180 if_client_id = Xrn(if_xrn.urn, type='interface', id="eth%s" %if_index).urn
181 if_sliver_id = Xrn(rspec_node['sliver_id'], type='slice', id="eth%s" %if_index).urn
182 interface = Interface({'component_id': if_xrn.urn,
183 'client_id': if_client_id,
184 'sliver_id': if_sliver_id})
185 interface['ips'] = [{'address': private_ip['addr'],
186 #'netmask': private_ip['network'],
187 'type': private_ip['version']}]
188 rspec_node['interfaces'].append(interface)
190 # slivers always provide the ssh service
191 for public_ip in addresses.get('public', []):
192 login = Login({'authentication': 'ssh-keys',
193 'hostname': public_ip['addr'],
194 'port':'22', 'username': 'root'})
195 service = Services({'login': login})
196 rspec_node['services'].append(service)
200 def instance_to_sliver(self, instance, xrn=None):
202 sliver_hrn = '%s.%s' % (self.driver.hrn, instance.id)
203 sliver_id = Xrn(sliver_hrn, type='sliver').urn
205 sliver = Sliver({'sliver_id': sliver_id,
206 'name': instance.name,
207 'type': instance.name,
208 'cpus': str(instance.vcpus),
209 'memory': str(instance.ram),
210 'storage': str(instance.disk)})
213 def instance_to_geni_sliver(self, instance, sliver_allocations = {}):
214 sliver_hrn = '%s.%s' % (self.driver.hrn, instance.id)
215 sliver_id = Xrn(sliver_hrn, type='sliver').urn
217 # set sliver allocation and operational status
218 sliver_allocation = sliver_allocations[sliver_id]
219 if sliver_allocation:
220 allocation_status = sliver_allocation.allocation_state
221 if allocation_status == 'geni_allocated':
222 op_status = 'geni_pending_allocation'
223 elif allocation_status == 'geni_provisioned':
224 state = instance.state.lower()
225 if state == 'active':
226 op_status = 'geni_ready'
227 elif state == 'building':
228 op_status = 'geni_notready'
229 elif state == 'failed':
230 op_status =' geni_failed'
232 op_status = 'geni_unknown'
234 allocation_status = 'geni_unallocated'
236 geni_sliver = {'geni_sliver_urn': sliver_id,
237 'geni_expires': None,
238 'geni_allocation_status': allocation_status,
239 'geni_operational_status': op_status,
241 'plos_created_at': datetime_to_string(utcparse(instance.created)),
242 'plos_sliver_type': self.shell.nova_manager.flavors.find(id=instance.flavor['id']).name,
248 def get_aggregate_nodes(self):
249 zones = self.get_availability_zones()
250 # available sliver/instance/vm types
251 instances = self.driver.shell.nova_manager.flavors.list()
252 if isinstance(instances, dict):
253 instances = instances.values()
255 images = self.driver.shell.image_manager.get_images_detailed()
256 disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
260 xrn = OSXrn(zone, type='node')
261 rspec_node['component_id'] = xrn.urn
262 rspec_node['component_name'] = xrn.name
263 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
264 rspec_node['exclusive'] = 'false'
265 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
266 HardwareType({'name': 'pc'})]
268 for instance in instances:
269 sliver = self.instance_to_sliver(instance)
270 sliver['disk_image'] = disk_images
271 slivers.append(sliver)
272 rspec_node['available'] = 'true'
273 rspec_node['slivers'] = slivers
274 rspec_nodes.append(rspec_node)
278 def create_tenant(self, tenant_name):
279 tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
281 self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
282 tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
287 def create_instance_key(self, slice_hrn, user):
288 slice_name = Xrn(slice_hrn).leaf
289 user_name = Xrn(user['urn']).leaf
290 key_name = "%s_%s" % (slice_name, user_name)
291 pubkey = user['keys'][0]
293 existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
294 for existing_key in existing_keys:
295 if existing_key.public_key != pubkey:
296 self.driver.shell.nova_manager.keypairs.delete(existing_key)
297 elif existing_key.public_key == pubkey:
301 self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
305 def create_security_group(self, slicename, fw_rules=[]):
306 # use default group by default
307 group_name = 'default'
308 if isinstance(fw_rules, list) and fw_rules:
309 # Each sliver get's its own security group.
310 # Keep security group names unique by appending some random
312 random_name = "".join([random.choice(string.letters+string.digits)
314 group_name = slicename + random_name
315 security_group = SecurityGroup(self.driver)
316 security_group.create_security_group(group_name)
317 for rule in fw_rules:
318 security_group.add_rule_to_group(group_name,
319 protocol = rule.get('protocol'),
320 cidr_ip = rule.get('cidr_ip'),
321 port_range = rule.get('port_range'),
322 icmp_type_code = rule.get('icmp_type_code'))
325 def add_rule_to_security_group(self, group_name, **kwds):
326 security_group = SecurityGroup(self.driver)
327 security_group.add_rule_to_group(group_name=group_name,
328 protocol=kwds.get('protocol'),
329 cidr_ip =kwds.get('cidr_ip'),
330 icmp_type_code = kwds.get('icmp_type_code'))
334 def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
335 #logger.debug('Reserving an instance: image: %s, flavor: ' \
336 # '%s, key: %s, name: %s' % \
337 # (image_id, flavor_id, key_name, slicename))
339 # make sure a tenant exists for this slice
340 tenant = self.create_tenant(tenant_name)
342 # add the sfa admin user to this tenant and update our nova client connection
343 # to use these credentials for the rest of this session. This emsures that the instances
344 # we create will be assigned to the correct tenant.
345 sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
346 user_role = self.driver.shell.auth_manager.roles.find(name='user')
347 admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
348 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
349 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
350 self.driver.shell.nova_manager.connect(tenant=tenant.name)
352 authorized_keys = "\n".join(pubkeys)
353 files = {'/root/.ssh/authorized_keys': authorized_keys}
355 requested_instances = defaultdict(list)
356 # iterate over clouds/zones/nodes
358 for node in rspec.version.get_nodes_with_slivers():
359 instances = node.get('slivers', [])
362 for instance in instances:
365 flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
366 image = instance.get('disk_image')
367 if image and isinstance(image, list):
369 image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
370 fw_rules = instance.get('fw_rules', [])
371 group_name = self.create_security_group(instance_name, fw_rules)
372 metadata['security_groups'] = group_name
373 if node.get('component_id'):
374 metadata['component_id'] = node['component_id']
375 if node.get('client_id'):
376 metadata['client_id'] = node['client_id']
377 server = self.driver.shell.nova_manager.servers.create(
381 security_groups = [group_name],
385 slivers.append(server)
386 except Exception, err:
391 def delete_instance(self, instance):
393 def _delete_security_group(inst):
394 security_group = inst.metadata.get('security_groups', '')
396 manager = SecurityGroup(self.driver)
397 timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete
398 start_time = time.time()
399 instance_deleted = False
400 while instance_deleted == False and (time.time() - start_time) < timeout:
401 tmp_inst = self.driver.shell.nova_manager.servers.findall(id=inst.id)
403 instance_deleted = True
405 manager.delete_security_group(security_group)
407 thread_manager = ThreadManager()
408 tenant = self.driver.shell.auth_manager.tenants.find(id=instance.tenant_id)
409 self.driver.shell.nova_manager.connect(tenant=tenant.name)
410 args = {'name': instance.name,
412 instances = self.driver.shell.nova_manager.servers.findall(**args)
413 security_group_manager = SecurityGroup(self.driver)
414 for instance in instances:
416 self.driver.shell.nova_manager.servers.delete(instance)
417 # deleate this instance's security groups
418 thread_manager.run(_delete_security_group, instance)
421 def stop_instances(self, instance_name, tenant_name, id=None):
422 self.driver.shell.nova_manager.connect(tenant=tenant_name)
423 args = {'name': instance_name}
426 instances = self.driver.shell.nova_manager.servers.findall(**args)
427 for instance in instances:
428 self.driver.shell.nova_manager.servers.pause(instance)
431 def start_instances(self, instance_name, tenant_name, id=None):
432 self.driver.shell.nova_manager.connect(tenant=tenant_name)
433 args = {'name': instance_name}
436 instances = self.driver.shell.nova_manager.servers.findall(**args)
437 for instance in instances:
438 self.driver.shell.nova_manager.servers.resume(instance)
441 def restart_instances(self, instacne_name, tenant_name, id=None):
442 self.stop_instances(instance_name, tenant_name, id)
443 self.start_instances(instance_name, tenant_name, id)
446 def update_instances(self, project_name):