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.version.add_nodes(rspec_nodes)
93 result = {'geni_urn': Xrn(urns[0]).get_urn(),
94 'geni_rspec': rspec.toxml(),
95 'geni_slivers': geni_slivers}
99 def get_instances(self, urns):
100 # parse slice names and sliver ids
105 if xrn.type == 'slice':
106 names.add(xrn.get_slice_name())
107 elif xrn.type == 'sliver':
114 filter['name'] = names
117 servers = self.driver.shell.nova_manager.servers.findall(**filter)
118 instances.extend(servers)
122 def instance_to_rspec_node(self, instance):
124 node_xrn = instance.metadata.get('component_id')
126 node_xrn = OSXrn('cloud', type='node')
128 node_xrn = OSXrn(xrn=node_xrn, type='node')
131 rspec_node['component_id'] = node_xrn.urn
132 rspec_node['component_name'] = node_xrn.name
133 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
134 rspec_node['sliver_id'] = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
135 if instance.metadata.get('client_id'):
136 rspec_node['client_id'] = instance.metadata.get('client_id')
139 flavor = self.driver.shell.nova_manager.flavors.find(id=instance.flavor['id'])
140 sliver = self.instance_to_sliver(flavor)
143 group_name = instance.metadata.get('security_groups')
145 group = self.driver.shell.nova_manager.security_groups.find(name=group_name)
146 for rule in group.rules:
147 port_range ="%s:%s" % (rule['from_port'], rule['to_port'])
148 fw_rule = FWRule({'protocol': rule['ip_protocol'],
149 'port_range': port_range,
150 'cidr_ip': rule['ip_range']['cidr']})
151 fw_rules.append(fw_rule)
152 sliver['fw_rules'] = fw_rules
153 rspec_node['slivers'] = [sliver]
156 image = self.driver.shell.image_manager.get_images(id=instance.image['id'])
157 if isinstance(image, list) and len(image) > 0:
159 disk_image = image_to_rspec_disk_image(image)
160 sliver['disk_image'] = [disk_image]
163 rspec_node['services'] = []
164 rspec_node['interfaces'] = []
165 addresses = instance.addresses
166 # HACK: public ips are stored in the list of private, but
167 # this seems wrong. Assume pub ip is the last in the list of
168 # private ips until openstack bug is fixed.
169 if addresses.get('private'):
170 login = Login({'authentication': 'ssh-keys',
171 'hostname': addresses.get('private')[-1]['addr'],
172 'port':'22', 'username': 'root'})
173 service = Services({'login': login})
174 rspec_node['services'].append(service)
176 for private_ip in addresses.get('private', []):
177 if_xrn = PlXrn(auth=self.driver.hrn,
178 interface='node%s' % (instance.hostId))
179 if_client_id = Xrn(if_xrn.urn, type='interface', id="eth%s" %if_index).urn
180 if_sliver_id = Xrn(rspec_node['sliver_id'], type='slice', id="eth%s" %if_index).urn
181 interface = Interface({'component_id': if_xrn.urn,
182 'client_id': if_client_id,
183 'sliver_id': if_sliver_id})
184 interface['ips'] = [{'address': private_ip['addr'],
185 #'netmask': private_ip['network'],
186 'type': private_ip['version']}]
187 rspec_node['interfaces'].append(interface)
189 # slivers always provide the ssh service
190 for public_ip in addresses.get('public', []):
191 login = Login({'authentication': 'ssh-keys',
192 'hostname': public_ip['addr'],
193 'port':'22', 'username': 'root'})
194 service = Services({'login': login})
195 rspec_node['services'].append(service)
199 def instance_to_sliver(self, instance, xrn=None):
201 sliver_hrn = '%s.%s' % (self.driver.hrn, instance.id)
202 sliver_id = Xrn(sliver_hrn, type='sliver').urn
204 sliver = Sliver({'sliver_id': sliver_id,
205 'name': instance.name,
206 'type': instance.name,
207 'cpus': str(instance.vcpus),
208 'memory': str(instance.ram),
209 'storage': str(instance.disk)})
212 def instance_to_geni_sliver(self, instance, sliver_allocations = {}):
213 sliver_hrn = '%s.%s' % (self.driver.hrn, instance.id)
214 sliver_id = Xrn(sliver_hrn, type='sliver').urn
216 # set sliver allocation and operational status
217 sliver_allocation = sliver_allocations[sliver_id]
218 if sliver_allocation:
219 allocation_status = sliver_allocation.allocation_state
220 if allocation_status == 'geni_allocated':
221 op_status = 'geni_pending_allocation'
222 elif allocation_status == 'geni_provisioned':
223 state = instance.state.lower()
224 if state == 'active':
225 op_status = 'geni_ready'
226 elif state == 'building':
227 op_status = 'geni_notready'
228 elif state == 'failed':
229 op_status =' geni_failed'
231 op_status = 'geni_unknown'
233 allocation_status = 'geni_unallocated'
235 geni_sliver = {'geni_sliver_urn': sliver_id,
236 'geni_expires': None,
237 'geni_allocation_status': allocation_status,
238 'geni_operational_status': op_status,
240 'plos_created_at': datetime_to_string(utcparse(instance.created)),
241 'plos_sliver_type': self.shell.nova_manager.flavors.find(id=instance.flavor['id']).name,
247 def get_aggregate_nodes(self):
248 zones = self.get_availability_zones()
249 # available sliver/instance/vm types
250 instances = self.driver.shell.nova_manager.flavors.list()
251 if isinstance(instances, dict):
252 instances = instances.values()
254 images = self.driver.shell.image_manager.get_images_detailed()
255 disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
259 xrn = OSXrn(zone, type='node')
260 rspec_node['component_id'] = xrn.urn
261 rspec_node['component_name'] = xrn.name
262 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
263 rspec_node['exclusive'] = 'false'
264 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
265 HardwareType({'name': 'pc'})]
267 for instance in instances:
268 sliver = self.instance_to_sliver(instance)
269 sliver['disk_image'] = disk_images
270 slivers.append(sliver)
271 rspec_node['available'] = 'true'
272 rspec_node['slivers'] = slivers
273 rspec_nodes.append(rspec_node)
277 def create_tenant(self, tenant_name):
278 tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
280 self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
281 tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
286 def create_instance_key(self, slice_hrn, user):
287 slice_name = Xrn(slice_hrn).leaf
288 user_name = Xrn(user['urn']).leaf
289 key_name = "%s_%s" % (slice_name, user_name)
290 pubkey = user['keys'][0]
292 existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
293 for existing_key in existing_keys:
294 if existing_key.public_key != pubkey:
295 self.driver.shell.nova_manager.keypairs.delete(existing_key)
296 elif existing_key.public_key == pubkey:
300 self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
304 def create_security_group(self, slicename, fw_rules=[]):
305 # use default group by default
306 group_name = 'default'
307 if isinstance(fw_rules, list) and fw_rules:
308 # Each sliver get's its own security group.
309 # Keep security group names unique by appending some random
311 random_name = "".join([random.choice(string.letters+string.digits)
313 group_name = slicename + random_name
314 security_group = SecurityGroup(self.driver)
315 security_group.create_security_group(group_name)
316 for rule in fw_rules:
317 security_group.add_rule_to_group(group_name,
318 protocol = rule.get('protocol'),
319 cidr_ip = rule.get('cidr_ip'),
320 port_range = rule.get('port_range'),
321 icmp_type_code = rule.get('icmp_type_code'))
324 def add_rule_to_security_group(self, group_name, **kwds):
325 security_group = SecurityGroup(self.driver)
326 security_group.add_rule_to_group(group_name=group_name,
327 protocol=kwds.get('protocol'),
328 cidr_ip =kwds.get('cidr_ip'),
329 icmp_type_code = kwds.get('icmp_type_code'))
333 def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
334 #logger.debug('Reserving an instance: image: %s, flavor: ' \
335 # '%s, key: %s, name: %s' % \
336 # (image_id, flavor_id, key_name, slicename))
338 # make sure a tenant exists for this slice
339 tenant = self.create_tenant(tenant_name)
341 # add the sfa admin user to this tenant and update our nova client connection
342 # to use these credentials for the rest of this session. This emsures that the instances
343 # we create will be assigned to the correct tenant.
344 sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
345 user_role = self.driver.shell.auth_manager.roles.find(name='user')
346 admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
347 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
348 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
349 self.driver.shell.nova_manager.connect(tenant=tenant.name)
351 authorized_keys = "\n".join(pubkeys)
352 files = {'/root/.ssh/authorized_keys': authorized_keys}
354 requested_instances = defaultdict(list)
355 # iterate over clouds/zones/nodes
357 for node in rspec.version.get_nodes_with_slivers():
358 instances = node.get('slivers', [])
361 for instance in instances:
364 flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
365 image = instance.get('disk_image')
366 if image and isinstance(image, list):
368 image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
369 fw_rules = instance.get('fw_rules', [])
370 group_name = self.create_security_group(instance_name, fw_rules)
371 metadata['security_groups'] = group_name
372 if node.get('component_id'):
373 metadata['component_id'] = node['component_id']
374 if node.get('client_id'):
375 metadata['client_id'] = node['client_id']
376 server = self.driver.shell.nova_manager.servers.create(
380 security_groups = [group_name],
384 slivers.append(server)
385 except Exception, err:
390 def delete_instance(self, instance):
392 def _delete_security_group(inst):
393 security_group = inst.metadata.get('security_groups', '')
395 manager = SecurityGroup(self.driver)
396 timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete
397 start_time = time.time()
398 instance_deleted = False
399 while instance_deleted == False and (time.time() - start_time) < timeout:
400 tmp_inst = self.driver.shell.nova_manager.servers.findall(id=inst.id)
402 instance_deleted = True
404 manager.delete_security_group(security_group)
406 thread_manager = ThreadManager()
407 tenant = self.driver.shell.auth_manager.tenants.find(id=instance.tenant_id)
408 self.driver.shell.nova_manager.connect(tenant=tenant.name)
409 args = {'name': instance.name,
411 instances = self.driver.shell.nova_manager.servers.findall(**args)
412 security_group_manager = SecurityGroup(self.driver)
413 for instance in instances:
415 self.driver.shell.nova_manager.servers.delete(instance)
416 # deleate this instance's security groups
417 thread_manager.run(_delete_security_group, instance)
420 def stop_instances(self, instance_name, tenant_name, id=None):
421 self.driver.shell.nova_manager.connect(tenant=tenant_name)
422 args = {'name': instance_name}
425 instances = self.driver.shell.nova_manager.servers.findall(**args)
426 for instance in instances:
427 self.driver.shell.nova_manager.servers.pause(instance)
430 def start_instances(self, instance_name, tenant_name, id=None):
431 self.driver.shell.nova_manager.connect(tenant=tenant_name)
432 args = {'name': instance_name}
435 instances = self.driver.shell.nova_manager.servers.findall(**args)
436 for instance in instances:
437 self.driver.shell.nova_manager.servers.resume(instance)
440 def restart_instances(self, instacne_name, tenant_name, id=None):
441 self.stop_instances(instance_name, tenant_name, id)
442 self.start_instances(instance_name, tenant_name, id)
445 def update_instances(self, project_name):