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 if len(instances) == 0:
75 raise SliverDoesNotExist("You have not allocated any slivers here")
77 # lookup the sliver allocations
78 sliver_ids = [sliver['sliver_id'] for sliver in slivers]
79 constraint = SliverAllocation.sliver_id.in_(sliver_ids)
80 sliver_allocations = dbsession.query(SliverAllocation).filter(constraint)
81 sliver_allocation_dict = {}
82 for sliver_allocation in sliver_allocations:
83 sliver_allocation_dict[sliver_allocation.sliver_id] = sliver_allocation
87 for instance in instances:
88 rspec_nodes.append(self.instance_to_rspec_node(instance))
89 geni_sliver = self.instance_to_geni_sliver(instance, sliver_sllocation_dict)
90 geni_slivers.append(geni_sliver)
91 version_manager = VersionManager()
92 version = version_manager.get_version(version)
93 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
94 rspec = RSpec(version=rspec_version, user_options=options)
95 rspec.version.add_nodes(rspec_nodes)
96 result = {'geni_urn': Xrn(urns[0]).get_urn(),
97 'geni_rspec': rspec.toxml(),
98 'geni_slivers': geni_slivers}
102 def get_instances(self, urns):
103 # parse slice names and sliver ids
108 if xrn.type == 'slice':
109 names.add(xrn.get_slice_name())
110 elif xrn.type == 'sliver':
117 filter['name'] = names
120 servers = self.driver.shell.nova_manager.servers.findall(**filter)
121 instances.extend(servers)
125 def instance_to_rspec_node(self, instance):
127 node_xrn = instance.metadata.get('component_id')
129 node_xrn = OSXrn('cloud', type='node')
131 node_xrn = OSXrn(xrn=node_xrn, type='node')
134 rspec_node['component_id'] = node_xrn.urn
135 rspec_node['component_name'] = node_xrn.name
136 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
137 rspec_node['sliver_id'] = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
138 if instance.metadata.get('client_id'):
139 rspec_node['client_id'] = instance.metadata.get('client_id')
142 flavor = self.driver.shell.nova_manager.flavors.find(id=instance.flavor['id'])
143 sliver = self.instance_to_sliver(flavor)
146 group_name = instance.metadata.get('security_groups')
148 group = self.driver.shell.nova_manager.security_groups.find(name=group_name)
149 for rule in group.rules:
150 port_range ="%s:%s" % (rule['from_port'], rule['to_port'])
151 fw_rule = FWRule({'protocol': rule['ip_protocol'],
152 'port_range': port_range,
153 'cidr_ip': rule['ip_range']['cidr']})
154 fw_rules.append(fw_rule)
155 sliver['fw_rules'] = fw_rules
156 rspec_node['slivers'] = [sliver]
159 image = self.driver.shell.image_manager.get_images(id=instance.image['id'])
160 if isinstance(image, list) and len(image) > 0:
162 disk_image = image_to_rspec_disk_image(image)
163 sliver['disk_image'] = [disk_image]
166 rspec_node['services'] = []
167 rspec_node['interfaces'] = []
168 addresses = instance.addresses
169 # HACK: public ips are stored in the list of private, but
170 # this seems wrong. Assume pub ip is the last in the list of
171 # private ips until openstack bug is fixed.
172 if addresses.get('private'):
173 login = Login({'authentication': 'ssh-keys',
174 'hostname': addresses.get('private')[-1]['addr'],
175 'port':'22', 'username': 'root'})
176 service = Services({'login': login})
177 rspec_node['services'].append(service)
179 for private_ip in addresses.get('private', []):
180 if_xrn = PlXrn(auth=self.driver.hrn,
181 interface='node%s' % (instance.hostId))
182 if_client_id = Xrn(if_xrn.urn, type='interface', id="eth%s" %if_index).urn
183 if_sliver_id = Xrn(rspec_node['sliver_id'], type='slice', id="eth%s" %if_index).urn
184 interface = Interface({'component_id': if_xrn.urn,
185 'client_id': if_client_id,
186 'sliver_id': if_sliver_id})
187 interface['ips'] = [{'address': private_ip['addr'],
188 #'netmask': private_ip['network'],
189 'type': private_ip['version']}]
190 rspec_node['interfaces'].append(interface)
192 # slivers always provide the ssh service
193 for public_ip in addresses.get('public', []):
194 login = Login({'authentication': 'ssh-keys',
195 'hostname': public_ip['addr'],
196 'port':'22', 'username': 'root'})
197 service = Services({'login': login})
198 rspec_node['services'].append(service)
202 def instance_to_sliver(self, instance, xrn=None):
204 xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
206 sliver = Sliver({'sliver_id': xrn.get_urn(),
207 'name': instance.name,
208 'type': instance.name,
209 'cpus': str(instance.vcpus),
210 'memory': str(instance.ram),
211 'storage': str(instance.disk)})
214 def instance_to_geni_sliver(self, instance, sliver_allocations = {}):
215 sliver_hrn = '%s.%s' % (root_hrn, instance.id)
216 sliver_id = Xrn(sliver_hrn, type='sliver').urn
218 # set sliver allocation and operational status
219 sliver_allocation = sliver_allocations[sliver_id]
220 if sliver_allocation:
221 allocation_status = sliver_allocation.allocation_state
222 if allocation_status == 'geni_allocated':
223 op_status = 'geni_pending_allocation'
224 elif allocation_status == 'geni_provisioned':
225 state = instance.state.lower()
226 if state == 'active':
227 op_status = 'geni_ready'
228 elif state == 'building':
229 op_status = 'geni_notready'
230 elif state == 'failed':
231 op_status =' geni_failed'
233 op_status = 'geni_unknown'
235 allocation_status = 'geni_unallocated'
237 geni_sliver = {'geni_sliver_urn': sliver_id,
238 'geni_expires': None,
239 'geni_allocation_status': allocation_status,
240 'geni_operational_status': op_status,
242 'plos_created_at': datetime_to_string(utcparse(instance.created)),
243 'plos_sliver_type': self.shell.nova_manager.flavors.find(id=instance.flavor['id']).name,
249 def get_aggregate_nodes(self):
250 zones = self.get_availability_zones()
251 # available sliver/instance/vm types
252 instances = self.driver.shell.nova_manager.flavors.list()
253 if isinstance(instances, dict):
254 instances = instances.values()
256 images = self.driver.shell.image_manager.get_images_detailed()
257 disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
261 xrn = OSXrn(zone, type='node')
262 rspec_node['component_id'] = xrn.urn
263 rspec_node['component_name'] = xrn.name
264 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
265 rspec_node['exclusive'] = 'false'
266 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
267 HardwareType({'name': 'pc'})]
269 for instance in instances:
270 sliver = self.instance_to_sliver(instance)
271 sliver['disk_image'] = disk_images
272 slivers.append(sliver)
273 rspec_node['available'] = 'true'
274 rspec_node['slivers'] = slivers
275 rspec_nodes.append(rspec_node)
279 def create_tenant(self, tenant_name):
280 tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
282 self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
283 tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
288 def create_instance_key(self, slice_hrn, user):
289 slice_name = Xrn(slice_hrn).leaf
290 user_name = Xrn(user['urn']).leaf
291 key_name = "%s_%s" % (slice_name, user_name)
292 pubkey = user['keys'][0]
294 existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
295 for existing_key in existing_keys:
296 if existing_key.public_key != pubkey:
297 self.driver.shell.nova_manager.keypairs.delete(existing_key)
298 elif existing_key.public_key == pubkey:
302 self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
306 def create_security_group(self, slicename, fw_rules=[]):
307 # use default group by default
308 group_name = 'default'
309 if isinstance(fw_rules, list) and fw_rules:
310 # Each sliver get's its own security group.
311 # Keep security group names unique by appending some random
313 random_name = "".join([random.choice(string.letters+string.digits)
315 group_name = slicename + random_name
316 security_group = SecurityGroup(self.driver)
317 security_group.create_security_group(group_name)
318 for rule in fw_rules:
319 security_group.add_rule_to_group(group_name,
320 protocol = rule.get('protocol'),
321 cidr_ip = rule.get('cidr_ip'),
322 port_range = rule.get('port_range'),
323 icmp_type_code = rule.get('icmp_type_code'))
326 def add_rule_to_security_group(self, group_name, **kwds):
327 security_group = SecurityGroup(self.driver)
328 security_group.add_rule_to_group(group_name=group_name,
329 protocol=kwds.get('protocol'),
330 cidr_ip =kwds.get('cidr_ip'),
331 icmp_type_code = kwds.get('icmp_type_code'))
335 def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
336 #logger.debug('Reserving an instance: image: %s, flavor: ' \
337 # '%s, key: %s, name: %s' % \
338 # (image_id, flavor_id, key_name, slicename))
340 # make sure a tenant exists for this slice
341 tenant = self.create_tenant(tenant_name)
343 # add the sfa admin user to this tenant and update our nova client connection
344 # to use these credentials for the rest of this session. This emsures that the instances
345 # we create will be assigned to the correct tenant.
346 sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
347 user_role = self.driver.shell.auth_manager.roles.find(name='user')
348 admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
349 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
350 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
351 self.driver.shell.nova_manager.connect(tenant=tenant.name)
353 authorized_keys = "\n".join(pubkeys)
354 files = {'/root/.ssh/authorized_keys': authorized_keys}
356 requested_instances = defaultdict(list)
357 # iterate over clouds/zones/nodes
359 for node in rspec.version.get_nodes_with_slivers():
360 instances = node.get('slivers', [])
363 for instance in instances:
366 flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
367 image = instance.get('disk_image')
368 if image and isinstance(image, list):
370 image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
371 fw_rules = instance.get('fw_rules', [])
372 group_name = self.create_security_group(instance_name, fw_rules)
373 metadata['security_groups'] = group_name
374 if node.get('component_id'):
375 metadata['component_id'] = node['component_id']
376 if node.get('client_id'):
377 metadata['client_id'] = node['client_id']
378 server = self.driver.shell.nova_manager.servers.create(
382 security_groups = [group_name],
386 slivers.append(server)
387 except Exception, err:
392 def delete_instance(self, instance):
394 def _delete_security_group(inst):
395 security_group = inst.metadata.get('security_groups', '')
397 manager = SecurityGroup(self.driver)
398 timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete
399 start_time = time.time()
400 instance_deleted = False
401 while instance_deleted == False and (time.time() - start_time) < timeout:
402 tmp_inst = self.driver.shell.nova_manager.servers.findall(id=inst.id)
404 instance_deleted = True
406 manager.delete_security_group(security_group)
408 thread_manager = ThreadManager()
409 tenant = self.driver.shell.auth_manager.tenants.find(id=instance.tenant_id)
410 self.driver.shell.nova_manager.connect(tenant=tenant.name)
411 args = {'name': instance.name,
413 instances = self.driver.shell.nova_manager.servers.findall(**args)
414 security_group_manager = SecurityGroup(self.driver)
415 for instance in instances:
417 self.driver.shell.nova_manager.servers.delete(instance)
418 # deleate this instance's security groups
419 thread_manager.run(_delete_security_group, instance)
422 def stop_instances(self, instance_name, tenant_name, id=None):
423 self.driver.shell.nova_manager.connect(tenant=tenant_name)
424 args = {'name': instance_name}
427 instances = self.driver.shell.nova_manager.servers.findall(**args)
428 for instance in instances:
429 self.driver.shell.nova_manager.servers.pause(instance)
432 def start_instances(self, instance_name, tenant_name, id=None):
433 self.driver.shell.nova_manager.connect(tenant=tenant_name)
434 args = {'name': instance_name}
437 instances = self.driver.shell.nova_manager.servers.findall(**args)
438 for instance in instances:
439 self.driver.shell.nova_manager.servers.resume(instance)
442 def restart_instances(self, instacne_name, tenant_name, id=None):
443 self.stop_instances(instance_name, tenant_name, id)
444 self.start_instances(instance_name, tenant_name, id)
447 def update_instances(self, project_name):