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 instance_to_sliver(instance, xrn=None):
42 sliver_xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
44 sliver = Sliver({'slice_id': sliver_urn,
45 'name': instance.name,
46 'type': instance.name,
47 'cpus': str(instance.vcpus),
48 'memory': str(instance.ram),
49 'storage': str(instance.disk)})
52 def image_to_rspec_disk_image(image):
54 img['name'] = image['name']
55 img['description'] = image['name']
56 img['os'] = image['name']
57 img['version'] = image['name']
62 def __init__(self, driver):
65 def get_availability_zones(self):
66 zones = self.driver.shell.nova_manager.dns_domains.domains()
70 zones = [zone.name for zone in zones]
74 def list_resources(self, version=None, options={}):
75 version_manager = VersionManager()
76 version = version_manager.get_version(version)
77 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
78 rspec = RSpec(version=version, user_options=options)
79 nodes = self.get_aggregate_nodes()
80 rspec.version.add_nodes(nodes)
83 def describe(self, urns, version=None, options={}):
84 # update nova connection
85 tenant_name = OSXrn(xrn=urns[0], type='slice').get_tenant_name()
86 self.driver.shell.nova_manager.connect(tenant=tenant_name)
87 instances = self.get_instances(urns)
88 if len(instances) == 0:
89 raise SliverDoesNotExist("You have not allocated any slivers here")
93 for instance in instances:
94 rspec_nodes.append(self.instance_to_rspec_node(instance))
95 geni_slivers.append(self.instance_to_geni_sliver(instance))
96 version_manager = VersionManager()
97 version = version_manager.get_version(version)
98 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
99 rspec = RSpec(version=version, user_options=options)
100 rspec.version.add_nodes(rspec_nodes)
101 result = {'geni_urn': Xrn(urns[0]).get_urn(),
102 'geni_rspec': rspec.toxml(),
103 'geni_slivers': geni_slivers}
107 def get_instances(self, urns):
108 # parse slice names and sliver ids
113 names.add(xrn.get_slice_name())
120 servers = self.driver.shell.nova_manager.servers.findall(name=name)
121 instances.extend(servers)
125 instances = [server for server in servers if server.id in ids]
129 def instance_to_rspec_node(self, instance):
131 node_xrn = instance.metadata.get('component_id')
133 node_xrn = OSXrn('cloud', type='node')
135 node_xrn = OSXrn(xrn=node_xrn, type='node')
138 rspec_node['component_id'] = node_xrn.urn
139 rspec_node['component_name'] = node_xrn.name
140 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
141 rspec_node['sliver_id'] = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
142 if instance.metadata.get('client_id'):
143 rspec_node['client_id'] = instance.metadata.get('client_id')
146 flavor = self.driver.shell.nova_manager.flavors.find(id=instance.flavor['id'])
147 sliver = self.instance_to_sliver(flavor)
150 group_name = instance.metadata.get('security_groups')
152 group = self.driver.shell.nova_manager.security_groups.find(name=group_name)
153 for rule in group.rules:
154 port_range ="%s:%s" % (rule['from_port'], rule['to_port'])
155 fw_rule = FWRule({'protocol': rule['ip_protocol'],
156 'port_range': port_range,
157 'cidr_ip': rule['ip_range']['cidr']})
158 fw_rules.append(fw_rule)
159 sliver['fw_rules'] = fw_rules
160 rspec_node['slivers'] = [sliver]
163 image = self.driver.shell.image_manager.get_images(id=instance.image['id'])
164 if isinstance(image, list) and len(image) > 0:
166 disk_image = image_to_rspec_disk_image(image)
167 sliver['disk_image'] = [disk_image]
170 rspec_node['services'] = []
171 rspec_node['interfaces'] = []
172 addresses = instance.addresses
173 # HACK: public ips are stored in the list of private, but
174 # this seems wrong. Assume pub ip is the last in the list of
175 # private ips until openstack bug is fixed.
176 if addresses.get('private'):
177 login = Login({'authentication': 'ssh-keys',
178 'hostname': addresses.get('private')[-1]['addr'],
179 'port':'22', 'username': 'root'})
180 service = Services({'login': login})
181 rspec_node['services'].append(service)
183 for private_ip in addresses.get('private', []):
184 if_xrn = PlXrn(auth=self.driver.hrn,
185 interface='node%s' % (instance.hostId))
186 if_client_id = Xrn(if_xrn.urn, type='interface', id="eth%s" %if_index).urn
187 if_sliver_id = Xrn(rspec_node['sliver_id'], type='slice', id="eth%s" %if_index).urn
188 interface = Interface({'component_id': if_xrn.urn,
189 'client_id': if_client_id,
190 'sliver_id': if_sliver_id})
191 interface['ips'] = [{'address': private_ip['addr'],
192 #'netmask': private_ip['network'],
193 'type': private_ip['version']}]
194 rspec_node['interfaces'].append(interface)
196 # slivers always provide the ssh service
197 for public_ip in addresses.get('public', []):
198 login = Login({'authentication': 'ssh-keys',
199 'hostname': public_ip['addr'],
200 'port':'22', 'username': 'root'})
201 service = Services({'login': login})
202 rspec_node['services'].append(service)
206 def instance_to_sliver(self, instance, xrn=None):
208 xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
210 sliver = Sliver({'sliver_id': xrn.get_urn(),
211 'name': instance.name,
212 'type': instance.name,
213 'cpus': str(instance.vcpus),
214 'memory': str(instance.ram),
215 'storage': str(instance.disk)})
218 def instance_to_geni_sliver(self, instance):
219 op_status = "geni_unknown"
220 state = instance.state.lower()
221 if state == 'active':
222 op_status = 'geni_ready'
223 elif state == 'building':
224 op_status = 'geni_configuring'
225 elif state == 'failed':
226 op_status =' geni_failed'
228 urn = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
230 geni_sliver = {'geni_sliver_urn': urn,
231 'geni_expires': None,
232 'geni_allocation_status': 'geni_provisioned',
233 'geni_operational_status': op_status,
235 'plos_created_at': datetime_to_string(utcparse(instance.created)),
236 'plos_sliver_type': self.shell.nova_manager.flavors.find(id=instance.flavor['id']).name,
242 def get_aggregate_nodes(self):
243 zones = self.get_availability_zones()
244 # available sliver/instance/vm types
245 instances = self.driver.shell.nova_manager.flavors.list()
246 if isinstance(instances, dict):
247 instances = instances.values()
249 images = self.driver.shell.image_manager.get_images_detailed()
250 disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
254 xrn = OSXrn(zone, type='node')
255 rspec_node['component_id'] = xrn.urn
256 rspec_node['component_name'] = xrn.name
257 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
258 rspec_node['exclusive'] = 'false'
259 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
260 HardwareType({'name': 'pc'})]
262 for instance in instances:
263 sliver = self.instance_to_sliver(instance)
264 sliver['disk_image'] = disk_images
265 slivers.append(sliver)
267 rspec_node['slivers'] = slivers
268 rspec_nodes.append(rspec_node)
272 def create_tenant(self, tenant_name):
273 tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
275 self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
276 tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
281 def create_instance_key(self, slice_hrn, user):
282 slice_name = Xrn(slice_hrn).leaf
283 user_name = Xrn(user['urn']).leaf
284 key_name = "%s_%s" % (slice_name, user_name)
285 pubkey = user['keys'][0]
287 existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
288 for existing_key in existing_keys:
289 if existing_key.public_key != pubkey:
290 self.driver.shell.nova_manager.keypairs.delete(existing_key)
291 elif existing_key.public_key == pubkey:
295 self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
299 def create_security_group(self, slicename, fw_rules=[]):
300 # use default group by default
301 group_name = 'default'
302 if isinstance(fw_rules, list) and fw_rules:
303 # Each sliver get's its own security group.
304 # Keep security group names unique by appending some random
306 random_name = "".join([random.choice(string.letters+string.digits)
308 group_name = slicename + random_name
309 security_group = SecurityGroup(self.driver)
310 security_group.create_security_group(group_name)
311 for rule in fw_rules:
312 security_group.add_rule_to_group(group_name,
313 protocol = rule.get('protocol'),
314 cidr_ip = rule.get('cidr_ip'),
315 port_range = rule.get('port_range'),
316 icmp_type_code = rule.get('icmp_type_code'))
319 def add_rule_to_security_group(self, group_name, **kwds):
320 security_group = SecurityGroup(self.driver)
321 security_group.add_rule_to_group(group_name=group_name,
322 protocol=kwds.get('protocol'),
323 cidr_ip =kwds.get('cidr_ip'),
324 icmp_type_code = kwds.get('icmp_type_code'))
328 def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
329 #logger.debug('Reserving an instance: image: %s, flavor: ' \
330 # '%s, key: %s, name: %s' % \
331 # (image_id, flavor_id, key_name, slicename))
333 # make sure a tenant exists for this slice
334 tenant = self.create_tenant(tenant_name)
336 # add the sfa admin user to this tenant and update our nova client connection
337 # to use these credentials for the rest of this session. This emsures that the instances
338 # we create will be assigned to the correct tenant.
339 sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
340 user_role = self.driver.shell.auth_manager.roles.find(name='user')
341 admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
342 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
343 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
344 self.driver.shell.nova_manager.connect(tenant=tenant.name)
346 authorized_keys = "\n".join(pubkeys)
347 files = {'/root/.ssh/authorized_keys': authorized_keys}
349 requested_instances = defaultdict(list)
350 # iterate over clouds/zones/nodes
351 for node in rspec.version.get_nodes_with_slivers():
352 instances = node.get('slivers', [])
355 for instance in instances:
358 flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
359 image = instance.get('disk_image')
360 if image and isinstance(image, list):
362 image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
363 fw_rules = instance.get('fw_rules', [])
364 group_name = self.create_security_group(instance_name, fw_rules)
365 metadata['security_groups'] = group_name
366 if node.get('component_id'):
367 metadata['component_id'] = node['component_id']
368 if node.get('client_id'):
369 metadata['client_id'] = node['client_id']
370 self.driver.shell.nova_manager.servers.create(flavor=flavor_id,
373 security_groups = [group_name],
377 except Exception, err:
382 def delete_instance(self, tenant_name, instance_name, id=None):
384 def _delete_security_group(instance):
385 security_group = instance.metadata.get('security_groups', '')
387 manager = SecurityGroup(self.driver)
388 timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete
389 start_time = time.time()
390 instance_deleted = False
391 while instance_deleted == False and (time.time() - start_time) < timeout:
392 inst = self.driver.shell.nova_manager.servers.findall(id=instance.id)
394 instance_deleted = True
396 manager.delete_security_group(security_group)
398 thread_manager = ThreadManager()
399 self.driver.shell.nova_manager.connect(tenant=tenant_name)
400 args = {'name': instance_name}
403 instances = self.driver.shell.nova_manager.servers.findall(**args)
404 security_group_manager = SecurityGroup(self.driver)
405 for instance in instances:
407 self.driver.shell.nova_manager.servers.delete(instance)
408 # deleate this instance's security groups
409 thread_manager.run(_delete_security_group, instance)
412 def stop_instances(self, instance_name, tenant_name, id=None):
413 self.driver.shell.nova_manager.connect(tenant=tenant_name)
414 args = {'name': instance_name}
417 instances = self.driver.shell.nova_manager.servers.findall(**args)
418 for instance in instances:
419 self.driver.shell.nova_manager.servers.pause(instance)
422 def start_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.resume(instance)
432 def restart_instances(self, instacne_name, tenant_name, id=None):
433 self.stop_instances(instance_name, tenant_name, id)
434 self.start_instances(instance_name, tenant_name, id)
437 def update_instances(self, project_name):