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 interface = Interface({'component_id': if_xrn.urn,
170 'client_id': if_client_id})
171 interface['ips'] = [{'address': private_ip['addr'],
172 #'netmask': private_ip['network'],
173 'type': private_ip['version']}]
174 rspec_node['interfaces'].append(interface)
176 # slivers always provide the ssh service
177 for public_ip in addresses.get('public', []):
178 login = Login({'authentication': 'ssh-keys',
179 'hostname': public_ip['addr'],
180 'port':'22', 'username': 'root'})
181 service = Services({'login': login})
182 rspec_node['services'].append(service)
186 def instance_to_sliver(self, instance, xrn=None):
188 xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
190 sliver = Sliver({'sliver_id': xrn.get_urn(),
191 'name': instance.name,
192 'type': instance.name,
193 'cpus': str(instance.vcpus),
194 'memory': str(instance.ram),
195 'storage': str(instance.disk)})
198 def instance_to_geni_sliver(self, instance):
199 op_status = "geni_unknown"
200 state = instance.state.lower()
201 if state == 'active':
202 op_status = 'geni_ready'
203 elif state == 'building':
204 op_status = 'geni_configuring'
205 elif state == 'failed':
206 op_status =' geni_failed'
208 urn = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
210 geni_sliver = {'geni_sliver_urn': urn,
211 'geni_expires': None,
212 'geni_allocation_status': 'geni_provisioned',
213 'geni_operational_status': op_status,
215 'plos_created_at': datetime_to_string(utcparse(instance.created)),
216 'plos_sliver_type': self.shell.nova_manager.flavors.find(id=instance.flavor['id']).name,
222 def get_aggregate_nodes(self):
223 zones = self.get_availability_zones()
224 # available sliver/instance/vm types
225 instances = self.driver.shell.nova_manager.flavors.list()
226 if isinstance(instances, dict):
227 instances = instances.values()
229 images = self.driver.shell.image_manager.get_images_detailed()
230 disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
234 xrn = OSXrn(zone, type='node')
235 rspec_node['component_id'] = xrn.urn
236 rspec_node['component_name'] = xrn.name
237 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
238 rspec_node['exclusive'] = 'false'
239 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
240 HardwareType({'name': 'pc'})]
242 for instance in instances:
243 sliver = self.instance_to_sliver(instance)
244 sliver['disk_image'] = disk_images
245 slivers.append(sliver)
247 rspec_node['slivers'] = slivers
248 rspec_nodes.append(rspec_node)
252 def create_tenant(self, tenant_name):
253 tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
255 self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
256 tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
261 def create_instance_key(self, slice_hrn, user):
262 slice_name = Xrn(slice_hrn).leaf
263 user_name = Xrn(user['urn']).leaf
264 key_name = "%s_%s" % (slice_name, user_name)
265 pubkey = user['keys'][0]
267 existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
268 for existing_key in existing_keys:
269 if existing_key.public_key != pubkey:
270 self.driver.shell.nova_manager.keypairs.delete(existing_key)
271 elif existing_key.public_key == pubkey:
275 self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
279 def create_security_group(self, slicename, fw_rules=[]):
280 # use default group by default
281 group_name = 'default'
282 if isinstance(fw_rules, list) and fw_rules:
283 # Each sliver get's its own security group.
284 # Keep security group names unique by appending some random
286 random_name = "".join([random.choice(string.letters+string.digits)
288 group_name = slicename + random_name
289 security_group = SecurityGroup(self.driver)
290 security_group.create_security_group(group_name)
291 for rule in fw_rules:
292 security_group.add_rule_to_group(group_name,
293 protocol = rule.get('protocol'),
294 cidr_ip = rule.get('cidr_ip'),
295 port_range = rule.get('port_range'),
296 icmp_type_code = rule.get('icmp_type_code'))
299 def add_rule_to_security_group(self, group_name, **kwds):
300 security_group = SecurityGroup(self.driver)
301 security_group.add_rule_to_group(group_name=group_name,
302 protocol=kwds.get('protocol'),
303 cidr_ip =kwds.get('cidr_ip'),
304 icmp_type_code = kwds.get('icmp_type_code'))
308 def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
309 #logger.debug('Reserving an instance: image: %s, flavor: ' \
310 # '%s, key: %s, name: %s' % \
311 # (image_id, flavor_id, key_name, slicename))
313 # make sure a tenant exists for this slice
314 tenant = self.create_tenant(tenant_name)
316 # add the sfa admin user to this tenant and update our nova client connection
317 # to use these credentials for the rest of this session. This emsures that the instances
318 # we create will be assigned to the correct tenant.
319 sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
320 user_role = self.driver.shell.auth_manager.roles.find(name='user')
321 admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
322 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
323 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
324 self.driver.shell.nova_manager.connect(tenant=tenant.name)
326 authorized_keys = "\n".join(pubkeys)
327 files = {'/root/.ssh/authorized_keys': authorized_keys}
329 requested_instances = defaultdict(list)
330 # iterate over clouds/zones/nodes
331 for node in rspec.version.get_nodes_with_slivers():
332 instances = node.get('slivers', [])
335 for instance in instances:
338 flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
339 image = instance.get('disk_image')
340 if image and isinstance(image, list):
342 image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
343 fw_rules = instance.get('fw_rules', [])
344 group_name = self.create_security_group(instance_name, fw_rules)
345 metadata['security_groups'] = group_name
346 if node.get('component_id'):
347 metadata['component_id'] = node['component_id']
348 if node.get('client_id'):
349 metadata['client_id'] = node['client_id']
350 self.driver.shell.nova_manager.servers.create(flavor=flavor_id,
353 security_groups = [group_name],
357 except Exception, err:
362 def delete_instance(self, tenant_name, instance_name, id=None):
364 def _delete_security_group(instance):
365 security_group = instance.metadata.get('security_groups', '')
367 manager = SecurityGroup(self.driver)
368 timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete
369 start_time = time.time()
370 instance_deleted = False
371 while instance_deleted == False and (time.time() - start_time) < timeout:
372 inst = self.driver.shell.nova_manager.servers.findall(id=instance.id)
374 instance_deleted = True
376 manager.delete_security_group(security_group)
378 thread_manager = ThreadManager()
379 self.driver.shell.nova_manager.connect(tenant=tenant_name)
380 args = {'name': instance_name}
383 instances = self.driver.shell.nova_manager.servers.findall(**args)
384 security_group_manager = SecurityGroup(self.driver)
385 for instance in instances:
387 self.driver.shell.nova_manager.servers.delete(instance)
388 # deleate this instance's security groups
389 thread_manager.run(_delete_security_group, instance)
392 def stop_instances(self, instance_name, tenant_name, id=None):
393 self.driver.shell.nova_manager.connect(tenant=tenant_name)
394 args = {'name': instance_name}
397 instances = self.driver.shell.nova_manager.servers.findall(**args)
398 for instance in instances:
399 self.driver.shell.nova_manager.servers.pause(instance)
402 def start_instances(self, instance_name, tenant_name, id=None):
403 self.driver.shell.nova_manager.connect(tenant=tenant_name)
404 args = {'name': instance_name}
407 instances = self.driver.shell.nova_manager.servers.findall(**args)
408 for instance in instances:
409 self.driver.shell.nova_manager.servers.resume(instance)
412 def restart_instances(self, instacne_name, tenant_name, id=None):
413 self.stop_instances(instance_name, tenant_name, id)
414 self.start_instances(instance_name, tenant_name, id)
417 def update_instances(self, project_name):