7 from collections import defaultdict
8 from nova.exception import ImageNotFound
9 from nova.api.ec2.cloud import CloudController
10 from sfa.util.faults import SfaAPIError, SliverDoesNotExist
11 from sfa.util.sfatime import utcparse, datetime_to_string, datetime_to_epoch
12 from sfa.rspecs.rspec import RSpec
13 from sfa.rspecs.elements.hardware_type import HardwareType
14 from sfa.rspecs.elements.node import Node
15 from sfa.rspecs.elements.sliver import Sliver
16 from sfa.rspecs.elements.login import Login
17 from sfa.rspecs.elements.disk_image import DiskImage
18 from sfa.rspecs.elements.services import Services
19 from sfa.rspecs.elements.interface import Interface
20 from sfa.util.xrn import Xrn
21 from sfa.planetlab.plxrn import PlXrn
22 from sfa.openstack.osxrn import OSXrn, hrn_to_os_slicename
23 from sfa.rspecs.version_manager import VersionManager
24 from sfa.openstack.security_group import SecurityGroup
25 from sfa.util.sfalogging import logger
27 def pubkeys_to_user_data(pubkeys):
28 user_data = "#!/bin/bash\n\n"
29 for pubkey in pubkeys:
30 pubkey = pubkey.replace('\n', '')
31 user_data += "echo %s >> /root/.ssh/authorized_keys" % pubkey
33 user_data += "echo >> /root/.ssh/authorized_keys"
37 def instance_to_sliver(instance, xrn=None):
40 sliver_xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
42 sliver = Sliver({'slice_id': sliver_urn,
43 'name': instance.name,
44 'type': instance.name,
45 'cpus': str(instance.vcpus),
46 'memory': str(instance.ram),
47 'storage': str(instance.disk)})
50 def image_to_rspec_disk_image(image):
52 img['name'] = image['name']
53 img['description'] = image['name']
54 img['os'] = image['name']
55 img['version'] = image['name']
60 def __init__(self, driver):
63 def get_availability_zones(self):
64 zones = self.driver.shell.nova_manager.dns_domains.domains()
68 zones = [zone.name for zone in zones]
72 def list_resources(self, version=None, options={}):
73 version_manager = VersionManager()
74 version = version_manager.get_version(version)
75 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
76 rspec = RSpec(version=version, user_options=options)
77 nodes = self.get_aggregate_nodes()
78 rspec.version.add_nodes(nodes)
81 def describe(self, urns, version=None, options={}):
82 # update nova connection
83 tenant_name = OSXrn(xrn=urns[0], type='slice').get_tenant_name()
84 self.driver.shell.nova_manager.connect(tenant=tenant_name)
85 instances = self.get_instances(urns)
86 if len(instances) == 0:
87 raise SliverDoesNotExist("You have not allocated any slivers here")
91 for instance in instances:
92 rspec_nodes.append(self.instance_to_rspec_node(instance))
93 geni_slivers.append(self.instance_to_geni_sliver(instance))
94 version_manager = VersionManager()
95 version = version_manager.get_version(version)
96 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
97 rspec = RSpec(version=version, user_options=options)
98 rspec.version.add_nodes(rspec_nodes)
99 result = {'geni_urn': '',
100 'geni_rspec': rspec.toxml(),
101 'geni_slivers': geni_slivers}
105 def get_instances(self, urns):
106 # parse slice names and sliver ids
111 names.add(xrn.get_slice_name())
118 servers = self.driver.shell.nova_manager.servers.findall(name=name)
119 instances.extend(servers)
123 instances = [server in servers if server.id in ids]
127 def instance_to_rspec_node(self, instance):
129 node_xrn = instance.metadata.get('component_id')
131 node_xrn = OSXrn('cloud', type='node')
133 node_xrn = OSXrn(xrn=node_xrn, type='node')
135 if not node_xrn.urn in node_dict:
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['slivers'] = []
141 node_dict[node_xrn.urn] = rspec_node
143 rspec_node = node_dict[node_xrn.urn]
145 flavor = self.driver.shell.nova_manager.flavors.find(id=instance.flavor['id'])
146 sliver = self.instance_to_sliver(flavor)
147 rspec_node['slivers'].append(sliver)
148 image = self.driver.shell.image_manager.get_images(id=instance.image['id'])
149 if isinstance(image, list) and len(image) > 0:
151 disk_image = image_to_rspec_disk_image(image)
152 sliver['disk_image'] = [disk_image]
155 rspec_node['services'] = []
156 rspec_node['interfaces'] = []
157 addresses = instance.addresses
158 # HACK: public ips are stored in the list of private, but
159 # this seems wrong. Assume pub ip is the last in the list of
160 # private ips until openstack bug is fixed.
161 if addresses.get('private'):
162 login = Login({'authentication': 'ssh-keys',
163 'hostname': addresses.get('private')[-1]['addr'],
164 'port':'22', 'username': 'root'})
165 service = Services({'login': login})
166 rspec_node['services'].append(service)
168 for private_ip in addresses.get('private', []):
169 if_xrn = PlXrn(auth=self.driver.hrn,
170 interface='node%s:eth0' % (instance.hostId))
171 interface = Interface({'component_id': if_xrn.urn})
172 interface['ips'] = [{'address': private_ip['addr'],
173 #'netmask': private_ip['network'],
174 'type': private_ip['version']}]
175 rspec_node['interfaces'].append(interface)
177 # slivers always provide the ssh service
178 for public_ip in addresses.get('public', []):
179 login = Login({'authentication': 'ssh-keys',
180 'hostname': public_ip['addr'],
181 'port':'22', 'username': 'root'})
182 service = Services({'login': login})
183 rspec_node['services'].append(service)
187 def instance_to_sliver(self, instance, xrn=None):
189 xrn = Xrn(xrn=slice_xrn, type='slice', id=instance.id).get_urn()
191 sliver = Sliver({'slice_id': xrn.get_urn(),
192 'name': instance.name,
193 'type': instance.name,
194 'cpus': str(instance.vcpus),
195 'memory': str(instance.ram),
196 'storage': str(instance.disk)})
199 def instance_to_geni_sliver(self, instance):
200 op_status = "geni_unknown"
201 state = instance.state.lower()
202 if state == 'active':
203 op_status = 'geni_ready'
204 elif state == 'building':
205 op_status = 'geni_configuring'
206 elif state == 'failed':
207 op_status =' geni_failed'
209 urn = OSXrn(name=instance.name, type='slice', id=instance.id).get_urn()
211 geni_sliver = {'geni_sliver_urn': urn,
212 'geni_expires': None,
213 'geni_allocation_status': 'geni_provisioned',
214 'geni_operational_status': op_status,
216 'plos_created_at': datetime_to_string(utcparse(instance.created)),
217 'plos_sliver_type': self.shell.nova_manager.flavors.find(id=instance.flavor['id']).name,
223 def get_aggregate_nodes(self):
224 zones = self.get_availability_zones()
225 # available sliver/instance/vm types
226 instances = self.driver.shell.nova_manager.flavors.list()
227 if isinstance(instances, dict):
228 instances = instances.values()
230 images = self.driver.shell.image_manager.get_images_detailed()
231 disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
235 xrn = OSXrn(zone, type='node')
236 rspec_node['component_id'] = xrn.urn
237 rspec_node['component_name'] = xrn.name
238 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
239 rspec_node['exclusive'] = 'false'
240 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
241 HardwareType({'name': 'pc'})]
243 for instance in instances:
244 sliver = self.instance_to_sliver(instance)
245 sliver['disk_image'] = disk_images
246 slivers.append(sliver)
248 rspec_node['slivers'] = slivers
249 rspec_nodes.append(rspec_node)
253 def create_tenant(self, tenant_name):
254 tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
256 self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
257 tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
262 def create_instance_key(self, slice_hrn, user):
263 slice_name = Xrn(slice_hrn).leaf
264 user_name = Xrn(user['urn']).leaf
265 key_name = "%s_%s" % (slice_name, user_name)
266 pubkey = user['keys'][0]
268 existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
269 for existing_key in existing_keys:
270 if existing_key.public_key != pubkey:
271 self.driver.shell.nova_manager.keypairs.delete(existing_key)
272 elif existing_key.public_key == pubkey:
276 self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
280 def create_security_group(self, slicename, fw_rules=[]):
281 # use default group by default
282 group_name = 'default'
283 if isinstance(fw_rules, list) and fw_rules:
284 # Each sliver get's its own security group.
285 # Keep security group names unique by appending some random
287 random_name = "".join([random.choice(string.letters+string.digits)
289 group_name = slicename + random_name
290 security_group = SecurityGroup(self.driver)
291 security_group.create_security_group(group_name)
292 for rule in fw_rules:
293 security_group.add_rule_to_group(group_name,
294 protocol = rule.get('protocol'),
295 cidr_ip = rule.get('cidr_ip'),
296 port_range = rule.get('port_range'),
297 icmp_type_code = rule.get('icmp_type_code'))
300 def add_rule_to_security_group(self, group_name, **kwds):
301 security_group = SecurityGroup(self.driver)
302 security_group.add_rule_to_group(group_name=group_name,
303 protocol=kwds.get('protocol'),
304 cidr_ip =kwds.get('cidr_ip'),
305 icmp_type_code = kwds.get('icmp_type_code'))
309 def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
310 #logger.debug('Reserving an instance: image: %s, flavor: ' \
311 # '%s, key: %s, name: %s' % \
312 # (image_id, flavor_id, key_name, slicename))
314 # make sure a tenant exists for this slice
315 tenant = self.create_tenant(tenant_name)
317 # add the sfa admin user to this tenant and update our nova client connection
318 # to use these credentials for the rest of this session. This emsures that the instances
319 # we create will be assigned to the correct tenant.
320 sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
321 user_role = self.driver.shell.auth_manager.roles.find(name='user')
322 admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
323 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
324 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
325 self.driver.shell.nova_manager.connect(tenant=tenant.name)
327 authorized_keys = "\n".join(pubkeys)
328 files = {'/root/.ssh/authorized_keys': authorized_keys}
330 requested_instances = defaultdict(list)
331 # iterate over clouds/zones/nodes
332 for node in rspec.version.get_nodes_with_slivers():
333 instances = node.get('slivers', [])
336 for instance in instances:
339 flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
340 image = instance.get('disk_image')
341 if image and isinstance(image, list):
343 image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
344 fw_rules = instance.get('fw_rules', [])
345 group_name = self.create_security_group(instance_name, fw_rules)
346 metadata['security_groups'] = group_name
347 if node.get('component_id'):
348 metadata['component_id'] = node['component_id']
349 self.driver.shell.nova_manager.servers.create(flavor=flavor_id,
352 security_groups = [group_name],
356 except Exception, err:
361 def delete_instances(self, instance_name, tenant_name):
362 self.driver.shell.nova_manager.connect(tenant=tenant_name)
363 instances = self.driver.shell.nova_manager.servers.findall(name=instance_name)
364 security_group_manager = SecurityGroup(self.driver)
365 for instance in instances:
366 # deleate this instance's security groups
367 security_group = instance.metadata.get('security_groups', '')
369 # dont delete the default security group
370 if security_group != 'default':
371 security_group_manager.delete_security_group(security_group)
373 self.driver.shell.nova_manager.servers.delete(instance)
376 def stop_instances(self, instance_name, tenant_name):
377 self.driver.shell.nova_manager.connect(tenant=tenant_name)
378 instances = self.driver.shell.nova_manager.servers.findall(name=instance_name)
379 for instance in instances:
380 self.driver.shell.nova_manager.servers.pause(instance)
383 def update_instances(self, project_name):