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
11 from sfa.rspecs.rspec import RSpec
12 from sfa.rspecs.elements.hardware_type import HardwareType
13 from sfa.rspecs.elements.node import Node
14 from sfa.rspecs.elements.sliver import Sliver
15 from sfa.rspecs.elements.login import Login
16 from sfa.rspecs.elements.disk_image import DiskImage
17 from sfa.rspecs.elements.services import Services
18 from sfa.rspecs.elements.interface import Interface
19 from sfa.util.xrn import Xrn
20 from sfa.planetlab.plxrn import PlXrn
21 from sfa.openstack.osxrn import OSXrn, hrn_to_os_slicename
22 from sfa.rspecs.version_manager import VersionManager
23 from sfa.openstack.security_group import SecurityGroup
24 from sfa.server.threadmanager import ThreadManager
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, slice_xrn=None):
40 xrn = Xrn(slice_xrn, 'slice')
41 sliver_id = xrn.get_sliver_id(instance.project_id, instance.hostname, instance.id)
43 sliver = Sliver({'slice_id': sliver_id,
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_rspec(self, slice_xrn=None, version=None, options={}):
65 version_manager = VersionManager()
66 version = version_manager.get_version(version)
68 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
69 nodes = self.get_aggregate_nodes()
71 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
72 nodes = self.get_slice_nodes(slice_xrn)
73 rspec = RSpec(version=rspec_version, user_options=options)
74 rspec.version.add_nodes(nodes)
77 def get_availability_zones(self):
79 zones = self.driver.shell.nova_manager.dns_domains.domains()
84 zones = [zone.name for zone in zones]
87 def get_slice_nodes(self, slice_xrn):
88 # update nova connection
89 tenant_name = OSXrn(xrn=slice_xrn, type='slice').get_tenant_name()
90 self.driver.shell.nova_manager.connect(tenant=tenant_name)
92 zones = self.get_availability_zones()
93 name = hrn_to_os_slicename(slice_xrn)
94 instances = self.driver.shell.nova_manager.servers.findall(name=name)
96 for instance in instances:
98 node_xrn = instance.metadata.get('component_id')
100 node_xrn = OSXrn('cloud', type='node')
102 node_xrn = OSXrn(xrn=node_xrn, type='node')
105 rspec_node['component_id'] = node_xrn.urn
106 rspec_node['component_name'] = node_xrn.name
107 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
108 rspec_node['slivers'] = []
110 if instance.metadata.get('client_id'):
111 rspec_node['client_id'] = instance.metadata.get('client_id')
113 flavor = self.driver.shell.nova_manager.flavors.find(id=instance.flavor['id'])
114 sliver = instance_to_sliver(flavor)
115 rspec_node['slivers'].append(sliver)
116 sliver_xrn = OSXrn(xrn=slice_xrn, type='slice', id=instance.id)
117 rspec_node['sliver_id'] = sliver_xrn.get_urn()
118 image = self.driver.shell.image_manager.get_images(id=instance.image['id'])
119 if isinstance(image, list) and len(image) > 0:
121 disk_image = image_to_rspec_disk_image(image)
122 sliver['disk_image'] = [disk_image]
125 rspec_node['services'] = []
126 rspec_node['interfaces'] = []
127 addresses = instance.addresses
128 # HACK: public ips are stored in the list of private, but
129 # this seems wrong. Assume pub ip is the last in the list of
130 # private ips until openstack bug is fixed.
131 if addresses.get('private'):
132 login = Login({'authentication': 'ssh-keys',
133 'hostname': addresses.get('private')[-1]['addr'],
134 'port':'22', 'username': 'root'})
135 service = Services({'login': login})
136 rspec_node['services'].append(service)
138 for private_ip in addresses.get('private', []):
139 if_xrn = PlXrn(auth=self.driver.hrn,
140 interface='node%s:eth0' % (instance.hostId))
141 interface = Interface({'component_id': if_xrn.urn})
142 interface['ips'] = [{'address': private_ip['addr'],
143 #'netmask': private_ip['network'],
144 'type': 'ipv%s' % str(private_ip['version'])}]
145 rspec_node['interfaces'].append(interface)
147 # slivers always provide the ssh service
148 for public_ip in addresses.get('public', []):
149 login = Login({'authentication': 'ssh-keys',
150 'hostname': public_ip['addr'],
151 'port':'22', 'username': 'root'})
152 service = Services({'login': login})
153 rspec_node['services'].append(service)
154 rspec_nodes.append(rspec_node)
157 def get_aggregate_nodes(self):
158 zones = self.get_availability_zones()
159 # available sliver/instance/vm types
160 instances = self.driver.shell.nova_manager.flavors.list()
161 if isinstance(instances, dict):
162 instances = instances.values()
164 images = self.driver.shell.image_manager.get_images_detailed()
165 disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
169 xrn = OSXrn(zone, type='node')
170 rspec_node['component_id'] = xrn.urn
171 rspec_node['component_name'] = xrn.name
172 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
173 rspec_node['exclusive'] = 'false'
174 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
175 HardwareType({'name': 'pc'})]
177 for instance in instances:
178 sliver = instance_to_sliver(instance)
179 sliver['disk_image'] = disk_images
180 slivers.append(sliver)
182 rspec_node['slivers'] = slivers
183 rspec_nodes.append(rspec_node)
188 def create_tenant(self, tenant_name):
189 tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
191 self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
192 tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
198 def create_instance_key(self, slice_hrn, user):
199 slice_name = Xrn(slice_hrn).leaf
200 user_name = Xrn(user['urn']).leaf
201 key_name = "%s_%s" % (slice_name, user_name)
202 pubkey = user['keys'][0]
204 existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
205 for existing_key in existing_keys:
206 if existing_key.public_key != pubkey:
207 self.driver.shell.nova_manager.keypairs.delete(existing_key)
208 elif existing_key.public_key == pubkey:
212 self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
216 def create_security_group(self, slicename, fw_rules=[]):
217 # use default group by default
218 group_name = 'default'
219 if isinstance(fw_rules, list) and fw_rules:
220 # Each sliver get's its own security group.
221 # Keep security group names unique by appending some random
223 random_name = "".join([random.choice(string.letters+string.digits)
225 group_name = slicename + random_name
226 security_group = SecurityGroup(self.driver)
227 security_group.create_security_group(group_name)
228 for rule in fw_rules:
229 security_group.add_rule_to_group(group_name,
230 protocol = rule.get('protocol'),
231 cidr_ip = rule.get('cidr_ip'),
232 port_range = rule.get('port_range'),
233 icmp_type_code = rule.get('icmp_type_code'))
236 def add_rule_to_security_group(self, group_name, **kwds):
237 security_group = SecurityGroup(self.driver)
238 security_group.add_rule_to_group(group_name=group_name,
239 protocol=kwds.get('protocol'),
240 cidr_ip =kwds.get('cidr_ip'),
241 icmp_type_code = kwds.get('icmp_type_code'))
245 def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
246 #logger.debug('Reserving an instance: image: %s, flavor: ' \
247 # '%s, key: %s, name: %s' % \
248 # (image_id, flavor_id, key_name, slicename))
250 # make sure a tenant exists for this slice
251 tenant = self.create_tenant(tenant_name)
253 # add the sfa admin user to this tenant and update our nova client connection
254 # to use these credentials for the rest of this session. This emsures that the instances
255 # we create will be assigned to the correct tenant.
256 sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
257 user_role = self.driver.shell.auth_manager.roles.find(name='user')
258 admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
259 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
260 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
261 self.driver.shell.nova_manager.connect(tenant=tenant.name)
263 authorized_keys = "\n".join(pubkeys)
264 files = {'/root/.ssh/authorized_keys': authorized_keys}
266 requested_instances = defaultdict(list)
267 # iterate over clouds/zones/nodes
268 for node in rspec.version.get_nodes_with_slivers():
269 instances = node.get('slivers', [])
272 for instance in instances:
275 flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
276 image = instance.get('disk_image')
277 if image and isinstance(image, list):
279 image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
280 fw_rules = instance.get('fw_rules', [])
281 group_name = self.create_security_group(instance_name, fw_rules)
282 metadata['security_groups'] = group_name
283 if node.get('component_id'):
284 metadata['component_id'] = node['component_id']
285 if node.get('client_id'):
286 metadata['client_id'] = node['client_id']
287 self.driver.shell.nova_manager.servers.create(flavor=flavor_id,
290 security_groups = [group_name],
294 except Exception, err:
299 def delete_instances(self, instance_name, tenant_name):
301 def _delete_security_group(instance):
302 security_group = instance.metadata.get('security_groups', '')
304 manager = SecurityGroup(self.driver)
305 timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete
306 start_time = time.time()
307 instance_deleted = False
308 while instance_deleted == False and (time.time() - start_time) < timeout:
309 inst = self.driver.shell.nova_manager.servers.findall(id=instance.id)
311 instance_deleted = True
313 manager.delete_security_group(security_group)
315 thread_manager = ThreadManager()
316 self.driver.shell.nova_manager.connect(tenant=tenant_name)
317 instances = self.driver.shell.nova_manager.servers.findall(name=instance_name)
318 for instance in instances:
320 self.driver.shell.nova_manager.servers.delete(instance)
321 # deleate this instance's security groups
322 thread_manager.run(_delete_security_group, instance)
326 def stop_instances(self, instance_name, tenant_name):
327 self.driver.shell.nova_manager.connect(tenant=tenant_name)
328 instances = self.driver.shell.nova_manager.servers.findall(name=instance_name)
329 for instance in instances:
330 self.driver.shell.nova_manager.servers.pause(instance)
333 def update_instances(self, project_name):