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')
104 if not node_xrn.urn in node_dict:
106 rspec_node['component_id'] = node_xrn.urn
107 rspec_node['component_name'] = node_xrn.name
108 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
109 rspec_node['slivers'] = []
110 node_dict[node_xrn.urn] = rspec_node
112 rspec_node = node_dict[node_xrn.urn]
114 if instance.metadata.get('client_id'):
115 rspec_node['client_id'] = instance.metadata.get('client_id')
117 flavor = self.driver.shell.nova_manager.flavors.find(id=instance.flavor['id'])
118 sliver = instance_to_sliver(flavor)
119 rspec_node['slivers'].append(sliver)
120 image = self.driver.shell.image_manager.get_images(id=instance.image['id'])
121 if isinstance(image, list) and len(image) > 0:
123 disk_image = image_to_rspec_disk_image(image)
124 sliver['disk_image'] = [disk_image]
127 rspec_node['services'] = []
128 rspec_node['interfaces'] = []
129 addresses = instance.addresses
130 # HACK: public ips are stored in the list of private, but
131 # this seems wrong. Assume pub ip is the last in the list of
132 # private ips until openstack bug is fixed.
133 if addresses.get('private'):
134 login = Login({'authentication': 'ssh-keys',
135 'hostname': addresses.get('private')[-1]['addr'],
136 'port':'22', 'username': 'root'})
137 service = Services({'login': login})
138 rspec_node['services'].append(service)
140 for private_ip in addresses.get('private', []):
141 if_xrn = PlXrn(auth=self.driver.hrn,
142 interface='node%s:eth0' % (instance.hostId))
143 interface = Interface({'component_id': if_xrn.urn})
144 interface['ips'] = [{'address': private_ip['addr'],
145 #'netmask': private_ip['network'],
146 'type': private_ip['version']}]
147 rspec_node['interfaces'].append(interface)
149 # slivers always provide the ssh service
150 for public_ip in addresses.get('public', []):
151 login = Login({'authentication': 'ssh-keys',
152 'hostname': public_ip['addr'],
153 'port':'22', 'username': 'root'})
154 service = Services({'login': login})
155 rspec_node['services'].append(service)
156 rspec_nodes.append(rspec_node)
157 return node_dict.values()
159 def get_aggregate_nodes(self):
160 zones = self.get_availability_zones()
161 # available sliver/instance/vm types
162 instances = self.driver.shell.nova_manager.flavors.list()
163 if isinstance(instances, dict):
164 instances = instances.values()
166 images = self.driver.shell.image_manager.get_images_detailed()
167 disk_images = [image_to_rspec_disk_image(img) for img in images if img['container_format'] in ['ami', 'ovf']]
171 xrn = OSXrn(zone, type='node')
172 rspec_node['component_id'] = xrn.urn
173 rspec_node['component_name'] = xrn.name
174 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
175 rspec_node['exclusive'] = 'false'
176 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
177 HardwareType({'name': 'pc'})]
179 for instance in instances:
180 sliver = instance_to_sliver(instance)
181 sliver['disk_image'] = disk_images
182 slivers.append(sliver)
184 rspec_node['slivers'] = slivers
185 rspec_nodes.append(rspec_node)
190 def create_tenant(self, tenant_name):
191 tenants = self.driver.shell.auth_manager.tenants.findall(name=tenant_name)
193 self.driver.shell.auth_manager.tenants.create(tenant_name, tenant_name)
194 tenant = self.driver.shell.auth_manager.tenants.find(name=tenant_name)
200 def create_instance_key(self, slice_hrn, user):
201 slice_name = Xrn(slice_hrn).leaf
202 user_name = Xrn(user['urn']).leaf
203 key_name = "%s_%s" % (slice_name, user_name)
204 pubkey = user['keys'][0]
206 existing_keys = self.driver.shell.nova_manager.keypairs.findall(name=key_name)
207 for existing_key in existing_keys:
208 if existing_key.public_key != pubkey:
209 self.driver.shell.nova_manager.keypairs.delete(existing_key)
210 elif existing_key.public_key == pubkey:
214 self.driver.shell.nova_manager.keypairs.create(key_name, pubkey)
218 def create_security_group(self, slicename, fw_rules=[]):
219 # use default group by default
220 group_name = 'default'
221 if isinstance(fw_rules, list) and fw_rules:
222 # Each sliver get's its own security group.
223 # Keep security group names unique by appending some random
225 random_name = "".join([random.choice(string.letters+string.digits)
227 group_name = slicename + random_name
228 security_group = SecurityGroup(self.driver)
229 security_group.create_security_group(group_name)
230 for rule in fw_rules:
231 security_group.add_rule_to_group(group_name,
232 protocol = rule.get('protocol'),
233 cidr_ip = rule.get('cidr_ip'),
234 port_range = rule.get('port_range'),
235 icmp_type_code = rule.get('icmp_type_code'))
238 def add_rule_to_security_group(self, group_name, **kwds):
239 security_group = SecurityGroup(self.driver)
240 security_group.add_rule_to_group(group_name=group_name,
241 protocol=kwds.get('protocol'),
242 cidr_ip =kwds.get('cidr_ip'),
243 icmp_type_code = kwds.get('icmp_type_code'))
247 def run_instances(self, instance_name, tenant_name, rspec, key_name, pubkeys):
248 #logger.debug('Reserving an instance: image: %s, flavor: ' \
249 # '%s, key: %s, name: %s' % \
250 # (image_id, flavor_id, key_name, slicename))
252 # make sure a tenant exists for this slice
253 tenant = self.create_tenant(tenant_name)
255 # add the sfa admin user to this tenant and update our nova client connection
256 # to use these credentials for the rest of this session. This emsures that the instances
257 # we create will be assigned to the correct tenant.
258 sfa_admin_user = self.driver.shell.auth_manager.users.find(name=self.driver.shell.auth_manager.opts['OS_USERNAME'])
259 user_role = self.driver.shell.auth_manager.roles.find(name='user')
260 admin_role = self.driver.shell.auth_manager.roles.find(name='admin')
261 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, admin_role, tenant)
262 self.driver.shell.auth_manager.roles.add_user_role(sfa_admin_user, user_role, tenant)
263 self.driver.shell.nova_manager.connect(tenant=tenant.name)
265 authorized_keys = "\n".join(pubkeys)
266 files = {'/root/.ssh/authorized_keys': authorized_keys}
268 requested_instances = defaultdict(list)
269 # iterate over clouds/zones/nodes
270 for node in rspec.version.get_nodes_with_slivers():
271 instances = node.get('slivers', [])
274 for instance in instances:
277 flavor_id = self.driver.shell.nova_manager.flavors.find(name=instance['name'])
278 image = instance.get('disk_image')
279 if image and isinstance(image, list):
281 image_id = self.driver.shell.nova_manager.images.find(name=image['name'])
282 fw_rules = instance.get('fw_rules', [])
283 group_name = self.create_security_group(instance_name, fw_rules)
284 metadata['security_groups'] = group_name
285 if node.get('component_id'):
286 metadata['component_id'] = node['component_id']
287 if node.get('client_id'):
288 metadata['client_id'] = node['client_id']
289 self.driver.shell.nova_manager.servers.create(flavor=flavor_id,
292 security_groups = [group_name],
296 except Exception, err:
301 def delete_instances(self, instance_name, tenant_name):
303 def _delete_security_group(instance):
304 security_group = instance.metadata.get('security_groups', '')
306 manager = SecurityGroup(self.driver)
307 timeout = 10.0 # wait a maximum of 10 seconds before forcing the security group delete
308 start_time = time.time()
309 instance_deleted = False
310 while instance_deleted == False and (time.time() - start_time) < timeout:
311 inst = self.driver.shell.nova_manager.servers.findall(id=instance.id)
313 instance_deleted = True
315 manager.delete_security_group(security_group)
317 thread_manager = ThreadManager()
318 self.driver.shell.nova_manager.connect(tenant=tenant_name)
319 instances = self.driver.shell.nova_manager.servers.findall(name=instance_name)
320 for instance in instances:
322 self.driver.shell.nova_manager.servers.delete(instance)
323 # deleate this instance's security groups
324 thread_manager.run(_delete_security_group, instance)
328 def stop_instances(self, instance_name, tenant_name):
329 self.driver.shell.nova_manager.connect(tenant=tenant_name)
330 instances = self.driver.shell.nova_manager.servers.findall(name=instance_name)
331 for instance in instances:
332 self.driver.shell.nova_manager.servers.pause(instance)
335 def update_instances(self, project_name):