2 from sfa.util.faults import SfaAPIError
3 from sfa.rspecs.rspec import RSpec
4 from sfa.rspecs.elements.hardware_type import HardwareType
5 from sfa.rspecs.elements.node import Node
6 from sfa.rspecs.elements.sliver import Sliver
7 from sfa.rspecs.elements.login import Login
8 from sfa.rspecs.elements.disk_image import DiskImage
9 from sfa.rspecs.elements.services import Services
10 from sfa.util.xrn import Xrn
11 from sfa.util.osxrn import OSXrn
12 from sfa.rspecs.version_manager import VersionManager
16 def __init__(self, driver):
19 def instance_to_sliver(self, instance, slice_xrn=None):
21 # * instance.image_ref
22 # * instance.kernel_id
23 # * instance.ramdisk_id
24 import nova.db.sqlalchemy.models
28 if isinstance(instance, dict):
29 # this is an isntance type dict
30 name = instance['name']
31 type = instance['name']
32 elif isinstance(instance, nova.db.sqlalchemy.models.Instance):
33 # this is an object that describes a running instance
34 name = instance.display_name
35 type = instance.instance_type.name
37 raise SfaAPIError("instnace must be an instance_type dict or" + \
38 " a nova.db.sqlalchemy.models.Instance object")
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,
45 'type': 'plos-' + type,
49 def get_rspec(self, slice_xrn=None, version=None, options={}):
50 version_manager = VersionManager()
51 version = version_manager.get_version(version)
53 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
54 nodes = self.get_aggregate_nodes()
56 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
57 nodes = self.get_slice_nodes(slice_xrn)
58 rspec = RSpec(version=rspec_version, user_options=options)
59 rspec.version.add_nodes(nodes)
62 def get_slice_nodes(self, slice_xrn):
63 name = OSXrn(xrn = slice_xrn).name
64 instances = self.driver.shell.db.instance_get_all_by_project(name)
66 for instance in instances:
68 xrn = OSXrn(instance.hostname, 'node')
69 rspec_node['component_id'] = xrn.urn
70 rspec_node['component_name'] = xrn.name
71 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
72 sliver = self.instance_to_sliver(instance)
73 rspec_node['slivers'] = [sliver]
74 rspec_nodes.append(rspec_node)
77 def get_aggregate_nodes(self):
79 zones = self.driver.shell.db.zone_get_all()
83 zones = [zone.name for zone in zones]
85 # available sliver/instance/vm types
86 instances = self.driver.shell.db.instance_type_get_all().values()
88 images = self.driver.shell.image_manager.detail()
91 if image['container_format'] == 'ami':
93 img['name'] = image['name']
94 img['description'] = image['name']
95 img['os'] = image['name']
96 img['version'] = image['name']
97 disk_images.append(img)
102 xrn = OSXrn(zone, 'node')
103 rspec_node['component_id'] = xrn.urn
104 rspec_node['component_name'] = xrn.name
105 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
106 rspec_node['exclusive'] = 'false'
107 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
108 HardwareType({'name': 'pc'})]
110 for instance in instances:
111 sliver = self.instance_to_sliver(instance)
112 sliver['disk_images'] = disk_images
113 slivers.append(sliver)
115 rspec_node['slivers'] = slivers
116 rspec_nodes.append(rspec_node)
121 def verify_slice(self, slicename, users, options={}):
123 Create the slice if it doesn't alredy exist
125 import nova.exception.ProjectNotFound
127 slice = self.driver.shell.auth_manager.get_project(slicename)
128 except nova.exception.ProjectNotFound:
129 # convert urns to user names
130 usernames = [Xrn(user['urn']).get_leaf() for user in users]
131 # assume that the first user is the project manager
132 proj_manager = usernames[0]
133 self.driver.shell.auth_manager.create_project(slicename, proj_manager)
135 def verify_slice_users(self, slicename, users, options={}):
137 Add requested users to the specified slice.
140 # There doesn't seem to be an effcient way to
141 # look up all the users of a project, so lets not
142 # attempt to remove stale users . For now lets just
143 # ensure that the specified users exist
145 username = Xrn(user['urn']).get_leaf()
147 self.driver.shell.auth_manager.get_user(username)
148 except nova.exception.UserNotFound:
149 self.driver.shell.auth_manager.create_user(username)
150 self.verify_user_keys(username, user['keys'], options)
152 def verify_user_keys(self, username, keys, options={}):
156 append = options.get('append', True)
157 existing_keys = self.driver.shell.db.key_pair_get_all_by_user(username)
158 existing_pub_keys = [key.public_key for key in existing_keys]
159 removed_pub_keys = set(existing_pub_keys).difference(keys)
160 added_pub_keys = set(keys).difference(existing_pub_keys)
163 for public_key in added_pub_keys:
165 key['user_id'] = username
166 key['name'] = username
167 key['public'] = public_key
168 self.driver.shell.db.key_pair_create(key)
172 for key in existing_keys:
173 if key.public_key in removed_pub_keys:
174 self.driver.shell.db.key_pair_destroy(username, key.name)
176 def verify_instances(self, slicename, rspec):
178 nodes = rspec.version.get_nodes_with_slivers()
179 old_instances = self.driver.shell.db.instance_get_all_by_project(name)
181 for slivers in node.get('slivers', []):