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.services import Services
9 from sfa.util.xrn import Xrn
10 from sfa.util.osxrn import OSXrn
11 from sfa.rspecs.version_manager import VersionManager
15 def __init__(self, driver):
18 def instance_to_sliver(self, instance, slice_xrn=None):
20 # * instance.image_ref
21 # * instance.kernel_id
22 # * instance.ramdisk_id
23 import nova.db.sqlalchemy.models
27 if isinstance(instance, dict):
28 # this is an isntance type dict
29 name = instance['name']
30 type = instance['name']
31 elif isinstance(instance, nova.db.sqlalchemy.models.Instance):
32 # this is an object that describes a running instance
33 name = instance.display_name
34 type = instance.instance_type.name
36 raise SfaAPIError("instnace must be an instance_type dict or" + \
37 " a nova.db.sqlalchemy.models.Instance object")
39 xrn = Xrn(slice_xrn, 'slice')
40 sliver_id = xrn.get_sliver_id(instance.project_id, instance.hostname, instance.id)
42 sliver = Sliver({'slice_id': sliver_id,
44 'type': 'plos-' + type,
48 def get_rspec(self, slice_xrn=None, version=None, options={}):
49 version_manager = VersionManager()
50 version = version_manager.get_version(version)
52 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
53 nodes = self.get_aggregate_nodes()
55 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
56 nodes = self.get_slice_nodes(slice_xrn)
57 rspec = RSpec(version=rspec_version, user_options=options)
58 rspec.version.add_nodes(nodes)
61 def get_slice_nodes(self, slice_xrn):
62 name = OSXrn(xrn = slice_xrn).name
63 instances = self.driver.shell.db.instance_get_all_by_project(name)
65 for instance in instances:
67 xrn = OSXrn(instance.hostname, 'node')
68 rspec_node['component_id'] = xrn.urn
69 rspec_node['component_name'] = xrn.name
70 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
71 sliver = self.instance_to_sliver(instance)
72 rspec_node['slivers'] = [sliver]
73 rspec_nodes.append(rspec_node)
76 def get_aggregate_nodes(self):
78 zones = self.driver.shell.db.zone_get_all()
82 zones = [zone.name for zone in zones]
84 # available sliver/instance/vm types
85 instances = self.driver.shell.db.instance_type_get_all().values()
87 images = self.driver.shell.glance_manager.detail()
90 if image.container_format == 'ami':
92 img['name'] = img.name
93 img['description'] = img.name
95 img['version'] = img.name
96 disk_images.append(img)
101 xrn = OSXrn(zone, 'node')
102 rspec_node['component_id'] = xrn.urn
103 rspec_node['component_name'] = xrn.name
104 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
105 rspec_node['exclusive'] = 'false'
106 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
107 HardwareType({'name': 'pc'})]
109 for instance in instances:
111 sliver = self.instance_to_sliver(instance)
112 sliver['disk_images'] = disk_images
114 slivers = [self.instance_to_sliver(inst) for inst in instances]
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', []):