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 isinstnace(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]
87 xrn = OSXrn(zone, 'node')
88 rspec_node['component_id'] = xrn.urn
89 rspec_node['component_name'] = xrn.name
90 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
91 rspec_node['exclusive'] = 'false'
92 rspec_node['hardware_types'] = [HardwareType({'name': 'plos-pc'}),
93 HardwareType({'name': 'pc'})]
94 instances = self.driver.shell.db.instance_type_get_all().values()
95 slivers = [self.instance_to_sliver(inst) for inst in instances]
96 rspec_node['slivers'] = slivers
97 rspec_nodes.append(rspec_node)
102 def verify_slice(self, slicename, users, options={}):
104 Create the slice if it doesn't alredy exist
106 import nova.exception.ProjectNotFound
108 slice = self.driver.shell.auth_manager.get_project(slicename)
109 except nova.exception.ProjectNotFound:
110 # convert urns to user names
111 usernames = [Xrn(user['urn']).get_leaf() for user in users]
112 # assume that the first user is the project manager
113 proj_manager = usernames[0]
114 self.driver.shell.auth_manager.create_project(slicename, proj_manager)
116 def verify_slice_users(self, slicename, users, options={}):
118 Add requested users to the specified slice.
121 # There doesn't seem to be an effcient way to
122 # look up all the users of a project, so lets not
123 # attempt to remove stale users . For now lets just
124 # ensure that the specified users exist
126 username = Xrn(user['urn']).get_leaf()
128 self.driver.shell.auth_manager.get_user(username)
129 except nova.exception.UserNotFound:
130 self.driver.shell.auth_manager.create_user(username)
131 self.verify_user_keys(username, user['keys'], options)
133 def verify_user_keys(self, username, keys, options={}):
137 append = options.get('append', True)
138 existing_keys = self.driver.shell.db.key_pair_get_all_by_user(username)
139 existing_pub_keys = [key.public_key for key in existing_keys]
140 removed_pub_keys = set(existing_pub_keys).difference(keys)
141 added_pub_keys = set(keys).difference(existing_pub_keys)
144 for public_key in added_pub_keys:
146 key['user_id'] = username
147 key['name'] = username
148 key['public'] = public_key
149 self.driver.shell.db.key_pair_create(key)
153 for key in existing_keys:
154 if key.public_key in removed_pub_keys:
155 self.driver.shell.db.key_pair_destroy(username, key.name)
157 def verify_instances(self, slicename, rspec):