3 from PLC.Faults import *
4 from PLC.Method import Method
5 from PLC.Parameter import Parameter, Mixed
6 from PLC.Filter import Filter
7 from PLC.Auth import Auth
8 from PLC.Nodes import Node, Nodes
9 from PLC.NodeNetworks import NodeNetwork, NodeNetworks
10 from PLC.NodeGroups import NodeGroup, NodeGroups
11 from PLC.ConfFiles import ConfFile, ConfFiles
12 from PLC.Slices import Slice, Slices
13 from PLC.Persons import Person, Persons
14 from PLC.Keys import Key, Keys
15 from PLC.SliceAttributes import SliceAttribute, SliceAttributes
16 from PLC.InitScripts import InitScript, InitScripts
18 def get_slivers(api, slice_filter, node = None):
19 # Get slice information
20 slices = Slices(api, slice_filter)
22 # Build up list of users and slice attributes
24 slice_attribute_ids = set()
26 person_ids.update(slice['person_ids'])
27 slice_attribute_ids.update(slice['slice_attribute_ids'])
29 # Get user information
30 all_persons = Persons(api, person_ids, ['person_id', 'enabled', 'key_ids']).dict()
32 # Build up list of keys
34 for person in all_persons.values():
35 key_ids.update(person['key_ids'])
37 # Get user account keys
38 all_keys = Keys(api, key_ids, ['key_id', 'key', 'key_type']).dict()
40 # Get slice attributes
41 all_slice_attributes = SliceAttributes(api, slice_attribute_ids).dict()
46 for person_id in slice['person_ids']:
47 if person_id in all_persons:
48 person = all_persons[person_id]
49 if not person['enabled']:
51 for key_id in person['key_ids']:
52 if key_id in all_keys:
53 key = all_keys[key_id]
54 keys += [{'key_type': key['key_type'],
59 # All (per-node and global) attributes for this slice
61 for slice_attribute_id in slice['slice_attribute_ids']:
62 if slice_attribute_id in all_slice_attributes:
63 slice_attributes.append(all_slice_attributes[slice_attribute_id])
65 # Per-node sliver attributes take precedence over global
66 # slice attributes, so set them first.
67 sliver_attributes = []
70 for sliver_attribute in filter(lambda a: a['node_id'] == node['node_id'], slice_attributes):
71 sliver_attributes.append(sliver_attribute['name'])
72 attributes.append({'name': sliver_attribute['name'],
73 'value': sliver_attribute['value']})
75 for slice_attribute in filter(lambda a: a['node_id'] is None, slice_attributes):
76 # Do not set any global slice attributes for
77 # which there is at least one sliver attribute
79 if slice_attribute['name'] not in sliver_attributes:
80 attributes.append({'name': slice_attribute['name'],
81 'value': slice_attribute['value']})
84 'name': slice['name'],
85 'slice_id': slice['slice_id'],
86 'instantiation': slice['instantiation'],
87 'expires': slice['expires'],
89 'attributes': attributes
94 class GetSlivers(Method):
96 Returns a struct containing information about the specified node
97 (or calling node, if called by a node and node_id_or_hostname is
98 not specified), including the current set of slivers bound to the
101 All of the information returned by this call can be gathered from
102 other calls, e.g. GetNodes, GetNodeNetworks, GetSlices, etc. This
103 function exists almost solely for the benefit of Node Manager.
106 roles = ['admin', 'node']
110 Mixed(Node.fields['node_id'],
111 Node.fields['hostname']),
115 'timestamp': Parameter(int, "Timestamp of this call, in seconds since UNIX epoch"),
116 'node_id': Node.fields['node_id'],
117 'hostname': Node.fields['hostname'],
118 'networks': [NodeNetwork.fields],
119 'groups': [NodeGroup.fields['name']],
120 'conf_files': [ConfFile.fields],
121 'initscripts': [InitScript.fields],
123 'name': Slice.fields['name'],
124 'slice_id': Slice.fields['slice_id'],
125 'instantiation': Slice.fields['instantiation'],
126 'expires': Slice.fields['expires'],
128 'key_type': Key.fields['key_type'],
129 'key': Key.fields['key']
132 'name': SliceAttribute.fields['name'],
133 'value': SliceAttribute.fields['value']
138 def call(self, auth, node_id_or_hostname = None):
139 timestamp = int(time.time())
142 if node_id_or_hostname is None:
143 if isinstance(self.caller, Node):
146 raise PLCInvalidArgument, "'node_id_or_hostname' not specified"
148 nodes = Nodes(self.api, [node_id_or_hostname])
150 raise PLCInvalidArgument, "No such node"
153 if node['peer_id'] is not None:
154 raise PLCInvalidArgument, "Not a local node"
156 # Get nodenetwork information
157 networks = NodeNetworks(self.api, node['nodenetwork_ids'])
159 # Get node group information
160 nodegroups = NodeGroups(self.api, node['nodegroup_ids']).dict('name')
161 groups = nodegroups.keys()
163 # Get all (enabled) configuration files
164 all_conf_files = ConfFiles(self.api, {'enabled': True}).dict()
167 # Global configuration files are the default. If multiple
168 # entries for the same global configuration file exist, it is
169 # undefined which one takes precedence.
170 for conf_file in all_conf_files.values():
171 if not conf_file['node_ids'] and not conf_file['nodegroup_ids']:
172 conf_files[conf_file['dest']] = conf_file
174 # Node group configuration files take precedence over global
175 # ones. If a node belongs to multiple node groups for which
176 # the same configuration file is defined, it is undefined
177 # which one takes precedence.
178 for nodegroup in nodegroups.values():
179 for conf_file_id in nodegroup['conf_file_ids']:
180 if conf_file_id in all_conf_files:
181 conf_files[conf_file['dest']] = all_conf_files[conf_file_id]
183 # Node configuration files take precedence over node group
184 # configuration files.
185 for conf_file_id in node['conf_file_ids']:
186 if conf_file_id in all_conf_files:
187 conf_files[conf_file['dest']] = all_conf_files[conf_file_id]
190 # Get all (enabled) initscripts
191 initscripts = InitScripts(self.api, {'enabled': True})
194 system_slice_attributes = SliceAttributes(self.api, {'name': 'system', 'value': '1'}).dict('slice_id')
195 system_slice_ids = system_slice_attributes.keys()
197 slivers = get_slivers(self.api, system_slice_ids + node['slice_ids'], node)
199 #node.update_last_contact()
202 'timestamp': timestamp,
203 'node_id': node['node_id'],
204 'hostname': node['hostname'],
205 'networks': networks,
207 'conf_files': conf_files.values(),
208 'initscripts': initscripts,