--- /dev/null
+import time
+
+from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.Filter import Filter
+from PLC.Auth import Auth
+from PLC.Nodes import Node, Nodes
+from PLC.NodeNetworks import NodeNetwork, NodeNetworks
+from PLC.NodeGroups import NodeGroup, NodeGroups
+from PLC.ConfFiles import ConfFile, ConfFiles
+from PLC.Slices import Slice, Slices
+from PLC.Persons import Person, Persons
+from PLC.Keys import Key, Keys
+from PLC.SliceAttributes import SliceAttribute, SliceAttributes
+from PLC.InitScripts import InitScript, InitScripts
+
+def get_slivers(api, slice_filter, node = None):
+ # Get slice information
+ slices = Slices(api, slice_filter, ['slice_id', 'name', 'instantiation', 'expires', 'person_ids', 'slice_attribute_ids'])
+
+ # Build up list of users and slice attributes
+ person_ids = set()
+ slice_attribute_ids = set()
+ for slice in slices:
+ person_ids.update(slice['person_ids'])
+ slice_attribute_ids.update(slice['slice_attribute_ids'])
+
+ # Get user information
+ all_persons = Persons(api, {'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids']).dict()
+
+ # Build up list of keys
+ key_ids = set()
+ for person in all_persons.values():
+ key_ids.update(person['key_ids'])
+
+ # Get user account keys
+ all_keys = Keys(api, key_ids, ['key_id', 'key', 'key_type']).dict()
+
+ # Get slice attributes
+ all_slice_attributes = SliceAttributes(api, slice_attribute_ids).dict()
+
+ slivers = []
+ for slice in slices:
+ keys = []
+ for person_id in slice['person_ids']:
+ if person_id in all_persons:
+ person = all_persons[person_id]
+ if not person['enabled']:
+ continue
+ for key_id in person['key_ids']:
+ if key_id in all_keys:
+ key = all_keys[key_id]
+ keys += [{'key_type': key['key_type'],
+ 'key': key['key']}]
+
+ attributes = []
+
+ # All (per-node and global) attributes for this slice
+ slice_attributes = []
+ for slice_attribute_id in slice['slice_attribute_ids']:
+ if slice_attribute_id in all_slice_attributes:
+ slice_attributes.append(all_slice_attributes[slice_attribute_id])
+
+ # Per-node sliver attributes take precedence over global
+ # slice attributes, so set them first.
+ # Then comes nodegroup slice attributes
+ # Followed by global slice attributes
+ sliver_attributes = []
+
+ if node is not None:
+ for sliver_attribute in filter(lambda a: a['node_id'] == node['node_id'], slice_attributes):
+ sliver_attributes.append(sliver_attribute['name'])
+ attributes.append({'name': sliver_attribute['name'],
+ 'value': sliver_attribute['value']})
+
+ # set nodegroup slice attributes
+ for slice_attribute in filter(lambda a: a['nodegroup_id'] in node['nodegroup_ids'], slice_attributes):
+ # Do not set any nodegroup slice attributes for
+ # which there is at least one sliver attribute
+ # already set.
+ if slice_attribute['name'] not in slice_attributes:
+ attributes.append({'name': slice_attribute['name'],
+ 'value': slice_attribute['value']})
+
+ for slice_attribute in filter(lambda a: a['node_id'] is None, slice_attributes):
+ # Do not set any global slice attributes for
+ # which there is at least one sliver attribute
+ # already set.
+ if slice_attribute['name'] not in sliver_attributes:
+ attributes.append({'name': slice_attribute['name'],
+ 'value': slice_attribute['value']})
+
+ slivers.append({
+ 'name': slice['name'],
+ 'slice_id': slice['slice_id'],
+ 'instantiation': slice['instantiation'],
+ 'expires': slice['expires'],
+ 'keys': keys,
+ 'attributes': attributes
+ })
+
+ return slivers
+
+class GetSlivers(Method):
+ """
+ Returns a struct containing information about the specified node
+ (or calling node, if called by a node and node_id_or_hostname is
+ not specified), including the current set of slivers bound to the
+ node.
+
+ All of the information returned by this call can be gathered from
+ other calls, e.g. GetNodes, GetNodeNetworks, GetSlices, etc. This
+ function exists almost solely for the benefit of Node Manager.
+ """
+
+ roles = ['admin', 'node']
+
+ accepts = [
+ Auth(),
+ Mixed(Node.fields['node_id'],
+ Node.fields['hostname']),
+ ]
+
+ returns = {
+ 'timestamp': Parameter(int, "Timestamp of this call, in seconds since UNIX epoch"),
+ 'node_id': Node.fields['node_id'],
+ 'hostname': Node.fields['hostname'],
+ 'networks': [NodeNetwork.fields],
+ 'groups': [NodeGroup.fields['name']],
+ 'conf_files': [ConfFile.fields],
+ 'initscripts': [InitScript.fields],
+ 'slivers': [{
+ 'name': Slice.fields['name'],
+ 'slice_id': Slice.fields['slice_id'],
+ 'instantiation': Slice.fields['instantiation'],
+ 'expires': Slice.fields['expires'],
+ 'keys': [{
+ 'key_type': Key.fields['key_type'],
+ 'key': Key.fields['key']
+ }],
+ 'attributes': [{
+ 'name': SliceAttribute.fields['name'],
+ 'value': SliceAttribute.fields['value']
+ }]
+ }]
+ }
+
+ def call(self, auth, node_id_or_hostname = None):
+ timestamp = int(time.time())
+
+ # Get node
+ if node_id_or_hostname is None:
+ if isinstance(self.caller, Node):
+ node = self.caller
+ else:
+ raise PLCInvalidArgument, "'node_id_or_hostname' not specified"
+ else:
+ nodes = Nodes(self.api, [node_id_or_hostname])
+ if not nodes:
+ raise PLCInvalidArgument, "No such node"
+ node = nodes[0]
+
+ if node['peer_id'] is not None:
+ raise PLCInvalidArgument, "Not a local node"
+
+ # Get nodenetwork information
+ networks = NodeNetworks(self.api, node['nodenetwork_ids'])
+
+ # Get node group information
+ nodegroups = NodeGroups(self.api, node['nodegroup_ids']).dict('name')
+ groups = nodegroups.keys()
+
+ # Get all (enabled) configuration files
+ all_conf_files = ConfFiles(self.api, {'enabled': True}).dict()
+ conf_files = {}
+
+ # Global configuration files are the default. If multiple
+ # entries for the same global configuration file exist, it is
+ # undefined which one takes precedence.
+ for conf_file in all_conf_files.values():
+ if not conf_file['node_ids'] and not conf_file['nodegroup_ids']:
+ conf_files[conf_file['dest']] = conf_file
+
+ # Node group configuration files take precedence over global
+ # ones. If a node belongs to multiple node groups for which
+ # the same configuration file is defined, it is undefined
+ # which one takes precedence.
+ for nodegroup in nodegroups.values():
+ for conf_file_id in nodegroup['conf_file_ids']:
+ if conf_file_id in all_conf_files:
+ conf_files[conf_file['dest']] = all_conf_files[conf_file_id]
+
+ # Node configuration files take precedence over node group
+ # configuration files.
+ for conf_file_id in node['conf_file_ids']:
+ if conf_file_id in all_conf_files:
+ conf_files[conf_file['dest']] = all_conf_files[conf_file_id]
+
+
+ # Get all (enabled) initscripts
+ initscripts = InitScripts(self.api, {'enabled': True})
+
+ # Get system slices
+ system_slice_attributes = SliceAttributes(self.api, {'name': 'system', 'value': '1'}).dict('slice_id')
+ system_slice_ids = system_slice_attributes.keys()
+
+ # Get nm-controller slices
+ controller_and_delegated_slices = Slices(self.api, {'instantiation': ['nm-controller', 'delegated']}, ['slice_id']).dict('slice_id')
+ controller_and_delegated_slice_ids = controller_and_delegated_slices.keys()
+ slice_ids = system_slice_ids + controller_and_delegated_slice_ids + node['slice_ids']
+
+ slivers = get_slivers(self.api, slice_ids, node)
+
+ node.update_last_contact()
+
+ return {
+ 'timestamp': timestamp,
+ 'node_id': node['node_id'],
+ 'hostname': node['hostname'],
+ 'networks': networks,
+ 'groups': groups,
+ 'conf_files': conf_files.values(),
+ 'initscripts': initscripts,
+ 'slivers': slivers
+ }
git://git.onelab.eu / plcapi.git / blobdiff