-### $Id$
-### $URL$
+from types import StringTypes
+from collections import defaultdict
-import datetime
-import time
-
-from sfa.util.misc import *
-from sfa.util.rspec import *
-from sfa.util.specdict import *
-from sfa.util.faults import *
-from sfa.util.storage import *
+from sfa.util.xrn import get_leaf, get_authority, urn_to_hrn
+from sfa.util.plxrn import hrn_to_pl_slicename
from sfa.util.policy import Policy
-from sfa.util.debug import log
-from sfa.server.aggregate import Aggregates
-from sfa.server.registry import Registries
-class Slices(SimpleStorage):
+from sfa.plc.vlink import VLink
+
+MAXINT = 2L**31-1
+
+class Slices:
+
+ rspec_to_slice_tag = {'max_rate':'net_max_rate'}
- def __init__(self, api, ttl = .5):
+ def __init__(self, api, ttl = .5, origin_hrn=None):
self.api = api
- self.ttl = ttl
- self.threshold = None
- path = self.api.config.SFA_BASE_DIR
- filename = ".".join([self.api.interface, self.api.hrn, "slices"])
- filepath = path + os.sep + filename
- self.slices_file = filepath
- SimpleStorage.__init__(self, self.slices_file)
+ #filepath = path + os.sep + filename
self.policy = Policy(self.api)
- self.load()
-
-
- def refresh(self):
- """
- Update the cached list of slices
- """
- # Reload components list
- now = datetime.datetime.now()
- if not self.has_key('threshold') or not self.has_key('timestamp') or \
- now > datetime.datetime.fromtimestamp(time.mktime(time.strptime(self['threshold'], self.api.time_format))):
- if self.api.interface in ['aggregate']:
- self.refresh_slices_aggregate()
- elif self.api.interface in ['slicemgr']:
- self.refresh_slices_smgr()
-
- def refresh_slices_aggregate(self):
- slices = self.api.plshell.GetSlices(self.api.plauth, {'peer_id': None}, ['name'])
- slice_hrns = [slicename_to_hrn(self.api.hrn, slice['name']) for slice in slices]
-
- # update timestamp and threshold
- timestamp = datetime.datetime.now()
- hr_timestamp = timestamp.strftime(self.api.time_format)
- delta = datetime.timedelta(hours=self.ttl)
- threshold = timestamp + delta
- hr_threshold = threshold.strftime(self.api.time_format)
+ self.origin_hrn = origin_hrn
+ self.registry = api.registries[api.hrn]
+ self.credential = api.getCredential()
+ self.nodes = []
+ self.persons = []
+
+ def get_slivers(self, xrn, node=None):
+ hrn, type = urn_to_hrn(xrn)
+
+ slice_name = hrn_to_pl_slicename(hrn)
+ # XX Should we just call PLCAPI.GetSliceTicket(slice_name) instead
+ # of doing all of this?
+ #return self.api.GetSliceTicket(self.auth, slice_name)
- slice_details = {'hrn': slice_hrns,
- 'timestamp': hr_timestamp,
- 'threshold': hr_threshold
- }
- self.update(slice_details)
- self.write()
+ # from PLCAPI.GetSlivers.get_slivers()
+ slice_fields = ['slice_id', 'name', 'instantiation', 'expires', 'person_ids', 'slice_tag_ids']
+ slices = self.api.plshell.GetSlices(self.api.plauth, slice_name, slice_fields)
+ # Build up list of users and slice attributes
+ person_ids = set()
+ all_slice_tag_ids = set()
+ for slice in slices:
+ person_ids.update(slice['person_ids'])
+ all_slice_tag_ids.update(slice['slice_tag_ids'])
+ person_ids = list(person_ids)
+ all_slice_tag_ids = list(all_slice_tag_ids)
+ # Get user information
+ all_persons_list = self.api.plshell.GetPersons(self.api.plauth, {'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids'])
+ all_persons = {}
+ for person in all_persons_list:
+ all_persons[person['person_id']] = person
+
+ # Build up list of keys
+ key_ids = set()
+ for person in all_persons.values():
+ key_ids.update(person['key_ids'])
+ key_ids = list(key_ids)
+ # Get user account keys
+ all_keys_list = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key_id', 'key', 'key_type'])
+ all_keys = {}
+ for key in all_keys_list:
+ all_keys[key['key_id']] = key
+ # Get slice attributes
+ all_slice_tags_list = self.api.plshell.GetSliceTags(self.api.plauth, all_slice_tag_ids)
+ all_slice_tags = {}
+ for slice_tag in all_slice_tags_list:
+ all_slice_tags[slice_tag['slice_tag_id']] = slice_tag
+
+ 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_tags = []
+ for slice_tag_id in slice['slice_tag_ids']:
+ if slice_tag_id in all_slice_tags:
+ slice_tags.append(all_slice_tags[slice_tag_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_tags):
+ sliver_attributes.append(sliver_attribute['tagname'])
+ attributes.append({'tagname': sliver_attribute['tagname'],
+ 'value': sliver_attribute['value']})
+
+ # set nodegroup slice attributes
+ for slice_tag in filter(lambda a: a['nodegroup_id'] in node['nodegroup_ids'], slice_tags):
+ # Do not set any nodegroup slice attributes for
+ # which there is at least one sliver attribute
+ # already set.
+ if slice_tag not in slice_tags:
+ attributes.append({'tagname': slice_tag['tagname'],
+ 'value': slice_tag['value']})
+
+ for slice_tag in filter(lambda a: a['node_id'] is None, slice_tags):
+ # Do not set any global slice attributes for
+ # which there is at least one sliver attribute
+ # already set.
+ if slice_tag['tagname'] not in sliver_attributes:
+ attributes.append({'tagname': slice_tag['tagname'],
+ 'value': slice_tag['value']})
+
+ # XXX Sanity check; though technically this should be a system invariant
+ # checked with an assertion
+ if slice['expires'] > MAXINT: slice['expires']= MAXINT
+
+ slivers.append({
+ 'hrn': hrn,
+ 'name': slice['name'],
+ 'slice_id': slice['slice_id'],
+ 'instantiation': slice['instantiation'],
+ 'expires': slice['expires'],
+ 'keys': keys,
+ 'attributes': attributes
+ })
+
+ return slivers
+
+ def get_peer(self, xrn):
+ hrn, type = urn_to_hrn(xrn)
+ # Becaues of myplc federation, we first need to determine if this
+ # slice belongs to out local plc or a myplc peer. We will assume it
+ # is a local site, unless we find out otherwise
+ peer = None
+
+ # get this slice's authority (site)
+ slice_authority = get_authority(hrn)
+
+ # get this site's authority (sfa root authority or sub authority)
+ site_authority = get_authority(slice_authority).lower()
+
+ # check if we are already peered with this site_authority, if so
+ peers = self.api.plshell.GetPeers(self.api.plauth, {}, ['peer_id', 'peername', 'shortname', 'hrn_root'])
+ for peer_record in peers:
+ names = [name.lower() for name in peer_record.values() if isinstance(name, StringTypes)]
+ if site_authority in names:
+ peer = peer_record
+
+ return peer
+
+ def get_sfa_peer(self, xrn):
+ hrn, type = urn_to_hrn(xrn)
+
+ # return the authority for this hrn or None if we are the authority
+ sfa_peer = None
+ slice_authority = get_authority(hrn)
+ site_authority = get_authority(slice_authority)
+
+ if site_authority != self.api.hrn:
+ sfa_peer = site_authority
+
+ return sfa_peer
+
+ def verify_slice_nodes(self, slice, requested_slivers, peer):
+ nodes = self.api.plshell.GetNodes(self.api.plauth, slice['node_ids'], ['hostname'])
+ current_slivers = [node['hostname'] for node in nodes]
- def refresh_slices_smgr(self):
- slice_hrns = []
- aggregates = Aggregates(self.api)
- credential = self.api.getCredential()
- for aggregate in aggregates:
+ # remove nodes not in rspec
+ deleted_nodes = list(set(current_slivers).difference(requested_slivers))
+
+ # add nodes from rspec
+ added_nodes = list(set(requested_slivers).difference(current_slivers))
+
+ try:
+ if peer:
+ self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', slice['slice_id'], peer['shortname'])
+ self.api.plshell.AddSliceToNodes(self.api.plauth, slice['name'], added_nodes)
+ self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slice['name'], deleted_nodes)
+
+ except:
+ self.api.logger.log_exc('Failed to add/remove slice from nodes')
+
+ def verify_slice_links(self, slice, links, peer=None):
+ # nodes is undefined here
+ if not links or not nodes:
+ return
+ for link in links:
+ topo_rspec = VLink.get_topo_rspec(link)
+
+
+ def handle_peer(self, site, slice, persons, peer):
+ if peer:
+ # bind site
+ try:
+ if site:
+ self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', \
+ site['site_id'], peer['shortname'], slice['site_id'])
+ except Exception,e:
+ self.api.plshell.DeleteSite(self.api.plauth, site['site_id'])
+ raise e
+
+ # bind slice
try:
- slices = aggregates[aggregate].get_slices(credential)
- slice_hrns.extend(slices)
- except:
- print >> log, "Error calling slices at aggregate %(aggregate)s" % locals()
- # update timestamp and threshold
- timestamp = datetime.datetime.now()
- hr_timestamp = timestamp.strftime(self.api.time_format)
- delta = datetime.timedelta(hours=self.ttl)
- threshold = timestamp + delta
- hr_threshold = threshold.strftime(self.api.time_format)
-
- slice_details = {'hrn': slice_hrns,
- 'timestamp': hr_timestamp,
- 'threshold': hr_threshold
- }
- self.update(slice_details)
- self.write()
-
-
- def delete_slice(self, hrn):
- if self.api.interface in ['aggregate']:
- self.delete_slice_aggregate(hrn)
- elif self.api.interface in ['slicemgr']:
- self.delete_slice_smgr(hrn)
+ if slice:
+ self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', \
+ slice['slice_id'], peer['shortname'], slice['slice_id'])
+ except Exception,e:
+ self.api.plshell.DeleteSlice(self.api.plauth, slice['slice_id'])
+ raise e
+
+ # bind persons
+ for person in persons:
+ try:
+ self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', \
+ person['person_id'], peer['shortname'], person['peer_person_id'])
+
+ for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
+ try:
+ self.api.plshell.BindObjectToPeer(self.api.plauth, 'key',\
+ key['key_id'], peer['shortname'], remote_key_id)
+ except:
+ self.api.plshell.DeleteKey(self.api.plauth, key['key_id'])
+ self.api.logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
+ except Exception,e:
+ self.api.plshell.DeletePerson(self.api.plauth, person['person_id'])
+ raise e
+
+ return slice
+
+ def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None):
+ (slice_hrn, type) = urn_to_hrn(slice_xrn)
+ site_hrn = get_authority(slice_hrn)
+ # login base can't be longer than 20 characters
+ slicename = hrn_to_pl_slicename(slice_hrn)
+ authority_name = slicename.split('_')[0]
+ login_base = authority_name[:20]
+ sites = self.api.plshell.GetSites(self.api.plauth, login_base)
+ if not sites:
+ # create new site record
+ site = {'name': 'geni.%s' % authority_name,
+ 'abbreviated_name': authority_name,
+ 'login_base': login_base,
+ 'max_slices': 100,
+ 'max_slivers': 1000,
+ 'enabled': True,
+ 'peer_site_id': None}
+ if peer:
+ site['peer_site_id'] = slice_record.get('site_id', None)
+ site['site_id'] = self.api.plshell.AddSite(self.api.plauth, site)
+ # exempt federated sites from monitor policies
+ self.api.plshell.AddSiteTag(self.api.plauth, site['site_id'], 'exempt_site_until', "20200101")
+
+ # is this still necessary?
+ # add record to the local registry
+ if sfa_peer and slice_record:
+ peer_dict = {'type': 'authority', 'hrn': site_hrn, \
+ 'peer_authority': sfa_peer, 'pointer': site['site_id']}
+ self.registry.register_peer_object(self.credential, peer_dict)
+ else:
+ site = sites[0]
+ if peer:
+ # unbind from peer so we can modify if necessary. Will bind back later
+ self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'site', site['site_id'], peer['shortname'])
- def delete_slice_aggregate(self, hrn):
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, {'peer_id': None, 'name': slicename})
+ return site
+
+ def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer):
+ slicename = hrn_to_pl_slicename(slice_hrn)
+ parts = slicename.split("_")
+ login_base = parts[0]
+ slices = self.api.plshell.GetSlices(self.api.plauth, [slicename])
if not slices:
- return 1
- slice = slices[0]
+ slice = {'name': slicename,
+ 'url': slice_record.get('url', slice_hrn),
+ 'description': slice_record.get('description', slice_hrn)}
+ # add the slice
+ slice['slice_id'] = self.api.plshell.AddSlice(self.api.plauth, slice)
+ slice['node_ids'] = []
+ slice['person_ids'] = []
+ if peer:
+ slice['peer_slice_id'] = slice_record.get('slice_id', None)
+ # mark this slice as an sfa peer record
+ if sfa_peer:
+ peer_dict = {'type': 'slice', 'hrn': slice_hrn,
+ 'peer_authority': sfa_peer, 'pointer': slice['slice_id']}
+ self.registry.register_peer_object(self.credential, peer_dict)
+ else:
+ slice = slices[0]
+ if peer:
+ slice['peer_slice_id'] = slice_record.get('slice_id', None)
+ # unbind from peer so we can modify if necessary. Will bind back later
+ self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice',\
+ slice['slice_id'], peer['shortname'])
+ #Update existing record (e.g. expires field) it with the latest info.
+ if slice_record and slice['expires'] != slice_record['expires']:
+ self.api.plshell.UpdateSlice(self.api.plauth, slice['slice_id'],\
+ {'expires' : slice_record['expires']})
+
+ return slice
+
+ #def get_existing_persons(self, users):
+ def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, append=True):
+ users_by_email = {}
+ users_by_site = defaultdict(list)
+
+ users_dict = {}
+ for user in users:
+ if 'append' in user and user['append'] == False:
+ append = False
+ if 'email' in user:
+ users_by_email[user['email']] = user
+ users_dict[user['email']] = user
+ elif 'urn' in user:
+ hrn, type = urn_to_hrn(user['urn'])
+ username = get_leaf(hrn)
+ login_base = get_leaf(get_authority(user['urn']))
+ user['username'] = username
+ users_by_site[login_base].append(user)
+
+ existing_user_ids = []
+ if users_by_email:
+ # get existing users by email
+ existing_users = self.api.plshell.GetPersons(self.api.plauth, \
+ {'email': users_by_email.keys()}, ['person_id', 'key_ids', 'email'])
+ existing_user_ids.extend([user['email'] for user in existing_users])
+
+ if users_by_site:
+ # get a list of user sites (based on requeste user urns
+ site_list = self.api.plshell.GetSites(self.api.plauth, users_by_site.keys(), \
+ ['site_id', 'login_base', 'person_ids'])
+ sites = {}
+ site_user_ids = []
+
+ # get all existing users at these sites
+ for site in site_list:
+ sites[site['site_id']] = site
+ site_user_ids.extend(site['person_ids'])
+
+ existing_site_persons_list = self.api.plshell.GetPersons(self.api.plauth, \
+ site_user_ids, ['person_id', 'key_ids', 'email', 'site_ids'])
+
+ # all requested users are either existing users or new (added) users
+ for login_base in users_by_site:
+ requested_site_users = users_by_site[login_base]
+ for requested_user in requested_site_users:
+ user_found = False
+ for existing_user in existing_site_persons_list:
+ for site_id in existing_user['site_ids']:
+ site = sites[site_id]
+ if login_base == site['login_base'] and \
+ existing_user['email'].startswith(requested_user['username']):
+ existing_user_ids.append(existing_user['email'])
+ users_dict[existing_user['email']] = requested_user
+ user_found = True
+ break
+ if user_found:
+ break
+
+ if user_found == False:
+ fake_email = requested_user['username'] + '@geni.net'
+ users_dict[fake_email] = requested_user
+
- self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, slice['node_ids'])
- return 1
+ # requested slice users
+ requested_user_ids = users_dict.keys()
+ # existing slice users
+ existing_slice_users_filter = {'person_id': slice_record.get('person_ids', [])}
+ existing_slice_users = self.api.plshell.GetPersons(self.api.plauth, \
+ existing_slice_users_filter, ['person_id', 'key_ids', 'email'])
+ existing_slice_user_ids = [user['email'] for user in existing_slice_users]
+
+ # users to be added, removed or updated
+ added_user_ids = set(requested_user_ids).difference(existing_user_ids)
+ added_slice_user_ids = set(requested_user_ids).difference(existing_slice_user_ids)
+ removed_user_ids = set(existing_slice_user_ids).difference(requested_user_ids)
+ updated_user_ids = set(existing_slice_user_ids).intersection(requested_user_ids)
+
+ # Remove stale users (only if we are not appending).
+ if append == False:
+ for removed_user_id in removed_user_ids:
+ self.api.plshell.DeletePersonFromSlice(self.api.plauth, removed_user_id, slice_record['name'])
+ # update_existing users
+ updated_users_list = [user for user in existing_slice_users if user['email'] in \
+ updated_user_ids]
+ self.verify_keys(existing_slice_users, updated_users_list, peer, append)
+
+ added_persons = []
+ # add new users
+ for added_user_id in added_user_ids:
+ added_user = users_dict[added_user_id]
+ hrn, type = urn_to_hrn(added_user['urn'])
+ person = {
+ 'first_name': added_user.get('first_name', hrn),
+ 'last_name': added_user.get('last_name', hrn),
+ 'email': added_user_id,
+ 'peer_person_id': None,
+ 'keys': [],
+ 'key_ids': added_user.get('key_ids', []),
+ }
+ person['person_id'] = self.api.plshell.AddPerson(self.api.plauth, person)
+ if peer:
+ person['peer_person_id'] = added_user['person_id']
+ added_persons.append(person)
+
+ # enable the account
+ self.api.plshell.UpdatePerson(self.api.plauth, person['person_id'], {'enabled': True})
+
+ # add person to site
+ self.api.plshell.AddPersonToSite(self.api.plauth, added_user_id, login_base)
+
+ for key_string in added_user.get('keys', []):
+ key = {'key':key_string, 'key_type':'ssh'}
+ key['key_id'] = self.api.plshell.AddPersonKey(self.api.plauth, person['person_id'], key)
+ person['keys'].append(key)
+
+ # add the registry record
+ if sfa_peer:
+ peer_dict = {'type': 'user', 'hrn': hrn, 'peer_authority': sfa_peer, \
+ 'pointer': person['person_id']}
+ self.registry.register_peer_object(self.credential, peer_dict)
+
+ for added_slice_user_id in added_slice_user_ids.union(added_user_ids):
+ # add person to the slice
+ self.api.plshell.AddPersonToSlice(self.api.plauth, added_slice_user_id, slice_record['name'])
+ # if this is a peer record then it should already be bound to a peer.
+ # no need to return worry about it getting bound later
+
+ return added_persons
+
- def delete_slice_smgr(self, hrn):
- credential = self.api.getCredential()
- aggregates = Aggregates(self.api)
- for aggregate in aggregates:
- aggregates[aggregate].delete_slice(credential, hrn)
-
- def create_slice(self, hrn, rspec):
- # check our slice policy before we procede
- whitelist = self.policy['slice_whitelist']
- blacklist = self.policy['slice_blacklist']
+ def verify_keys(self, persons, users, peer, append=True):
+ # existing keys
+ key_ids = []
+ for person in persons:
+ key_ids.extend(person['key_ids'])
+ keylist = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key_id', 'key'])
+ keydict = {}
+ for key in keylist:
+ keydict[key['key']] = key['key_id']
+ existing_keys = keydict.keys()
+ persondict = {}
+ for person in persons:
+ persondict[person['email']] = person
+
+ # add new keys
+ requested_keys = []
+ updated_persons = []
+ for user in users:
+ user_keys = user.get('keys', [])
+ updated_persons.append(user)
+ for key_string in user_keys:
+ requested_keys.append(key_string)
+ if key_string not in existing_keys:
+ key = {'key': key_string, 'key_type': 'ssh'}
+ try:
+ if peer:
+ person = persondict[user['email']]
+ self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'person', person['person_id'], peer['shortname'])
+ key['key_id'] = self.api.plshell.AddPersonKey(self.api.plauth, user['email'], key)
+ if peer:
+ key_index = user_keys.index(key['key'])
+ remote_key_id = user['key_ids'][key_index]
+ self.api.plshell.BindObjectToPeer(self.api.plauth, 'key', key['key_id'], peer['shortname'], remote_key_id)
+
+ finally:
+ if peer:
+ self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person['person_id'], peer['shortname'], user['person_id'])
- if whitelist and hrn not in whitelist or \
- blacklist and hrn in blacklist:
- policy_file = self.policy.policy_file
- print >> log, "Slice %(hrn)s not allowed by policy %(policy_file)s" % locals()
- return 1
- if self.api.interface in ['aggregate']:
- self.create_slice_aggregate(hrn, rspec)
- elif self.api.interface in ['slicemgr']:
- self.create_slice_smgr(hrn, rspec)
-
- def create_slice_aggregate(self, hrn, rspec, peer = None):
- spec = Rspec(rspec)
- # Get the slice record from geni
+ # remove old keys (only if we are not appending)
+ if append == False:
+ removed_keys = set(existing_keys).difference(requested_keys)
+ for existing_key_id in keydict:
+ if keydict[existing_key_id] in removed_keys:
+ try:
+ if peer:
+ self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'key', existing_key_id, peer['shortname'])
+ self.api.plshell.DeleteKey(self.api.plauth, existing_key_id)
+ except:
+ pass
+
+ def verify_slice_attributes(self, slice, requested_slice_attributes):
+ # get list of attributes users ar able to manage
+ slice_attributes = self.api.plshell.GetTagTypes(self.api.plauth, {'category': '*slice*', '|roles': ['user']})
+ valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
+
+ # get sliver attributes
+ added_slice_attributes = []
+ removed_slice_attributes = []
+ ignored_slice_attribute_names = []
+ existing_slice_attributes = self.api.plshell.GetSliceTags(self.api.plauth, {'slice_id': slice['slice_id']})
+
+ # get attributes that should be removed
+ for slice_tag in existing_slice_attributes:
+ if slice_tag['tagname'] in ignored_slice_attribute_names:
+ # If a slice already has a admin only role it was probably given to them by an
+ # admin, so we should ignore it.
+ ignored_slice_attribute_names.append(slice_tag['tagname'])
+ else:
+ # If an existing slice attribute was not found in the request it should
+ # be removed
+ attribute_found=False
+ for requested_attribute in requested_slice_attributes:
+ if requested_attribute['name'] == slice_tag['tagname'] and \
+ requested_attribute['value'] == slice_tag['value']:
+ attribute_found=True
+ break
+
+ if not attribute_found:
+ removed_slice_attributes.append(slice_tag)
+
+ # get attributes that should be added:
+ for requested_attribute in requested_slice_attributes:
+ # if the requested attribute wasn't found we should add it
+ if requested_attribute['name'] in valid_slice_attribute_names:
+ attribute_found = False
+ for existing_attribute in existing_slice_attributes:
+ if requested_attribute['name'] == existing_attribute['tagname'] and \
+ requested_attribute['value'] == existing_attribute['value']:
+ attribute_found=True
+ break
+ if not attribute_found:
+ added_slice_attributes.append(requested_attribute)
+
+
+ # remove stale attributes
+ for attribute in removed_slice_attributes:
+ try:
+ self.api.plshell.DeleteSliceTag(self.api.plauth, attribute['slice_tag_id'])
+ except Exception, e:
+ self.api.logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
+ % (name, value, node_id, str(e)))
+
+ # add requested_attributes
+ for attribute in added_slice_attributes:
+ try:
+ name, value, node_id = attribute['name'], attribute['value'], attribute.get('node_id', None)
+ self.api.plshell.AddSliceTag(self.api.plauth, slice['name'], name, value, node_id)
+ except Exception, e:
+ self.api.logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
+ % (name, value, node_id, str(e)))
+
+ def create_slice_aggregate(self, xrn, rspec):
+ hrn, type = urn_to_hrn(xrn)
+ # Determine if this is a peer slice
+ peer = self.get_peer(hrn)
+ sfa_peer = self.get_sfa_peer(hrn)
+
+ spec = RSpec(rspec)
+ # Get the slice record from sfa
+ slicename = hrn_to_pl_slicename(hrn)
slice = {}
- registries = Registries(self.api)
- registry = registries[self.api.hrn]
+ slice_record = None
+ registry = self.api.registries[self.api.hrn]
credential = self.api.getCredential()
- records = registry.resolve(credential, hrn)
- for record in records:
- if record.get_type() in ['slice']:
- slice_record = record.as_dict()
- if not slice_record:
- raise RecordNotFound(hrn)
-
- # Make sure slice exists at plc, if it doesnt add it
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, [slicename], ['node_ids'])
- if not slices:
- parts = slicename.split("_")
- login_base = parts[0]
- # if site doesnt exist add it
- sites = self.api.plshell.GetSites(self.api.plauth, [login_base])
- if not sites:
- authority = get_authority(hrn)
- site_records = registry.resolve(credential, authority)
- site_record = {}
- if not site_records:
- raise RecordNotFound(authority)
- site_record = site_records[0]
- site = site_record.as_dict()
-
- # add the site
- remote_site_id = site.pop('site_id')
- site_id = self.api.plshell.AddSite(self.api.plauth, site)
- # this belongs to a peer
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'site', site_id, peer, remote_site_id)
- else:
- site = sites[0]
-
- # create slice object
- slice_fields = {}
- slice_keys = ['name', 'url', 'description']
- for key in slice_keys:
- if key in slice and slice[key]:
- slice_fields[key] = slice[key]
-
- # add the slice
- slice_id = self.api.plshell.AddSlice(self.api.plauth, slice_fields)
- slice = slice_fields
- #this belongs to a peer
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice_id, peer, slice_record['pointer'])
- slice['node_ids'] = 0
- else:
- slice = slices[0]
- # get the list of valid slice users from the registry and make
- # they are added to the slice
- researchers = record.get('researcher', [])
- for researcher in researchers:
- person_record = {}
- person_records = registry.resolve(credential, researcher)
- for record in person_records:
- if record.get_type() in ['user']:
- person_record = record
- if not person_record:
- pass
- person_dict = person_record.as_dict()
- persons = self.api.plshell.GetPersons(self.api.plauth, [person_dict['email']], ['person_id', 'key_ids'])
-
- # Create the person record
- if not persons:
- person_id=self.api.plshell.AddPerson(self.api.plauth, person_dict)
-
- # The line below enables the user account on the remote
- # aggregate soon after it is created. without this the
- # user key is not transfered to the slice (as GetSlivers
- # returns key of only enabled users), which prevents the
- # user from login to the slice. We may do additional checks
- # before enabling the user.
-
- self.api.plshell.UpdatePerson(self.api.plauth, person_id, {'enabled' : True})
- if peer:
- self.api.plshell.BindObjectToPeer(self.api.plauth, 'person', person_id, peer, person_record['pointer'])
- key_ids = []
- else:
- key_ids = persons[0]['key_ids']
-
- self.api.plshell.AddPersonToSlice(self.api.plauth, person_dict['email'], slicename)
- # Get this users local keys
- keylist = self.api.plshell.GetKeys(self.api.plauth, key_ids, ['key'])
- keys = [key['key'] for key in keylist]
-
- # add keys that arent already there
- for personkey in person_dict['keys']:
- if personkey not in keys:
- key = {'key_type': 'ssh', 'key': personkey}
- if peer:
- # XX Need to get the key_id from remote registry somehow
- #self.api.plshell.BindObjectToPeer(self.api.plauth, 'key', None, peer, key_id)
- pass
- else:
- self.api.plshell.AddPersonKey(self.api.plauth, person_dict['email'], key)
+
+ site_id, remote_site_id = self.verify_site(registry, credential, hrn, peer, sfa_peer)
+ slice = self.verify_slice(registry, credential, hrn, site_id, remote_site_id, peer, sfa_peer)
# find out where this slice is currently running
nodelist = self.api.plshell.GetNodes(self.api.plauth, slice['node_ids'], ['hostname'])
# get netspec details
nodespecs = spec.getDictsByTagName('NodeSpec')
- nodes = []
+
+ # dict in which to store slice attributes to set for the nodes
+ nodes = {}
for nodespec in nodespecs:
if isinstance(nodespec['name'], list):
- nodes.extend(nodespec['name'])
+ for nodename in nodespec['name']:
+ nodes[nodename] = {}
+ for k in nodespec.keys():
+ rspec_attribute_value = nodespec[k]
+ if (self.rspec_to_slice_tag.has_key(k)):
+ slice_tag_name = self.rspec_to_slice_tag[k]
+ nodes[nodename][slice_tag_name] = rspec_attribute_value
elif isinstance(nodespec['name'], StringTypes):
- nodes.append(nodespec['name'])
-
+ nodename = nodespec['name']
+ nodes[nodename] = {}
+ for k in nodespec.keys():
+ rspec_attribute_value = nodespec[k]
+ if (self.rspec_to_slice_tag.has_key(k)):
+ slice_tag_name = self.rspec_to_slice_tag[k]
+ nodes[nodename][slice_tag_name] = rspec_attribute_value
+
+ for k in nodespec.keys():
+ rspec_attribute_value = nodespec[k]
+ if (self.rspec_to_slice_tag.has_key(k)):
+ slice_tag_name = self.rspec_to_slice_tag[k]
+ nodes[nodename][slice_tag_name] = rspec_attribute_value
+
+ node_names = nodes.keys()
# remove nodes not in rspec
- deleted_nodes = list(set(hostnames).difference(nodes))
+ deleted_nodes = list(set(hostnames).difference(node_names))
# add nodes from rspec
- added_nodes = list(set(nodes).difference(hostnames))
+ added_nodes = list(set(node_names).difference(hostnames))
- self.api.plshell.AddSliceToNodes(self.api.plauth, slicename, added_nodes)
- self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, deleted_nodes)
-
- return 1
-
- def create_slice_smgr(self, hrn, rspec):
- spec = Rspec()
- tempspec = Rspec()
- spec.parseString(rspec)
- slicename = hrn_to_pl_slicename(hrn)
- specDict = spec.toDict()
- if specDict.has_key('Rspec'): specDict = specDict['Rspec']
- if specDict.has_key('start_time'): start_time = specDict['start_time']
- else: start_time = 0
- if specDict.has_key('end_time'): end_time = specDict['end_time']
- else: end_time = 0
-
- rspecs = {}
- aggregates = Aggregates(self.api)
- credential = self.api.getCredential()
- # only attempt to extract information about the aggregates we know about
- for aggregate in aggregates:
- netspec = spec.getDictByTagNameValue('NetSpec', aggregate)
- if netspec:
- # creat a plc dict
- resources = {'start_time': start_time, 'end_time': end_time, 'networks': netspec}
- resourceDict = {'Rspec': resources}
- tempspec.parseDict(resourceDict)
- rspecs[aggregate] = tempspec.toxml()
-
- # notify the aggregates
- for aggregate in rspecs.keys():
- # we are already federated with this aggregate using plc federation,
- # we must pass our peer name to that aggregate so they can call BindObjectToPeer
- local_peer_name = None
- peers = self.api.plshell.GetPeers(self.api.plauth, {}, ['peername', 'shortname', 'hrn_root'])
- for peer in peers:
- names = peer.values()
- if aggregate in names:
- local_peer_name = self.api.hrn
-
- try:
- # send the whloe rspec to the local aggregate
- if aggregate in [self.api.hrn]:
- aggregates[aggregate].create_slice(credential, hrn, rspec, local_peer_name)
- else:
- aggregates[aggregate].create_slice(credential, hrn, rspecs[aggregate], local_peer_name)
- except:
- print >> log, "Error creating slice %(hrn)s at aggregate %(aggregate)s" % locals()
- return 1
+ try:
+ if peer:
+ self.api.plshell.UnBindObjectFromPeer(self.api.plauth, 'slice', slice['slice_id'], peer)
+ self.api.plshell.AddSliceToNodes(self.api.plauth, slicename, added_nodes)
- def start_slice(self, hrn):
- if self.api.interface in ['aggregate']:
- self.start_slice_aggregate(hrn)
- elif self.api.interface in ['slicemgr']:
- self.start_slice_smgr(hrn)
+ # Add recognized slice tags
+ for node_name in node_names:
+ node = nodes[node_name]
+ for slice_tag in node.keys():
+ value = node[slice_tag]
+ if (isinstance(value, list)):
+ value = value[0]
- def start_slice_aggregate(self, hrn):
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]
- attributes = self.api.plshell.GetSliceAttributes(self.api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attreibutes[0]['slice_attribute_id']
- self.api.plshell.UpdateSliceAttribute(self.api.plauth, attribute_id, "1" )
- return 1
+ self.api.plshell.AddSliceTag(self.api.plauth, slicename, slice_tag, value, node_name)
- def start_slice_smgr(self, hrn):
- credential = self.api.getCredential()
- aggregates = Aggregates(self.api)
- for aggregate in aggregates:
- aggregates[aggregate].start_slice(credential, hrn)
- return 1
-
-
- def stop_slice(self, hrn):
- if self.api.interface in ['aggregate']:
- self.stop_slice_aggregate(hrn)
- elif self.api.interface in ['slicemgr']:
- self.stop_slice_smgr(hrn)
+ self.api.plshell.DeleteSliceFromNodes(self.api.plauth, slicename, deleted_nodes)
+ finally:
+ if peer:
+ self.api.plshell.BindObjectToPeer(self.api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
- def stop_slice_aggregate(self, hrn):
- slicename = hrn_to_pl_slicename(hrn)
- slices = self.api.plshell.GetSlices(self.api.plauth, {'name': slicename}, ['slice_id'])
- if not slices:
- raise RecordNotFound(hrn)
- slice_id = slices[0]['slice_id']
- attributes = self.api.plshell.GetSliceAttributes(self.api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
- attribute_id = attributes[0]['slice_attribute_id']
- self.api.plshell.UpdateSliceAttribute(self.api.plauth, attribute_id, "0")
return 1
- def stop_slice_smgr(self, hrn):
- credential = self.api.getCredential()
- aggregates = Aggregates(self.api)
- for aggregate in aggregates:
- aggregates[aggregate].stop_slice(credential, hrn)
-
git://git.onelab.eu / sfa.git / blobdiff