-from types import StringTypes
+import time
from collections import defaultdict
from sfa.util.sfatime import utcparse, datetime_to_epoch
from sfa.util.sfalogging import logger
from sfa.util.xrn import Xrn, get_leaf, get_authority, urn_to_hrn
-#from sfa.util.policy import Policy
-from sfa.util.plxrn import PlXrn
from sfa.rspecs.rspec import RSpec
from sfa.planetlab.vlink import VLink
-from sfa.util.plxrn import hrn_to_pl_slicename
+from sfa.planetlab.topology import Topology
+from sfa.planetlab.plxrn import (PlXrn, hrn_to_pl_slicename, xrn_to_hostname,
+ top_auth, hash_loginbase)
+from sfa.storage.model import SliverAllocation
+
+MAXINT = 2L**31 - 1
-MAXINT = 2L**31-1
class PlSlices:
- rspec_to_slice_tag = {'max_rate':'net_max_rate'}
+ rspec_to_slice_tag = {'max_rate': 'net_max_rate'}
def __init__(self, driver):
self.driver = driver
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.driver.shell.GetSliceTicket(self.auth, slice_name)
-
+ # return self.driver.shell.GetSliceTicket(self.auth, slice_name)
+
# from PLCAPI.GetSlivers.get_slivers()
- slice_fields = ['slice_id', 'name', 'instantiation', 'expires', 'person_ids', 'slice_tag_ids']
+ slice_fields = ['slice_id', 'name', 'instantiation',
+ 'expires', 'person_ids', 'slice_tag_ids']
slices = self.driver.shell.GetSlices(slice_name, slice_fields)
# Build up list of users and slice attributes
person_ids = set()
person_ids = list(person_ids)
all_slice_tag_ids = list(all_slice_tag_ids)
# Get user information
- all_persons_list = self.driver.shell.GetPersons({'person_id':person_ids,'enabled':True}, ['person_id', 'enabled', 'key_ids'])
+ all_persons_list = self.driver.shell.GetPersons(
+ {'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
+ all_persons[person['person_id']] = person
# Build up list of keys
key_ids = set()
key_ids.update(person['key_ids'])
key_ids = list(key_ids)
# Get user account keys
- all_keys_list = self.driver.shell.GetKeys(key_ids, ['key_id', 'key', 'key_type'])
+ all_keys_list = self.driver.shell.GetKeys(
+ key_ids, ['key_id', 'key', 'key_type'])
all_keys = {}
for key in all_keys_list:
all_keys[key['key_id']] = key
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 = []
if key_id in all_keys:
key = all_keys[key_id]
keys += [{'key_type': key['key_type'],
- 'key': key['key']}]
+ '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])
+ 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
sliver_attributes = []
if node is not None:
- for sliver_attribute in filter(lambda a: a['node_id'] == node['node_id'], slice_tags):
+ 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']})
+ 'value': sliver_attribute['value']})
# set nodegroup slice attributes
- for slice_tag in filter(lambda a: a['nodegroup_id'] in node['nodegroup_ids'], slice_tags):
+ 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']})
+ 'value': slice_tag['value']})
- for slice_tag in filter(lambda a: a['node_id'] is None, slice_tags):
+ 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']})
+ '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
-
+ if slice['expires'] > MAXINT:
+ slice['expires'] = MAXINT
+
slivers.append({
'hrn': hrn,
'name': slice['name'],
})
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.driver.shell.GetPeers({}, ['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 sfa_peer
- def verify_slice_nodes(self, slice, requested_slivers, peer):
-
- nodes = self.driver.shell.GetNodes(slice['node_ids'], ['node_id', 'hostname', 'interface_ids'])
+ def verify_slice_leases(self, slice, rspec_requested_leases):
+
+ leases = self.driver.shell.GetLeases(
+ {'name': slice['name'], 'clip': int(time.time())},
+ ['lease_id', 'name', 'hostname', 't_from', 't_until'])
+ grain = self.driver.shell.GetLeaseGranularity()
+
+ requested_leases = []
+ for lease in rspec_requested_leases:
+ requested_lease = {}
+ slice_hrn, _ = urn_to_hrn(lease['slice_id'])
+
+ top_auth_hrn = top_auth(slice_hrn)
+ site_hrn = '.'.join(slice_hrn.split('.')[:-1])
+ slice_part = slice_hrn.split('.')[-1]
+ if top_auth_hrn == self.driver.hrn:
+ login_base = slice_hrn.split('.')[-2][:12]
+ else:
+ login_base = hash_loginbase(site_hrn)
+
+ slice_name = '_'.join([login_base, slice_part])
+
+ if slice_name != slice['name']:
+ continue
+ elif (Xrn(lease['component_id']).get_authority_urn().split(':')[0]
+ != self.driver.hrn):
+ continue
+
+ hostname = xrn_to_hostname(lease['component_id'])
+ # fill the requested node with nitos ids
+ requested_lease['name'] = slice['name']
+ requested_lease['hostname'] = hostname
+ requested_lease['t_from'] = int(lease['start_time'])
+ requested_lease['t_until'] = int(
+ lease['duration']) * grain + int(lease['start_time'])
+ requested_leases.append(requested_lease)
+
+ # prepare actual slice leases by lease_id
+ leases_by_id = {}
+ for lease in leases:
+ leases_by_id[lease['lease_id']] = {
+ 'name': lease['name'], 'hostname': lease['hostname'],
+ 't_from': lease['t_from'], 't_until': lease['t_until']}
+
+ added_leases = []
+ kept_leases_id = []
+ deleted_leases_id = []
+ for lease_id in leases_by_id:
+ if leases_by_id[lease_id] not in requested_leases:
+ deleted_leases_id.append(lease_id)
+ else:
+ kept_leases_id.append(lease_id)
+ requested_leases.remove(leases_by_id[lease_id])
+ added_leases = requested_leases
+
+ try:
+ self.driver.shell.DeleteLeases(deleted_leases_id)
+ for lease in added_leases:
+ self.driver.shell.AddLeases(
+ lease['hostname'], slice['name'],
+ lease['t_from'], lease['t_until'])
+
+ except Exception:
+ logger.log_exc('Failed to add/remove slice leases')
+
+ return leases
+
+ def verify_slice_nodes(self, slice_urn, slice, rspec_nodes):
+
+ slivers = {}
+ for node in rspec_nodes:
+ hostname = node.get('component_name')
+ client_id = node.get('client_id')
+ component_id = node.get('component_id').strip()
+ if hostname:
+ hostname = hostname.strip()
+ elif component_id:
+ hostname = xrn_to_hostname(component_id)
+ if hostname:
+ slivers[hostname] = {
+ 'client_id': client_id, 'component_id': component_id}
+
+ nodes = self.driver.shell.GetNodes(
+ slice['node_ids'], ['node_id', 'hostname', 'interface_ids'])
current_slivers = [node['hostname'] for node in nodes]
# remove nodes not in rspec
- deleted_nodes = list(set(current_slivers).difference(requested_slivers))
+ deleted_nodes = list(set(current_slivers).difference(slivers.keys()))
# add nodes from rspec
- added_nodes = list(set(requested_slivers).difference(current_slivers))
+ added_nodes = list(set(slivers.keys()).difference(current_slivers))
try:
- if peer:
- self.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
self.driver.shell.AddSliceToNodes(slice['name'], added_nodes)
- self.driver.shell.DeleteSliceFromNodes(slice['name'], deleted_nodes)
+ self.driver.shell.DeleteSliceFromNodes(
+ slice['name'], deleted_nodes)
- except:
+ except Exception:
logger.log_exc('Failed to add/remove slice from nodes')
- return nodes
+
+ slices = self.driver.shell.GetSlices(slice['name'], ['node_ids'])
+ resulting_nodes = self.driver.shell.GetNodes(slices[0]['node_ids'])
+
+ # update sliver allocations
+ for node in resulting_nodes:
+ client_id = slivers[node['hostname']]['client_id']
+ component_id = slivers[node['hostname']]['component_id']
+ sliver_hrn = '{}.{}-{}'.format(self.driver.hrn,
+ slice['slice_id'], node['node_id'])
+ sliver_id = Xrn(sliver_hrn, type='sliver').urn
+ record = SliverAllocation(sliver_id=sliver_id, client_id=client_id,
+ component_id=component_id,
+ slice_urn=slice_urn,
+ allocation_state='geni_allocated')
+ record.sync(self.driver.api.dbsession())
+ return resulting_nodes
def free_egre_key(self):
used = set()
for tag in self.driver.shell.GetSliceTags({'tagname': 'egre_key'}):
- used.add(int(tag['value']))
+ used.add(int(tag['value']))
for i in range(1, 256):
if i not in used:
return str(key)
def verify_slice_links(self, slice, requested_links, nodes):
- # nodes is undefined here
+
if not requested_links:
return
-
- # build dict of nodes
+
+ # exit if links are not supported here
+ topology = Topology()
+ if not topology:
+ return
+
+ # build dict of nodes
nodes_dict = {}
interface_ids = []
for node in nodes:
interfaces = self.driver.shell.GetInterfaces(interface_ids)
interfaces_dict = {}
for interface in interfaces:
- interfaces_dict[interface['interface_id']] = interface
+ interfaces_dict[interface['interface_id']] = interface
slice_tags = []
-
+
# set egre key
slice_tags.append({'name': 'egre_key', 'value': self.free_egre_key()})
-
+
# set netns
slice_tags.append({'name': 'netns', 'value': '1'})
- # set cap_net_admin
+ # set cap_net_admin
# need to update the attribute string?
- slice_tags.append({'name': 'capabilities', 'value': 'CAP_NET_ADMIN'})
-
+ slice_tags.append({'name': 'capabilities', 'value': 'CAP_NET_ADMIN'})
+
for link in requested_links:
# get the ip address of the first node in the link
ifname1 = Xrn(link['interface1']['component_id']).get_leaf()
- (node_raw, device) = ifname1.split(':')
- node_id = int(node_raw.replace('node', ''))
- node = nodes_dict[node_id]
- if1 = interfaces_dict[node['interface_ids'][0]]
- ipaddr = if1['ip']
- topo_rspec = VLink.get_topo_rspec(link, ipaddr)
- # set topo_rspec tag
- slice_tags.append({'name': 'topo_rspec', 'value': str([topo_rspec]), 'node_id': node_id})
- # set vini_topo tag
- slice_tags.append({'name': 'vini_topo', 'value': 'manual', 'node_id': node_id})
- #self.driver.shell.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id)
-
- self.verify_slice_attributes(slice, slice_tags, {'append': True}, admin=True)
-
-
-
- def handle_peer(self, site, slice, persons, peer):
- if peer:
- # bind site
- try:
- if site:
- self.driver.shell.BindObjectToPeer('site', site['site_id'], peer['shortname'], slice['site_id'])
- except Exception,e:
- self.driver.shell.DeleteSite(site['site_id'])
- raise e
-
- # bind slice
- try:
- if slice:
- self.driver.shell.BindObjectToPeer('slice', slice['slice_id'], peer['shortname'], slice['slice_id'])
- except Exception,e:
- self.driver.shell.DeleteSlice(slice['slice_id'])
- raise e
-
- # bind persons
- for person in persons:
- try:
- self.driver.shell.BindObjectToPeer('person',
- person['person_id'], peer['shortname'], person['peer_person_id'])
-
- for (key, remote_key_id) in zip(person['keys'], person['key_ids']):
- try:
- self.driver.shell.BindObjectToPeer( 'key', key['key_id'], peer['shortname'], remote_key_id)
- except:
- self.driver.shell.DeleteKey(key['key_id'])
- logger("failed to bind key: %s to peer: %s " % (key['key_id'], peer['shortname']))
- except Exception,e:
- self.driver.shell.DeletePerson(person['person_id'])
- raise e
-
- return slice
-
- def verify_site(self, slice_xrn, slice_record={}, peer=None, sfa_peer=None, options={}):
+
+ if ifname1:
+ ifname_parts = ifname1.split(':')
+ node_raw = ifname_parts[0]
+ device = None
+ if len(ifname_parts) > 1:
+ device = ifname_parts[1]
+ node_id = int(node_raw.replace('node', ''))
+ node = nodes_dict[node_id]
+ if1 = interfaces_dict[node['interface_ids'][0]]
+ ipaddr = if1['ip']
+ topo_rspec = VLink.get_topo_rspec(link, ipaddr)
+ # set topo_rspec tag
+ slice_tags.append({'name': 'topo_rspec', 'value': str(
+ [topo_rspec]), 'node_id': node_id})
+ # set vini_topo tag
+ slice_tags.append(
+ {'name': 'vini_topo', 'value': 'manual', 'node_id': node_id})
+ #self.driver.shell.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id)
+
+ self.verify_slice_tags(slice, slice_tags, {
+ 'pltags': 'append'}, admin=True)
+
+ def verify_site(self, slice_xrn,
+ slice_record=None, sfa_peer=None, options=None):
+ if slice_record is None:
+ slice_record = {}
+ if options is None:
+ options = {}
(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.driver.shell.GetSites(login_base)
- if not sites:
+ top_auth_hrn = top_auth(slice_hrn)
+ site_hrn = '.'.join(slice_hrn.split('.')[:-1])
+ if top_auth_hrn == self.driver.hrn:
+ login_base = slice_hrn.split('.')[-2][:12]
+ else:
+ login_base = hash_loginbase(site_hrn)
+
+ # filter sites by hrn
+ sites = self.driver.shell.GetSites(
+ {'peer_id': None, 'hrn': site_hrn},
+ ['site_id', 'name', 'abbreviated_name', 'login_base', 'hrn'])
+
+ # alredy exists
+ if sites:
+ site = sites[0]
+ else:
# create new site record
- site = {'name': 'geni.%s' % authority_name,
- 'abbreviated_name': authority_name,
+ site = {'name': 'sfa:{}'.format(site_hrn),
+ 'abbreviated_name': site_hrn,
'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.driver.shell.AddSite(site)
+ 'peer_site_id': None,
+ 'hrn': site_hrn,
+ 'sfa_created': 'True',
+ }
+ site_id = self.driver.shell.AddSite(site)
+ # plcapi tends to mess with the incoming hrn so let's make sure
+ self.driver.shell.SetSiteHrn(site_id, site_hrn)
+ site['site_id'] = site_id
# exempt federated sites from monitor policies
- self.driver.shell.AddSiteTag(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.driver.shell.UnBindObjectFromPeer('site', site['site_id'], peer['shortname'])
-
- return site
-
- def verify_slice(self, slice_hrn, slice_record, peer, sfa_peer, options={}):
- slicename = hrn_to_pl_slicename(slice_hrn)
- parts = slicename.split("_")
- login_base = parts[0]
- slices = self.driver.shell.GetSlices([slicename])
- if not slices:
- slice = {'name': slicename,
- 'url': slice_record.get('url', slice_hrn),
- 'description': slice_record.get('description', slice_hrn)}
- # add the slice
- slice['slice_id'] = self.driver.shell.AddSlice(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)
+ self.driver.shell.AddSiteTag(
+ site_id, 'exempt_site_until', "20200101")
+
+ return site
+
+ def verify_slice(self, slice_hrn, slice_record,
+ sfa_peer, expiration, options=None):
+ if options is None:
+ options = {}
+ top_auth_hrn = top_auth(slice_hrn)
+ site_hrn = '.'.join(slice_hrn.split('.')[:-1])
+ slice_part = slice_hrn.split('.')[-1]
+ if top_auth_hrn == self.driver.hrn:
+ login_base = slice_hrn.split('.')[-2][:12]
else:
+ login_base = hash_loginbase(site_hrn)
+ slice_name = '_'.join([login_base, slice_part])
+
+ expires = int(datetime_to_epoch(utcparse(expiration)))
+ # Filter slices by HRN
+ slices = self.driver.shell.GetSlices(
+ {'peer_id': None, 'hrn': slice_hrn},
+ ['slice_id', 'name', 'hrn', 'expires'])
+
+ if slices:
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.driver.shell.UnBindObjectFromPeer('slice', slice['slice_id'], peer['shortname'])
- #Update existing record (e.g. expires field) it with the latest info.
- if slice_record.get('expires'):
- requested_expires = int(datetime_to_epoch(utcparse(slice_record['expires'])))
- if requested_expires and slice['expires'] != requested_expires:
- self.driver.shell.UpdateSlice( slice['slice_id'], {'expires' : requested_expires})
-
- return slice
-
- #def get_existing_persons(self, users):
- def verify_persons(self, slice_hrn, slice_record, users, peer, sfa_peer, options={}):
- users_by_email = {}
- users_by_site = defaultdict(list)
- users_dict = {}
- for user in users:
- hrn, type = urn_to_hrn(user['urn'])
- username = get_leaf(hrn)
- login_base = PlXrn(xrn=user['urn']).pl_login_base()
- user['username'] = username
- user['site'] = login_base
-
- if 'email' in user:
- users_by_email[user['email']] = user
- users_dict[user['email']] = user
+ slice_id = slice['slice_id']
+ # Update expiration if necessary
+ if slice.get('expires', None) != expires:
+ self.driver.shell.UpdateSlice(slice_id, {'expires': expires})
+ else:
+ if slice_record:
+ url = slice_record.get('url', slice_hrn)
+ description = slice_record.get('description', slice_hrn)
else:
- users_by_site[user['site']].append(user)
-
- # start building a list of existing users
- existing_user_ids = []
- existing_user_ids_filter = []
- if users_by_email:
- existing_user_ids_filter.extend(users_by_email.keys())
- if users_by_site:
- for login_base in users_by_site:
- users = users_by_site[login_base]
- for user in users:
- existing_user_ids_filter.append(user['username']+'@geni.net')
- if existing_user_ids_filter:
- # get existing users by email
- existing_users = self.driver.shell.GetPersons({'email': existing_user_ids_filter},
- ['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.driver.shell.GetSites(users_by_site.keys(), \
- ['site_id', 'login_base', 'person_ids'])
- # get all existing users at these sites
- sites = {}
- site_user_ids = []
- for site in site_list:
- sites[site['site_id']] = site
- site_user_ids.extend(site['person_ids'])
-
- existing_site_persons_list = self.driver.shell.GetPersons(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']:
- if site_id in sites:
- 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'])
- requested_user['email'] = 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'
- requested_user['email'] = fake_email
- users_dict[fake_email] = requested_user
-
- # 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.driver.shell.GetPersons(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).
- # Append by default.
- append = options.get('append', True)
- if append == False:
- for removed_user_id in removed_user_ids:
- self.driver.shell.DeletePersonFromSlice(removed_user_id, slice_record['name'])
- # update_existing users
- updated_users_list = [user for user in users_dict.values() if user['email'] in \
- updated_user_ids]
- self.verify_keys(existing_slice_users, updated_users_list, peer, options)
-
- 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.driver.shell.AddPerson(person)
- if peer:
- person['peer_person_id'] = added_user['person_id']
- added_persons.append(person)
-
- # enable the account
- self.driver.shell.UpdatePerson(person['person_id'], {'enabled': True})
-
- # add person to site
- self.driver.shell.AddPersonToSite(added_user_id, added_user['site'])
-
- for key_string in added_user.get('keys', []):
- key = {'key':key_string, 'key_type':'ssh'}
- key['key_id'] = self.driver.shell.AddPersonKey(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.driver.shell.AddPersonToSlice(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 verify_keys(self, persons, users, peer, options={}):
- # existing keys
- key_ids = []
- for person in persons:
- key_ids.extend(person['key_ids'])
- keylist = self.driver.shell.GetKeys(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 = []
+ url = slice_hrn
+ description = slice_hrn
+ slice = {'name': slice_name,
+ 'url': url,
+ 'description': description,
+ 'hrn': slice_hrn,
+ 'sfa_created': 'True',
+ #'expires': expires,
+ }
+ # add the slice
+ slice_id = self.driver.shell.AddSlice(slice)
+ # plcapi tends to mess with the incoming hrn so let's make sure
+ self.driver.shell.SetSliceHrn(slice_id, slice_hrn)
+ # cannot be set with AddSlice
+ # set the expiration
+ self.driver.shell.UpdateSlice(slice_id, {'expires': expires})
+
+ return self.driver.shell.GetSlices(slice_id)[0]
+
+ # in the following code, we use
+ # 'person' to denote a PLCAPI-like record with typically 'person_id' and 'email'
+ # 'user' to denote an incoming record with typically 'urn' and 'email' - we add 'hrn' in there
+ # 'slice_record': it seems like the first of these 'users' also contains a 'slice_record'
+ # key that holds stuff like 'hrn', 'slice_id', 'authority',...
+ #
+ def create_person_from_user(self, user, site_id):
+ user_hrn = user['hrn']
+ # the value to use if 'user' has no 'email' attached - or if the attached email already exists
+ # typically
+ (auth_hrn, _, leaf) = user_hrn.rpartition('.')
+ # somehow this has backslashes, get rid of them
+ auth_hrn = auth_hrn.replace('\\', '')
+ default_email = "{}@{}.stub".format(leaf, auth_hrn)
+
+ person_record = {
+ # required
+ 'first_name': user.get('first_name', user_hrn),
+ 'last_name': user.get('last_name', user_hrn),
+ 'email': user.get('email', default_email),
+ # our additions
+ 'enabled': True,
+ 'sfa_created': 'True',
+ 'hrn': user_hrn,
+ }
+
+ logger.debug(
+ "about to attempt to AddPerson with {}".format(person_record))
+ try:
+ # the thing is, the PLE db has a limitation on re-using the same e-mail
+ # in the case where people have an account on ple.upmc and then then come
+ # again from onelab.upmc, they will most likely have the same e-mail, and so kaboom..
+ # so we first try with the accurate email
+ person_id = int(self.driver.shell.AddPerson(person_record))
+ except:
+ logger.log_exc("caught during first attempt at AddPerson")
+ # and if that fails we start again with the email based on the hrn,
+ # which this time is unique..
+ person_record['email'] = default_email
+ logger.debug("second chance with email={}".format(
+ person_record['email']))
+ person_id = int(self.driver.shell.AddPerson(person_record))
+ self.driver.shell.AddRoleToPerson('user', person_id)
+ self.driver.shell.AddPersonToSite(person_id, site_id)
+ # plcapi tends to mess with the incoming hrn so let's make sure
+ self.driver.shell.SetPersonHrn(person_id, user_hrn)
+ # also 'enabled':True does not seem to pass through with AddPerson
+ self.driver.shell.UpdatePerson(person_id, {'enabled': True})
+
+ return person_id
+
+ def verify_persons(self, slice_hrn, slice_record,
+ users, sfa_peer, options=None):
+ if options is None:
+ options = {}
+
+ # first we annotate the incoming users arg with a 'hrn' key
+ for user in users:
+ user['hrn'], _ = urn_to_hrn(user['urn'])
+ # this is for retrieving users from a hrn
+ users_by_hrn = {user['hrn']: user for user in users}
+
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.driver.shell.UnBindObjectFromPeer('person', person['person_id'], peer['shortname'])
- key['key_id'] = self.driver.shell.AddPersonKey(user['email'], key)
- if peer:
- key_index = user_keys.index(key['key'])
- remote_key_id = user['key_ids'][key_index]
- self.driver.shell.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id)
-
- finally:
- if peer:
- self.driver.shell.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
-
- # remove old keys (only if we are not appending)
- append = options.get('append', True)
- 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.driver.shell.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
- self.driver.shell.DeleteKey(existing_key_id)
- except:
- pass
-
- def verify_slice_attributes(self, slice, requested_slice_attributes, options={}, admin=False):
- append = options.get('append', True)
- # get list of attributes users ar able to manage
+ logger.debug("incoming user {}".format(user))
+
+ # compute the hrn's for the authority and site
+ top_auth_hrn = top_auth(slice_hrn)
+ site_hrn = '.'.join(slice_hrn.split('.')[:-1])
+ slice_part = slice_hrn.split('.')[-1]
+ # deduce login_base and slice_name
+ if top_auth_hrn == self.driver.hrn:
+ login_base = slice_hrn.split('.')[-2][:12]
+ else:
+ login_base = hash_loginbase(site_hrn)
+ slice_name = '_'.join([login_base, slice_part])
+
+ # locate the site object
+ # due to a limitation in PLCAPI, we have to specify 'hrn' as part of
+ # the return fields
+ site = self.driver.shell.GetSites(
+ {'peer_id': None, 'hrn': site_hrn}, ['site_id', 'hrn'])[0]
+ site_id = site['site_id']
+
+ # locate the slice object
+ slice = self.driver.shell.GetSlices(
+ {'peer_id': None, 'hrn': slice_hrn},
+ ['slice_id', 'hrn', 'person_ids'])[0]
+ slice_id = slice['slice_id']
+ slice_person_ids = slice['person_ids']
+
+ # the common set of attributes for our calls to GetPersons
+ person_fields = ['person_id', 'email', 'hrn']
+
+ # for the intended set of hrns, locate existing persons
+ target_hrns = [user['hrn'] for user in users]
+ target_existing_persons = self.driver.shell.GetPersons(
+ {'peer_id': None, 'hrn': target_hrns}, person_fields)
+ target_existing_person_ids = [person['person_id']
+ for person in target_existing_persons]
+ # find out the hrns that *do not* have a corresponding person
+ existing_hrns = [person['hrn'] for person in target_existing_persons]
+ tocreate_hrns = set(target_hrns) - set(existing_hrns)
+ # create these
+ target_created_person_ids = [self.create_person_from_user(
+ users_by_hrn[hrn], site_id) for hrn in tocreate_hrns]
+
+ # we can partition the persons of interest into one of these 3 classes
+ add_person_ids = set(target_created_person_ids) | set(
+ target_existing_person_ids) - set(slice_person_ids)
+ keep_person_ids = set(
+ target_existing_person_ids) & set(slice_person_ids)
+ del_person_ids = set(slice_person_ids) - \
+ set(target_existing_person_ids)
+
+ # delete
+ for person_id in del_person_ids:
+ self.driver.shell.DeletePersonFromSlice(person_id, slice_id)
+
+ # about the last 2 sets, for managing keys, we need to trace back person_id -> user
+ # and for this we need all the Person objects; we already have the target_existing ones
+ # also we avoid issuing a call if possible
+ target_created_persons = [] if not target_created_person_ids \
+ else self.driver.shell.GetPersons(
+ {'peer_id': None, 'person_id': target_created_person_ids},
+ person_fields)
+ persons_by_person_id = {
+ person['person_id']: person
+ for person in target_existing_persons + target_created_persons}
+
+ def user_by_person_id(person_id):
+ person = persons_by_person_id[person_id]
+ hrn = person['hrn']
+ return users_by_hrn[hrn]
+
+ persons_to_verify_keys = {}
+ # add
+ for person_id in add_person_ids:
+ self.driver.shell.AddPersonToSlice(person_id, slice_id)
+ persons_to_verify_keys[person_id] = user_by_person_id(person_id)
+ # Update kept persons
+ for person_id in keep_person_ids:
+ persons_to_verify_keys[person_id] = user_by_person_id(person_id)
+ self.verify_keys(persons_to_verify_keys, options)
+
+ # return hrns of the newly added persons
+
+ return [persons_by_person_id[person_id]['hrn']
+ for person_id in add_person_ids]
+
+ def verify_keys(self, persons_to_verify_keys, options=None):
+ if options is None:
+ options = {}
+ # we only add keys that comes from sfa to persons in PL
+ for person_id in persons_to_verify_keys:
+ person_sfa_keys = persons_to_verify_keys[person_id].get('keys', [])
+ person_pl_keys = self.driver.shell.GetKeys(
+ {'person_id': int(person_id)})
+ person_pl_keys_list = [key['key'] for key in person_pl_keys]
+
+ keys_to_add = set(person_sfa_keys).difference(person_pl_keys_list)
+
+ for key_string in keys_to_add:
+ key = {'key': key_string, 'key_type': 'ssh'}
+ self.driver.shell.AddPersonKey(int(person_id), key)
+
+ def verify_slice_tags(self, slice, requested_slice_attributes,
+ options=None, admin=False):
+ """
+ This function deals with slice tags, and supports 3 modes described
+ in the 'pltags' option that can be either
+ (*) 'ignore' (default) - do nothing
+ (*) 'append' - only add incoming tags, that do not match an existing tag
+ (*) 'sync' - tries to do the plain wholesale thing,
+ i.e. to leave the db in sync with incoming tags
+ """
+ if options is None:
+ options = {}
+
+ # lookup 'pltags' in options to find out which mode is requested here
+ pltags = options.get('pltags', 'ignore')
+ # make sure the default is 'ignore'
+ if pltags not in ('ignore', 'append', 'sync'):
+ pltags = 'ignore'
+
+ if pltags == 'ignore':
+ logger.info(
+ 'verify_slice_tags in ignore mode - leaving slice tags as-is')
+ return
+
+ # incoming data (attributes) have a (name, value) pair
+ # while PLC data (tags) have a (tagname, value) pair
+ # we must be careful not to mix these up
+
+ # get list of tags users are able to manage - based on category
filter = {'category': '*slice*'}
if not admin:
filter['|roles'] = ['user']
- slice_attributes = self.driver.shell.GetTagTypes(filter)
- 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.driver.shell.GetSliceTags({'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:
+ valid_tag_types = self.driver.shell.GetTagTypes(filter)
+ valid_tag_names = [tag_type['tagname'] for tag_type in valid_tag_types]
+ logger.debug(
+ "verify_slice_attributes: valid names={}".format(valid_tag_names))
+
+ # get slice tags
+ slice_attributes_to_add = []
+ slice_tags_to_remove = []
+ # we need to keep the slice hrn anyway
+ ignored_slice_tag_names = ['hrn']
+ existing_slice_tags = self.driver.shell.GetSliceTags(
+ {'slice_id': slice['slice_id']})
+
+ # get tags that should be removed
+ for slice_tag in existing_slice_tags:
+ if slice_tag['tagname'] in ignored_slice_tag_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'])
+ ignored_slice_tag_names.append(slice_tag['tagname'])
+ tag_found = True
else:
- # If an existing slice attribute was not found in the request it should
+ # If an existing slice tag was not found in the request it should
# be removed
- attribute_found=False
+ tag_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
+ if (requested_attribute['name'] == slice_tag['tagname'] and
+ requested_attribute['value'] == slice_tag['value']):
+ tag_found = True
break
+ # remove tags only if not in append mode
+ if not tag_found and pltags != 'append':
+ slice_tags_to_remove.append(slice_tag)
- if not attribute_found and not append:
- removed_slice_attributes.append(slice_tag)
-
- # get attributes that should be added:
+ # get tags 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
+ if requested_attribute['name'] in valid_tag_names:
+ tag_found = False
+ for existing_attribute in existing_slice_tags:
+ if (requested_attribute['name'] == existing_attribute['tagname'] and \
+ requested_attribute['value'] == existing_attribute['value']):
+ tag_found = True
break
- if not attribute_found:
- added_slice_attributes.append(requested_attribute)
-
-
- # remove stale attributes
- for attribute in removed_slice_attributes:
+ if not tag_found:
+ slice_attributes_to_add.append(requested_attribute)
+
+ def friendly_message(tag_or_att):
+ name = tag_or_att[
+ 'tagname'] if 'tagname' in tag_or_att else tag_or_att['name']
+ return "SliceTag slice={}, tagname={} value={}, node_id={}"\
+ .format(slice['name'], tag_or_att['name'],
+ tag_or_att['value'], tag_or_att.get('node_id'))
+
+ # remove stale tags
+ for tag in slice_tags_to_remove:
try:
- self.driver.shell.DeleteSliceTag(attribute['slice_tag_id'])
- except Exception, e:
- logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
- % (slice['name'], attribute['value'], attribute.get('node_id'), str(e)))
-
- # add requested_attributes
- for attribute in added_slice_attributes:
+ logger.info("Removing Slice Tag {}".format(
+ friendly_message(tag)))
+ self.driver.shell.DeleteSliceTag(tag['slice_tag_id'])
+ except Exception as e:
+ logger.warning("Failed to remove slice tag {}\nCause:{}"
+ .format(friendly_message(tag), e))
+
+ # add requested_tags
+ for attribute in slice_attributes_to_add:
try:
- self.driver.shell.AddSliceTag(slice['name'], attribute['name'], attribute['value'], attribute.get('node_id', None))
- except Exception, e:
- logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
- % (slice['name'], attribute['value'], attribute.get('node_id'), str(e)))
-
+ logger.info("Adding Slice Tag {}".format(
+ friendly_message(attribute)))
+ self.driver.shell.AddSliceTag(
+ slice['name'], attribute['name'],
+ attribute['value'], attribute.get('node_id', None))
+ except Exception as e:
+ logger.warning("Failed to add slice tag {}\nCause:{}"
+ .format(friendly_message(attribute), e))