1 from collections import defaultdict
3 from sfa.util.sfatime import utcparse, datetime_to_epoch
4 from sfa.util.sfalogging import logger
5 from sfa.util.xrn import Xrn, get_leaf, get_authority, urn_to_hrn
7 from sfa.rspecs.rspec import RSpec
9 from sfa.nitos.nitosxrn import NitosXrn, hrn_to_nitos_slicename, xrn_to_hostname, xrn_to_channel
15 def __init__(self, driver):
19 def get_sfa_peer(self, xrn):
20 hrn, type = urn_to_hrn(xrn)
22 # return the authority for this hrn or None if we are the authority
24 slice_authority = get_authority(hrn)
25 site_authority = get_authority(slice_authority)
27 if site_authority != self.driver.hrn:
28 sfa_peer = site_authority
32 def verify_slice_leases_nodes(self, slice, rspec_requested_nodes):
33 nodes = self.driver.shell.getNodes({}, [])
36 for node in rspec_requested_nodes:
39 nitos_nodes.extend(nodes)
40 slice_name = hrn_to_nitos_slicename(node['slice_id'])
41 if slice_name != slice['slice_name']:
43 hostname = xrn_to_hostname(node['component_id'])
44 nitos_node = self.driver.filter_nitos_results(nitos_nodes, {'hostname': hostname})
47 nitos_node = nitos_node[0]
48 # fill the requested node with nitos ids
49 requested_node['slice_id'] = slice['slice_id']
50 requested_node['node_id'] = nitos_node['node_id']
51 requested_node['start_time'] = node['start_time']
52 requested_node['end_time'] = str(int(node['duration']) * int(self.driver.testbedInfo['grain']) + int(node['start_time']))
53 requested_nodes.append(requested_node)
55 # get actual nodes reservation data for the slice
56 reserved_nodes = self.driver.filter_nitos_results(self.driver.shell.getReservedNodes({}, []), {'slice_id': slice['slice_id']})
58 reserved_nodes_by_id = {}
59 for node in reserved_nodes:
60 reserved_nodes_by_id[node['reservation_id']] = {'slice_id': node['slice_id'], \
61 'node_id': node['node_id'], 'start_time': node['start_time'], \
62 'end_time': node['end_time']}
67 for reservation_id in reserved_nodes_by_id:
68 if reserved_nodes_by_id[reservation_id] not in requested_nodes:
69 deleted_nodes_id.append(reservation_id)
71 kept_nodes_id.append(reservation_id)
72 requested_nodes.remove(reserved_nodes_by_id[reservation_id])
73 added_nodes = requested_nodes
77 deleted=self.driver.shell.releaseNodes({'reservation_ids': deleted_nodes_id})
78 for node in added_nodes:
79 added=self.driver.shell.reserveNodes({'slice_id': slice['slice_id'], 'start_time': node['start_time'], 'end_time': node['end_time'], 'nodes': [node['node_id']]})
82 logger.log_exc('Failed to add/remove slice leases nodes')
87 def verify_slice_leases_channels(self, slice, rspec_requested_channels):
88 channels = self.driver.shell.getChannels({}, [])
90 requested_channels = []
91 for channel in rspec_requested_channels:
92 requested_channel = {}
94 nitos_channels.extend(channels)
95 slice_name = hrn_to_nitos_slicename(channel['slice_id'])
96 if slice_name != slice['slice_name']:
98 channel_num = xrn_to_channel(channel['component_id'])
99 nitos_channel = self.driver.filter_nitos_results(nitos_channels, {'channel': channel_num})[0]
100 # fill the requested channel with nitos ids
101 requested_channel['slice_id'] = slice['slice_id']
102 requested_channel['channel_id'] = nitos_channel['channel_id']
103 requested_channel['start_time'] = channel['start_time']
104 requested_channel['end_time'] = str(int(channel['duration']) * int(self.driver.testbedInfo['grain']) + int(channel['start_time']))
105 requested_channels.append(requested_channel)
107 # get actual channel reservation data for the slice
108 reserved_channels = self.driver.filter_nitos_results(self.driver.shell.getReservedChannels(), {'slice_id': slice['slice_id']})
110 reserved_channels_by_id = {}
111 for channel in reserved_channels:
112 reserved_channels_by_id[channel['reservation_id']] = {'slice_id': channel['slice_id'], \
113 'channel_id': channel['channel_id'], 'start_time': channel['start_time'], \
114 'end_time': channel['end_time']}
117 kept_channels_id = []
118 deleted_channels_id = []
119 for reservation_id in reserved_channels_by_id:
120 if reserved_channels_by_id[reservation_id] not in requested_channels:
121 deleted_channels_id.append(reservation_id)
123 kept_channels_id.append(reservation_id)
124 requested_channels.remove(reserved_channels_by_id[reservation_id])
125 added_channels = requested_channels
129 deleted=self.driver.shell.releaseChannels({'reservation_ids': deleted_channels_id})
130 for channel in added_channels:
131 added=self.driver.shell.reserveChannels({'slice_id': slice['slice_id'], 'start_time': channel['start_time'], 'end_time': channel['end_time'], 'channels': [channel['channel_id']]})
134 logger.log_exc('Failed to add/remove slice leases channels')
136 return added_channels
139 def free_egre_key(self):
141 for tag in self.driver.shell.GetSliceTags({'tagname': 'egre_key'}):
142 used.add(int(tag['value']))
144 for i in range(1, 256):
149 raise KeyError("No more EGRE keys available")
155 def verify_slice(self, slice_hrn, slice_record, sfa_peer, options=None):
156 if options is None: options={}
157 slicename = hrn_to_nitos_slicename(slice_hrn)
158 slices = self.driver.shell.getSlices({}, [])
159 slices = self.driver.filter_nitos_results(slices, {'slice_name': slicename})
161 slice = {'slice_name': slicename}
163 slice['slice_id'] = self.driver.shell.addSlice(slice)
164 slice['node_ids'] = []
165 slice['user_ids'] = []
171 def verify_users(self, slice_hrn, slice_record, users, sfa_peer, options=None):
172 if options is None: options={}
174 slicename = hrn_to_nitos_slicename(slice_hrn)
175 slices = self.driver.shell.getSlices({}, [])
176 slice = self.driver.filter_nitos_results(slices, {'slice_name': slicename})[0]
181 user_urn = user['urn']
182 user_hrn, type = urn_to_hrn(user_urn)
183 username = str(user_hrn).split('.')[-1]
184 email = user['email']
185 # look for the user according to his username, email...
186 nitos_users = self.driver.filter_nitos_results(self.driver.shell.getUsers(), {'username': username})
188 nitos_users = self.driver.filter_nitos_results(self.driver.shell.getUsers(), {'email': email})
192 user_id = self.driver.shell.addUser({'username': email.split('@')[0], 'email': email})
193 added_users.append(user_id)
195 for key in user['keys']:
196 self.driver.shell.addUserKey({'user_id': user_id, 'key': key, 'slice_id': slice['slice_id']})
197 # add the user to the slice
198 self.driver.shell.addUserToSlice({'slice_id': slice['slice_id'], 'user_id': user_id})
200 # check if the users are in the slice
201 for user in nitos_users:
202 if not user['user_id'] in slice['user_ids']:
203 self.driver.shell.addUserToSlice({'slice_id': slice['slice_id'], 'user_id': user['user_id']})
208 def verify_keys(self, persons, users, options=None):
209 if options is None: options={}
212 for person in persons:
213 key_ids.extend(person['key_ids'])
214 keylist = self.driver.shell.GetKeys(key_ids, ['key_id', 'key'])
217 keydict[key['key']] = key['key_id']
218 existing_keys = keydict.keys()
220 for person in persons:
221 persondict[person['email']] = person
227 user_keys = user.get('keys', [])
228 updated_persons.append(user)
229 for key_string in user_keys:
230 requested_keys.append(key_string)
231 if key_string not in existing_keys:
232 key = {'key': key_string, 'key_type': 'ssh'}
235 person = persondict[user['email']]
236 self.driver.shell.UnBindObjectFromPeer('person', person['person_id'], peer['shortname'])
237 key['key_id'] = self.driver.shell.AddPersonKey(user['email'], key)
239 key_index = user_keys.index(key['key'])
240 remote_key_id = user['key_ids'][key_index]
241 self.driver.shell.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id)
245 self.driver.shell.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
247 # remove old keys (only if we are not appending)
248 append = options.get('append', True)
250 removed_keys = set(existing_keys).difference(requested_keys)
251 for existing_key_id in keydict:
252 if keydict[existing_key_id] in removed_keys:
255 self.driver.shell.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
256 self.driver.shell.DeleteKey(existing_key_id)