1 from types import StringTypes
2 from collections import defaultdict
4 from sfa.util.sfatime import utcparse, datetime_to_epoch
5 from sfa.util.sfalogging import logger
6 from sfa.util.xrn import Xrn, get_leaf, get_authority, urn_to_hrn
8 from sfa.rspecs.rspec import RSpec
10 from sfa.nitos.nitosxrn import NitosXrn, hrn_to_nitos_slicename, xrn_to_hostname, xrn_to_channel
16 def __init__(self, driver):
20 def get_sfa_peer(self, xrn):
21 hrn, type = urn_to_hrn(xrn)
23 # return the authority for this hrn or None if we are the authority
25 slice_authority = get_authority(hrn)
26 site_authority = get_authority(slice_authority)
28 if site_authority != self.driver.hrn:
29 sfa_peer = site_authority
33 def verify_slice_leases_nodes(self, slice, rspec_requested_nodes):
34 nodes = self.driver.shell.getNodes({}, [])
37 for node in rspec_requested_nodes:
40 nitos_nodes.extend(nodes)
41 slice_name = hrn_to_nitos_slicename(node['slice_id'])
42 if slice_name != slice['slice_name']:
44 hostname = xrn_to_hostname(node['component_id'])
45 nitos_node = self.driver.filter_nitos_results(nitos_nodes, {'hostname': hostname})
48 nitos_node = nitos_node[0]
49 # fill the requested node with nitos ids
50 requested_node['slice_id'] = slice['slice_id']
51 requested_node['node_id'] = nitos_node['node_id']
52 requested_node['start_time'] = node['start_time']
53 requested_node['end_time'] = str(int(node['duration']) * int(self.driver.testbedInfo['grain']) + int(node['start_time']))
54 requested_nodes.append(requested_node)
56 # get actual nodes reservation data for the slice
57 reserved_nodes = self.driver.filter_nitos_results(self.driver.shell.getReservedNodes({}, []), {'slice_id': slice['slice_id']})
59 reserved_nodes_by_id = {}
60 for node in reserved_nodes:
61 reserved_nodes_by_id[node['reservation_id']] = {'slice_id': node['slice_id'], \
62 'node_id': node['node_id'], 'start_time': node['start_time'], \
63 'end_time': node['end_time']}
68 for reservation_id in reserved_nodes_by_id:
69 if reserved_nodes_by_id[reservation_id] not in requested_nodes:
70 deleted_nodes_id.append(reservation_id)
72 kept_nodes_id.append(reservation_id)
73 requested_nodes.remove(reserved_nodes_by_id[reservation_id])
74 added_nodes = requested_nodes
78 deleted=self.driver.shell.releaseNodes({'reservation_ids': deleted_nodes_id})
79 for node in added_nodes:
80 added=self.driver.shell.reserveNodes({'slice_id': slice['slice_id'], 'start_time': node['start_time'], 'end_time': node['end_time'], 'nodes': [node['node_id']]})
83 logger.log_exc('Failed to add/remove slice leases nodes')
88 def verify_slice_leases_channels(self, slice, rspec_requested_channels):
89 channels = self.driver.shell.getChannels({}, [])
91 requested_channels = []
92 for channel in rspec_requested_channels:
93 requested_channel = {}
95 nitos_channels.extend(channels)
96 slice_name = hrn_to_nitos_slicename(channel['slice_id'])
97 if slice_name != slice['slice_name']:
99 channel_num = xrn_to_channel(channel['component_id'])
100 nitos_channel = self.driver.filter_nitos_results(nitos_channels, {'channel': channel_num})[0]
101 # fill the requested channel with nitos ids
102 requested_channel['slice_id'] = slice['slice_id']
103 requested_channel['channel_id'] = nitos_channel['channel_id']
104 requested_channel['start_time'] = channel['start_time']
105 requested_channel['end_time'] = str(int(channel['duration']) * int(self.driver.testbedInfo['grain']) + int(channel['start_time']))
106 requested_channels.append(requested_channel)
108 # get actual channel reservation data for the slice
109 reserved_channels = self.driver.filter_nitos_results(self.driver.shell.getReservedChannels(), {'slice_id': slice['slice_id']})
111 reserved_channels_by_id = {}
112 for channel in reserved_channels:
113 reserved_channels_by_id[channel['reservation_id']] = {'slice_id': channel['slice_id'], \
114 'channel_id': channel['channel_id'], 'start_time': channel['start_time'], \
115 'end_time': channel['end_time']}
118 kept_channels_id = []
119 deleted_channels_id = []
120 for reservation_id in reserved_channels_by_id:
121 if reserved_channels_by_id[reservation_id] not in requested_channels:
122 deleted_channels_id.append(reservation_id)
124 kept_channels_id.append(reservation_id)
125 requested_channels.remove(reserved_channels_by_id[reservation_id])
126 added_channels = requested_channels
130 deleted=self.driver.shell.releaseChannels({'reservation_ids': deleted_channels_id})
131 for channel in added_channels:
132 added=self.driver.shell.reserveChannels({'slice_id': slice['slice_id'], 'start_time': channel['start_time'], 'end_time': channel['end_time'], 'channels': [channel['channel_id']]})
135 logger.log_exc('Failed to add/remove slice leases channels')
137 return added_channels
140 def free_egre_key(self):
142 for tag in self.driver.shell.GetSliceTags({'tagname': 'egre_key'}):
143 used.add(int(tag['value']))
145 for i in range(1, 256):
150 raise KeyError("No more EGRE keys available")
156 def verify_slice(self, slice_hrn, slice_record, sfa_peer, 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={}):
173 slicename = hrn_to_nitos_slicename(slice_hrn)
174 slices = self.driver.shell.getSlices({}, [])
175 slice = self.driver.filter_nitos_results(slices, {'slice_name': slicename})[0]
180 user_urn = user['urn']
181 user_hrn, type = urn_to_hrn(user_urn)
182 username = str(user_hrn).split('.')[-1]
183 email = user['email']
184 # look for the user according to his username, email...
185 nitos_users = self.driver.filter_nitos_results(self.driver.shell.getUsers(), {'username': username})
187 nitos_users = self.driver.filter_nitos_results(self.driver.shell.getUsers(), {'email': email})
191 user_id = self.driver.shell.addUser({'username': email.split('@')[0], 'email': email})
192 added_users.append(user_id)
194 for key in user['keys']:
195 self.driver.shell.addUserKey({'user_id': user_id, 'key': key, 'slice_id': slice['slice_id']})
196 # add the user to the slice
197 self.driver.shell.addUserToSlice({'slice_id': slice['slice_id'], 'user_id': user_id})
199 # check if the users are in the slice
200 for user in nitos_users:
201 if not user['user_id'] in slice['user_ids']:
202 self.driver.shell.addUserToSlice({'slice_id': slice['slice_id'], 'user_id': user['user_id']})
207 def verify_keys(self, persons, users, options={}):
210 for person in persons:
211 key_ids.extend(person['key_ids'])
212 keylist = self.driver.shell.GetKeys(key_ids, ['key_id', 'key'])
215 keydict[key['key']] = key['key_id']
216 existing_keys = keydict.keys()
218 for person in persons:
219 persondict[person['email']] = person
225 user_keys = user.get('keys', [])
226 updated_persons.append(user)
227 for key_string in user_keys:
228 requested_keys.append(key_string)
229 if key_string not in existing_keys:
230 key = {'key': key_string, 'key_type': 'ssh'}
233 person = persondict[user['email']]
234 self.driver.shell.UnBindObjectFromPeer('person', person['person_id'], peer['shortname'])
235 key['key_id'] = self.driver.shell.AddPersonKey(user['email'], key)
237 key_index = user_keys.index(key['key'])
238 remote_key_id = user['key_ids'][key_index]
239 self.driver.shell.BindObjectToPeer('key', key['key_id'], peer['shortname'], remote_key_id)
243 self.driver.shell.BindObjectToPeer('person', person['person_id'], peer['shortname'], user['person_id'])
245 # remove old keys (only if we are not appending)
246 append = options.get('append', True)
248 removed_keys = set(existing_keys).difference(requested_keys)
249 for existing_key_id in keydict:
250 if keydict[existing_key_id] in removed_keys:
253 self.driver.shell.UnBindObjectFromPeer('key', existing_key_id, peer['shortname'])
254 self.driver.shell.DeleteKey(existing_key_id)