2 from sfa.util.xrn import Xrn, hrn_to_urn, urn_to_hrn
3 from sfa.util.sfatime import utcparse, datetime_to_string
4 from sfa.util.sfalogging import logger
6 from sfa.rspecs.rspec import RSpec
7 from sfa.rspecs.elements.hardware_type import HardwareType
8 from sfa.rspecs.elements.node import Node
9 from sfa.rspecs.elements.link import Link
10 from sfa.rspecs.elements.sliver import Sliver
11 from sfa.rspecs.elements.login import Login
12 from sfa.rspecs.elements.location import Location
13 from sfa.rspecs.elements.position_3d import Position3D
14 from sfa.rspecs.elements.interface import Interface
15 from sfa.rspecs.elements.services import Services
16 from sfa.rspecs.elements.pltag import PLTag
17 from sfa.rspecs.elements.lease import Lease
18 from sfa.rspecs.elements.granularity import Granularity
19 from sfa.rspecs.elements.channel import Channel
20 from sfa.rspecs.version_manager import VersionManager
22 from sfa.nitos.nitosxrn import NitosXrn, hostname_to_urn, hrn_to_nitos_slicename, slicename_to_hrn
23 from sfa.planetlab.vlink import get_tc_rate
24 from sfa.planetlab.topology import Topology
30 def __init__(self, driver):
34 def get_slice_and_slivers(self, slice_xrn):
36 Returns a dict of slivers keyed on the sliver's node_id
41 return (slice, slivers)
42 slice_urn = hrn_to_urn(slice_xrn, 'slice')
43 slice_hrn, _ = urn_to_hrn(slice_xrn)
44 slice_name = hrn_to_nitos_slicename(slice_hrn)
45 slices = self.driver.shell.getSlices({'slice_name': slice_name}, [])
48 if slc['slice_name'] == slice_name:
53 return (slice, slivers)
55 reserved_nodes = self.driver.shell.getReservedNodes({'slice_id': slice['slice_id']}, [])
56 reserved_node_ids = []
58 for node in reserved_nodes:
59 if node['slice_id'] == slice['slice_id']:
60 reserved_node_ids.append(node['node_id'])
62 all_nodes = self.driver.shell.getNodes({}, [])
64 for node in all_nodes:
65 if node['node_id'] in reserved_node_ids:
66 slivers[node['node_id']] = node
68 return (slice, slivers)
72 def get_nodes(self, slice_xrn, slice=None,slivers={}, options={}):
73 # if we are dealing with a slice that has no node just return
76 if not slice or not slivers:
79 nodes = [slivers[sliver] for sliver in slivers]
81 nodes = self.driver.shell.getNodes({}, [])
83 # get the granularity in second for the reservation system
84 grain = self.driver.testbedInfo['grain']
91 site_name = self.driver.testbedInfo['name']
92 rspec_node['component_id'] = hostname_to_urn(self.driver.hrn, site_name, node['hostname'])
93 rspec_node['component_name'] = node['hostname']
94 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
95 rspec_node['authority_id'] = hrn_to_urn(NitosXrn.site_hrn(self.driver.hrn, site_name), 'authority+sa')
96 # do not include boot state (<available> element) in the manifest rspec
98 # rspec_node['boot_state'] = node['boot_state']
99 rspec_node['exclusive'] = 'true'
101 longitude = self.driver.testbedInfo['longitude']
102 latitude = self.driver.testbedInfo['latitude']
103 if longitude and latitude:
104 location = Location({'longitude': longitude, 'latitude': latitude, 'country': 'unknown'})
105 rspec_node['location'] = location
107 position_3d = Position3D({'x': node['position']['X'], 'y': node['position']['Y'], 'z': node['position']['Z']})
108 #position_3d = Position3D({'x': 1, 'y': 2, 'z': 3})
109 rspec_node['position_3d'] = position_3d
111 granularity = Granularity({'grain': grain})
112 rspec_node['granularity'] = granularity
115 rspec_node['hardware_type'] = node['node_type']
116 #rspec_node['hardware_type'] = "orbit"
119 if node['node_id'] in slivers:
121 sliver = slivers[node['node_id']]
122 rspec_node['sliver_id'] = sliver['node_id']
123 rspec_node['client_id'] = node['hostname']
124 rspec_node['slivers'] = [sliver]
127 rspec_nodes.append(rspec_node)
130 def get_leases_and_channels(self, slice=None, slice_xrn=None, options={}):
132 slices = self.driver.shell.getSlices({}, [])
133 nodes = self.driver.shell.getNodes({}, [])
134 leases = self.driver.shell.getReservedNodes({}, [])
135 channels = self.driver.shell.getChannels({}, [])
136 reserved_channels = self.driver.shell.getReservedChannels()
137 grain = self.driver.testbedInfo['grain']
139 if slice_xrn and not slice:
144 all_leases.extend(leases)
145 all_reserved_channels = []
146 all_reserved_channels.extend(reserved_channels)
147 for lease in all_leases:
148 if lease['slice_id'] != slice['slice_id']:
150 for channel in all_reserved_channels:
151 if channel['slice_id'] != slice['slice_id']:
152 reserved_channels.remove(channel)
155 for channel in reserved_channels:
158 #retrieve channel number
160 if chl['channel_id'] == channel['channel_id']:
161 channel_number = chl['channel']
164 rspec_channel['channel_num'] = channel_number
165 rspec_channel['start_time'] = channel['start_time']
166 rspec_channel['duration'] = (int(channel['end_time']) - int(channel['start_time'])) / int(grain)
170 if slc['slice_id'] == channel['slice_id']:
171 slicename = slc['slice_name']
175 slice_urn = slice_xrn
176 slice_hrn = urn_to_hrn(slice_urn)
178 slice_hrn = slicename_to_hrn(self.driver.hrn, self.driver.testbedInfo['name'], slicename)
179 slice_urn = hrn_to_urn(slice_hrn, 'slice')
181 rspec_channel['slice_id'] = slice_urn
182 rspec_channels.append(rspec_channel)
188 rspec_lease = Lease()
190 rspec_lease['lease_id'] = lease['reservation_id']
193 if node['node_id'] == lease['node_id']:
194 nodename = node['hostname']
197 rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, self.driver.testbedInfo['name'], nodename)
200 if slc['slice_id'] == lease['slice_id']:
201 slicename = slc['slice_name']
205 slice_urn = slice_xrn
206 slice_hrn = urn_to_hrn(slice_urn)
208 slice_hrn = slicename_to_hrn(self.driver.hrn, self.driver.testbedInfo['name'], slicename)
209 slice_urn = hrn_to_urn(slice_hrn, 'slice')
211 rspec_lease['slice_id'] = slice_urn
212 rspec_lease['start_time'] = lease['start_time']
213 rspec_lease['duration'] = (int(lease['end_time']) - int(lease['start_time'])) / int(grain)
214 rspec_leases.append(rspec_lease)
216 return (rspec_leases, rspec_channels)
219 def get_channels(self, slice=None, options={}):
221 all_channels = self.driver.shell.getChannels({}, [])
224 reserved_channels = self.driver.shell.getReservedChannels()
225 reserved_channel_ids = []
226 for channel in reserved_channels:
227 if channel['slice_id'] == slice['slice_id']:
228 reserved_channel_ids.append(channel['channel_id'])
230 for channel in all_channels:
231 if channel['channel_id'] in reserved_channel_ids:
232 channels.append(channel)
234 channels = all_channels
237 for channel in channels:
238 rspec_channel = Channel()
239 rspec_channel['channel_num'] = channel['channel']
240 rspec_channel['frequency'] = channel['frequency']
241 rspec_channel['standard'] = channel['modulation']
242 rspec_channels.append(rspec_channel)
243 return rspec_channels
247 def get_rspec(self, slice_xrn=None, version = None, options={}):
249 version_manager = VersionManager()
250 version = version_manager.get_version(version)
253 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
255 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
257 slice, slivers = self.get_slice_and_slivers(slice_xrn)
259 rspec = RSpec(version=rspec_version, user_options=options)
261 if slice and 'expires' in slice:
262 rspec.xml.set('expires', datetime_to_string(utcparse(slice['expires'])))
264 if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases':
265 nodes = self.get_nodes(slice_xrn, slice, slivers, options)
266 rspec.version.add_nodes(nodes)
267 # add sliver defaults
268 default_sliver = slivers.get(None, [])
270 default_sliver_attribs = default_sliver.get('tags', [])
271 for attrib in default_sliver_attribs:
273 rspec.version.add_default_sliver_attribute(attrib['tagname'], attrib['value'])
275 channels = self.get_channels(slice, options)
276 rspec.version.add_channels(channels)
278 if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources':
279 leases, channels = self.get_leases_and_channels(slice, slice_xrn)
280 rspec.version.add_leases(leases, channels)