2 from collections import defaultdict
3 from sfa.util.xrn import Xrn, hrn_to_urn, urn_to_hrn
4 from sfa.util.sfatime import utcparse, datetime_to_string
5 from sfa.util.sfalogging import logger
6 from sfa.util.faults import SliverDoesNotExist
7 from sfa.rspecs.rspec import RSpec
8 from sfa.rspecs.elements.hardware_type import HardwareType
9 from sfa.rspecs.elements.node import Node
10 from sfa.rspecs.elements.link import Link
11 from sfa.rspecs.elements.sliver import Sliver
12 from sfa.rspecs.elements.login import Login
13 from sfa.rspecs.elements.location import Location
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.version_manager import VersionManager
21 from sfa.planetlab.plxrn import PlXrn, hostname_to_urn, hrn_to_pl_slicename, slicename_to_hrn
22 from sfa.planetlab.vlink import get_tc_rate
23 from sfa.planetlab.topology import Topology
24 from sfa.storage.alchemy import dbsession
25 from sfa.storage.model import SliverAllocation
32 def __init__(self, driver):
35 def get_nodes(self, options={}):
36 filter = {'peer_id': None}
37 geni_available = options.get('geni_available')
38 if geni_available == True:
39 filter['boot_state'] = 'boot'
40 nodes = self.driver.shell.GetNodes(filter)
44 def get_sites(self, filter={}):
46 for site in self.driver.shell.GetSites(filter):
47 sites[site['site_id']] = site
50 def get_interfaces(self, filter={}):
52 for interface in self.driver.shell.GetInterfaces(filter):
54 if interface['bwlimit']:
55 interface['bwlimit'] = str(int(interface['bwlimit'])/1000)
56 interfaces[interface['interface_id']] = interface
59 def get_links(self, sites, nodes, interfaces):
63 for (site_id1, site_id2) in topology:
64 site_id1 = int(site_id1)
65 site_id2 = int(site_id2)
67 if not site_id1 in sites or site_id2 not in sites:
69 site1 = sites[site_id1]
70 site2 = sites[site_id2]
72 site1_hrn = self.driver.hrn + '.' + site1['login_base']
73 site2_hrn = self.driver.hrn + '.' + site2['login_base']
75 for s1_node_id in site1['node_ids']:
76 for s2_node_id in site2['node_ids']:
77 if s1_node_id not in nodes or s2_node_id not in nodes:
79 node1 = nodes[s1_node_id]
80 node2 = nodes[s2_node_id]
82 # just get first interface of the first node
83 if1_xrn = PlXrn(auth=self.driver.hrn, interface='node%s:eth0' % (node1['node_id']))
84 if1_ipv4 = interfaces[node1['interface_ids'][0]]['ip']
85 if2_xrn = PlXrn(auth=self.driver.hrn, interface='node%s:eth0' % (node2['node_id']))
86 if2_ipv4 = interfaces[node2['interface_ids'][0]]['ip']
88 if1 = Interface({'component_id': if1_xrn.urn, 'ipv4': if1_ipv4} )
89 if2 = Interface({'component_id': if2_xrn.urn, 'ipv4': if2_ipv4} )
92 link = Link({'capacity': '1000000', 'latency': '0', 'packet_loss': '0', 'type': 'ipv4'})
93 link['interface1'] = if1
94 link['interface2'] = if2
95 link['component_name'] = "%s:%s" % (site1['login_base'], site2['login_base'])
96 link['component_id'] = PlXrn(auth=self.driver.hrn, interface=link['component_name']).get_urn()
97 link['component_manager_id'] = hrn_to_urn(self.driver.hrn, 'authority+am')
102 def get_node_tags(self, filter={}):
104 for node_tag in self.driver.shell.GetNodeTags(filter):
105 node_tags[node_tag['node_tag_id']] = node_tag
108 def get_pl_initscripts(self, filter={}):
110 filter.update({'enabled': True})
111 for initscript in self.driver.shell.GetInitScripts(filter):
112 pl_initscripts[initscript['initscript_id']] = initscript
113 return pl_initscripts
115 def get_slivers(self, urns, options={}):
121 if xrn.type == 'sliver':
122 # id: slice_id-node_id
123 id_parts = xrn.leaf.split('-')
124 slice_ids.add(id_parts[0])
125 node_ids.append(id_parts[1])
127 names.add(xrn.pl_slicename())
133 filter['name'] = list(names)
135 filter['slice_id'] = list(slice_ids)
136 slices = self.driver.shell.GetSlices(filter)
141 slice['node_ids'] = node_ids
142 tags_dict = self.get_slice_tags(slice)
143 nodes_dict = self.get_slice_nodes(slice, options)
145 for node in nodes_dict.values():
146 node.update(slices[0])
147 node['tags'] = tags_dict[node['node_id']]
148 sliver_hrn = '%s.%s-%s' % (self.driver.hrn, slice['slice_id'], node['node_id'])
149 node['sliver_id'] = Xrn(sliver_hrn, type='sliver').urn
150 node['urn'] = node['sliver_id']
154 def node_to_rspec_node(self, node, sites, interfaces, node_tags, pl_initscripts=[], grain=None, options={}):
156 # xxx how to retrieve site['login_base']
157 site=sites[node['site_id']]
158 rspec_node['component_id'] = hostname_to_urn(self.driver.hrn, site['login_base'], node['hostname'])
159 rspec_node['component_name'] = node['hostname']
160 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
161 rspec_node['authority_id'] = hrn_to_urn(PlXrn.site_hrn(self.driver.hrn, site['login_base']), 'authority+sa')
162 # do not include boot state (<available> element) in the manifest rspec
163 rspec_node['boot_state'] = node['boot_state']
164 if node['boot_state'] == 'boot':
165 rspec_node['available'] = 'true'
167 rspec_node['available'] = 'false'
168 rspec_node['exclusive'] = 'false'
169 rspec_node['hardware_types'] = [HardwareType({'name': 'plab-pc'}),
170 HardwareType({'name': 'pc'})]
171 # only doing this because protogeni rspec needs
172 # to advertise available initscripts
173 rspec_node['pl_initscripts'] = pl_initscripts.values()
174 # add site/interface info to nodes.
175 # assumes that sites, interfaces and tags have already been prepared.
176 if site['longitude'] and site['latitude']:
177 location = Location({'longitude': site['longitude'], 'latitude': site['latitude'], 'country': 'unknown'})
178 rspec_node['location'] = location
180 granularity = Granularity({'grain': grain})
181 rspec_node['granularity'] = granularity
182 rspec_node['interfaces'] = []
184 for if_id in node['interface_ids']:
185 interface = Interface(interfaces[if_id])
186 interface['ipv4'] = interface['ip']
187 interface['component_id'] = PlXrn(auth=self.driver.hrn,
188 interface='node%s:eth%s' % (node['node_id'], if_count)).get_urn()
189 # interfaces in the manifest need a client id
191 interface['client_id'] = "%s:%s" % (node['node_id'], if_id)
192 rspec_node['interfaces'].append(interface)
194 tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
195 rspec_node['tags'] = tags
198 def sliver_to_rspec_node(self, sliver, sites, interfaces, node_tags, pl_initscripts):
199 # get the granularity in second for the reservation system
200 grain = self.driver.shell.GetLeaseGranularity()
201 rspec_node = self.node_to_rspec_node(sliver, sites, interfaces, node_tags, pl_initscripts, grain)
202 # xxx how to retrieve site['login_base']
203 rspec_node['expires'] = datetime_to_string(utcparse(sliver['expires']))
204 # remove interfaces from manifest
205 rspec_node['interfaces'] = []
207 rspec_sliver = Sliver({'sliver_id': sliver['urn'],
208 'name': sliver['name'],
209 'type': 'plab-vserver',
211 rspec_node['sliver_id'] = rspec_sliver['sliver_id']
212 rspec_node['client_id'] = sliver['hostname']
213 rspec_node['slivers'] = [rspec_sliver]
215 # slivers always provide the ssh service
216 login = Login({'authentication': 'ssh-keys', 'hostname': sliver['hostname'], 'port':'22', 'username': sliver['name']})
217 service = Services({'login': login})
218 rspec_node['services'] = [service]
221 def get_slice_tags(self, slice):
223 slice_tag_ids.extend(slice['slice_tag_ids'])
224 tags = self.driver.shell.GetSliceTags({'slice_tag_id': slice_tag_ids})
226 tags_dict = defaultdict(list)
228 tags_dict[tag['node_id']] = tag
231 def get_slice_nodes(self, slice, options={}):
233 filter = {'peer_id': None}
235 if slice and slice.get('node_ids'):
236 filter['node_id'] = slice['node_ids']
238 # there are no nodes to look up
240 tags_filter=filter.copy()
241 geni_available = options.get('geni_available')
242 if geni_available == True:
243 filter['boot_state'] = 'boot'
244 nodes = self.driver.shell.GetNodes(filter)
246 nodes_dict[node['node_id']] = node
249 def rspec_node_to_geni_sliver(self, rspec_node, sliver_allocations = {}):
250 if rspec_node['sliver_id'] in sliver_allocations:
251 # set sliver allocation and operational status
252 sliver_allocation = sliver_allocations[rspec_node['sliver_id']]
253 if sliver_allocation:
254 allocation_status = sliver_allocation.allocation_state
255 if allocation_status == 'geni_allocated':
256 op_status = 'geni_pending_allocation'
257 elif allocation_status == 'geni_provisioned':
258 if rspec_node['boot_state'] == 'boot':
259 op_status = 'geni_ready'
261 op_status = 'geni_failed'
263 op_status = 'geni_unknown'
265 allocation_status = 'geni_unallocated'
267 geni_sliver = {'geni_sliver_urn': rspec_node['sliver_id'],
268 'geni_expires': rspec_node['expires'],
269 'geni_allocation_status' : allocation_status,
270 'geni_operational_status': op_status,
275 def get_leases(self, slice=None, options={}):
277 now = int(time.time())
279 filter.update({'clip':now})
281 filter.update({'name':slice['name']})
282 return_fields = ['lease_id', 'hostname', 'site_id', 'name', 't_from', 't_until']
283 leases = self.driver.shell.GetLeases(filter)
284 grain = self.driver.shell.GetLeaseGranularity()
288 site_ids.append(lease['site_id'])
291 sites_dict = self.get_sites({'site_id': site_ids})
296 rspec_lease = Lease()
298 # xxx how to retrieve site['login_base']
299 site_id=lease['site_id']
300 site=sites_dict[site_id]
302 rspec_lease['lease_id'] = lease['lease_id']
303 rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, site['login_base'], lease['hostname'])
304 slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name'])
305 slice_urn = hrn_to_urn(slice_hrn, 'slice')
306 rspec_lease['slice_id'] = slice_urn
307 rspec_lease['start_time'] = lease['t_from']
308 rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) / grain
309 rspec_leases.append(rspec_lease)
313 def list_resources(self, version = None, options={}):
315 version_manager = VersionManager()
316 version = version_manager.get_version(version)
317 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
318 rspec = RSpec(version=rspec_version, user_options=options)
320 if not options.get('list_leases') or options['list_leases'] != 'leases':
322 nodes = self.get_nodes(options)
328 site_ids.append(node['site_id'])
329 interface_ids.extend(node['interface_ids'])
330 tag_ids.extend(node['node_tag_ids'])
331 nodes_dict[node['node_id']] = node
332 sites = self.get_sites({'site_id': site_ids})
333 interfaces = self.get_interfaces({'interface_id':interface_ids})
334 node_tags = self.get_node_tags({'node_tag_id': tag_ids})
335 pl_initscripts = self.get_pl_initscripts()
336 # convert nodes to rspec nodes
339 rspec_node = self.node_to_rspec_node(node, sites, interfaces, node_tags, pl_initscripts)
340 rspec_nodes.append(rspec_node)
341 rspec.version.add_nodes(rspec_nodes)
344 links = self.get_links(sites, nodes_dict, interfaces)
345 rspec.version.add_links(links)
348 def describe(self, urns, version=None, options={}):
349 version_manager = VersionManager()
350 version = version_manager.get_version(version)
351 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
352 rspec = RSpec(version=rspec_version, user_options=options)
356 slivers = self.get_slivers(urns, options)
358 rspec_expires = datetime_to_string(utcparse(slivers[0]['expires']))
360 rspec_expires = datetime_to_string(utcparse(time.time()))
361 rspec.xml.set('expires', rspec_expires)
363 # lookup the sliver allocations
364 sliver_ids = [sliver['sliver_id'] for sliver in slivers]
365 constraint = SliverAllocation.sliver_id.in_(sliver_ids)
366 sliver_allocations = dbsession.query(SliverAllocation).filter(constraint)
367 sliver_allocation_dict = {}
368 for sliver_allocation in sliver_allocations:
369 sliver_allocation_dict[sliver_allocation.sliver_id] = sliver_allocation
371 if not options.get('list_leases') or options['list_leases'] != 'leases':
377 for sliver in slivers:
378 site_ids.append(sliver['site_id'])
379 interface_ids.extend(sliver['interface_ids'])
380 tag_ids.extend(sliver['node_tag_ids'])
381 nodes_dict[sliver['node_id']] = sliver
382 sites = self.get_sites({'site_id': site_ids})
383 interfaces = self.get_interfaces({'interface_id':interface_ids})
384 node_tags = self.get_node_tags({'node_tag_id': tag_ids})
385 pl_initscripts = self.get_pl_initscripts()
387 for sliver in slivers:
388 if sliver['slice_ids_whitelist'] and sliver['slice_id'] not in sliver['slice_ids_whitelist']:
390 rspec_node = self.sliver_to_rspec_node(sliver, sites, interfaces, node_tags, pl_initscripts)
391 # manifest node element shouldn't contain available attribute
392 rspec_node.pop('available')
393 rspec_nodes.append(rspec_node)
394 geni_sliver = self.rspec_node_to_geni_sliver(rspec_node, sliver_allocation_dict)
395 geni_slivers.append(geni_sliver)
396 rspec.version.add_nodes(rspec_nodes)
398 # add sliver defaults
399 #default_sliver = slivers.get(None, [])
401 # default_sliver_attribs = default_sliver.get('tags', [])
402 # for attrib in default_sliver_attribs:
403 # rspec.version.add_default_sliver_attribute(attrib['tagname'], attrib['value'])
406 links = self.get_links(sites, nodes_dict, interfaces)
407 rspec.version.add_links(links)
409 if not options.get('list_leases') or options['list_leases'] != 'resources':
411 leases = self.get_leases(slivers[0])
412 rspec.version.add_leases(leases)
415 return {'geni_urn': urns[0],
416 'geni_rspec': rspec.toxml(),
417 'geni_slivers': geni_slivers}