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.interface import Interface
14 from sfa.rspecs.elements.services import Services
15 from sfa.rspecs.elements.pltag import PLTag
16 from sfa.rspecs.elements.lease import Lease
17 from sfa.rspecs.elements.granularity import Granularity
18 from sfa.rspecs.version_manager import VersionManager
20 from sfa.planetlab.plxrn import PlXrn, hostname_to_urn, hrn_to_pl_slicename, slicename_to_hrn
21 from sfa.planetlab.vlink import get_tc_rate
22 from sfa.planetlab.topology import Topology
28 def __init__(self, driver):
31 def get_sites(self, filter={}):
33 for site in self.driver.shell.GetSites(filter):
34 sites[site['site_id']] = site
37 def get_interfaces(self, filter={}):
39 for interface in self.driver.shell.GetInterfaces(filter):
41 if interface['bwlimit']:
42 interface['bwlimit'] = str(int(interface['bwlimit'])/1000)
43 interfaces[interface['interface_id']] = interface
46 def get_links(self, sites, nodes, interfaces):
50 for (site_id1, site_id2) in topology:
51 site_id1 = int(site_id1)
52 site_id2 = int(site_id2)
54 if not site_id1 in sites or site_id2 not in sites:
56 site1 = sites[site_id1]
57 site2 = sites[site_id2]
59 site1_hrn = self.driver.hrn + '.' + site1['login_base']
60 site2_hrn = self.driver.hrn + '.' + site2['login_base']
62 for s1_node_id in site1['node_ids']:
63 for s2_node_id in site2['node_ids']:
64 if s1_node_id not in nodes or s2_node_id not in nodes:
66 node1 = nodes[s1_node_id]
67 node2 = nodes[s2_node_id]
69 # just get first interface of the first node
70 if1_xrn = PlXrn(auth=self.driver.hrn, interface='node%s:eth0' % (node1['node_id']))
71 if1_ipv4 = interfaces[node1['interface_ids'][0]]['ip']
72 if2_xrn = PlXrn(auth=self.driver.hrn, interface='node%s:eth0' % (node2['node_id']))
73 if2_ipv4 = interfaces[node2['interface_ids'][0]]['ip']
75 if1 = Interface({'component_id': if1_xrn.urn, 'ipv4': if1_ipv4} )
76 if2 = Interface({'component_id': if2_xrn.urn, 'ipv4': if2_ipv4} )
79 link = Link({'capacity': '1000000', 'latency': '0', 'packet_loss': '0', 'type': 'ipv4'})
80 link['interface1'] = if1
81 link['interface2'] = if2
82 link['component_name'] = "%s:%s" % (site1['login_base'], site2['login_base'])
83 link['component_id'] = PlXrn(auth=self.driver.hrn, interface=link['component_name']).get_urn()
84 link['component_manager_id'] = hrn_to_urn(self.driver.hrn, 'authority+am')
89 def get_node_tags(self, filter={}):
91 for node_tag in self.driver.shell.GetNodeTags(filter):
92 node_tags[node_tag['node_tag_id']] = node_tag
95 def get_pl_initscripts(self, filter={}):
97 filter.update({'enabled': True})
98 for initscript in self.driver.shell.GetInitScripts(filter):
99 pl_initscripts[initscript['initscript_id']] = initscript
100 return pl_initscripts
103 def get_slice_and_slivers(self, slice_xrn):
105 Returns a dict of slivers keyed on the sliver's node_id
110 return (slice, slivers)
111 slice_urn = hrn_to_urn(slice_xrn, 'slice')
112 slice_hrn, _ = urn_to_hrn(slice_xrn)
113 slice_name = hrn_to_pl_slicename(slice_hrn)
114 slices = self.driver.shell.GetSlices(slice_name)
116 return (slice, slivers)
119 # sort slivers by node id
120 for node_id in slice['node_ids']:
121 sliver_xrn = Xrn(slice_urn, type='sliver', id=node_id)
122 sliver_xrn.set_authority(self.driver.hrn)
123 sliver = Sliver({'sliver_id': sliver_xrn.urn,
124 'name': slice['name'],
125 'type': 'plab-vserver',
127 slivers[node_id]= sliver
129 # sort sliver attributes by node id
130 tags = self.driver.shell.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
132 # most likely a default/global sliver attribute (node_id == None)
133 if tag['node_id'] not in slivers:
134 sliver_xrn = Xrn(slice_urn, type='sliver', id=tag['node_id'])
135 sliver_xrn.set_authority(self.driver.hrn)
136 sliver = Sliver({'sliver_id': sliver_xrn.urn,
137 'name': slice['name'],
138 'type': 'plab-vserver',
140 slivers[tag['node_id']] = sliver
141 slivers[tag['node_id']]['tags'].append(tag)
143 return (slice, slivers)
145 def get_nodes_and_links(self, slice_xrn, slice=None,slivers=[], options={}):
146 # if we are dealing with a slice that has no node just return
149 if not slice or not slice['node_ids']:
154 if slice and 'node_ids' in slice and slice['node_ids']:
155 filter['node_id'] = slice['node_ids']
156 tags_filter=filter.copy()
158 geni_available = options.get('geni_available')
159 if geni_available == True:
160 filter['boot_state'] = 'boot'
162 filter.update({'peer_id': None})
163 nodes = self.driver.shell.GetNodes(filter)
165 # get the granularity in second for the reservation system
166 grain = self.driver.shell.GetLeaseGranularity()
173 site_ids.append(node['site_id'])
174 interface_ids.extend(node['interface_ids'])
175 tag_ids.extend(node['node_tag_ids'])
176 nodes_dict[node['node_id']] = node
179 sites_dict = self.get_sites({'site_id': site_ids})
181 interfaces = self.get_interfaces({'interface_id':interface_ids})
183 node_tags = self.get_node_tags(tags_filter)
185 pl_initscripts = self.get_pl_initscripts()
187 links = self.get_links(sites_dict, nodes_dict, interfaces)
191 # skip whitelisted nodes
192 if node['slice_ids_whitelist']:
193 if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
196 # xxx how to retrieve site['login_base']
197 site_id=node['site_id']
198 site=sites_dict[site_id]
199 rspec_node['component_id'] = hostname_to_urn(self.driver.hrn, site['login_base'], node['hostname'])
200 rspec_node['component_name'] = node['hostname']
201 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
202 rspec_node['authority_id'] = hrn_to_urn(PlXrn.site_hrn(self.driver.hrn, site['login_base']), 'authority+sa')
203 # do not include boot state (<available> element) in the manifest rspec
205 rspec_node['boot_state'] = node['boot_state']
206 rspec_node['exclusive'] = 'false'
207 rspec_node['hardware_types'] = [HardwareType({'name': 'plab-pc'}),
208 HardwareType({'name': 'pc'})]
209 # only doing this because protogeni rspec needs
210 # to advertise available initscripts
211 rspec_node['pl_initscripts'] = pl_initscripts.values()
212 # add site/interface info to nodes.
213 # assumes that sites, interfaces and tags have already been prepared.
214 site = sites_dict[node['site_id']]
215 if site['longitude'] and site['latitude']:
216 location = Location({'longitude': site['longitude'], 'latitude': site['latitude'], 'country': 'unknown'})
217 rspec_node['location'] = location
219 granularity = Granularity({'grain': grain})
220 rspec_node['granularity'] = granularity
222 rspec_node['interfaces'] = []
224 for if_id in node['interface_ids']:
225 interface = Interface(interfaces[if_id])
226 interface['ipv4'] = interface['ip']
227 interface['component_id'] = PlXrn(auth=self.driver.hrn,
228 interface='node%s:eth%s' % (node['node_id'], if_count)).get_urn()
229 # interfaces in the manifest need a client id
231 interface['client_id'] = "%s:%s" % (node['node_id'], if_id)
232 rspec_node['interfaces'].append(interface)
235 tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
236 rspec_node['tags'] = tags
237 if node['node_id'] in slivers:
239 sliver = slivers[node['node_id']]
240 rspec_node['sliver_id'] = sliver['sliver_id']
241 if node.get('client_id'):
242 rspec_node['client_id'] = node['client_id']
243 rspec_node['slivers'] = [sliver]
245 # slivers always provide the ssh service
246 login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': sliver['name']})
247 service = Services({'login': login})
248 rspec_node['services'] = [service]
249 rspec_nodes.append(rspec_node)
250 return (rspec_nodes, links)
253 def get_leases(self, slice=None, options={}):
255 now = int(time.time())
257 filter.update({'clip':now})
259 filter.update({'name':slice['name']})
260 return_fields = ['lease_id', 'hostname', 'site_id', 'name', 't_from', 't_until']
261 leases = self.driver.shell.GetLeases(filter)
262 grain = self.driver.shell.GetLeaseGranularity()
266 site_ids.append(lease['site_id'])
269 sites_dict = self.get_sites({'site_id': site_ids})
274 rspec_lease = Lease()
276 # xxx how to retrieve site['login_base']
277 site_id=lease['site_id']
278 site=sites_dict[site_id]
280 rspec_lease['lease_id'] = lease['lease_id']
281 rspec_lease['component_id'] = hostname_to_urn(self.driver.hrn, site['login_base'], lease['hostname'])
282 slice_hrn = slicename_to_hrn(self.driver.hrn, lease['name'])
283 slice_urn = hrn_to_urn(slice_hrn, 'slice')
284 rspec_lease['slice_id'] = slice_urn
285 rspec_lease['start_time'] = lease['t_from']
286 rspec_lease['duration'] = (lease['t_until'] - lease['t_from']) / grain
287 rspec_leases.append(rspec_lease)
291 def get_rspec(self, slice_xrn=None, version = None, options={}, requested_slivers={}):
293 version_manager = VersionManager()
294 version = version_manager.get_version(version)
296 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
298 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
300 slice, slivers = self.get_slice_and_slivers(slice_xrn)
301 rspec = RSpec(version=rspec_version, user_options=options)
302 if slice and 'expires' in slice:
303 rspec.xml.set('expires', datetime_to_string(utcparse(slice['expires'])))
305 if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'leases':
306 nodes, links = self.get_nodes_and_links(slice_xrn, slice, slivers, options)
307 # preserve client ids from request
308 if requested_slivers:
310 if node['component_name'] in requested_slivers:
311 node['client_id'] = requested_slivers[node['component_name']]
312 rspec.version.add_nodes(nodes)
313 rspec.version.add_links(links)
314 # add sliver defaults
315 default_sliver = slivers.get(None, [])
317 default_sliver_attribs = default_sliver.get('tags', [])
318 for attrib in default_sliver_attribs:
320 rspec.version.add_default_sliver_attribute(attrib['tagname'], attrib['value'])
322 if not options.get('list_leases') or options.get('list_leases') and options['list_leases'] != 'resources':
323 leases = self.get_leases(slice)
324 rspec.version.add_leases(leases)