2 from sfa.util.xrn import hrn_to_urn, urn_to_hrn, urn_to_sliver_id
3 from sfa.util.sfatime import epochparse
5 from sfa.rspecs.rspec import RSpec
6 from sfa.rspecs.elements.hardware_type import HardwareType
7 from sfa.rspecs.elements.node import Node
8 from sfa.rspecs.elements.link import Link
9 from sfa.rspecs.elements.sliver import Sliver
10 from sfa.rspecs.elements.login import Login
11 from sfa.rspecs.elements.location import Location
12 from sfa.rspecs.elements.interface import Interface
13 from sfa.rspecs.elements.services import Services
14 from sfa.rspecs.elements.pltag import PLTag
15 from sfa.rspecs.version_manager import VersionManager
17 from sfa.util.plxrn import PlXrn, hostname_to_urn, hrn_to_pl_slicename
18 from sfa.plc.vlink import get_tc_rate
19 from sfa.plc.topology import Topology
25 #panos new user options variable
28 def __init__(self, driver):
31 def get_sites(self, filter={}):
33 for site in self.driver.GetSites(filter):
34 sites[site['site_id']] = site
37 def get_interfaces(self, filter={}):
39 for interface in self.driver.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.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.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.GetSlices(slice_name)
116 return (slice, slivers)
119 # sort slivers by node id
120 for node_id in slice['node_ids']:
121 sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], node_id),
122 'name': slice['name'],
123 'type': 'plab-vserver',
125 slivers[node_id]= sliver
127 # sort sliver attributes by node id
128 tags = self.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
130 # most likely a default/global sliver attribute (node_id == None)
131 if tag['node_id'] not in slivers:
132 sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
133 'name': 'plab-vserver',
135 slivers[tag['node_id']] = sliver
136 slivers[tag['node_id']]['tags'].append(tag)
138 return (slice, slivers)
140 def get_nodes_and_links(self, slice=None,slivers=[], options={}):
143 if slice and 'node_ids' in slice and slice['node_ids']:
144 filter['node_id'] = slice['node_ids']
145 tags_filter=filter.copy()
147 geni_available = options.get('geni_available')
149 filter['boot_state'] = 'boot'
151 filter.update({'peer_id': None})
152 nodes = self.driver.GetNodes(filter)
159 site_ids.append(node['site_id'])
160 interface_ids.extend(node['interface_ids'])
161 tag_ids.extend(node['node_tag_ids'])
162 nodes_dict[node['node_id']] = node
165 sites_dict = self.get_sites({'site_id': site_ids})
167 interfaces = self.get_interfaces({'interface_id':interface_ids})
169 node_tags = self.get_node_tags(tags_filter)
171 pl_initscripts = self.get_pl_initscripts()
173 links = self.get_links(sites_dict, nodes_dict, interfaces)
177 # skip whitelisted nodes
178 if node['slice_ids_whitelist']:
179 if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
182 # xxx how to retrieve site['login_base']
183 site_id=node['site_id']
184 site=sites_dict[site_id]
185 rspec_node['component_id'] = hostname_to_urn(self.driver.hrn, site['login_base'], node['hostname'])
186 rspec_node['component_name'] = node['hostname']
187 rspec_node['component_manager_id'] = self.driver.hrn
188 rspec_node['authority_id'] = hrn_to_urn(PlXrn.site_hrn(self.driver.hrn, site['login_base']), 'authority+sa')
189 rspec_node['boot_state'] = node['boot_state']
190 rspec_node['exclusive'] = 'False'
191 rspec_node['hardware_types']= [HardwareType({'name': 'plab-pc'}),
192 HardwareType({'name': 'pc'})]
193 # only doing this because protogeni rspec needs
194 # to advertise available initscripts
195 rspec_node['pl_initscripts'] = pl_initscripts.values()
196 # add site/interface info to nodes.
197 # assumes that sites, interfaces and tags have already been prepared.
198 site = sites_dict[node['site_id']]
199 if site['longitude'] and site['latitude']:
200 location = Location({'longitude': site['longitude'], 'latitude': site['latitude']})
201 rspec_node['location'] = location
202 rspec_node['interfaces'] = []
204 for if_id in node['interface_ids']:
205 interface = Interface(interfaces[if_id])
206 interface['ipv4'] = interface['ip']
207 interface['component_id'] = PlXrn(auth=self.driver.hrn,
208 interface='node%s:eth%s' % (node['node_id'], if_count)).get_urn()
209 rspec_node['interfaces'].append(interface)
212 tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
213 rspec_node['tags'] = tags
214 if node['node_id'] in slivers:
216 sliver = slivers[node['node_id']]
217 rspec_node['sliver_id'] = sliver['sliver_id']
218 rspec_node['client_id'] = node['hostname']
219 rspec_node['slivers'] = [sliver]
221 # slivers always provide the ssh service
222 login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22'})
223 service = Services({'login': login})
224 rspec_node['services'] = [service]
225 rspec_nodes.append(rspec_node)
226 return (rspec_nodes, links)
229 def get_rspec(self, slice_xrn=None, version = None, options={}):
231 version_manager = VersionManager()
232 version = version_manager.get_version(version)
234 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
236 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
238 slice, slivers = self.get_slice_and_slivers(slice_xrn)
239 rspec = RSpec(version=rspec_version, user_options=options)
240 if slice and 'expires' in slice:
241 rspec.xml.set('expires', epochparse(slice['expires']))
243 nodes, links = self.get_nodes_and_links(slice, slivers)
244 rspec.version.add_nodes(nodes)
245 rspec.version.add_links(links)
247 # add sliver defaults
248 default_sliver_attribs = slivers.get(None, [])
249 for sliver_attrib in default_sliver_attribs:
250 rspec.version.add_default_sliver_attribute(sliver_attrib['name'], sliver_attrib['value'])