2 from sfa.util.xrn import hrn_to_urn, urn_to_hrn, urn_to_sliver_id
3 from sfa.util.plxrn import PlXrn, hostname_to_urn, hrn_to_pl_slicename
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.util.topology import Topology
16 from sfa.rspecs.version_manager import VersionManager
17 from sfa.plc.vlink import get_tc_rate
18 from sfa.util.sfatime import epochparse
23 #panos new user options variable
26 def __init__(self, api, user_options={}):
28 self.user_options = user_options
30 def get_sites(self, filter={}):
32 for site in self.api.driver.GetSites(filter):
33 sites[site['site_id']] = site
36 def get_interfaces(self, filter={}):
38 for interface in self.api.driver.GetInterfaces(filter):
40 iface['interface_id'] = interface['interface_id']
41 iface['node_id'] = interface['node_id']
42 iface['ipv4'] = interface['ip']
43 if interface['bwlimit']:
44 iface['bwlimit'] = str(int(interface['bwlimit'])/1000)
45 interfaces[iface['interface_id']] = iface
48 def get_links(self, filter={}):
50 if not self.api.config.SFA_AGGREGATE_TYPE.lower() == 'vini':
55 for (site_id1, site_id2) in topology:
57 if not site_id1 in self.sites or site_id2 not in self.sites:
59 site1 = self.sites[site_id1]
60 site2 = self.sites[site_id2]
62 site1_hrn = self.api.hrn + '.' + site1['login_base']
63 site2_hrn = self.api.hrn + '.' + site2['login_base']
65 for s1_node in self.nodes[site1['node_ids']]:
66 for s2_node in self.nodes[site2['node_ids']]:
68 # just get first interface of the first node
69 if1_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (s1_node['node_id']))
70 if1_ipv4 = self.interfaces[node1['interface_ids'][0]]['ip']
71 if2_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (s2_node['node_id']))
72 if2_ipv4 = self.interfaces[node2['interface_ids'][0]]['ip']
74 if1 = Interface({'component_id': if1_xrn.urn, 'ipv4': if1_ipv4} )
75 if2 = Interface({'component_id': if2_xrn.urn, 'ipv4': if2_ipv4} )
78 link = Link({'capacity': '1000000', 'latency': '0', 'packet_loss': '0', 'type': 'ipv4'})
79 link['interface1'] = if1
80 link['interface2'] = if2
81 link['component_name'] = "%s:%s" % (site1['login_base'], site2['login_base'])
82 link['component_id'] = PlXrn(auth=self.api.hrn, interface=link['component_name']).get_urn()
83 link['component_manager_id'] = hrn_to_urn(self.api.hrn, 'authority+am')
84 links[link['component_name']] = link
88 def get_node_tags(self, filter={}):
90 for node_tag in self.api.driver.GetNodeTags(filter):
91 node_tags[node_tag['node_tag_id']] = node_tag
94 def get_pl_initscripts(self, filter={}):
96 filter.update({'enabled': True})
97 for initscript in self.api.driver.GetInitScripts(filter):
98 pl_initscripts[initscript['initscript_id']] = initscript
102 def get_slice_and_slivers(self, slice_xrn):
104 Returns a dict of slivers keyed on the sliver's node_id
109 return (slice, slivers)
110 slice_urn = hrn_to_urn(slice_xrn, 'slice')
111 slice_hrn, _ = urn_to_hrn(slice_xrn)
112 slice_name = hrn_to_pl_slicename(slice_hrn)
113 slices = self.api.driver.GetSlices(slice_name)
115 return (slice, slivers)
118 # sort slivers by node id
119 for node_id in slice['node_ids']:
120 sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], node_id),
121 'name': slice['name'],
122 'type': 'plab-vserver',
124 slivers[node_id]= sliver
126 # sort sliver attributes by node id
127 tags = self.api.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
129 # most likely a default/global sliver attribute (node_id == None)
130 if tag['node_id'] not in slivers:
131 sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
132 'name': 'plab-vserver',
134 slivers[tag['node_id']] = sliver
135 slivers[tag['node_id']]['tags'].append(tag)
137 return (slice, slivers)
139 def get_nodes (self, slice=None,slivers=[]):
142 if slice and 'node_ids' in slice and slice['node_ids']:
143 filter['node_id'] = slice['node_ids']
144 tags_filter=filter.copy()
146 filter.update({'peer_id': None})
147 nodes = self.api.driver.GetNodes(filter)
153 site_ids.append(node['site_id'])
154 interface_ids.extend(node['interface_ids'])
155 tag_ids.extend(node['node_tag_ids'])
158 sites_dict = self.get_sites({'site_id': site_ids})
160 interfaces = self.get_interfaces({'interface_id':interface_ids})
162 node_tags = self.get_node_tags(tags_filter)
164 pl_initscripts = self.get_pl_initscripts()
168 # skip whitelisted nodes
169 if node['slice_ids_whitelist']:
170 if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
173 # xxx how to retrieve site['login_base']
174 site_id=node['site_id']
175 site=sites_dict[site_id]
176 rspec_node['component_id'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
177 rspec_node['component_name'] = node['hostname']
178 rspec_node['component_manager_id'] = self.api.hrn
179 rspec_node['authority_id'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
180 rspec_node['boot_state'] = node['boot_state']
181 rspec_node['exclusive'] = 'False'
182 rspec_node['hardware_types']= [HardwareType({'name': 'plab-pc'}),
183 HardwareType({'name': 'pc'})]
184 # only doing this because protogeni rspec needs
185 # to advertise available initscripts
186 rspec_node['pl_initscripts'] = pl_initscripts.values()
187 # add site/interface info to nodes.
188 # assumes that sites, interfaces and tags have already been prepared.
189 site = sites_dict[node['site_id']]
190 if site['longitude'] and site['latitude']:
191 location = Location({'longitude': site['longitude'], 'latitude': site['latitude']})
192 rspec_node['location'] = location
193 rspec_node['interfaces'] = []
195 for if_id in node['interface_ids']:
196 interface = Interface(interfaces[if_id])
197 interface['ipv4'] = interface['ipv4']
198 interface['component_id'] = PlXrn(auth=self.api.hrn, interface='node%s:eth%s' % (node['node_id'], if_count)).get_urn()
199 rspec_node['interfaces'].append(interface)
202 tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
203 rspec_node['tags'] = tags
204 if node['node_id'] in slivers:
206 sliver = slivers[node['node_id']]
207 rspec_node['sliver_id'] = sliver['sliver_id']
208 rspec_node['client_id'] = node['hostname']
209 rspec_node['slivers'] = [sliver]
211 # slivers always provide the ssh service
212 login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22'})
213 service = Services({'login': login})
214 rspec_node['services'] = [service]
215 rspec_nodes.append(rspec_node)
219 def get_rspec(self, slice_xrn=None, version = None):
221 version_manager = VersionManager()
222 version = version_manager.get_version(version)
224 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
226 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
228 slice, slivers = self.get_slice_and_slivers(slice_xrn)
229 rspec = RSpec(version=rspec_version, user_options=self.user_options)
230 if slice and 'expires' in slice:
231 rspec.xml.set('expires', epochparse(slice['expires']))
232 rspec.version.add_nodes(self.get_nodes(slice, slivers))
233 rspec.version.add_links(self.get_links(slice))
235 # add sliver defaults
236 default_sliver_attribs = slivers.get(None, [])
237 for sliver_attrib in default_sliver_attribs:
238 rspec.version.add_default_sliver_attribute(sliver_attrib['name'], sliver_attrib['value'])