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.login import Login
10 from sfa.rspecs.elements.location import Location
11 from sfa.rspecs.elements.interface import Interface
12 from sfa.rspecs.elements.services import Services
13 from sfa.rspecs.elements.pltag import PLTag
14 from sfa.util.topology import Topology
15 from sfa.rspecs.version_manager import VersionManager
16 from sfa.plc.vlink import get_tc_rate
17 from sfa.util.sfatime import epochparse
22 #panos new user options variable
25 def __init__(self, api, user_options={}):
27 self.user_options = user_options
29 def get_sites(self, filter={}):
31 for site in self.api.driver.GetSites(filter):
32 sites[site['site_id']] = site
35 def get_interfaces(self, filter={}):
37 for interface in self.api.driver.GetInterfaces(filter):
39 iface['interface_id'] = interface['interface_id']
40 iface['node_id'] = interface['node_id']
41 iface['ipv4'] = interface['ip']
42 iface['bwlimit'] = interface['bwlimit']
43 interfaces[iface['interface_id']] = iface
46 def get_links(self, filter={}):
48 if not self.api.config.SFA_AGGREGATE_TYPE.lower() == 'vini':
53 for (site_id1, site_id2) in topology:
55 if not site_id1 in self.sites or site_id2 not in self.sites:
57 site1 = self.sites[site_id1]
58 site2 = self.sites[site_id2]
60 site1_hrn = self.api.hrn + '.' + site1['login_base']
61 site2_hrn = self.api.hrn + '.' + site2['login_base']
63 node1 = self.nodes[site1['node_ids'][0]]
64 node2 = self.nodes[site2['node_ids'][0]]
67 # just get first interface of the first node
68 if1_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node1['node_id']))
69 if1_ipv4 = self.interfaces[node1['interface_ids'][0]]['ip']
70 if2_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node2['node_id']))
71 if2_ipv4 = self.interfaces[node2['interface_ids'][0]]['ip']
73 if1 = Interface({'component_id': if1_xrn.urn, 'ipv4': if1_ipv4} )
74 if2 = Interface({'component_id': if2_xrn.urn, 'ipv4': if2_ipv4} )
77 link = Link({'capacity': '1000000', 'latency': '0', 'packet_loss': '0', 'type': 'ipv4'})
78 link['interface1'] = if1
79 link['interface2'] = if2
80 link['component_name'] = "%s:%s" % (site1['login_base'], site2['login_base'])
81 link['component_id'] = PlXrn(auth=self.api.hrn, interface=link['component_name']).get_urn()
82 link['component_manager_id'] = hrn_to_urn(self.api.hrn, 'authority+am')
83 links[link['component_name']] = link
87 def get_node_tags(self, filter={}):
89 for node_tag in self.api.driver.GetNodeTags(filter):
90 node_tags[node_tag['node_tag_id']] = node_tag
93 def get_pl_initscripts(self, filter={}):
95 filter.update({'enabled': True})
96 for initscript in self.api.driver.GetInitScripts(filter):
97 pl_initscripts[initscript['initscript_id']] = initscript
101 def get_slice_and_slivers(self, slice_xrn):
103 Returns a dict of slivers keyed on the sliver's node_id
108 return (slice, slivers)
109 slice_urn = hrn_to_urn(slice_xrn)
110 slice_hrn, _ = urn_to_hrn(slice_xrn)
111 slice_name = hrn_to_pl_slicename(slice_hrn)
112 slices = self.api.driver.GetSlices(slice_name)
114 return (slice, slivers)
117 # sort slivers by node id
118 for node_id in slice['node_ids']:
119 sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], node_id),
120 'name': 'plab-vserver',
122 slivers[node_id]= sliver
124 # sort sliver attributes by node id
125 tags = self.api.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
127 # most likely a default/global sliver attribute (node_id == None)
128 if tag['node_id'] not in slivers:
129 sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
130 'name': 'plab-vserver',
132 slivers[tag['node_id']] = sliver
133 slivers[tag['node_id']]['tags'].append(tag)
135 return (slice, slivers)
137 def get_nodes (self, slice=None,slivers=[]):
140 if slice and 'node_ids' in slice and slice['node_ids']:
141 filter['node_id'] = slice['node_ids']
142 tags_filter=filter.copy()
144 filter.update({'peer_id': None})
145 nodes = self.api.driver.GetNodes(filter)
151 site_ids.append(node['site_id'])
152 interface_ids.extend(node['interface_ids'])
153 tag_ids.extend(node['node_tag_ids'])
156 sites_dict = self.get_sites({'site_id': site_ids})
158 interfaces = self.get_interfaces({'interface_id':interface_ids})
161 # thierry: no get_slivers, we have slivers as a result of
162 # get_slice_and_slivers passed as an argument
164 # slivers = self.get_slivers(slice)
167 node_tags = self.get_node_tags(tags_filter)
169 pl_initscripts = self.get_pl_initscripts()
173 # skip whitelisted nodes
174 if node['slice_ids_whitelist']:
175 if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
178 # xxx how to retrieve site['login_base']
179 site_id=node['site_id']
180 site=sites_dict[site_id]
181 rspec_node['component_id'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
182 rspec_node['component_name'] = node['hostname']
183 rspec_node['component_manager_id'] = self.api.hrn
184 rspec_node['authority_id'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
185 rspec_node['boot_state'] = node['boot_state']
186 rspec_node['exclusive'] = 'False'
187 rspec_node['hardware_types'].append(HardwareType({'name': 'plab-vserver'}))
188 # only doing this because protogeni rspec needs
189 # to advertise available initscripts
190 rspec_node['pl_initscripts'] = pl_initscripts
191 # add site/interface info to nodes.
192 # assumes that sites, interfaces and tags have already been prepared.
193 site = sites_dict[node['site_id']]
194 location = Location({'longitude': site['longitude'], 'latitude': site['latitude']})
195 rspec_node['location'] = location
196 rspec_node['interfaces'] = []
197 for if_id in node['interface_ids']:
198 interface = Interface(interfaces[if_id])
199 interface['ipv4'] = interface['ipv4']
200 rspec_node['interfaces'].append(interface)
201 tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
202 rspec_node['tags'] = tags
203 if node['node_id'] in slivers:
205 sliver = slivers[node['node_id']]
206 rspec_node['sliver_id'] = sliver['sliver_id']
207 rspec_node['client_id'] = node['hostname']
208 rspec_node['slivers'] = [slivers[node['node_id']]]
210 # slivers always provide the ssh service
211 login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], port:'22'})
212 service = Services({'login': login})
213 rspec_node['services'].append(service)
214 rspec_nodes.append(rspec_node)
218 def get_rspec(self, slice_xrn=None, version = None):
220 version_manager = VersionManager()
221 version = version_manager.get_version(version)
223 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
225 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
227 slice, slivers = self.get_slice_and_slivers(slice_xrn)
228 rspec = RSpec(version=rspec_version, user_options=self.user_options)
229 if slice and 'expiration_date' in slice:
230 rspec.set('expires', epochparse(slice['expiration_date']))
231 rspec.version.add_nodes(self.get_nodes(slice), slivers)
232 rspec.version.add_links(self.get_links(slice))
234 # add sliver defaults
235 default_sliver_attribs = slivers.get(None, [])
236 for sliver_attrib in default_sliver_attribs:
237 rspec.version.add_default_sliver_attribute(sliver_attrib['name'], sliver_attrib['value'])