2 from sfa.util.xrn import hrn_to_urn, urn_to_hrn
3 from sfa.util.plxrn import PlXrn, hostname_to_urn, hrn_to_pl_slicename
4 from sfa.rspecs.rspec import RSpec
5 from sfa.rspecs.elements.link import Link
6 from sfa.rspecs.elements.interface import Interface
7 from sfa.managers.vini.topology import PhysicalLinks
8 from sfa.rspecs.version_manager import VersionManager
9 from sfa.plc.vlink import get_tc_rate
21 #panos new user options variable
24 def __init__(self, api, user_options={}):
26 self.user_options = user_options
28 def prepare_sites(self, filter={}, force=False):
29 if not self.sites or force:
30 for site in self.api.plshell.GetSites(self.api.plauth, filter):
31 self.sites[site['site_id']] = site
33 def prepare_nodes(self, filter={}, force=False):
34 if not self.nodes or force:
35 filter.update({'peer_id': None})
36 nodes = self.api.plshell.GetNodes(self.api.plauth, filter)
41 site_ids.append(node['site_id'])
42 interface_ids.extend(node['interface_ids'])
43 tag_ids.extend(node['node_tag_ids'])
44 self.prepare_sites({'site_id': site_ids})
45 self.prepare_interfaces({'interface_id': interface_ids})
46 self.prepare_node_tags({'node_tag_id': tag_ids})
48 # add site/interface info to nodes.
49 # assumes that sites, interfaces and tags have already been prepared.
50 site = self.sites[node['site_id']]
51 interfaces = [self.interfaces[interface_id] for interface_id in node['interface_ids']]
52 tags = [self.node_tags[tag_id] for tag_id in node['node_tag_ids']]
53 node['network'] = self.api.hrn
54 node['network_urn'] = hrn_to_urn(self.api.hrn, 'authority+am')
55 node['urn'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
56 node['site_urn'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
58 node['interfaces'] = interfaces
60 self.nodes[node['node_id']] = node
62 def prepare_interfaces(self, filter={}, force=False):
63 if not self.interfaces or force:
64 for interface in self.api.plshell.GetInterfaces(self.api.plauth, filter):
65 self.interfaces[interface['interface_id']] = interface
67 def prepare_links(self, filter={}, force=False):
68 if not self.links or force:
69 if not self.api.config.SFA_AGGREGATE_TYPE.lower() == 'vini':
72 for (site_id1, site_id2) in PhysicalLinks:
74 if not site_id1 in self.sites or site_id2 not in self.sites:
76 site1 = self.sites[site_id1]
77 site2 = self.sites[site_id2]
79 site1_hrn = self.api.hrn + '.' + site1['login_base']
80 site2_hrn = self.api.hrn + '.' + site2['login_base']
82 node1 = self.nodes[site1['node_ids'][0]]
83 node2 = self.nodes[site2['node_ids'][0]]
86 # just get first interface of the first node
87 if1_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node1['node_id']))
88 if1_ipv4 = self.interfaces[node1['interface_ids'][0]]['ip']
89 if2_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node2['node_id']))
90 if2_ipv4 = self.interfaces[node2['interface_ids'][0]]['ip']
92 if1 = Interface({'component_id': if1_xrn.urn, 'ipv4': if1_ipv4} )
93 if2 = Interface({'component_id': if2_xrn.urn, 'ipv4': if2_ipv4} )
96 link = Link({'capacity': '1000000', 'latency': '0', 'packet_loss': '0', 'type': 'ipv4'})
97 link['interface1'] = if1
98 link['interface2'] = if2
99 link['component_name'] = "%s:%s" % (site1['login_base'], site2['login_base'])
100 link['component_id'] = PlXrn(auth=self.api.hrn, interface=link['component_name']).get_urn()
101 link['component_manager_id'] = hrn_to_urn(self.api.hrn, 'authority+am')
102 self.links[link['component_name']] = link
105 def prepare_node_tags(self, filter={}, force=False):
106 if not self.node_tags or force:
107 for node_tag in self.api.plshell.GetNodeTags(self.api.plauth, filter):
108 self.node_tags[node_tag['node_tag_id']] = node_tag
110 def prepare_pl_initscripts(self, filter={}, force=False):
111 if not self.pl_initscripts or force:
112 filter.update({'enabled': True})
113 for initscript in self.api.plshell.GetInitScripts(self.api.plauth, filter):
114 self.pl_initscripts[initscript['initscript_id']] = initscript
116 def prepare(self, slice = None, force=False):
117 if not self.prepared or force or slice:
119 self.prepare_sites(force=force)
120 self.prepare_interfaces(force=force)
121 self.prepare_node_tags(force=force)
122 self.prepare_nodes(force=force)
123 self.prepare_links(force=force)
124 self.prepare_pl_initscripts(force=force)
126 self.prepare_sites({'site_id': slice['site_id']})
127 self.prepare_interfaces({'node_id': slice['node_ids']})
128 self.prepare_node_tags({'node_id': slice['node_ids']})
129 self.prepare_nodes({'node_id': slice['node_ids']})
130 self.prepare_links({'slice_id': slice['slice_id']})
131 self.prepare_pl_initscripts()
134 def get_rspec(self, slice_xrn=None, version = None):
135 version_manager = VersionManager()
136 version = version_manager.get_version(version)
138 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
140 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
142 rspec = RSpec(version=rspec_version, user_options=self.user_options)
143 # get slice details if specified
146 slice_hrn, _ = urn_to_hrn(slice_xrn)
147 slice_name = hrn_to_pl_slicename(slice_hrn)
148 slices = self.api.plshell.GetSlices(self.api.plauth, slice_name)
151 self.prepare(slice=slice)
155 # filter out nodes with a whitelist:
157 for node in self.nodes.values():
158 # only doing this because protogeni rspec needs
159 # to advertise available initscripts
160 node['pl_initscripts'] = self.pl_initscripts
162 if slice and node['node_id'] in slice['node_ids']:
163 valid_nodes.append(node)
164 elif slice and slice['slice_id'] in node['slice_ids_whitelist']:
165 valid_nodes.append(node)
166 elif not slice and not node['slice_ids_whitelist']:
167 valid_nodes.append(node)
169 rspec.version.add_nodes(valid_nodes)
170 rspec.version.add_interfaces(self.interfaces.values())
171 rspec.version.add_links(self.links.values())
174 if slice_xrn and slice:
176 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
180 # if tag isn't bound to a node then it applies to all slivers
181 # and belongs in the <sliver_defaults> tag
182 if not tag['node_id']:
183 rspec.version.add_default_sliver_attribute(tag['tagname'], tag['value'], self.api.hrn)
184 if tag['tagname'] == 'topo_rspec' and tag['node_id']:
185 node = self.nodes[tag['node_id']]
186 value = eval(tag['value'])
187 for (id, realip, bw, lvip, rvip, vnet) in value:
188 bps = get_tc_rate(bw)
189 remote = self.nodes[id]
190 site1 = self.sites[node['site_id']]
191 site2 = self.sites[remote['site_id']]
192 link1_name = '%s:%s' % (site1['login_base'], site2['login_base'])
193 link2_name = '%s:%s' % (site2['login_base'], site1['login_base'])
195 if link1_name in self.links:
196 link = self.links[link1_name]
197 elif link2_name in self.links:
198 link = self.links[link2_name]
202 for node_id in slice['node_ids']:
205 sliver['hostname'] = self.nodes[node_id]['hostname']
206 sliver['node_id'] = node_id
207 sliver['slice_id'] = slice['slice_id']
209 slivers.append(sliver)
211 # add tags for this node only
213 if tag['node_id'] and (tag['node_id'] == node_id):
214 sliver['tags'].append(tag)
216 self.api.logger.log_exc('unable to add sliver %s to node %s' % (slice['name'], node_id))
217 rspec.version.add_slivers(slivers, sliver_urn=slice_xrn)