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 for node in self.api.plshell.GetNodes(self.api.plauth, filter):
37 # add site/interface info to nodes.
38 # assumes that sites, interfaces and tags have already been prepared.
39 site = self.sites[node['site_id']]
40 interfaces = [self.interfaces[interface_id] for interface_id in node['interface_ids']]
41 tags = [self.node_tags[tag_id] for tag_id in node['node_tag_ids']]
42 node['network'] = self.api.hrn
43 node['network_urn'] = hrn_to_urn(self.api.hrn, 'authority+am')
44 node['urn'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
45 node['site_urn'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
47 node['interfaces'] = interfaces
49 self.nodes[node['node_id']] = node
51 def prepare_interfaces(self, filter={}, force=False):
52 if not self.interfaces or force:
53 for interface in self.api.plshell.GetInterfaces(self.api.plauth, filter):
54 self.interfaces[interface['interface_id']] = interface
56 def prepare_links(self, filter={}, force=False):
57 if not self.links or force:
58 if not self.api.config.SFA_AGGREGATE_TYPE.lower() == 'vini':
61 for (site_id1, site_id2) in PhysicalLinks:
63 if not site_id1 in self.sites or site_id2 not in self.sites:
65 site1 = self.sites[site_id1]
66 site2 = self.sites[site_id2]
68 site1_hrn = self.api.hrn + '.' + site1['login_base']
69 site2_hrn = self.api.hrn + '.' + site2['login_base']
71 node1 = self.nodes[site1['node_ids'][0]]
72 node2 = self.nodes[site2['node_ids'][0]]
75 # just get first interface of the first node
76 if1_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node1['node_id']))
77 if2_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node2['node_id']))
79 if1 = Interface({'component_id': if1_xrn.urn} )
80 if2 = Interface({'component_id': if2_xrn.urn} )
83 link = Link({'capacity': '1000000', 'latency': '0', 'packet_loss': '0', 'type': 'ipv4'})
84 link['interface1'] = if1
85 link['interface2'] = if2
86 link['component_name'] = "%s:%s" % (site1['login_base'], site2['login_base'])
87 link['component_id'] = PlXrn(auth=self.api.hrn, interface=link['component_name']).get_urn()
88 link['component_manager_id'] = hrn_to_urn(self.api.hrn, 'authority+am')
89 self.links[link['component_name']] = link
92 def prepare_node_tags(self, filter={}, force=False):
93 if not self.node_tags or force:
94 for node_tag in self.api.plshell.GetNodeTags(self.api.plauth, filter):
95 self.node_tags[node_tag['node_tag_id']] = node_tag
97 def prepare_pl_initscripts(self, filter={}, force=False):
98 if not self.pl_initscripts or force:
99 filter.update({'enabled': True})
100 for initscript in self.api.plshell.GetInitScripts(self.api.plauth, filter):
101 self.pl_initscripts[initscript['initscript_id']] = initscript
103 def prepare(self, slice = None, force=False):
104 if not self.prepared or force or slice:
106 self.prepare_sites(force=force)
107 self.prepare_interfaces(force=force)
108 self.prepare_node_tags(force=force)
109 self.prepare_nodes(force=force)
110 self.prepare_links(force=force)
111 self.prepare_pl_initscripts(force=force)
113 self.prepare_sites({'site_id': slice['site_id']})
114 self.prepare_interfaces({'node_id': slice['node_ids']})
115 self.prepare_node_tags({'node_id': slice['node_ids']})
116 self.prepare_nodes({'node_id': slice['node_ids']})
117 self.prepare_links({'slice_id': slice['slice_id']})
118 self.prepare_pl_initscripts({'slice_id': slice['slice_id']})
121 def get_rspec(self, slice_xrn=None, version = None):
122 version_manager = VersionManager()
123 version = version_manager.get_version(version)
125 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
127 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
129 rspec = RSpec(version=rspec_version, user_options=self.user_options)
130 # get slice details if specified
133 slice_hrn, _ = urn_to_hrn(slice_xrn)
134 slice_name = hrn_to_pl_slicename(slice_hrn)
135 slices = self.api.plshell.GetSlices(self.api.plauth, slice_name)
141 # filter out nodes with a whitelist:
143 for node in self.nodes.values():
144 # only doing this because protogeni rspec needs
145 # to advertise available initscripts
146 node['pl_initscripts'] = self.pl_initscripts
148 if slice and node['node_id'] in slice['node_ids']:
149 valid_nodes.append(node)
150 elif slice and slice['slice_id'] in node['slice_ids_whitelist']:
151 valid_nodes.append(node)
152 elif not slice and not node['slice_ids_whitelist']:
153 valid_nodes.append(node)
155 rspec.version.add_nodes(valid_nodes)
156 rspec.version.add_interfaces(self.interfaces.values())
157 rspec.version.add_links(self.links.values())
160 if slice_xrn and slice:
162 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
166 # if tag isn't bound to a node then it applies to all slivers
167 # and belongs in the <sliver_defaults> tag
168 if not tag['node_id']:
169 rspec.version.add_default_sliver_attribute(tag['tagname'], tag['value'], self.api.hrn)
170 if tag['tagname'] == 'topo_rspec' and tag['node_id']:
171 node = self.nodes[tag['node_id']]
172 value = eval(tag['value'])
173 for (id, realip, bw, lvip, rvip, vnet) in value:
174 bps = get_tc_rate(bw)
175 remote = self.nodes[id]
176 site1 = self.sites[node['site_id']]
177 site2 = self.sites[remote['site_id']]
178 link1_name = '%s:%s' % (site1['login_base'], site2['login_base'])
179 link2_name = '%s:%s' % (site2['login_base'], site1['login_base'])
181 if link1_name in self.links:
182 link = self.links[link1_name]
183 elif link2_name in self.links:
184 link = self.links[link2_name]
188 for node_id in slice['node_ids']:
191 sliver['hostname'] = self.nodes[node_id]['hostname']
192 sliver['node_id'] = node_id
193 sliver['slice_id'] = slice['slice_id']
195 slivers.append(sliver)
197 # add tags for this node only
199 if tag['node_id'] and (tag['node_id'] == node_id):
200 sliver['tags'].append(tag)
202 self.api.logger.log_exc('unable to add sliver %s to node %s' % (slice['name'], node_id))
203 rspec.version.add_slivers(slivers, sliver_urn=slice_xrn)