2 from sfa.util.xrn import *
3 from sfa.util.plxrn import *
4 from sfa.rspecs.sfa_rspec import SfaRSpec
5 from sfa.rspecs.pg_rspec import PGRSpec
6 from sfa.rspecs.rspec_version import RSpecVersion
17 #panos new user options variable
20 def __init__(self, api, user_options={}):
22 self.user_options = user_options
24 def prepare_sites(self, force=False):
25 if not self.sites or force:
26 for site in self.api.plshell.GetSites(self.api.plauth):
27 self.sites[site['site_id']] = site
29 def prepare_nodes(self, force=False):
30 if not self.nodes or force:
31 for node in self.api.plshell.GetNodes(self.api.plauth, {'peer_id': None}):
32 self.nodes[node['node_id']] = node
34 def prepare_interfaces(self, force=False):
35 if not self.interfaces or force:
36 for interface in self.api.plshell.GetInterfaces(self.api.plauth):
37 self.interfaces[interface['interface_id']] = interface
39 def prepare_links(self, force=False):
40 if not self.links or force:
43 def prepare_node_tags(self, force=False):
44 if not self.node_tags or force:
45 for node_tag in self.api.plshell.GetNodeTags(self.api.plauth):
46 self.node_tags[node_tag['node_tag_id']] = node_tag
48 def prepare(self, force=False):
49 if not self.prepared or force:
50 self.prepare_sites(force)
51 self.prepare_nodes(force)
52 self.prepare_interfaces(force)
53 self.prepare_links(force)
54 self.prepare_node_tags(force)
55 # add site/interface info to nodes
56 for node_id in self.nodes:
57 node = self.nodes[node_id]
58 site = self.sites[node['site_id']]
59 interfaces = [self.interfaces[interface_id] for interface_id in node['interface_ids']]
60 tags = [self.node_tags[tag_id] for tag_id in node['node_tag_ids']]
61 node['network'] = self.api.hrn
62 node['network_urn'] = hrn_to_urn(self.api.hrn, 'authority+am')
63 node['urn'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
64 node['site_urn'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
66 node['interfaces'] = interfaces
71 def get_rspec(self, slice_xrn=None, version = None):
74 rspec_version = RSpecVersion(version)
78 type = 'advertisement'
79 if rspec_version['type'].lower() == 'protogeni':
80 rspec = PGRSpec(type=type)
81 elif rspec_version['type'].lower() == 'sfa':
82 rspec = SfaRSpec(type=type, user_options=self.user_options)
84 rspec = SfaRSpec(type=type, user_options=self.user_options)
86 # get slice details if specified
89 slice_hrn, _ = urn_to_hrn(slice_xrn)
90 slice_name = hrn_to_pl_slicename(slice_hrn)
91 slices = self.api.plshell.GetSlices(self.api.plauth, slice_name)
95 # filter out nodes with a whitelist:
97 for node in self.nodes.values():
98 if not node['slice_ids_whitelist']:
99 valid_nodes.append(node)
100 elif slice and slice['slice_id'] in node['slice_ids_whitelist']:
101 valid_nodes.append(node)
103 rspec.add_nodes(valid_nodes)
104 rspec.add_interfaces(self.interfaces.values())
105 rspec.add_links(self.links.values())
108 if slice_xrn and slice:
110 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
111 for node_id in slice['node_ids']:
114 sliver['hostname'] = self.nodes[node_id]['hostname']
115 sliver['node_id'] = node_id
116 sliver['slice_id'] = slice['slice_id']
118 slivers.append(sliver)
120 # if tag isn't bound to a node then it applies to all slivers
121 # and belongs in the <sliver_defaults> tag
122 if not tag['node_id']:
123 rspec.add_default_sliver_attribute(tag['tagname'], tag['value'], self.api.hrn)
125 tag_host = self.nodes[tag['node_id']]['hostname']
126 if tag_host == sliver['hostname']:
127 sliver['tags'].append(tag)
129 self.api.logger.log_exc('unable to add sliver %s to node %s' % (slice['name'], node_id))
130 rspec.add_slivers(slivers, sliver_urn=slice_xrn)
132 return rspec.toxml(cleanup=True)