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
18 #panos new user options variable
21 def __init__(self, api, user_options={}):
23 self.user_options = user_options
25 def prepare_sites(self, force=False):
26 if not self.sites or force:
27 for site in self.api.plshell.GetSites(self.api.plauth):
28 self.sites[site['site_id']] = site
30 def prepare_nodes(self, force=False):
31 if not self.nodes or force:
32 for node in self.api.plshell.GetNodes(self.api.plauth, {'peer_id': None}):
33 self.nodes[node['node_id']] = node
35 def prepare_interfaces(self, force=False):
36 if not self.interfaces or force:
37 for interface in self.api.plshell.GetInterfaces(self.api.plauth):
38 self.interfaces[interface['interface_id']] = interface
40 def prepare_links(self, force=False):
41 if not self.links or force:
44 def prepare_node_tags(self, force=False):
45 if not self.node_tags or force:
46 for node_tag in self.api.plshell.GetNodeTags(self.api.plauth):
47 self.node_tags[node_tag['node_tag_id']] = node_tag
49 def prepare_pl_initscripts(self, force=False):
50 if not self.pl_initscripts or force:
51 for initscript in self.api.plshell.GetInitScripts(self.api.plauth, {'enabled': True}):
52 self.pl_initscripts[initscript['initscript_id']] = initscript
54 def prepare(self, force=False):
55 if not self.prepared or force:
56 self.prepare_sites(force)
57 self.prepare_nodes(force)
58 self.prepare_interfaces(force)
59 self.prepare_links(force)
60 self.prepare_node_tags(force)
61 self.prepare_pl_initscripts()
62 # add site/interface info to nodes
63 for node_id in self.nodes:
64 node = self.nodes[node_id]
65 site = self.sites[node['site_id']]
66 interfaces = [self.interfaces[interface_id] for interface_id in node['interface_ids']]
67 tags = [self.node_tags[tag_id] for tag_id in node['node_tag_ids']]
68 node['network'] = self.api.hrn
69 node['network_urn'] = hrn_to_urn(self.api.hrn, 'authority+am')
70 node['urn'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
71 node['site_urn'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
73 node['interfaces'] = interfaces
78 def get_rspec(self, slice_xrn=None, version = None):
81 rspec_version = RSpecVersion(version)
85 type = 'advertisement'
86 if rspec_version['type'].lower() == 'protogeni':
87 rspec = PGRSpec(type=type)
88 elif rspec_version['type'].lower() == 'sfa':
89 rspec = SfaRSpec(type=type, user_options=self.user_options)
91 rspec = SfaRSpec(type=type, user_options=self.user_options)
93 # get slice details if specified
96 slice_hrn, _ = urn_to_hrn(slice_xrn)
97 slice_name = hrn_to_pl_slicename(slice_hrn)
98 slices = self.api.plshell.GetSlices(self.api.plauth, slice_name)
102 # filter out nodes with a whitelist:
104 for node in self.nodes.values():
105 # only doing this becuase protogeni rspec needs
106 # to advertise available initscripts
107 node['pl_initscripts'] = self.pl_initscripts
109 if slice and node['node_id'] in slice['node_ids']:
110 valid_nodes.append(node)
111 elif slice and slice['slice_id'] in node['slice_ids_whitelist']:
112 valid_nodes.append(node)
113 elif not slice and not node['slice_ids_whitelist']:
114 valid_nodes.append(node)
116 rspec.add_nodes(valid_nodes)
117 rspec.add_interfaces(self.interfaces.values())
118 rspec.add_links(self.links.values())
121 if slice_xrn and slice:
123 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
127 # if tag isn't bound to a node then it applies to all slivers
128 # and belongs in the <sliver_defaults> tag
129 if not tag['node_id']:
130 rspec.add_default_sliver_attribute(tag['tagname'], tag['value'], self.api.hrn)
132 for node_id in slice['node_ids']:
135 sliver['hostname'] = self.nodes[node_id]['hostname']
136 sliver['node_id'] = node_id
137 sliver['slice_id'] = slice['slice_id']
139 slivers.append(sliver)
141 # add tags for this node only
143 if tag['node_id'] and (tag['node_id'] == node_id):
144 sliver['tags'].append(tag)
146 self.api.logger.log_exc('unable to add sliver %s to node %s' % (slice['name'], node_id))
147 rspec.add_slivers(slivers, sliver_urn=slice_xrn)
149 return rspec.toxml(cleanup=True)