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
7 from sfa.rspecs.rspec import RSpec
19 #panos new user options variable
22 def __init__(self, api, user_options={}):
24 self.user_options = user_options
26 def prepare_sites(self, force=False):
27 if not self.sites or force:
28 for site in self.api.plshell.GetSites(self.api.plauth):
29 self.sites[site['site_id']] = site
31 def prepare_nodes(self, force=False):
32 if not self.nodes or force:
33 for node in self.api.plshell.GetNodes(self.api.plauth, {'peer_id': None}):
34 self.nodes[node['node_id']] = node
36 def prepare_interfaces(self, force=False):
37 if not self.interfaces or force:
38 for interface in self.api.plshell.GetInterfaces(self.api.plauth):
39 self.interfaces[interface['interface_id']] = interface
41 def prepare_links(self, force=False):
42 if not self.links or force:
45 def prepare_node_tags(self, force=False):
46 if not self.node_tags or force:
47 for node_tag in self.api.plshell.GetNodeTags(self.api.plauth):
48 self.node_tags[node_tag['node_tag_id']] = node_tag
50 def prepare_pl_initscripts(self, force=False):
51 if not self.pl_initscripts or force:
52 for initscript in self.api.plshell.GetInitScripts(self.api.plauth, {'enabled': True}):
53 self.pl_initscripts[initscript['initscript_id']] = initscript
55 def prepare(self, force=False):
56 if not self.prepared or force:
57 self.prepare_sites(force)
58 self.prepare_nodes(force)
59 self.prepare_interfaces(force)
60 self.prepare_links(force)
61 self.prepare_node_tags(force)
62 self.prepare_pl_initscripts()
63 # add site/interface info to nodes
64 for node_id in self.nodes:
65 node = self.nodes[node_id]
66 site = self.sites[node['site_id']]
67 interfaces = [self.interfaces[interface_id] for interface_id in node['interface_ids']]
68 tags = [self.node_tags[tag_id] for tag_id in node['node_tag_ids']]
69 node['network'] = self.api.hrn
70 node['network_urn'] = hrn_to_urn(self.api.hrn, 'authority+am')
71 node['urn'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
72 node['site_urn'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
74 node['interfaces'] = interfaces
79 def get_rspec(self, slice_xrn=None, version = None):
81 rspec = RSpec(version=version, user_options=self.user_options)
82 #rspec_version = RSpecVersion(version)
86 # type = 'advertisement'
87 #if rspec_version['type'].lower() == 'protogeni':
88 # rspec = PGRSpec(type=type)
89 #elif rspec_version['type'].lower() == 'sfa':
90 # rspec = SfaRSpec(type=type, user_options=self.user_options)
92 # rspec = SfaRSpec(type=type, user_options=self.user_options)
94 # get slice details if specified
97 slice_hrn, _ = urn_to_hrn(slice_xrn)
98 slice_name = hrn_to_pl_slicename(slice_hrn)
99 slices = self.api.plshell.GetSlices(self.api.plauth, slice_name)
103 # filter out nodes with a whitelist:
105 for node in self.nodes.values():
106 # only doing this becuase protogeni rspec needs
107 # to advertise available initscripts
108 node['pl_initscripts'] = self.pl_initscripts
110 if slice and node['node_id'] in slice['node_ids']:
111 valid_nodes.append(node)
112 elif slice and slice['slice_id'] in node['slice_ids_whitelist']:
113 valid_nodes.append(node)
114 elif not slice and not node['slice_ids_whitelist']:
115 valid_nodes.append(node)
117 rspec.version.add_nodes(valid_nodes)
118 rspec.version.add_interfaces(self.interfaces.values())
119 rspec.version.add_links(self.links.values())
122 if slice_xrn and slice:
124 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
128 # if tag isn't bound to a node then it applies to all slivers
129 # and belongs in the <sliver_defaults> tag
130 if not tag['node_id']:
131 rspec.version.add_default_sliver_attribute(tag['tagname'], tag['value'], self.api.hrn)
133 for node_id in slice['node_ids']:
136 sliver['hostname'] = self.nodes[node_id]['hostname']
137 sliver['node_id'] = node_id
138 sliver['slice_id'] = slice['slice_id']
140 slivers.append(sliver)
142 # add tags for this node only
144 if tag['node_id'] and (tag['node_id'] == node_id):
145 sliver['tags'].append(tag)
147 self.api.logger.log_exc('unable to add sliver %s to node %s' % (slice['name'], node_id))
148 rspec.version.add_slivers(slivers, sliver_urn=slice_xrn)
150 return rspec.toxml(cleanup=True)