sfa/plc/aggregate.py

   1 #!/usr/bin/python
   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
   8 class Aggregate:
   9
  10     api = None
  11     sites = {}
  12     nodes = {}
  13     interfaces = {}
  14     links = {}
  15     node_tags = {}
  16     prepared=False
  17     #panos new user options variable
  18     user_options = {}
  19
  20     def __init__(self, api, user_options={}):
  21         self.api = api
  22         #panos
  23         self.user_options = user_options
  24         print "[aggregate] options = ",self.user_options
  25
  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
  30
  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):
  34                 self.nodes[node['node_id']] = node
  35
  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
  40
  41     def prepare_links(self, force=False):
  42         if not self.links or force:
  43             pass
  44
  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
  49
  50     def prepare(self, force=False):
  51         if not self.prepared or force:
  52             self.prepare_sites(force)
  53             self.prepare_nodes(force)
  54             self.prepare_interfaces(force)
  55             self.prepare_links(force)
  56             self.prepare_node_tags(force)
  57             # add site/interface info to nodes
  58             for node_id in self.nodes:
  59                 node = self.nodes[node_id]
  60                 site = self.sites[node['site_id']]
  61                 interfaces = [self.interfaces[interface_id] for interface_id in node['interface_ids']]
  62                 tags = [self.node_tags[tag_id] for tag_id in node['node_tag_ids']]
  63                 node['network'] = self.api.hrn
  64                 node['network_urn'] = hrn_to_urn(self.api.hrn, 'authority+sa')
  65                 node['urn'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
  66                 node['site_urn'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority')
  67                 node['site'] = site
  68                 node['interfaces'] = interfaces
  69                 node['tags'] = tags
  70
  71         self.prepared = True
  72
  73     def get_rspec(self, slice_xrn=None, version = None):
  74         self.prepare()
  75         rspec = None
  76         rspec_version = RSpecVersion(version)
  77         if rspec_version['type'].lower() == 'protogeni':
  78             rspec = PGRSpec()
  79         #panos pass user options to SfaRSpec
  80         elif rspec_version['type'].lower() == 'sfa':
  81             rspec = SfaRSpec("",{},self.user_options)
  82         else:
  83             rspec = SfaRSpec("",{},self.user_options)
  84
  85
  86         rspec.add_nodes(self.nodes.values())
  87         rspec.add_interfaces(self.interfaces.values())
  88         rspec.add_links(self.links.values())
  89
  90         if slice_xrn:
  91             # get slice details
  92             slice_hrn, _ = urn_to_hrn(slice_xrn)
  93             slice_name = hrn_to_pl_slicename(slice_hrn)
  94             slices = self.api.plshell.GetSlices(self.api.plauth, slice_name)
  95             if slices:
  96                 slice = slices[0]
  97                 slivers = []
  98                 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
  99                 for node_id in slice['node_ids']:
 100                     sliver = {}
 101                     sliver['hostname'] = self.nodes[node_id]['hostname']
 102                     sliver['tags'] = []
 103                     slivers.append(sliver)
 104                     for tag in tags:
 105                         # if tag isn't bound to a node then it applies to all slivers
 106                         if not tag['node_id']:
 107                             sliver['tags'].append(tag)
 108                         else:
 109                             tag_host = self.nodes[tag['node_id']]['hostname']
 110                             if tag_host == sliver['hostname']:
 111                                 sliver.tags.append(tag)
 112                 rspec.add_slivers(slivers)
 113
 114         return rspec.toxml()