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         self.user_options = user_options
  23
  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
  28
  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):
  32                 self.nodes[node['node_id']] = node
  33
  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
  38
  39     def prepare_links(self, force=False):
  40         if not self.links or force:
  41             pass
  42
  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
  47
  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')
  65                 node['site'] = site
  66                 node['interfaces'] = interfaces
  67                 node['tags'] = tags
  68
  69         self.prepared = True
  70
  71     def get_rspec(self, slice_xrn=None, version = None):
  72         self.prepare()
  73         rspec = None
  74         rspec_version = RSpecVersion(version)
  75         if slice_xrn:
  76             type = 'manifest'
  77         else:
  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)
  83         else:
  84             rspec = SfaRSpec(type=type, user_options=self.user_options)
  85
  86
  87         rspec.add_nodes(self.nodes.values())
  88         rspec.add_interfaces(self.interfaces.values())
  89         rspec.add_links(self.links.values())
  90
  91         if slice_xrn:
  92             # If slicename is specified then resulting rspec is a manifest.
  93             # Add sliver details to rspec and remove 'advertisement' elements
  94             slice_hrn, _ = urn_to_hrn(slice_xrn)
  95             slice_name = hrn_to_pl_slicename(slice_hrn)
  96             slices = self.api.plshell.GetSlices(self.api.plauth, slice_name)
  97             if slices:
  98                 slice = slices[0]
  99                 slivers = []
 100                 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
 101                 for node_id in slice['node_ids']:
 102                     sliver = {}
 103                     sliver['hostname'] = self.nodes[node_id]['hostname']
 104                     sliver['tags'] = []
 105                     slivers.append(sliver)
 106                     for tag in tags:
 107                         # if tag isn't bound to a node then it applies to all slivers
 108                         if not tag['node_id']:
 109                             sliver['tags'].append(tag)
 110                         else:
 111                             tag_host = self.nodes[tag['node_id']]['hostname']
 112                             if tag_host == sliver['hostname']:
 113                                 sliver['tags'].append(tag)
 114                 rspec.add_slivers(slivers, sliver_urn=slice_xrn)
 115
 116         return rspec.toxml(cleanup=True)