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
8 from sfa.rspecs.version_manager import VersionManager
9 from sfa.util.bwlimit import get_tc_rate
21 #panos new user options variable
24 def __init__(self, api, user_options={}):
26 self.user_options = user_options
28 def prepare_sites(self, force=False):
29 if not self.sites or force:
30 for site in self.api.plshell.GetSites(self.api.plauth):
31 self.sites[site['site_id']] = site
33 def prepare_nodes(self, force=False):
34 if not self.nodes or force:
35 for node in self.api.plshell.GetNodes(self.api.plauth, {'peer_id': None}):
36 # add site/interface info to nodes.
37 # assumes that sites, interfaces and tags have already been prepared.
38 site = self.sites[node['site_id']]
39 interfaces = [self.interfaces[interface_id] for interface_id in node['interface_ids']]
40 tags = [self.node_tags[tag_id] for tag_id in node['node_tag_ids']]
41 node['network'] = self.api.hrn
42 node['network_urn'] = hrn_to_urn(self.api.hrn, 'authority+am')
43 node['urn'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
44 node['site_urn'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
46 node['interfaces'] = interfaces
48 self.nodes[node['node_id']] = node
50 def prepare_interfaces(self, force=False):
51 if not self.interfaces or force:
52 for interface in self.api.plshell.GetInterfaces(self.api.plauth):
53 self.interfaces[interface['interface_id']] = interface
55 def prepare_links(self, force=False):
56 if not self.links or force:
59 def prepare_node_tags(self, force=False):
60 if not self.node_tags or force:
61 for node_tag in self.api.plshell.GetNodeTags(self.api.plauth):
62 self.node_tags[node_tag['node_tag_id']] = node_tag
64 def prepare_pl_initscripts(self, force=False):
65 if not self.pl_initscripts or force:
66 for initscript in self.api.plshell.GetInitScripts(self.api.plauth, {'enabled': True}):
67 self.pl_initscripts[initscript['initscript_id']] = initscript
69 def prepare(self, force=False):
70 if not self.prepared or force:
71 self.prepare_sites(force)
72 self.prepare_interfaces(force)
73 self.prepare_node_tags(force)
74 self.prepare_nodes(force)
75 self.prepare_links(force)
76 self.prepare_pl_initscripts()
79 def get_rspec(self, slice_xrn=None, version = None):
81 version_manager = VersionManager()
82 version = version_manager.get_version(version)
84 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
86 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
88 rspec = RSpec(version=rspec_version, user_options=self.user_options)
89 # get slice details if specified
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)
98 # filter out nodes with a whitelist:
100 for node in self.nodes.values():
101 # only doing this because protogeni rspec needs
102 # to advertise available initscripts
103 node['pl_initscripts'] = self.pl_initscripts
105 if slice and node['node_id'] in slice['node_ids']:
106 valid_nodes.append(node)
107 elif slice and slice['slice_id'] in node['slice_ids_whitelist']:
108 valid_nodes.append(node)
109 elif not slice and not node['slice_ids_whitelist']:
110 valid_nodes.append(node)
112 rspec.version.add_nodes(valid_nodes)
113 rspec.version.add_interfaces(self.interfaces.values())
114 rspec.version.add_links(self.links.values())
117 if slice_xrn and slice:
119 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
123 # if tag isn't bound to a node then it applies to all slivers
124 # and belongs in the <sliver_defaults> tag
125 if not tag['node_id']:
126 rspec.version.add_default_sliver_attribute(tag['tagname'], tag['value'], self.api.hrn)
127 if tag['tagname'] == 'topo_rspec' and tag['node_id']:
128 node = self.nodes[tag['node_id']]
129 value = eval(tag['value'])
130 for (id, realip, bw, lvip, rvip, vnet) in value:
131 bps = get_tc_rate(bw)
132 remote = self.nodes[id]
133 site1 = self.sites[node['site_id']]
134 site2 = self.sites[remote['site_id']]
135 link1_name = '%s:%s' % (site1['login_base'], site2['login_base'])
136 link2_name = '%s:%s' % (site2['login_base'], site1['login_base'])
138 if link1_name in self.links:
139 link = self.links[link1_name]
140 elif link2_name in self.links:
141 link = self.links[link2_name]
145 for node_id in slice['node_ids']:
148 sliver['hostname'] = self.nodes[node_id]['hostname']
149 sliver['node_id'] = node_id
150 sliver['slice_id'] = slice['slice_id']
152 slivers.append(sliver)
154 # add tags for this node only
156 if tag['node_id'] and (tag['node_id'] == node_id):
157 sliver['tags'].append(tag)
159 self.api.logger.log_exc('unable to add sliver %s to node %s' % (slice['name'], node_id))
160 rspec.version.add_slivers(slivers, sliver_urn=slice_xrn)