2 from sfa.util.xrn import hrn_to_urn, urn_to_hrn
3 from sfa.util.plxrn import PlXrn, hostname_to_urn, hrn_to_pl_slicename
4 from sfa.rspecs.rspec import RSpec
5 from sfa.rspecs.version_manager import VersionManager
6 from sfa.plc.vlink import get_tc_rate
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 # add site/interface info to nodes.
34 # assumes that sites, interfaces and tags have already been prepared.
35 site = self.sites[node['site_id']]
36 interfaces = [self.interfaces[interface_id] for interface_id in node['interface_ids']]
37 tags = [self.node_tags[tag_id] for tag_id in node['node_tag_ids']]
38 node['network'] = self.api.hrn
39 node['network_urn'] = hrn_to_urn(self.api.hrn, 'authority+am')
40 node['urn'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
41 node['site_urn'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
43 node['interfaces'] = interfaces
45 self.nodes[node['node_id']] = node
47 def prepare_interfaces(self, force=False):
48 if not self.interfaces or force:
49 for interface in self.api.plshell.GetInterfaces(self.api.plauth):
50 self.interfaces[interface['interface_id']] = interface
52 def prepare_links(self, force=False):
53 if not self.links or force:
56 def prepare_node_tags(self, force=False):
57 if not self.node_tags or force:
58 for node_tag in self.api.plshell.GetNodeTags(self.api.plauth):
59 self.node_tags[node_tag['node_tag_id']] = node_tag
61 def prepare_pl_initscripts(self, force=False):
62 if not self.pl_initscripts or force:
63 for initscript in self.api.plshell.GetInitScripts(self.api.plauth, {'enabled': True}):
64 self.pl_initscripts[initscript['initscript_id']] = initscript
66 def prepare(self, force=False):
67 if not self.prepared or force:
68 self.prepare_sites(force)
69 self.prepare_interfaces(force)
70 self.prepare_node_tags(force)
71 self.prepare_nodes(force)
72 self.prepare_links(force)
73 self.prepare_pl_initscripts()
76 def get_rspec(self, slice_xrn=None, version = None):
78 version_manager = VersionManager()
79 version = version_manager.get_version(version)
81 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
83 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
85 rspec = RSpec(version=rspec_version, user_options=self.user_options)
86 # get slice details if specified
89 slice_hrn, _ = urn_to_hrn(slice_xrn)
90 slice_name = hrn_to_pl_slicename(slice_hrn)
91 slices = self.api.plshell.GetSlices(self.api.plauth, slice_name)
95 # filter out nodes with a whitelist:
97 for node in self.nodes.values():
98 # only doing this because protogeni rspec needs
99 # to advertise available initscripts
100 node['pl_initscripts'] = self.pl_initscripts
102 if slice and node['node_id'] in slice['node_ids']:
103 valid_nodes.append(node)
104 elif slice and slice['slice_id'] in node['slice_ids_whitelist']:
105 valid_nodes.append(node)
106 elif not slice and not node['slice_ids_whitelist']:
107 valid_nodes.append(node)
109 rspec.version.add_nodes(valid_nodes)
110 rspec.version.add_interfaces(self.interfaces.values())
111 rspec.version.add_links(self.links.values())
114 if slice_xrn and slice:
116 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
120 # if tag isn't bound to a node then it applies to all slivers
121 # and belongs in the <sliver_defaults> tag
122 if not tag['node_id']:
123 rspec.version.add_default_sliver_attribute(tag['tagname'], tag['value'], self.api.hrn)
124 if tag['tagname'] == 'topo_rspec' and tag['node_id']:
125 node = self.nodes[tag['node_id']]
126 value = eval(tag['value'])
127 for (id, realip, bw, lvip, rvip, vnet) in value:
128 bps = get_tc_rate(bw)
129 remote = self.nodes[id]
130 site1 = self.sites[node['site_id']]
131 site2 = self.sites[remote['site_id']]
132 link1_name = '%s:%s' % (site1['login_base'], site2['login_base'])
133 link2_name = '%s:%s' % (site2['login_base'], site1['login_base'])
135 if link1_name in self.links:
136 link = self.links[link1_name]
137 elif link2_name in self.links:
138 link = self.links[link2_name]
142 for node_id in slice['node_ids']:
145 sliver['hostname'] = self.nodes[node_id]['hostname']
146 sliver['node_id'] = node_id
147 sliver['slice_id'] = slice['slice_id']
149 slivers.append(sliver)
151 # add tags for this node only
153 if tag['node_id'] and (tag['node_id'] == node_id):
154 sliver['tags'].append(tag)
156 self.api.logger.log_exc('unable to add sliver %s to node %s' % (slice['name'], node_id))
157 rspec.version.add_slivers(slivers, sliver_urn=slice_xrn)