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.elements.link import Link
6 from sfa.managers.vini.topology import PhysicalLinks
7 from sfa.rspecs.version_manager import VersionManager
8 from sfa.plc.vlink import get_tc_rate
20 #panos new user options variable
23 def __init__(self, api, user_options={}):
25 self.user_options = user_options
27 def prepare_sites(self, force=False):
28 if not self.sites or force:
29 for site in self.api.plshell.GetSites(self.api.plauth):
30 self.sites[site['site_id']] = site
32 def prepare_nodes(self, force=False):
33 if not self.nodes or force:
34 for node in self.api.plshell.GetNodes(self.api.plauth, {'peer_id': None}):
35 # add site/interface info to nodes.
36 # assumes that sites, interfaces and tags have already been prepared.
37 site = self.sites[node['site_id']]
38 interfaces = [self.interfaces[interface_id] for interface_id in node['interface_ids']]
39 tags = [self.node_tags[tag_id] for tag_id in node['node_tag_ids']]
40 node['network'] = self.api.hrn
41 node['network_urn'] = hrn_to_urn(self.api.hrn, 'authority+am')
42 node['urn'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
43 node['site_urn'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
45 node['interfaces'] = interfaces
47 self.nodes[node['node_id']] = node
49 def prepare_interfaces(self, force=False):
50 if not self.interfaces or force:
51 for interface in self.api.plshell.GetInterfaces(self.api.plauth):
52 self.interfaces[interface['interface_id']] = interface
54 def prepare_links(self, force=False):
55 if not self.links or force:
56 if not self.api.config.SFA_AGGREGATE_TYPE.lower() == 'vini':
59 for (site_id1, site_id2) in PhysicalLinks:
61 if not site_id1 in self.sites or site_id2 not in self.sites:
63 site1 = self.sites[site_id1]
64 site2 = self.sites[site_id2]
66 site1_hrn = self.api.hrn + '.' + site1['login_base']
67 site2_hrn = self.api.hrn + '.' + site2['login_base']
69 node1 = self.nodes[site1['node_id'][0]]
70 node2 = self.nodes[site2['node_id'][0]]
73 # just get first interface of the first node
74 if1_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node1['node_id']))
75 if2_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node2['node_id']))
77 if1 = Interface({'component_id': if1_xrn.urn} )
78 if2 = Interface({'component_id': if2_xrn.urn} )
81 link = Link({'capacity': '1000000', 'latency': '0', 'packet_loss': '0', 'type': 'ipv4'})
82 link['interface1'] = if1
83 link['interface2'] = if2
84 link['component_name'] = "%s:%s" % (site1['login_base'], site2['login_base'])
85 link['component_id'] = PlXrn(auth=self.api.hrn, link=link['component_name'])
86 link['component_manager_id'] = hrn_to_urn(self.api.hrn, 'authority+am')
87 self.links[link['component_name']] = link
90 def prepare_node_tags(self, force=False):
91 if not self.node_tags or force:
92 for node_tag in self.api.plshell.GetNodeTags(self.api.plauth):
93 self.node_tags[node_tag['node_tag_id']] = node_tag
95 def prepare_pl_initscripts(self, force=False):
96 if not self.pl_initscripts or force:
97 for initscript in self.api.plshell.GetInitScripts(self.api.plauth, {'enabled': True}):
98 self.pl_initscripts[initscript['initscript_id']] = initscript
100 def prepare(self, force=False):
101 if not self.prepared or force:
102 self.prepare_sites(force)
103 self.prepare_interfaces(force)
104 self.prepare_node_tags(force)
105 self.prepare_nodes(force)
106 self.prepare_links(force)
107 self.prepare_pl_initscripts()
110 def get_rspec(self, slice_xrn=None, version = None):
112 version_manager = VersionManager()
113 version = version_manager.get_version(version)
115 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
117 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
119 rspec = RSpec(version=rspec_version, user_options=self.user_options)
120 # get slice details if specified
123 slice_hrn, _ = urn_to_hrn(slice_xrn)
124 slice_name = hrn_to_pl_slicename(slice_hrn)
125 slices = self.api.plshell.GetSlices(self.api.plauth, slice_name)
129 # filter out nodes with a whitelist:
131 for node in self.nodes.values():
132 # only doing this because protogeni rspec needs
133 # to advertise available initscripts
134 node['pl_initscripts'] = self.pl_initscripts
136 if slice and node['node_id'] in slice['node_ids']:
137 valid_nodes.append(node)
138 elif slice and slice['slice_id'] in node['slice_ids_whitelist']:
139 valid_nodes.append(node)
140 elif not slice and not node['slice_ids_whitelist']:
141 valid_nodes.append(node)
143 rspec.version.add_nodes(valid_nodes)
144 rspec.version.add_interfaces(self.interfaces.values())
145 rspec.version.add_links(self.links.values())
148 if slice_xrn and slice:
150 tags = self.api.plshell.GetSliceTags(self.api.plauth, slice['slice_tag_ids'])
154 # if tag isn't bound to a node then it applies to all slivers
155 # and belongs in the <sliver_defaults> tag
156 if not tag['node_id']:
157 rspec.version.add_default_sliver_attribute(tag['tagname'], tag['value'], self.api.hrn)
158 if tag['tagname'] == 'topo_rspec' and tag['node_id']:
159 node = self.nodes[tag['node_id']]
160 value = eval(tag['value'])
161 for (id, realip, bw, lvip, rvip, vnet) in value:
162 bps = get_tc_rate(bw)
163 remote = self.nodes[id]
164 site1 = self.sites[node['site_id']]
165 site2 = self.sites[remote['site_id']]
166 link1_name = '%s:%s' % (site1['login_base'], site2['login_base'])
167 link2_name = '%s:%s' % (site2['login_base'], site1['login_base'])
169 if link1_name in self.links:
170 link = self.links[link1_name]
171 elif link2_name in self.links:
172 link = self.links[link2_name]
176 for node_id in slice['node_ids']:
179 sliver['hostname'] = self.nodes[node_id]['hostname']
180 sliver['node_id'] = node_id
181 sliver['slice_id'] = slice['slice_id']
183 slivers.append(sliver)
185 # add tags for this node only
187 if tag['node_id'] and (tag['node_id'] == node_id):
188 sliver['tags'].append(tag)
190 self.api.logger.log_exc('unable to add sliver %s to node %s' % (slice['name'], node_id))
191 rspec.version.add_slivers(slivers, sliver_urn=slice_xrn)