2 from sfa.util.xrn import hrn_to_urn, urn_to_hrn, urn_to_sliver_id
3 from sfa.util.plxrn import PlXrn, hostname_to_urn, hrn_to_pl_slicename
5 from sfa.rspecs.rspec import RSpec
6 from sfa.rspecs.elements.hardware_type import HardwareType
7 from sfa.rspecs.elements.node import Node
8 from sfa.rspecs.elements.link import Link
9 from sfa.rspecs.elements.sliver import Sliver
10 from sfa.rspecs.elements.login import Login
11 from sfa.rspecs.elements.location import Location
12 from sfa.rspecs.elements.interface import Interface
13 from sfa.rspecs.elements.services import Services
14 from sfa.rspecs.elements.pltag import PLTag
15 from sfa.util.topology import Topology
16 from sfa.rspecs.version_manager import VersionManager
17 from sfa.plc.vlink import get_tc_rate
18 from sfa.util.sfatime import epochparse
23 #panos new user options variable
26 def __init__(self, api, user_options={}):
28 self.user_options = user_options
30 def get_sites(self, filter={}):
32 for site in self.api.driver.GetSites(filter):
33 sites[site['site_id']] = site
36 def get_interfaces(self, filter={}):
38 for interface in self.api.driver.GetInterfaces(filter):
40 iface['interface_id'] = interface['interface_id']
41 iface['node_id'] = interface['node_id']
42 iface['ipv4'] = interface['ip']
43 iface['bwlimit'] = str(int(interface['bwlimit'])/1000)
44 interfaces[iface['interface_id']] = iface
47 def get_links(self, filter={}):
49 if not self.api.config.SFA_AGGREGATE_TYPE.lower() == 'vini':
54 for (site_id1, site_id2) in topology:
56 if not site_id1 in self.sites or site_id2 not in self.sites:
58 site1 = self.sites[site_id1]
59 site2 = self.sites[site_id2]
61 site1_hrn = self.api.hrn + '.' + site1['login_base']
62 site2_hrn = self.api.hrn + '.' + site2['login_base']
64 node1 = self.nodes[site1['node_ids'][0]]
65 node2 = self.nodes[site2['node_ids'][0]]
68 # just get first interface of the first node
69 if1_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node1['node_id']))
70 if1_ipv4 = self.interfaces[node1['interface_ids'][0]]['ip']
71 if2_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node2['node_id']))
72 if2_ipv4 = self.interfaces[node2['interface_ids'][0]]['ip']
74 if1 = Interface({'component_id': if1_xrn.urn, 'ipv4': if1_ipv4} )
75 if2 = Interface({'component_id': if2_xrn.urn, 'ipv4': if2_ipv4} )
78 link = Link({'capacity': '1000000', 'latency': '0', 'packet_loss': '0', 'type': 'ipv4'})
79 link['interface1'] = if1
80 link['interface2'] = if2
81 link['component_name'] = "%s:%s" % (site1['login_base'], site2['login_base'])
82 link['component_id'] = PlXrn(auth=self.api.hrn, interface=link['component_name']).get_urn()
83 link['component_manager_id'] = hrn_to_urn(self.api.hrn, 'authority+am')
84 links[link['component_name']] = link
88 def get_node_tags(self, filter={}):
90 for node_tag in self.api.driver.GetNodeTags(filter):
91 node_tags[node_tag['node_tag_id']] = node_tag
94 def get_pl_initscripts(self, filter={}):
96 filter.update({'enabled': True})
97 for initscript in self.api.driver.GetInitScripts(filter):
98 pl_initscripts[initscript['initscript_id']] = initscript
102 def get_slice_and_slivers(self, slice_xrn):
104 Returns a dict of slivers keyed on the sliver's node_id
109 return (slice, slivers)
110 slice_urn = hrn_to_urn(slice_xrn, 'slice')
111 slice_hrn, _ = urn_to_hrn(slice_xrn)
112 slice_name = hrn_to_pl_slicename(slice_hrn)
113 slices = self.api.driver.GetSlices(slice_name)
115 return (slice, slivers)
118 # sort slivers by node id
119 for node_id in slice['node_ids']:
120 sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], node_id),
121 'name': slice['name'],
122 'type': 'plab-vserver',
124 slivers[node_id]= sliver
126 # sort sliver attributes by node id
127 tags = self.api.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']})
129 # most likely a default/global sliver attribute (node_id == None)
130 if tag['node_id'] not in slivers:
131 sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""),
132 'name': 'plab-vserver',
134 slivers[tag['node_id']] = sliver
135 slivers[tag['node_id']]['tags'].append(tag)
137 return (slice, slivers)
139 def get_nodes (self, slice=None,slivers=[]):
142 if slice and 'node_ids' in slice and slice['node_ids']:
143 filter['node_id'] = slice['node_ids']
144 tags_filter=filter.copy()
146 filter.update({'peer_id': None})
147 nodes = self.api.driver.GetNodes(filter)
153 site_ids.append(node['site_id'])
154 interface_ids.extend(node['interface_ids'])
155 tag_ids.extend(node['node_tag_ids'])
158 sites_dict = self.get_sites({'site_id': site_ids})
160 interfaces = self.get_interfaces({'interface_id':interface_ids})
162 node_tags = self.get_node_tags(tags_filter)
164 pl_initscripts = self.get_pl_initscripts()
168 # skip whitelisted nodes
169 if node['slice_ids_whitelist']:
170 if not slice or slice['slice_id'] not in node['slice_ids_whitelist']:
173 # xxx how to retrieve site['login_base']
174 site_id=node['site_id']
175 site=sites_dict[site_id]
176 rspec_node['component_id'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname'])
177 rspec_node['component_name'] = node['hostname']
178 rspec_node['component_manager_id'] = self.api.hrn
179 rspec_node['authority_id'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa')
180 rspec_node['boot_state'] = node['boot_state']
181 rspec_node['exclusive'] = 'False'
182 rspec_node['hardware_types']= [HardwareType({'name': 'plab-vserver'})]
183 # only doing this because protogeni rspec needs
184 # to advertise available initscripts
185 rspec_node['pl_initscripts'] = pl_initscripts.values()
186 # add site/interface info to nodes.
187 # assumes that sites, interfaces and tags have already been prepared.
188 site = sites_dict[node['site_id']]
189 if site['longitude'] and site['latitude']:
190 location = Location({'longitude': site['longitude'], 'latitude': site['latitude']})
191 rspec_node['location'] = location
192 rspec_node['interfaces'] = []
194 for if_id in node['interface_ids']:
195 interface = Interface(interfaces[if_id])
196 interface['ipv4'] = interface['ipv4']
197 interface['component_id'] = PlXrn(auth=self.api.hrn, interface='node%s:eth%s' % (node['node_id'], if_count))
198 rspec_node['interfaces'].append(interface)
201 tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']]
202 rspec_node['tags'] = tags
203 if node['node_id'] in slivers:
205 sliver = slivers[node['node_id']]
206 rspec_node['sliver_id'] = sliver['sliver_id']
207 rspec_node['client_id'] = node['hostname']
208 rspec_node['slivers'] = [sliver]
210 # slivers always provide the ssh service
211 login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22'})
212 service = Services({'login': login})
213 rspec_node['services'] = [service]
214 rspec_nodes.append(rspec_node)
218 def get_rspec(self, slice_xrn=None, version = None):
220 version_manager = VersionManager()
221 version = version_manager.get_version(version)
223 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
225 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
227 slice, slivers = self.get_slice_and_slivers(slice_xrn)
228 rspec = RSpec(version=rspec_version, user_options=self.user_options)
229 if slice and 'expires' in slice:
230 rspec.xml.set('expires', epochparse(slice['expires']))
231 rspec.version.add_nodes(self.get_nodes(slice, slivers))
232 rspec.version.add_links(self.get_links(slice))
234 # add sliver defaults
235 default_sliver_attribs = slivers.get(None, [])
236 for sliver_attrib in default_sliver_attribs:
237 rspec.version.add_default_sliver_attribute(sliver_attrib['name'], sliver_attrib['value'])