2 from sfa.util.xrn import Xrn, hrn_to_urn, urn_to_hrn
3 from sfa.util.sfatime import utcparse, datetime_to_string
4 from sfa.util.sfalogging import logger
6 from sfa.rspecs.rspec import RSpec
7 from sfa.rspecs.elements.hardware_type import HardwareType
8 from sfa.rspecs.elements.node import Node
9 from sfa.rspecs.elements.link import Link
10 from sfa.rspecs.elements.sliver import Sliver
11 from sfa.rspecs.elements.login import Login
12 from sfa.rspecs.elements.location import Location
13 from sfa.rspecs.elements.interface import Interface
14 from sfa.rspecs.elements.services import Services
15 from sfa.rspecs.elements.pltag import PLTag
16 from sfa.rspecs.elements.lease import Lease
17 from sfa.rspecs.elements.granularity import Granularity
18 from sfa.rspecs.version_manager import VersionManager
20 from sfa.dummy.dummyxrn import DummyXrn, hostname_to_urn, hrn_to_dummy_slicename, slicename_to_hrn
26 def __init__(self, driver):
29 def get_slice_and_slivers(self, slice_xrn):
31 Returns a dict of slivers keyed on the sliver's node_id
36 return (slice, slivers)
37 slice_urn = hrn_to_urn(slice_xrn, 'slice')
38 slice_hrn, _ = urn_to_hrn(slice_xrn)
39 slice_name = hrn_to_dummy_slicename(slice_hrn)
40 slices = self.driver.shell.GetSlices({'slice_name': slice_name})
42 return (slice, slivers)
45 # sort slivers by node id
46 if 'node_ids' in slice.keys():
47 slice_nodes = self.driver.shell.GetNodes({'node_ids': slice['node_ids']})
48 for node in slice_nodes:
49 slivers[node['node_id']] = node
51 return (slice, slivers)
53 def get_nodes(self, slice_xrn, slice=None,slivers=[], options={}):
54 # if we are dealing with a slice that has no node just return
57 if not slice or 'node_ids' not in slice.keys() or not slice['node_ids']:
61 if slice and 'node_ids' in slice and slice['node_ids']:
62 filter['node_ids'] = slice['node_ids']
64 nodes = self.driver.shell.GetNodes(filter)
69 # xxx how to retrieve site['login_base']
70 site=self.driver.testbedInfo
71 rspec_node['component_id'] = hostname_to_urn(self.driver.hrn, site['name'], node['hostname'])
72 rspec_node['component_name'] = node['hostname']
73 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
74 rspec_node['authority_id'] = hrn_to_urn(DummyXrn.site_hrn(self.driver.hrn, site['name']), 'authority+sa')
75 rspec_node['exclusive'] = 'false'
76 rspec_node['hardware_types'] = [HardwareType({'name': 'plab-pc'}),
77 HardwareType({'name': 'pc'})]
78 # add site/interface info to nodes.
79 # assumes that sites, interfaces and tags have already been prepared.
80 if site['longitude'] and site['latitude']:
81 location = Location({'longitude': site['longitude'], 'latitude': site['latitude'], 'country': 'unknown'})
82 rspec_node['location'] = location
84 if node['node_id'] in slivers:
86 sliver = slivers[node['node_id']]
87 rspec_node['client_id'] = node['hostname']
88 rspec_node['slivers'] = [sliver]
90 # slivers always provide the ssh service
91 login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': slice['slice_name']})
92 service = Services({'login': login})
93 rspec_node['services'] = [service]
94 rspec_nodes.append(rspec_node)
99 def get_rspec(self, slice_xrn=None, version = None, options={}):
101 version_manager = VersionManager()
102 version = version_manager.get_version(version)
104 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
106 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
108 slice, slivers = self.get_slice_and_slivers(slice_xrn)
109 rspec = RSpec(version=rspec_version, user_options=options)
110 if slice and 'expires' in slice:
111 rspec.xml.set('expires', datetime_to_string(utcparse(slice['expires'])))
113 nodes = self.get_nodes(slice_xrn, slice, slivers, options)
114 rspec.version.add_nodes(nodes)
115 # add sliver defaults
116 default_sliver = slivers.get(None, [])
118 default_sliver_attribs = default_sliver.get('tags', [])
119 for attrib in default_sliver_attribs:
121 rspec.version.add_default_sliver_attribute(attrib['tagname'], attrib['value'])