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 slice_nodes = self.driver.shell.GetNodes({'node_ids': slice['node_ids']})
47 for node in slice_nodes:
48 slivers[node['node_id']] = node
50 return (slice, slivers)
52 def get_nodes(self, slice_xrn, slice=None,slivers=[], options={}):
53 # if we are dealing with a slice that has no node just return
56 if not slice or not slice['node_ids']:
60 if slice and 'node_ids' in slice and slice['node_ids']:
61 filter['node_ids'] = slice['node_ids']
63 nodes = self.driver.shell.GetNodes(filter)
68 # xxx how to retrieve site['login_base']
69 site=self.driver.testbedInfo
70 rspec_node['component_id'] = hostname_to_urn(self.driver.hrn, site['name'], node['hostname'])
71 rspec_node['component_name'] = node['hostname']
72 rspec_node['component_manager_id'] = Xrn(self.driver.hrn, 'authority+cm').get_urn()
73 rspec_node['authority_id'] = hrn_to_urn(DummyXrn.site_hrn(self.driver.hrn, site['name']), 'authority+sa')
74 rspec_node['exclusive'] = 'false'
75 rspec_node['hardware_types'] = [HardwareType({'name': 'plab-pc'}),
76 HardwareType({'name': 'pc'})]
77 # add site/interface info to nodes.
78 # assumes that sites, interfaces and tags have already been prepared.
79 if site['longitude'] and site['latitude']:
80 location = Location({'longitude': site['longitude'], 'latitude': site['latitude'], 'country': 'unknown'})
81 rspec_node['location'] = location
83 if node['node_id'] in slivers:
85 sliver = slivers[node['node_id']]
86 rspec_node['client_id'] = node['hostname']
87 rspec_node['slivers'] = [sliver]
89 # slivers always provide the ssh service
90 login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], 'port':'22', 'username': slice['slice_name']})
91 service = Services({'login': login})
92 rspec_node['services'] = [service]
93 rspec_nodes.append(rspec_node)
98 def get_rspec(self, slice_xrn=None, version = None, options={}):
100 version_manager = VersionManager()
101 version = version_manager.get_version(version)
103 rspec_version = version_manager._get_version(version.type, version.version, 'ad')
105 rspec_version = version_manager._get_version(version.type, version.version, 'manifest')
107 slice, slivers = self.get_slice_and_slivers(slice_xrn)
108 rspec = RSpec(version=rspec_version, user_options=options)
109 if slice and 'expires' in slice:
110 rspec.xml.set('expires', datetime_to_string(utcparse(slice['expires'])))
112 nodes = self.get_nodes(slice_xrn, slice, slivers, options)
113 rspec.version.add_nodes(nodes)
114 # add sliver defaults
115 default_sliver = slivers.get(None, [])
117 default_sliver_attribs = default_sliver.get('tags', [])
118 for attrib in default_sliver_attribs:
120 rspec.version.add_default_sliver_attribute(attrib['tagname'], attrib['value'])