-from sfa.util.faults import *
+### $Id: slices.py 15842 2009-11-22 09:56:13Z anil $
+### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/plc/slices.py $
+
+import datetime
+import time
+import traceback
+import sys
+
+from types import StringTypes
from sfa.util.namespace import *
+from sfa.util.rspec import *
+from sfa.util.specdict import *
+from sfa.util.faults import *
+from sfa.util.record import SfaRecord
+from sfa.util.policy import Policy
+from sfa.util.record import *
+from sfa.util.sfaticket import SfaTicket
from sfa.server.registry import Registries
-from sfa.plc.nodes import *
-from sfa.plc.api import *
-from sfa.managers.vini.utils import *
-import sys
+from sfa.util.debug import log
+from sfa.plc.slices import Slices
+import sfa.plc.peers as peers
+from sfa.managers.vini.vini_network import *
+from sfa.plc.api import SfaAPI
+from sfa.plc.slices import *
+
+def delete_slice(api, xrn):
+ hrn, type = urn_to_hrn(xrn)
+ slicename = hrn_to_pl_slicename(hrn)
+ slices = api.plshell.GetSlices(api.plauth, {'name': slicename})
+ if not slices:
+ return 1
+ slice = slices[0]
+
+ # determine if this is a peer slice
+ peer = peers.get_peer(api, hrn)
+ if peer:
+ api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice['slice_id'], peer)
+ api.plshell.DeleteSliceFromNodes(api.plauth, slicename, slice['node_ids'])
+ if peer:
+ api.plshell.BindObjectToPeer(api.plauth, 'slice', slice['slice_id'], peer, slice['peer_slice_id'])
+ return 1
-"""
-Copied from create_slice_aggregate() in sfa.plc.slices
-"""
-def create_slice_vini_aggregate(api, hrn, nodes):
- # Get the slice record
- slice = {}
+def __get_hostnames(nodes):
+ hostnames = []
+ for node in nodes:
+ hostnames.append(node.hostname)
+ return hostnames
+
+def create_slice(api, xrn, xml):
+ hrn, type = urn_to_hrn(xrn)
+ peer = None
+
+ """
+ Verify HRN and initialize the slice record in PLC if necessary.
+ """
+ slices = Slices(api)
+ peer = slices.get_peer(hrn)
+ sfa_peer = slices.get_sfa_peer(hrn)
registries = Registries(api)
registry = registries[api.hrn]
credential = api.getCredential()
- records = registry.resolve(credential, hrn)
- for record in records:
- if record['type'] in ['slice']:
- slice = record
- if not slice:
- raise RecordNotFound(hrn)
-
- # Make sure slice exists at plc, if it doesnt add it
- slicename = hrn_to_pl_slicename(hrn)
- slices = api.plshell.GetSlices(api.plauth, [slicename], ['node_ids'])
- if not slices:
- parts = slicename.split("_")
- login_base = parts[0]
- # if site doesnt exist add it
- sites = api.plshell.GetSites(api.plauth, [login_base])
- if not sites:
- authority = get_authority(hrn)
- site_records = registry.resolve(credential, authority)
- site_record = {}
- if not site_records:
- raise RecordNotFound(authority)
- site = site_records[0]
-
- # add the site
- site.pop('site_id')
- site_id = api.plshell.AddSite(api.plauth, site)
- else:
- site = sites[0]
-
- slice_fields = {}
- slice_keys = ['name', 'url', 'description']
- for key in slice_keys:
- if key in slice and slice[key]:
- slice_fields[key] = slice[key]
- api.plshell.AddSlice(api.plauth, slice_fields)
- slice = slice_fields
- slice['node_ids'] = 0
- else:
- slice = slices[0]
-
- # get the list of valid slice users from the registry and make
- # they are added to the slice
- researchers = record.get('researcher', [])
- for researcher in researchers:
- person_record = {}
- person_records = registry.resolve(credential, researcher)
- for record in person_records:
- if record['type'] in ['user']:
- person_record = record
- if not person_record:
- pass
- person_dict = person_record
- persons = api.plshell.GetPersons(api.plauth, [person_dict['email']],
- ['person_id', 'key_ids'])
-
- # Create the person record
- if not persons:
- person_id=api.plshell.AddPerson(api.plauth, person_dict)
-
- # The line below enables the user account on the remote aggregate
- # soon after it is created.
- # without this the user key is not transfered to the slice
- # (as GetSlivers returns key of only enabled users),
- # which prevents the user from login to the slice.
- # We may do additional checks before enabling the user.
-
- api.plshell.UpdatePerson(api.plauth, person_id, {'enabled' : True})
- key_ids = []
- else:
- key_ids = persons[0]['key_ids']
-
- api.plshell.AddPersonToSlice(api.plauth, person_dict['email'],
- slicename)
-
- # Get this users local keys
- keylist = api.plshell.GetKeys(api.plauth, key_ids, ['key'])
- keys = [key['key'] for key in keylist]
-
- # add keys that arent already there
- for personkey in person_dict['keys']:
- if personkey not in keys:
- key = {'key_type': 'ssh', 'key': personkey}
- api.plshell.AddPersonKey(api.plauth, person_dict['email'], key)
-
- # find out where this slice is currently running
- nodelist = api.plshell.GetNodes(api.plauth, slice['node_ids'],
- ['hostname'])
- hostnames = [node['hostname'] for node in nodelist]
+ site_id, remote_site_id = slices.verify_site(registry, credential, hrn,
+ peer, sfa_peer)
+ slice = slices.verify_slice(registry, credential, hrn, site_id,
+ remote_site_id, peer, sfa_peer)
+ network = ViniNetwork(api)
+
+ slice = network.get_slice(api, hrn)
+ current = __get_hostnames(slice.get_nodes())
+
+ network.addRSpec(xml, "/var/www/html/schemas/vini.rng")
+ #network.addRSpec(xml, "/root/SVN/sfa/trunk/sfa/managers/vini/vini.rng")
+ request = __get_hostnames(network.nodesWithSlivers())
+
# remove nodes not in rspec
- deleted_nodes = list(set(hostnames).difference(nodes))
- # add nodes from rspec
- added_nodes = list(set(nodes).difference(hostnames))
+ deleted_nodes = list(set(current).difference(request))
- """
- print >> sys.stderr, "Slice on nodes:"
- for n in hostnames:
- print >> sys.stderr, n
- print >> sys.stderr, "Wants nodes:"
- for n in nodes:
- print >> sys.stderr, n
- print >> sys.stderr, "Deleting nodes:"
- for n in deleted_nodes:
- print >> sys.stderr, n
- print >> sys.stderr, "Adding nodes:"
- for n in added_nodes:
- print >> sys.stderr, n
- """
+ # add nodes from rspec
+ added_nodes = list(set(request).difference(current))
- api.plshell.AddSliceToNodes(api.plauth, slicename, added_nodes)
- api.plshell.DeleteSliceFromNodes(api.plauth, slicename, deleted_nodes)
+ if peer:
+ api.plshell.UnBindObjectFromPeer(api.plauth, 'slice', slice.id, peer)
- return 1
+ api.plshell.AddSliceToNodes(api.plauth, slice.name, added_nodes)
+ api.plshell.DeleteSliceFromNodes(api.plauth, slice.name, deleted_nodes)
-def get_rspec(api, xrn, origin_hrn):
- hrn = urn_to_hrn(xrn)[0]
- topo = Topology(api)
- if (hrn):
- slicename = hrn_to_pl_slicename(hrn)
- slice = get_slice(api, slicename)
- if slice:
- slice.hrn = hrn
- topo.nodeTopoFromSliceTags(slice)
- else:
- # call the default sfa.plc.nodes.get_rspec() method
- return Nodes(api).get_rspec(hrn)
+ network.updateSliceTags()
- return topo.toxml(hrn)
+ if peer:
+ api.plshell.BindObjectToPeer(api.plauth, 'slice', slice.id, peer,
+ slice.peer_id)
+ print network.toxml()
+ return True
-"""
-Hook called via 'sfi.py create'
-"""
-def create_slice(api, xrn, xml):
- hrn = urn_to_hrn(xrn)[0]
- topo = Topology(api)
- topo.nodeTopoFromRSpec(xml)
- # Check request against current allocations
- topo.verifyNodeTopo(hrn, topo)
+def get_ticket(api, xrn, rspec, origin_hrn=None):
+ slice_hrn, type = urn_to_hrn(xrn)
+ # the the slice record
+ registries = Registries(api)
+ registry = registries[api.hrn]
+ credential = api.getCredential()
+ records = registry.resolve(credential, xrn)
- nodes = topo.nodesInTopo()
- hostnames = []
- for node in nodes:
- hostnames.append(node.hostname)
- create_slice_vini_aggregate(api, hrn, hostnames)
+ # make sure we get a local slice record
+ record = None
+ for tmp_record in records:
+ if tmp_record['type'] == 'slice' and \
+ not tmp_record['peer_authority']:
+ record = SliceRecord(dict=tmp_record)
+ if not record:
+ raise RecordNotFound(slice_hrn)
+
+ # get sliver info
+ slivers = Slices(api).get_slivers(slice_hrn)
+ if not slivers:
+ raise SliverDoesNotExist(slice_hrn)
+
+ # get initscripts
+ initscripts = []
+ data = {
+ 'timestamp': int(time.time()),
+ 'initscripts': initscripts,
+ 'slivers': slivers
+ }
+
+ # create the ticket
+ object_gid = record.get_gid_object()
+ new_ticket = SfaTicket(subject = object_gid.get_subject())
+ new_ticket.set_gid_caller(api.auth.client_gid)
+ new_ticket.set_gid_object(object_gid)
+ new_ticket.set_issuer(key=api.key, subject=api.hrn)
+ new_ticket.set_pubkey(object_gid.get_pubkey())
+ new_ticket.set_attributes(data)
+ new_ticket.set_rspec(rspec)
+ #new_ticket.set_parent(api.auth.hierarchy.get_auth_ticket(auth_hrn))
+ new_ticket.encode()
+ new_ticket.sign()
+
+ return new_ticket.save_to_string(save_parents=True)
+def start_slice(api, xrn):
+ hrn, type = urn_to_hrn(xrn)
slicename = hrn_to_pl_slicename(hrn)
- slice = get_slice(api, slicename)
- if slice:
- topo.updateSliceTags(slice)
+ slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
+ if not slices:
+ raise RecordNotFound(hrn)
+ slice_id = slices[0]
+ attributes = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
+ attribute_id = attreibutes[0]['slice_attribute_id']
+ api.plshell.UpdateSliceTag(api.plauth, attribute_id, "1" )
- # print topo.toxml(hrn)
+ return 1
+
+def stop_slice(api, xrn):
+ hrn, type = urn_to_hrn(xrn)
+ slicename = hrn_to_pl_slicename(hrn)
+ slices = api.plshell.GetSlices(api.plauth, {'name': slicename}, ['slice_id'])
+ if not slices:
+ raise RecordNotFound(hrn)
+ slice_id = slices[0]['slice_id']
+ attributes = api.plshell.GetSliceTags(api.plauth, {'slice_id': slice_id, 'name': 'enabled'}, ['slice_attribute_id'])
+ attribute_id = attributes[0]['slice_attribute_id']
+ api.plshell.UpdateSliceTag(api.plauth, attribute_id, "0")
+ return 1
- return True
+def reset_slice(api, xrn):
+ # XX not implemented at this interface
+ return 1
+
+def get_slices(api):
+ # XX just import the legacy module and excute that until
+ # we transition the code to this module
+ from sfa.plc.slices import Slices
+ slices = Slices(api)
+ slices.refresh()
+ return [hrn_to_urn(slice_hrn, 'slice') for slice_hrn in slices['hrn']]
+
+
+def get_rspec(api, xrn=None, origin_hrn=None):
+ hrn, type = urn_to_hrn(xrn)
+ network = ViniNetwork(api)
+ if (hrn):
+ network.get_slice(api, hrn)
+ if slice:
+ network.addSlice()
+
+ return network.toxml()
"""
-Returns the request context required by sfatables. At some point, this mechanism should be changed
-to refer to "contexts", which is the information that sfatables is requesting. But for now, we just
-return the basic information needed in a dict.
+Returns the request context required by sfatables. At some point, this
+mechanism should be changed to refer to "contexts", which is the
+information that sfatables is requesting. But for now, we just return
+the basic information needed in a dict.
"""
-def fetch_context(slice_hrn, user_hrn, contexts):
- base_context = {'sfa':{'user':{'hrn':user_hrn},
- 'slice':{'hrn':slice_hrn}}}
+def fetch_context(slice_xrn, user_xrn, contexts):
+ slice_hrn, type = urn_to_hrn(slice_xrn)
+ user_hrn, type = urn_to_hrn(user_xrn)
+ base_context = {'sfa':{'user':{'hrn':user_hrn}}}
return base_context
def main():
api = SfaAPI()
- #rspec = get_rspec(api, "plc.princeton.iias", None)
- #print rspec
+ """
+ #rspec = get_rspec(api, None, None)
+ rspec = get_rspec(api, "plc.princeton.iias", None)
+ print rspec
+ """
f = open(sys.argv[1])
xml = f.read()
f.close()
git://git.onelab.eu / sfa.git / commitdiff