+# $Id$
+# $URL$
import time
from PLC.Faults import *
from PLC.Method import Method
from PLC.Parameter import Parameter, Mixed
-from PLC.Slices import Slice, Slices
+from PLC.Table import Row
from PLC.Auth import Auth
+
+from PLC.Slices import Slice, Slices
from PLC.Sites import Site, Sites
+from PLC.TagTypes import TagTypes
+from PLC.SliceTags import SliceTags
+from PLC.Methods.AddSliceTag import AddSliceTag
+from PLC.Methods.UpdateSliceTag import UpdateSliceTag
-can_update = lambda (field, value): field in \
- ['instantiation', 'url', 'description', 'max_nodes', 'expires']
+can_update = ['instantiation', 'url', 'description', 'max_nodes', 'expires']
class UpdateSlice(Method):
"""
roles = ['admin', 'pi', 'user']
- slice_fields = dict(filter(can_update, Slice.fields.items()))
+ accepted_fields = Row.accepted_fields(can_update, Slice.fields)
+ # xxx check the related_fields feature
+ accepted_fields.update(Slice.related_fields)
+ accepted_fields.update(Slice.tags)
accepts = [
Auth(),
Mixed(Slice.fields['slice_id'],
Slice.fields['name']),
- slice_fields
+ accepted_fields
]
returns = Parameter(int, '1 if successful')
def call(self, auth, slice_id_or_name, slice_fields):
- slice_fields = dict(filter(can_update, slice_fields.items()))
- slices = Slices(self.api, [slice_id_or_name])
+ # split provided fields
+ [native,related,tags,rejected] = Row.split_fields(slice_fields,[Slice.fields,Slice.related_fields,Slice.tags])
+
+ # type checking
+ native = Row.check_fields (native, self.accepted_fields)
+ if rejected:
+ raise PLCInvalidArgument, "Cannot update Slice column(s) %r"%rejected
+
+ slices = Slices(self.api, [slice_id_or_name])
if not slices:
- raise PLCInvalidArgument, "No such slice"
+ raise PLCInvalidArgument, "No such slice %r"%slice_id_or_name
slice = slices[0]
if slice['peer_id'] is not None:
raise PLCInvalidArgument, "Not a local slice"
+ # Authenticated function
+ assert self.caller is not None
+
if 'admin' not in self.caller['roles']:
if self.caller['person_id'] in slice['person_ids']:
pass
raise PLCPermissionDenied, "Specified slice not associated with any of your sites"
# Renewing
+ renewing=False
if 'expires' in slice_fields and slice_fields['expires'] > slice['expires']:
sites = Sites(self.api, [slice['site_id']])
assert sites
site = sites[0]
- if site['max_slices'] < 0:
+ if site['max_slices'] <= 0:
raise PLCInvalidArgument, "Slice creation and renewal have been disabled for the site"
# Maximum expiration date is 8 weeks from now
if 'admin' not in self.caller['roles'] and slice_fields['expires'] > max_expires:
raise PLCInvalidArgument, "Cannot renew a slice beyond 8 weeks from now"
+ # XXX Make this a configurable policy
+ if slice['description'] is None or not slice['description'].strip():
+ if 'description' not in slice_fields or slice_fields['description'] is None or \
+ not slice_fields['description'].strip():
+ raise PLCInvalidArgument, "Cannot renew a slice with an empty description or URL"
+
+ if slice['url'] is None or not slice['url'].strip():
+ if 'url' not in slice_fields or slice_fields['url'] is None or \
+ not slice_fields['url'].strip():
+ raise PLCInvalidArgument, "Cannot renew a slice with an empty description or URL"
+ renewing=True
+
if 'max_nodes' in slice_fields and slice_fields['max_nodes'] != slice['max_nodes']:
if 'admin' not in self.caller['roles'] and \
'pi' not in self.caller['roles']:
raise PLCInvalidArgument, "Only admins and PIs may update max_nodes"
- slice.update(slice_fields)
-
- # XXX Make this a configurable policy
- if slice['description'] is None or not slice['description'].strip() or \
- slice['url'] is None or not slice['url'].strip():
- raise PLCInvalidArgument, "Cannot renew a slice with an empty description or URL"
-
- slice.sync()
- self.object_ids = [slice['slice_id']]
+ # Make requested associations
+ for (k,v) in related.iteritems():
+ slice.associate(auth,k,v)
+
+ slice.update(slice_fields)
+ slice.sync(commit=True)
+
+ for (tagname,value) in tags.iteritems():
+ # the tagtype instance is assumed to exist, just check that
+ if not TagTypes(self.api,{'tagname':tagname}):
+ raise PLCInvalidArgument,"No such TagType %s"%tagname
+ slice_tags=SliceTags(self.api,{'tagname':tagname,'slice_id':slice['slice_id']})
+ if not slice_tags:
+ AddSliceTag(self.api).__call__(auth,slice['slice_id'],tagname,value)
+ else:
+ UpdateSliceTag(self.api).__call__(auth,slice_tags[0]['slice_tag_id'],value)
+
+ self.event_objects = {'Slice': [slice['slice_id']]}
+ if 'name' in slice:
+ self.message='Slice %s updated'%slice['name']
+ else:
+ self.message='Slice %d updated'%slice['slice_id']
+ if renewing:
+ # it appears that slice['expires'] may be either an int, or a formatted string
+ try:
+ expire_date=time.strftime('%Y-%m-%d:%H:%M',time.localtime(float(slice['expires'])))
+ except:
+ expire_date=slice['expires']
+ self.message += ' renewed until %s'%expire_date
return 1