from PLC.Filter import Filter
from PLC.Debug import profile
from PLC.Table import Row, Table
-from PLC.SliceInstantiations import SliceInstantiations
-from PLC.Nodes import Node, Nodes
-from PLC.ForeignNodes import ForeignNode, ForeignNodes
-import PLC.Persons
+from PLC.SliceInstantiations import SliceInstantiation, SliceInstantiations
+from PLC.Nodes import Node
+from PLC.Persons import Person, Persons
class Slice(Row):
"""
table_name = 'slices'
primary_key = 'slice_id'
+ join_tables = ['slice_node', 'slice_person', 'slice_attribute', 'peer_slice', 'node_slice_whitelist']
fields = {
'slice_id': Parameter(int, "Slice identifier"),
'site_id': Parameter(int, "Identifier of the site to which this slice belongs"),
'node_ids': Parameter([int], "List of nodes in this slice", ro = True),
'person_ids': Parameter([int], "List of accounts that can use this slice", ro = True),
'slice_attribute_ids': Parameter([int], "List of slice attributes", ro = True),
+ 'peer_id': Parameter(int, "Peer to which this slice belongs", nullok = True),
+ 'peer_slice_id': Parameter(int, "Foreign slice identifier at peer", nullok = True),
}
+ # for Cache
+ class_key = 'name'
+ foreign_fields = ['instantiation', 'url', 'description', 'max_nodes', 'expires']
+ foreign_xrefs = [
+ {'field': 'node_ids' , 'class': 'Node', 'table': 'slice_node' },
+ {'field': 'person_ids', 'class': 'Person', 'table': 'slice_person'},
+ {'field': 'creator_person_id', 'class': 'Person', 'table': 'unused-on-direct-refs'},
+ {'field': 'site_id', 'class': 'Site', 'table': 'unused-on-direct-refs'},
+ ]
+ # forget about this one, it is read-only anyway
+ # handling it causes Cache to re-sync all over again
+ # 'created'
def validate_name(self, name):
# N.B.: Responsibility of the caller to ensure that login_base
# desired.
# 1. Lowercase.
- # 2. Begins with login_base (only letters).
+ # 2. Begins with login_base (letters or numbers).
# 3. Then single underscore after login_base.
# 4. Then letters, numbers, or underscores.
- good_name = r'^[a-z]+_[a-z0-9_]+$'
+ good_name = r'^[a-z0-9]+_[a-zA-Z0-9_]+$'
if not name or \
not re.match(good_name, name):
raise PLCInvalidArgument, "Invalid slice name"
conflicts = Slices(self.api, [name])
- for slice_id, slice in conflicts.iteritems():
- if 'slice_id' not in self or self['slice_id'] != slice_id:
- raise PLCInvalidArgument, "Slice name already in use"
+ for slice in conflicts:
+ if 'slice_id' not in self or self['slice_id'] != slice['slice_id']:
+ raise PLCInvalidArgument, "Slice name already in use, %s"%name
return name
def validate_instantiation(self, instantiation):
- instantiations = SliceInstantiations(self.api)
+ instantiations = [row['instantiation'] for row in SliceInstantiations(self.api)]
if instantiation not in instantiations:
raise PLCInvalidArgument, "No such instantiation state"
return instantiation
+ validate_created = Row.validate_timestamp
+
def validate_expires(self, expires):
# N.B.: Responsibility of the caller to ensure that expires is
# not too far into the future.
- if expires < time.time():
- raise PLCInvalidArgument, "Expiration date must be in the future"
-
- return time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(expires))
-
- def add_person(self, person, commit = True):
- """
- Add person to existing slice.
- """
-
- assert 'slice_id' in self
- assert isinstance(person, PLC.Persons.Person)
- assert 'person_id' in person
-
- slice_id = self['slice_id']
- person_id = person['person_id']
-
- if person_id not in self['person_ids']:
- assert slice_id not in person['slice_ids']
-
- self.api.db.do("INSERT INTO slice_person (person_id, slice_id)" \
- " VALUES(%(person_id)d, %(slice_id)d)",
- locals())
-
- if commit:
- self.api.db.commit()
-
- self['person_ids'].append(person_id)
- person['slice_ids'].append(slice_id)
-
- def remove_person(self, person, commit = True):
- """
- Remove person from existing slice.
- """
-
- assert 'slice_id' in self
- assert isinstance(person, PLC.Persons.Person)
- assert 'person_id' in person
-
- slice_id = self['slice_id']
- person_id = person['person_id']
-
- if person_id in self['person_ids']:
- assert slice_id in person['slice_ids']
-
- self.api.db.do("DELETE FROM slice_person" \
- " WHERE person_id = %(person_id)d" \
- " AND slice_id = %(slice_id)d",
- locals())
-
- if commit:
- self.api.db.commit()
+ check_future = not ('is_deleted' in self and self['is_deleted'])
+ return Row.validate_timestamp(self, expires, check_future = check_future)
- self['person_ids'].remove(person_id)
- person['slice_ids'].remove(slice_id)
+ add_person = Row.add_object(Person, 'slice_person')
+ remove_person = Row.remove_object(Person, 'slice_person')
- def add_node(self, node, is_foreign_node = False, commit = True):
- """
- Add node to existing slice.
- """
-
- assert 'slice_id' in self
- if not is_foreign_node:
- assert isinstance(node, Node)
- else:
- assert isinstance(node, ForeignNode)
- assert 'node_id' in node
-
- slice_id = self['slice_id']
- node_id = node['node_id']
-
- if node_id not in self['node_ids']:
- assert slice_id not in node['slice_ids']
+ add_node = Row.add_object(Node, 'slice_node')
+ remove_node = Row.remove_object(Node, 'slice_node')
- self.api.db.do("INSERT INTO slice_node (node_id, slice_id)" \
- " VALUES(%(node_id)d, %(slice_id)d)",
- locals())
-
- if commit:
- self.api.db.commit()
-
- self['node_ids'].append(node_id)
- node['slice_ids'].append(slice_id)
-
- def remove_node(self, node, commit = True):
- """
- Remove node from existing slice.
- """
-
- assert 'slice_id' in self
- assert isinstance(node, Node)
- assert 'node_id' in node
-
- slice_id = self['slice_id']
- node_id = node['node_id']
-
- if node_id in self['node_ids']:
- assert slice_id in node['slice_ids']
-
- self.api.db.do("DELETE FROM slice_node" \
- " WHERE node_id = %(node_id)d" \
- " AND slice_id = %(slice_id)d",
- locals())
-
- if commit:
- self.api.db.commit()
-
- self['node_ids'].remove(node_id)
- node['slice_ids'].remove(slice_id)
+ add_to_node_whitelist = Row.add_object(Node, 'node_slice_whitelist')
+ delete_from_node_whitelist = Row.remove_object(Node, 'node_slice_whitelist')
def sync(self, commit = True):
"""
# Before a new slice is added, delete expired slices
if 'slice_id' not in self:
- expired = Slices(self.api, expires = -int(time.time())).values()
+ expired = Slices(self.api, expires = -int(time.time()))
for slice in expired:
slice.delete(commit)
assert 'slice_id' in self
# Clean up miscellaneous join tables
- for table in ['slice_node', 'slice_person', 'slice_attribute']:
- self.api.db.do("DELETE FROM %s" \
- " WHERE slice_id = %d" % \
- (table, self['slice_id']), self)
+ for table in self.join_tables:
+ self.api.db.do("DELETE FROM %s WHERE slice_id = %d" % \
+ (table, self['slice_id']))
# Mark as deleted
self['is_deleted'] = True
database.
"""
- def __init__(self, api, slice_filter = None, expires = int(time.time())):
- Table.__init__(self, api, Slice)
+ def __init__(self, api, slice_filter = None, columns = None, expires = int(time.time())):
+ Table.__init__(self, api, Slice, columns)
sql = "SELECT %s FROM view_slices WHERE is_deleted IS False" % \
- ", ".join(Slice.fields)
+ ", ".join(self.columns)
if expires is not None:
if expires >= 0:
- sql += " AND expires > %(expires)d"
+ sql += " AND expires > %d" % expires
else:
expires = -expires
- sql += " AND expires < %(expires)d"
+ sql += " AND expires < %d" % expires
if slice_filter is not None:
- if isinstance(slice_filter, list):
+ if isinstance(slice_filter, (list, tuple, set)):
# Separate the list into integers and strings
ints = filter(lambda x: isinstance(x, (int, long)), slice_filter)
strs = filter(lambda x: isinstance(x, StringTypes), slice_filter)
elif isinstance(slice_filter, dict):
slice_filter = Filter(Slice.fields, slice_filter)
sql += " AND (%s)" % slice_filter.sql(api, "AND")
+ elif isinstance (slice_filter, StringTypes):
+ slice_filter = Filter(Slice.fields, {'name':[slice_filter]})
+ sql += " AND (%s)" % slice_filter.sql(api, "AND")
+ elif isinstance (slice_filter, int):
+ slice_filter = Filter(Slice.fields, {'slice_id':[slice_filter]})
+ sql += " AND (%s)" % slice_filter.sql(api, "AND")
+ else:
+ raise PLCInvalidArgument, "Wrong slice filter %r"%slice_filter
- self.selectall(sql, locals())
+ self.selectall(sql)
git://git.onelab.eu / plcapi.git / blobdiff