X-Git-Url: http://git.onelab.eu/?p=plcapi.git;a=blobdiff_plain;f=PLC%2FSlices.py;h=e5a51ebed58cf195c4293a4c06c8a54ae08743e3;hp=d3b6f7866787b87518a59500ddccc670fcf2bdb3;hb=13901cd4465288b634103c1997a5653500f2b5cc;hpb=e9535e3a0eccea0164d15150afe3fafab532fb82 diff --git a/PLC/Slices.py b/PLC/Slices.py index d3b6f78..e5a51eb 100644 --- a/PLC/Slices.py +++ b/PLC/Slices.py @@ -3,13 +3,15 @@ import time import re from PLC.Faults import * -from PLC.Parameter import Parameter +from PLC.Parameter import Parameter, Mixed from PLC.Filter import Filter from PLC.Debug import profile from PLC.Table import Row, Table from PLC.SliceInstantiations import SliceInstantiation, SliceInstantiations -from PLC.Nodes import Node, Nodes +from PLC.Nodes import Node from PLC.Persons import Person, Persons +from PLC.SliceTags import SliceTag +from PLC.Timestamp import Timestamp class Slice(Row): """ @@ -21,11 +23,11 @@ class Slice(Row): table_name = 'slices' primary_key = 'slice_id' - join_tables = ['slice_node', 'slice_person', 'slice_attribute', 'peer_slice'] + join_tables = ['slice_node', 'slice_person', 'slice_tag', 'peer_slice', 'node_slice_whitelist', 'leases', ] fields = { 'slice_id': Parameter(int, "Slice identifier"), 'site_id': Parameter(int, "Identifier of the site to which this slice belongs"), - 'name': Parameter(str, "Slice name", max = 32), + 'name': Parameter(str, "Slice name", max = 64), 'instantiation': Parameter(str, "Slice instantiation state"), 'url': Parameter(str, "URL further describing this slice", max = 254, nullok = True), 'description': Parameter(str, "Slice description", max = 2048, nullok = True), @@ -35,22 +37,19 @@ class Slice(Row): 'expires': Parameter(int, "Date and time when slice expires, in seconds since UNIX epoch"), '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), + 'slice_tag_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' + related_fields = { + 'persons': [Mixed(Parameter(int, "Person identifier"), + Parameter(str, "Email address"))], + 'nodes': [Mixed(Parameter(int, "Node identifier"), + Parameter(str, "Fully qualified hostname"))] + } + + view_tags_name="view_slice_tags" + tags = {} def validate_name(self, name): # N.B.: Responsibility of the caller to ensure that login_base @@ -61,7 +60,7 @@ class Slice(Row): # 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-z0-9]+_[a-zA-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" @@ -86,7 +85,7 @@ class Slice(Row): # N.B.: Responsibility of the caller to ensure that expires is # not too far into the future. check_future = not ('is_deleted' in self and self['is_deleted']) - return Row.validate_timestamp(self, expires, check_future = check_future) + return Timestamp.sql_validate( expires, check_future = check_future) add_person = Row.add_object(Person, 'slice_person') remove_person = Row.remove_object(Person, 'slice_person') @@ -94,6 +93,130 @@ class Slice(Row): add_node = Row.add_object(Node, 'slice_node') remove_node = Row.remove_object(Node, 'slice_node') + add_to_node_whitelist = Row.add_object(Node, 'node_slice_whitelist') + delete_from_node_whitelist = Row.remove_object(Node, 'node_slice_whitelist') + + def associate_persons(self, auth, field, value): + """ + Adds persons found in value list to this slice (using AddPersonToSlice). + Deletes persons not found in value list from this slice (using DeletePersonFromSlice). + """ + + assert 'person_ids' in self + assert 'slice_id' in self + assert isinstance(value, list) + + (person_ids, emails) = self.separate_types(value)[0:2] + + # Translate emails into person_ids + if emails: + persons = Persons(self.api, emails, ['person_id']).dict('person_id') + person_ids += persons.keys() + + # Add new ids, remove stale ids + if self['person_ids'] != person_ids: + from PLC.Methods.AddPersonToSlice import AddPersonToSlice + from PLC.Methods.DeletePersonFromSlice import DeletePersonFromSlice + new_persons = set(person_ids).difference(self['person_ids']) + stale_persons = set(self['person_ids']).difference(person_ids) + + for new_person in new_persons: + AddPersonToSlice.__call__(AddPersonToSlice(self.api), auth, new_person, self['slice_id']) + for stale_person in stale_persons: + DeletePersonFromSlice.__call__(DeletePersonFromSlice(self.api), auth, stale_person, self['slice_id']) + + def associate_nodes(self, auth, field, value): + """ + Adds nodes found in value list to this slice (using AddSliceToNodes). + Deletes nodes not found in value list from this slice (using DeleteSliceFromNodes). + """ + + from PLC.Nodes import Nodes + + assert 'node_ids' in self + assert 'slice_id' in self + assert isinstance(value, list) + + (node_ids, hostnames) = self.separate_types(value)[0:2] + + # Translate hostnames into node_ids + if hostnames: + nodes = Nodes(self.api, hostnames, ['node_id']).dict('node_id') + node_ids += nodes.keys() + + # Add new ids, remove stale ids + if self['node_ids'] != node_ids: + from PLC.Methods.AddSliceToNodes import AddSliceToNodes + from PLC.Methods.DeleteSliceFromNodes import DeleteSliceFromNodes + new_nodes = set(node_ids).difference(self['node_ids']) + stale_nodes = set(self['node_ids']).difference(node_ids) + + if new_nodes: + AddSliceToNodes.__call__(AddSliceToNodes(self.api), auth, self['slice_id'], list(new_nodes)) + if stale_nodes: + DeleteSliceFromNodes.__call__(DeleteSliceFromNodes(self.api), auth, self['slice_id'], list(stale_nodes)) + def associate_slice_tags(self, auth, fields, value): + """ + Deletes slice_tag_ids not found in value list (using DeleteSliceTag). + Adds slice_tags if slice_fields w/o slice_id is found (using AddSliceTag). + Updates slice_tag if slice_fields w/ slice_id is found (using UpdateSlceiAttribute). + """ + + assert 'slice_tag_ids' in self + assert isinstance(value, list) + + (attribute_ids, blank, attributes) = self.separate_types(value) + + # There is no way to add attributes by id. They are + # associated with a slice when they are created. + # So we are only looking to delete here + if self['slice_tag_ids'] != attribute_ids: + from PLC.Methods.DeleteSliceTag import DeleteSliceTag + stale_attributes = set(self['slice_tag_ids']).difference(attribute_ids) + + for stale_attribute in stale_attributes: + DeleteSliceTag.__call__(DeleteSliceTag(self.api), auth, stale_attribute['slice_tag_id']) + + # If dictionary exists, we are either adding new + # attributes or updating existing ones. + if attributes: + from PLC.Methods.AddSliceTag import AddSliceTag + from PLC.Methods.UpdateSliceTag import UpdateSliceTag + + added_attributes = filter(lambda x: 'slice_tag_id' not in x, attributes) + updated_attributes = filter(lambda x: 'slice_tag_id' in x, attributes) + + for added_attribute in added_attributes: + if 'tag_type' in added_attribute: + type = added_attribute['tag_type'] + elif 'tag_type_id' in added_attribute: + type = added_attribute['tag_type_id'] + else: + raise PLCInvalidArgument, "Must specify tag_type or tag_type_id" + + if 'value' in added_attribute: + value = added_attribute['value'] + else: + raise PLCInvalidArgument, "Must specify a value" + + if 'node_id' in added_attribute: + node_id = added_attribute['node_id'] + else: + node_id = None + + if 'nodegroup_id' in added_attribute: + nodegroup_id = added_attribute['nodegroup_id'] + else: + nodegroup_id = None + + AddSliceTag.__call__(AddSliceTag(self.api), auth, self['slice_id'], type, value, node_id, nodegroup_id) + for updated_attribute in updated_attributes: + attribute_id = updated_attribute.pop('slice_tag_id') + if attribute_id not in self['slice_tag_ids']: + raise PLCInvalidArgument, "Attribute doesnt belong to this slice" + else: + UpdateSliceTag.__call__(UpdateSliceTag(self.api), auth, attribute_id, updated_attribute) + def sync(self, commit = True): """ Add or update a slice. @@ -123,6 +246,7 @@ class Slice(Row): self['is_deleted'] = True self.sync(commit) + class Slices(Table): """ Representation of row(s) from the slices table in the @@ -132,8 +256,15 @@ class Slices(Table): 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(self.columns) + # the view that we're selecting upon: start with view_slices + view = "view_slices" + # as many left joins as requested tags + for tagname in self.tag_columns: + view= "%s left join %s using (%s)"%(view,Slice.tagvalue_view_name(tagname), + Slice.primary_key) + + sql = "SELECT %s FROM %s WHERE is_deleted IS False" % \ + (", ".join(self.columns.keys()+self.tag_columns.keys()),view) if expires is not None: if expires >= 0: @@ -148,9 +279,18 @@ class Slices(Table): ints = filter(lambda x: isinstance(x, (int, long)), slice_filter) strs = filter(lambda x: isinstance(x, StringTypes), slice_filter) slice_filter = Filter(Slice.fields, {'slice_id': ints, 'name': strs}) - sql += " AND (%s)" % slice_filter.sql(api, "OR") + sql += " AND (%s) %s" % slice_filter.sql(api, "OR") elif isinstance(slice_filter, dict): - slice_filter = Filter(Slice.fields, slice_filter) - sql += " AND (%s)" % slice_filter.sql(api, "AND") + allowed_fields=dict(Slice.fields.items()+Slice.tags.items()) + slice_filter = Filter(allowed_fields, slice_filter) + sql += " AND (%s) %s" % slice_filter.sql(api, "AND") + elif isinstance (slice_filter, StringTypes): + slice_filter = Filter(Slice.fields, {'name':slice_filter}) + sql += " AND (%s) %s" % slice_filter.sql(api, "AND") + elif isinstance (slice_filter, (int, long)): + slice_filter = Filter(Slice.fields, {'slice_id':slice_filter}) + sql += " AND (%s) %s" % slice_filter.sql(api, "AND") + else: + raise PLCInvalidArgument, "Wrong slice filter %r"%slice_filter self.selectall(sql)