from PLC.Faults import *
from PLC.Parameter import Parameter
+from PLC.Filter import Filter
from PLC.Debug import profile
from PLC.Table import Row, Table
from PLC.Slices import Slice, Slices
from PLC.PCUs import PCU, PCUs
from PLC.Nodes import Node, Nodes
-from PLC.NodeGroups import NodeGroup, NodeGroups
-import PLC.Persons
+from PLC.Addresses import Address, Addresses
+from PLC.Persons import Person, Persons
class Site(Row):
"""
Representation of a row in the sites table. To use, optionally
instantiate with a dict of values. Update as you would a
- dict. Commit to the database with flush().
+ dict. Commit to the database with sync().
"""
+ table_name = 'sites'
+ primary_key = 'site_id'
+ join_tables = ['person_site', 'site_address', 'peer_site']
fields = {
'site_id': Parameter(int, "Site identifier"),
'name': Parameter(str, "Full site name", max = 254),
'abbreviated_name': Parameter(str, "Abbreviated site name", max = 50),
'login_base': Parameter(str, "Site slice prefix", max = 20),
'is_public': Parameter(bool, "Publicly viewable site"),
- 'latitude': Parameter(float, "Decimal latitude of the site", min = -90.0, max = 90.0),
- 'longitude': Parameter(float, "Decimal longitude of the site", min = -180.0, max = 180.0),
- 'url': Parameter(str, "URL of a page that describes the site", max = 254),
- 'nodegroup_id': Parameter(int, "Identifier of the nodegroup containing the site's nodes"),
- 'organization_id': Parameter(int, "Organizational identifier if the site is part of a larger organization"),
- 'ext_consortium_id': Parameter(int, "Consortium identifier if the site is part of an external consortium"),
- 'date_created': Parameter(str, "Date and time when node entry was created"),
- 'deleted': Parameter(bool, "Has been deleted"),
- }
-
- # These fields are derived from join tables and are not actually
- # in the sites table.
- join_fields = {
+ 'enabled': Parameter(bool, "Has been enabled"),
+ 'latitude': Parameter(float, "Decimal latitude of the site", min = -90.0, max = 90.0, nullok = True),
+ 'longitude': Parameter(float, "Decimal longitude of the site", min = -180.0, max = 180.0, nullok = True),
+ 'url': Parameter(str, "URL of a page that describes the site", max = 254, nullok = True),
+ 'date_created': Parameter(int, "Date and time when site entry was created, in seconds since UNIX epoch", ro = True),
+ 'last_updated': Parameter(int, "Date and time when site entry was last updated, in seconds since UNIX epoch", ro = True),
'max_slices': Parameter(int, "Maximum number of slices that the site is able to create"),
- 'site_share': Parameter(float, "Relative resource share for this site's slices"),
- }
-
- # These fields are derived from join tables and are not returned
- # by default unless specified.
- extra_fields = {
+ 'max_slivers': Parameter(int, "Maximum number of slivers that the site is able to create"),
'person_ids': Parameter([int], "List of account identifiers"),
'slice_ids': Parameter([int], "List of slice identifiers"),
- 'defaultattribute_ids': Parameter([int], "List of default slice attribute identifiers"),
+ 'address_ids': Parameter([int], "List of address identifiers"),
'pcu_ids': Parameter([int], "List of PCU identifiers"),
'node_ids': Parameter([int], "List of site node identifiers"),
+ 'peer_id': Parameter(int, "Peer to which this site belongs", nullok = True),
+ 'peer_site_id': Parameter(int, "Foreign site identifier at peer", nullok = True),
}
- default_fields = dict(fields.items() + join_fields.items())
- all_fields = dict(default_fields.items() + extra_fields.items())
+ # for Cache
+ class_key = 'login_base'
+ foreign_fields = ['abbreviated_name', 'name', 'is_public', 'latitude', 'longitude',
+ 'url', 'max_slices', 'max_slivers',
+ ]
+ # forget about these ones, they are read-only anyway
+ # handling them causes Cache to re-sync all over again
+ # 'last_updated', 'date_created'
+ foreign_xrefs = []
- # Number of slices assigned to each site at the time that the site is created
- default_max_slices = 0
+ def validate_name(self, name):
+ if not len(name):
+ raise PLCInvalidArgument, "Name must be specified"
- # XXX Useless, unclear what this value means
- default_site_share = 1.0
+ return name
- def __init__(self, api, fields):
- Row.__init__(self, fields)
- self.api = api
+ validate_abbreviated_name = validate_name
def validate_login_base(self, login_base):
- if not set(login_base).issubset(string.ascii_letters):
- raise PLCInvalidArgument, "Login base must consist only of ASCII letters"
+ if not len(login_base):
+ raise PLCInvalidArgument, "Login base must be specified"
+
+ if not set(login_base).issubset(string.lowercase + string.digits):
+ raise PLCInvalidArgument, "Login base must consist only of lowercase ASCII letters or numbers"
- login_base = login_base.lower()
conflicts = Sites(self.api, [login_base])
- for site_id, site in conflicts.iteritems():
- if not site['deleted'] and ('site_id' not in self or self['site_id'] != site_id):
+ for site in conflicts:
+ if 'site_id' not in self or self['site_id'] != site['site_id']:
raise PLCInvalidArgument, "login_base already in use"
return login_base
return longitude
- def validate_nodegroup_id(self, nodegroup_id):
- nodegroups = NodeGroups(self.api)
- if nodegroup_id not in nodegroups:
- raise PLCInvalidArgument, "No such nodegroup"
-
- return nodegroup_id
-
- def validate_organization_id(self, organization_id):
- organizations = Organizations(self.api)
- if role_id not in organizations:
- raise PLCInvalidArgument, "No such organization"
-
- return organization_id
-
- def validate_ext_consortium_id(self, organization_id):
- consortiums = Consortiums(self.api)
- if consortium_id not in consortiums:
- raise PLCInvalidArgument, "No such consortium"
-
- return nodegroup_id
+ validate_date_created = Row.validate_timestamp
+ validate_last_updated = Row.validate_timestamp
- def add_person(self, person, commit = True):
- """
- Add person to existing site.
- """
-
- assert 'site_id' in self
- assert isinstance(person, PLC.Persons.Person)
- assert 'person_id' in person
-
- site_id = self['site_id']
- person_id = person['person_id']
- self.api.db.do("INSERT INTO person_site (person_id, site_id)" \
- " VALUES(%(person_id)d, %(site_id)d)",
- locals())
+ add_person = Row.add_object(Person, 'person_site')
+ remove_person = Row.remove_object(Person, 'person_site')
- if commit:
- self.api.db.commit()
-
- if 'person_ids' in self and person_id not in self['person_ids']:
- self['person_ids'].append(person_id)
-
- if 'site_ids' in person and site_id not in person['site_ids']:
- person['site_ids'].append(site_id)
-
- def remove_person(self, person, commit = True):
- """
- Remove person from existing site.
- """
-
- assert 'site_id' in self
- assert isinstance(person, PLC.Persons.Person)
- assert 'person_id' in person
-
- site_id = self['site_id']
- person_id = person['person_id']
- self.api.db.do("DELETE FROM person_site" \
- " WHERE person_id = %(person_id)d" \
- " AND site_id = %(site_id)d",
- locals())
-
- if commit:
- self.api.db.commit()
-
- if 'person_ids' in self and person_id in self['person_ids']:
- self['person_ids'].remove(person_id)
-
- if 'site_ids' in person and site_id in person['site_ids']:
- person['site_ids'].remove(site_id)
-
- def flush(self, commit = True):
- """
- Flush changes back to the database.
- """
-
- self.validate()
-
- try:
- if not self['name'] or \
- not self['abbreviated_name'] or \
- not self['login_base']:
- raise KeyError
- except KeyError:
- raise PLCInvalidArgument, "name, abbreviated_name, and login_base must all be specified"
-
- # Fetch a new site_id if necessary
- if 'site_id' not in self:
- rows = self.api.db.selectall("SELECT NEXTVAL('sites_site_id_seq') AS site_id")
- if not rows:
- raise PLCDBError, "Unable to fetch new site_id"
- self['site_id'] = rows[0]['site_id']
- insert = True
- else:
- insert = False
-
- # Create site node group if necessary
- if 'nodegroup_id' not in self:
- rows = self.api.db.selectall("SELECT NEXTVAL('nodegroups_nodegroup_id_seq') as nodegroup_id")
- if not rows:
- raise PLCDBError, "Unable to fetch new nodegroup_id"
- self['nodegroup_id'] = rows[0]['nodegroup_id']
-
- nodegroup_id = self['nodegroup_id']
- # XXX Needs a unique name because we cannot delete site node groups yet
- name = self['login_base'] + str(self['site_id'])
- description = "Nodes at " + self['login_base']
- is_custom = False
- self.api.db.do("INSERT INTO nodegroups (nodegroup_id, name, description, is_custom)" \
- " VALUES (%(nodegroup_id)d, %(name)s, %(description)s, %(is_custom)s)",
- locals())
-
- # Filter out fields that cannot be set or updated directly
- fields = dict(filter(lambda (key, value): key in self.fields,
- self.items()))
-
- # Parameterize for safety
- keys = fields.keys()
- values = [self.api.db.param(key, value) for (key, value) in fields.items()]
-
- if insert:
- # Insert new row in sites table
- self.api.db.do("INSERT INTO sites (%s) VALUES (%s)" % \
- (", ".join(keys), ", ".join(values)),
- fields)
-
- # Setup default slice site info
- # XXX Will go away soon
- self['max_slices'] = self.default_max_slices
- self['site_share'] = self.default_site_share
- self.api.db.do("INSERT INTO dslice03_siteinfo (site_id, max_slices, site_share)" \
- " VALUES (%(site_id)d, %(max_slices)d, %(site_share)f)",
- self)
- else:
- # Update default slice site info
- # XXX Will go away soon
- if 'max_slices' in self and 'site_share' in self:
- self.api.db.do("UPDATE dslice03_siteinfo SET " \
- " max_slices = %(max_slices)d, site_share = %(site_share)f" \
- " WHERE site_id = %(site_id)d",
- self)
-
- # Update existing row in sites table
- columns = ["%s = %s" % (key, value) for (key, value) in zip(keys, values)]
- self.api.db.do("UPDATE sites SET " + \
- ", ".join(columns) + \
- " WHERE site_id = %(site_id)d",
- fields)
-
- if commit:
- self.api.db.commit()
+ add_address = Row.add_object(Address, 'site_address')
+ remove_address = Row.remove_object(Address, 'site_address')
def delete(self, commit = True):
"""
assert 'site_id' in self
- # Make sure extra fields are present
- sites = Sites(self.api, [self['site_id']],
- ['person_ids', 'slice_ids', 'pcu_ids', 'node_ids'])
- assert sites
- self.update(sites.values()[0])
-
# Delete accounts of all people at the site who are not
# members of at least one other non-deleted site.
- persons = PLC.Persons.Persons(self.api, self['person_ids'])
- for person_id, person in persons.iteritems():
+ persons = Persons(self.api, self['person_ids'])
+ for person in persons:
delete = True
person_sites = Sites(self.api, person['site_ids'])
- for person_site_id, person_site in person_sites.iteritems():
- if person_site_id != self['site_id'] and \
- not person_site['deleted']:
+ for person_site in person_sites:
+ if person_site['site_id'] != self['site_id']:
delete = False
break
if delete:
person.delete(commit = False)
+ # Delete all site addresses
+ addresses = Addresses(self.api, self['address_ids'])
+ for address in addresses:
+ address.delete(commit = False)
+
# Delete all site slices
slices = Slices(self.api, self['slice_ids'])
- for slice in slices.values():
+ for slice in slices:
slice.delete(commit = False)
# Delete all site PCUs
pcus = PCUs(self.api, self['pcu_ids'])
- for pcu in pcus.values():
+ for pcu in pcus:
pcu.delete(commit = False)
# Delete all site nodes
nodes = Nodes(self.api, self['node_ids'])
- for node in nodes.values():
+ for node in nodes:
node.delete(commit = False)
# Clean up miscellaneous join tables
- for table in ['site_authorized_subnets',
- 'dslice03_defaultattribute',
- 'dslice03_siteinfo']:
- self.api.db.do("DELETE FROM %s" \
- " WHERE site_id = %d" % \
+ for table in self.join_tables:
+ self.api.db.do("DELETE FROM %s WHERE site_id = %d" % \
(table, self['site_id']))
- # XXX Cannot delete site node groups yet
-
# Mark as deleted
self['deleted'] = True
- self.flush(commit)
+ self.sync(commit)
class Sites(Table):
"""
Representation of row(s) from the sites table in the
- database. Specify extra_fields to be able to view and modify extra
- fields.
+ database.
"""
- def __init__(self, api, site_id_or_login_base_list = None, extra_fields = []):
- self.api = api
-
- sql = "SELECT sites.*" \
- ", dslice03_siteinfo.max_slices"
-
- # N.B.: Joined IDs may be marked as deleted in their primary tables
- join_tables = {
- # extra_field: (extra_table, extra_column, join_using)
- 'person_ids': ('person_site', 'person_id', 'site_id'),
- 'slice_ids': ('dslice03_slices', 'slice_id', 'site_id'),
- 'defaultattribute_ids': ('dslice03_defaultattribute', 'defaultattribute_id', 'site_id'),
- 'pcu_ids': ('pcu', 'pcu_id', 'site_id'),
- 'node_ids': ('nodegroup_nodes', 'node_id', 'nodegroup_id'),
- }
-
- extra_fields = filter(join_tables.has_key, extra_fields)
- extra_tables = ["%s USING (%s)" % \
- (join_tables[field][0], join_tables[field][2]) \
- for field in extra_fields]
- extra_columns = ["%s.%s" % \
- (join_tables[field][0], join_tables[field][1]) \
- for field in extra_fields]
-
- if extra_columns:
- sql += ", " + ", ".join(extra_columns)
-
- sql += " FROM sites" \
- " LEFT JOIN dslice03_siteinfo USING (site_id)"
-
- if extra_tables:
- sql += " LEFT JOIN " + " LEFT JOIN ".join(extra_tables)
-
- sql += " WHERE sites.deleted IS False"
-
- if site_id_or_login_base_list:
- # Separate the list into integers and strings
- site_ids = filter(lambda site_id: isinstance(site_id, (int, long)),
- site_id_or_login_base_list)
- login_bases = filter(lambda login_base: isinstance(login_base, StringTypes),
- site_id_or_login_base_list)
- sql += " AND (False"
- if site_ids:
- sql += " OR site_id IN (%s)" % ", ".join(map(str, site_ids))
- if login_bases:
- sql += " OR login_base IN (%s)" % ", ".join(api.db.quote(login_bases))
- sql += ")"
-
- rows = self.api.db.selectall(sql)
- for row in rows:
- if self.has_key(row['site_id']):
- site = self[row['site_id']]
- site.update(row)
- else:
- self[row['site_id']] = Site(api, row)
+ def __init__(self, api, site_filter = None, columns = None):
+ Table.__init__(self, api, Site, columns)
+
+ sql = "SELECT %s FROM view_sites WHERE deleted IS False" % \
+ ", ".join(self.columns)
+
+ if site_filter is not None:
+ if isinstance(site_filter, (list, tuple, set)):
+ # Separate the list into integers and strings
+ ints = filter(lambda x: isinstance(x, (int, long)), site_filter)
+ strs = filter(lambda x: isinstance(x, StringTypes), site_filter)
+ site_filter = Filter(Site.fields, {'site_id': ints, 'login_base': strs})
+ sql += " AND (%s)" % site_filter.sql(api, "OR")
+ elif isinstance(site_filter, dict):
+ site_filter = Filter(Site.fields, site_filter)
+ sql += " AND (%s)" % site_filter.sql(api, "AND")
+
+ self.selectall(sql)