# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id: PCUs.py,v 1.4 2006/10/20 17:56:36 mlhuang Exp $
+# $Id: PCUs.py,v 1.9 2006/11/09 03:07:42 mlhuang Exp $
#
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.NodeNetworks import valid_ip, NodeNetwork, NodeNetworks
join_tables = ['pcu_node']
fields = {
'pcu_id': Parameter(int, "PCU identifier"),
- 'site_id': Parameter(int, "Identifier of site where PCU is located", optional = False),
+ 'site_id': Parameter(int, "Identifier of site where PCU is located"),
'hostname': Parameter(str, "PCU hostname", max = 254),
- 'ip': Parameter(str, "PCU IP address", max = 254, optional = False),
- 'protocol': Parameter(str, "PCU protocol, e.g. ssh, https, telnet", max = 16),
- 'username': Parameter(str, "PCU username", max = 254),
- 'password': Parameter(str, "PCU username", max = 254),
- 'notes': Parameter(str, "Miscellaneous notes", max = 254),
- 'model': Parameter(str, "PCU model string", max = 32),
- 'node_ids': Parameter([int], "List of nodes that this PCU controls", ro = True),
- 'ports': Parameter([int], "List of the port numbers that each node is connected to", ro = True),
+ 'ip': Parameter(str, "PCU IP address", max = 254),
+ 'protocol': Parameter(str, "PCU protocol, e.g. ssh, https, telnet", max = 16, nullok = True),
+ 'username': Parameter(str, "PCU username", max = 254, nullok = True),
+ 'password': Parameter(str, "PCU username", max = 254, nullok = True),
+ 'notes': Parameter(str, "Miscellaneous notes", max = 254, nullok = True),
+ 'model': Parameter(str, "PCU model string", max = 32, nullok = True),
+ 'node_ids': Parameter([int], "List of nodes that this PCU controls"),
+ 'ports': Parameter([int], "List of the port numbers that each node is connected to"),
}
def validate_ip(self, ip):
database.
"""
- def __init__(self, api, pcu_ids = None):
- self.api = api
+ def __init__(self, api, pcu_filter = None, columns = None):
+ Table.__init__(self, api, PCU, columns)
- # N.B.: Node IDs returned may be deleted.
- sql = "SELECT %s FROM view_pcus" % \
- ", ".join(PCU.fields)
+ sql = "SELECT %s FROM view_pcus WHERE True" % \
+ ", ".join(self.columns)
- if pcu_ids:
- sql += " WHERE pcu_id IN (%s)" % ", ".join(map(str, pcu_ids))
+ if pcu_filter is not None:
+ if isinstance(pcu_filter, (list, tuple, set)):
+ pcu_filter = Filter(PCU.fields, {'pcu_id': pcu_filter})
+ elif isinstance(pcu_filter, dict):
+ pcu_filter = Filter(PCU.fields, pcu_filter)
+ sql += " AND (%s)" % pcu_filter.sql(api)
- rows = self.api.db.selectall(sql)
-
- for row in rows:
- self[row['pcu_id']] = pcu = PCU(api, row)
- for aggregate in ['node_ids', 'ports']:
- if not pcu.has_key(aggregate) or pcu[aggregate] is None:
- pcu[aggregate] = []
- else:
- pcu[aggregate] = map(int, pcu[aggregate].split(','))
+ self.selectall(sql)