# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
-# $Id: ConfFiles.py,v 1.1 2006/10/20 17:44:09 mlhuang Exp $
-#
from PLC.Faults import *
from PLC.Parameter import Parameter
-from PLC.Table import Row, Table
from PLC.Nodes import Node, Nodes
from PLC.NodeGroups import NodeGroup, NodeGroups
+from PLC.Storage.AlchemyObject import AlchemyObj
-class ConfFile(Row):
+class ConfFile(AlchemyObj):
"""
Representation of a row in the conf_files table. To use,
instantiate with a dict of values.
"""
- table_name = 'conf_files'
- primary_key = 'conf_file_id'
+ tablename = 'conf_files'
join_tables = ['conf_file_node', 'conf_file_nodegroup']
fields = {
- 'conf_file_id': Parameter(int, "Configuration file identifier"),
+ 'conf_file_id': Parameter(int, "Configuration file identifier", primary_key=True),
'enabled': Parameter(bool, "Configuration file is active"),
'source': Parameter(str, "Relative path on the boot server where file can be downloaded", max = 255),
'dest': Parameter(str, "Absolute path where file should be installed", max = 255),
'file_permissions': Parameter(str, "chmod(1) permissions", max = 20),
'file_owner': Parameter(str, "chown(1) owner", max = 50),
'file_group': Parameter(str, "chgrp(1) owner", max = 50),
- 'preinstall_cmd': Parameter(str, "Shell command to execute prior to installing", max = 1024),
- 'postinstall_cmd': Parameter(str, "Shell command to execute after installing", max = 1024),
- 'error_cmd': Parameter(str, "Shell command to execute if any error occurs", max = 1024),
+ 'preinstall_cmd': Parameter(str, "Shell command to execute prior to installing", max = 1024, nullok = True),
+ 'postinstall_cmd': Parameter(str, "Shell command to execute after installing", max = 1024, nullok = True),
+ 'error_cmd': Parameter(str, "Shell command to execute if any error occurs", max = 1024, nullok = True),
'ignore_cmd_errors': Parameter(bool, "Install file anyway even if an error occurs"),
'always_update': Parameter(bool, "Always attempt to install file even if unchanged"),
- 'node_ids': Parameter(int, "List of nodes linked to this file", ro = True),
- 'nodegroup_ids': Parameter(int, "List of node groups linked to this file", ro = True),
+ 'node_ids': Parameter(int, "List of nodes linked to this file", joined=True),
+ 'nodegroup_ids': Parameter(int, "List of node groups linked to this file", joined=True),
}
def add_node(self, node, commit = True):
assert isinstance(node, Node)
assert 'node_id' in node
- conf_file_id = self['pcu_id']
+ conf_file_id = self['conf_file_id']
node_id = node['node_id']
if node_id not in self['node_ids']:
assert isinstance(nodegroup, NodeGroup)
assert 'nodegroup_id' in nodegroup
- conf_file_id = self['pcu_id']
+ conf_file_id = self['conf_file_id']
nodegroup_id = nodegroup['nodegroup_id']
if nodegroup_id not in self['nodegroup_ids']:
self['nodegroup_ids'].remove(nodegroup_id)
nodegroup['conf_file_ids'].remove(conf_file_id)
-class ConfFiles(Table):
+ def sync(self, commit=True, validate=True):
+ AlchemyObj.sync(self, commit, validate)
+ if 'conf_file_id' not in self:
+ AlchemyObj.insert(self, dict(self))
+ else:
+ AlchemyObj.update(self, {'conf_file_id': self['conf_file_id']}, dict(self))
+
+ def delete(self, commit=True):
+ assert 'conf_file_id' in self
+ AlchemyObj.delete(self, dict(self))
+
+class ConfFiles(list):
"""
Representation of the conf_files table in the database.
"""
- def __init__(self, api, conf_file_ids = None):
- sql = "SELECT %s FROM view_conf_files" % \
- ", ".join(ConfFile.fields)
-
- if conf_file_ids:
- # Separate the list into integers and strings
- sql += " WHERE conf_file_id IN (%s)" % ", ".join(map(str, api.db.quote(conf_file_ids)))
-
- rows = api.db.selectall(sql)
-
- for row in rows:
- self[row['conf_file_id']] = ConfFile(api, row)
-
+ def __init__(self, api, conf_file_filter = None, columns = None):
+ if not conf_file_filter:
+ conf_files = ConfFile().select()
+ elif isinstance(conf_file_filter, (list, tuple, set, int, long)):
+ conf_files = ConfFile().select(filter={'conf_file_id': conf_file_filter})
+ elif isinstance(conf_file_filter, dict):
+ conf_files = ConfFile().select(filter=conf_file_filter)
- for row in rows:
- self[row['conf_file_id']] = conf_file = ConfFile(api, row)
- for aggregate in ['node_ids', 'nodegroup_ids']:
- if not conf_file.has_key(aggregate) or conf_file[aggregate] is None:
- conf_file[aggregate] = []
- else:
- conf_file[aggregate] = map(int, conf_file[aggregate].split(','))
+ for conf_file in conf_files:
+ self.append(conf_file)