2 # Functions for interacting with the conf_files table in the database
4 # Mark Huang <mlhuang@cs.princeton.edu>
5 # Copyright (C) 2006 The Trustees of Princeton University
7 # $Id: ConfFiles.py,v 1.4 2006/10/10 21:54:20 mlhuang Exp $
10 from PLC.Faults import *
11 from PLC.Parameter import Parameter
12 from PLC.Table import Row, Table
16 Representation of a row in the conf_files table. To use,
17 instantiate with a dict of values.
20 table_name = 'conf_files'
21 primary_key = 'conf_file_id'
22 join_tables = ['conf_file_node', 'conf_file_nodegroup']
24 'conf_file_id': Parameter(int, "Configuration file identifier"),
25 'enabled': Parameter(bool, "Configuration file is active"),
26 'source': Parameter(str, "Relative path on the boot server where file can be downloaded", max = 255),
27 'dest': Parameter(str, "Absolute path where file should be installed", max = 255),
28 'file_permissions': Parameter(str, "chmod(1) permissions", max = 20),
29 'file_owner': Parameter(str, "chown(1) owner", max = 50),
30 'file_group': Parameter(str, "chgrp(1) owner", max = 50),
31 'preinstall_cmd': Parameter(str, "Shell command to execute prior to installing", max = 1024),
32 'postinstall_cmd': Parameter(str, "Shell command to execute after installing", max = 1024),
33 'error_cmd': Parameter(str, "Shell command to execute if any error occurs", max = 1024),
34 'ignore_cmd_errors': Parameter(bool, "Install file anyway even if an error occurs"),
35 'always_update': Parameter(bool, "Always attempt to install file even if unchanged"),
36 'node_ids': Parameter(int, "List of nodes linked to this file", ro = True),
37 'nodegroup_ids': Parameter(int, "List of node groups linked to this file", ro = True),
40 class ConfFiles(Table):
42 Representation of the conf_files table in the database.
45 def __init__(self, api, conf_file_ids = None):
46 sql = "SELECT %s FROM view_conf_files" % \
47 ", ".join(ConfFile.fields)
50 # Separate the list into integers and strings
51 sql += " WHERE conf_file_id IN (%s)" % ", ".join(map(str, api.db.quote(conf_file_ids)))
53 rows = api.db.selectall(sql)
56 self[row['conf_file_id']] = ConfFile(api, row)
60 self[row['conf_file_id']] = conf_file = ConfFile(api, row)
61 for aggregate in ['node_ids', 'nodegroup_ids']:
62 if not conf_file.has_key(aggregate) or conf_file[aggregate] is None:
63 conf_file[aggregate] = []
65 conf_file[aggregate] = map(int, conf_file[aggregate].split(','))