# # Functions for interacting with the conf_files table in the database # # Mark Huang # Copyright (C) 2006 The Trustees of Princeton University # # $Id: ConfFiles.py,v 1.4 2006/10/10 21:54:20 mlhuang Exp $ # from PLC.Faults import * from PLC.Parameter import Parameter from PLC.Table import Row, Table class ConfFile(Row): """ 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' join_tables = ['conf_file_node', 'conf_file_nodegroup'] fields = { 'conf_file_id': Parameter(int, "Configuration file identifier"), '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), '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), } class ConfFiles(Table): """ 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) 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(','))