# Mark Huang <mlhuang@cs.princeton.edu>
# 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.Filter import Filter
from PLC.Table import Row, Table
+from PLC.Nodes import Node, Nodes
+from PLC.NodeGroups import NodeGroup, NodeGroups
class ConfFile(Row):
"""
'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"),
+ 'nodegroup_ids': Parameter(int, "List of node groups linked to this file"),
}
+ def add_node(self, node, commit = True):
+ """
+ Add configuration file to node.
+ """
+
+ assert 'conf_file_id' in self
+ assert isinstance(node, Node)
+ assert 'node_id' in node
+
+ conf_file_id = self['conf_file_id']
+ node_id = node['node_id']
+
+ if node_id not in self['node_ids']:
+ self.api.db.do("INSERT INTO conf_file_node (conf_file_id, node_id)" \
+ " VALUES(%(conf_file_id)d, %(node_id)d)",
+ locals())
+
+ if commit:
+ self.api.db.commit()
+
+ self['node_ids'].append(node_id)
+ node['conf_file_ids'].append(conf_file_id)
+
+ def remove_node(self, node, commit = True):
+ """
+ Remove configuration file from node.
+ """
+
+ assert 'conf_file_id' in self
+ assert isinstance(node, Node)
+ assert 'node_id' in node
+
+ conf_file_id = self['conf_file_id']
+ node_id = node['node_id']
+
+ if node_id in self['node_ids']:
+ self.api.db.do("DELETE FROM conf_file_node" \
+ " WHERE conf_file_id = %(conf_file_id)d" \
+ " AND node_id = %(node_id)d",
+ locals())
+
+ if commit:
+ self.api.db.commit()
+
+ self['node_ids'].remove(node_id)
+ node['conf_file_ids'].remove(conf_file_id)
+
+ def add_nodegroup(self, nodegroup, commit = True):
+ """
+ Add configuration file to node group.
+ """
+
+ assert 'conf_file_id' in self
+ assert isinstance(nodegroup, NodeGroup)
+ assert 'nodegroup_id' in nodegroup
+
+ conf_file_id = self['conf_file_id']
+ nodegroup_id = nodegroup['nodegroup_id']
+
+ if nodegroup_id not in self['nodegroup_ids']:
+ self.api.db.do("INSERT INTO conf_file_nodegroup (conf_file_id, nodegroup_id)" \
+ " VALUES(%(conf_file_id)d, %(nodegroup_id)d)",
+ locals())
+
+ if commit:
+ self.api.db.commit()
+
+ self['nodegroup_ids'].append(nodegroup_id)
+ nodegroup['conf_file_ids'].append(conf_file_id)
+
+ def remove_nodegroup(self, nodegroup, commit = True):
+ """
+ Remove configuration file from node group.
+ """
+
+ assert 'conf_file_id' in self
+ assert isinstance(nodegroup, NodeGroup)
+ assert 'nodegroup_id' in nodegroup
+
+ conf_file_id = self['conf_file_id']
+ nodegroup_id = nodegroup['nodegroup_id']
+
+ if nodegroup_id in self['nodegroup_ids']:
+ self.api.db.do("DELETE FROM conf_file_nodegroup" \
+ " WHERE conf_file_id = %(conf_file_id)d" \
+ " AND nodegroup_id = %(nodegroup_id)d",
+ locals())
+
+ if commit:
+ self.api.db.commit()
+
+ self['nodegroup_ids'].remove(nodegroup_id)
+ nodegroup['conf_file_ids'].remove(conf_file_id)
+
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)
+ def __init__(self, api, conf_file_filter = None, columns = None):
+ Table.__init__(self, api, ConfFile, columns)
- for row in rows:
- self[row['conf_file_id']] = ConfFile(api, row)
+ sql = "SELECT %s FROM view_conf_files WHERE True" % \
+ ", ".join(self.columns)
+ if conf_file_filter is not None:
+ if isinstance(conf_file_filter, (list, tuple, set, int, long)):
+ conf_file_filter = Filter(ConfFile.fields, {'conf_file_id': conf_file_filter})
+ elif isinstance(conf_file_filter, dict):
+ conf_file_filter = Filter(ConfFile.fields, conf_file_filter)
+ sql += " AND (%s) %s" % conf_file_filter.sql(api)
- 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(','))
+ self.selectall(sql)
git://git.onelab.eu / plcapi.git / blobdiff