4 # Thierry Parmentelat - INRIA
8 from PLC.Faults import *
9 from PLC.Parameter import Parameter
10 from PLC.Filter import Filter
11 from PLC.Table import Row, Table
12 from PLC.Nodes import Node, Nodes
13 from PLC.TagTypes import TagType, TagTypes
17 Representation of a row in the node_tag.
18 To use, instantiate with a dict of values.
21 table_name = 'node_tag'
22 primary_key = 'node_tag_id'
24 'node_tag_id': Parameter(int, "Node tag identifier"),
25 'node_id': Node.fields['node_id'],
26 'hostname' : Node.fields['hostname'],
27 'tag_type_id': TagType.fields['tag_type_id'],
28 'value': Parameter(str, "Node tag value"),
29 'tagname': TagType.fields['tagname'],
30 'description': TagType.fields['description'],
31 'category': TagType.fields['category'],
32 'min_role_id': TagType.fields['min_role_id'],
35 class NodeTags(Table):
37 Representation of row(s) from the node_tag table in the
41 def __init__(self, api, node_tag_filter = None, columns = None):
42 Table.__init__(self, api, NodeTag, columns)
44 sql = "SELECT %s FROM view_node_tags WHERE True" % \
45 ", ".join(self.columns)
47 if node_tag_filter is not None:
48 if isinstance(node_tag_filter, (list, tuple, set)):
49 node_tag_filter = Filter(NodeTag.fields, {'node_tag_id': node_tag_filter})
50 elif isinstance(node_tag_filter, dict):
51 node_tag_filter = Filter(NodeTag.fields, node_tag_filter)
52 elif isinstance(node_tag_filter, int):
53 node_tag_filter = Filter(NodeTag.fields, {'node_tag_id': [node_tag_filter]})
55 raise PLCInvalidArgument, "Wrong node tag filter %r"%node_tag_filter
56 sql += " AND (%s) %s" % node_tag_filter.sql(api)