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