545e6b6bb0
Story: 2008529 Task: 41688 Signed-off-by: Bin Yang <bin.yang@windriver.com> Change-Id: Ib276520605cc624a9976f804a1721ba2c5909403
72 lines
2.2 KiB
Python
72 lines
2.2 KiB
Python
import json
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from notificationclientsdk.repository.node_repo import NodeRepo
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class NodeInfoHelper(object):
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BROKER_NODE_ALL = '*'
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residing_node_name = None
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@staticmethod
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def set_residing_node(residing_node_name):
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NodeInfoHelper.residing_node_name = residing_node_name
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@staticmethod
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def get_residing_node():
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residing_node_name = NodeInfoHelper.residing_node_name
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return residing_node_name
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@staticmethod
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def expand_node_name(node_name_pattern):
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if node_name_pattern == '.':
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return NodeInfoHelper.residing_node_name
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elif node_name_pattern == NodeInfoHelper.BROKER_NODE_ALL:
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return NodeInfoHelper.BROKER_NODE_ALL
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else:
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return node_name_pattern
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@staticmethod
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def default_node_name(node_name_pattern):
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if node_name_pattern == '.' or node_name_pattern == '*':
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return NodeInfoHelper.residing_node_name
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else:
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return node_name_pattern
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@staticmethod
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def match_node_name(node_name_pattern, target_node_name):
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if node_name_pattern == '*':
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return True
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elif node_name_pattern == '.':
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return NodeInfoHelper.residing_node_name == target_node_name
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else:
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return node_name_pattern == target_node_name
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@staticmethod
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def enumerate_nodes(node_name_pattern):
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'''
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enumerate nodes from node repo by pattern
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'''
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nodeinfos = []
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if not node_name_pattern:
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raise ValueError("node name pattern is invalid")
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nodeinfo_repo = None
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try:
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nodeinfo_repo = NodeRepo(autocommit=True)
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filter = {}
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if node_name_pattern == '*':
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pass
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elif not node_name_pattern or node_name_pattern == '.':
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filter = { 'NodeName': NodeInfoHelper.residing_node_name }
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else:
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filter = { 'NodeName': node_name_pattern }
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nodeinfos = [x.NodeName for x in nodeinfo_repo.get(Status=1, **filter)]
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except Exception as ex:
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LOG.warning("Failed to enumerate nodes:{0}".format(str(ex)))
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nodeinfos = None
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finally:
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if nodeinfo_repo:
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del nodeinfo_repo
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return nodeinfos
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