mirror of https://github.com/jumpserver/jumpserver
140 lines
4.7 KiB
Python
140 lines
4.7 KiB
Python
# ~*~ coding: utf-8 ~*~
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#
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from collections import defaultdict
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from common.utils import get_logger, dict_get_any, is_uuid, get_object_or_none, timeit
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from common.utils.http import is_true
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from common.struct import Stack
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from common.db.models import output_as_string
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from orgs.utils import ensure_in_real_or_default_org, current_org
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from ..locks import NodeTreeUpdateLock
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from ..models import Node, Asset
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logger = get_logger(__file__)
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@NodeTreeUpdateLock()
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@ensure_in_real_or_default_org
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def check_node_assets_amount():
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logger.info(f'Check node assets amount {current_org}')
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nodes = list(Node.objects.all().only('id', 'key', 'assets_amount'))
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nodeid_assetid_pairs = list(Asset.nodes.through.objects.all().values_list('node_id', 'asset_id'))
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nodekey_assetids_mapper = defaultdict(set)
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nodeid_nodekey_mapper = {}
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for node in nodes:
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nodeid_nodekey_mapper[node.id] = node.key
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for nodeid, assetid in nodeid_assetid_pairs:
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if nodeid not in nodeid_nodekey_mapper:
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continue
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nodekey = nodeid_nodekey_mapper[nodeid]
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nodekey_assetids_mapper[nodekey].add(assetid)
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util = NodeAssetsUtil(nodes, nodekey_assetids_mapper)
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util.generate()
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to_updates = []
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for node in nodes:
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assets_amount = util.get_assets_amount(node.key)
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if node.assets_amount != assets_amount:
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logger.error(f'Node[{node.key}] assets amount error {node.assets_amount} != {assets_amount}')
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node.assets_amount = assets_amount
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to_updates.append(node)
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Node.objects.bulk_update(to_updates, fields=('assets_amount',))
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def is_query_node_all_assets(request):
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request = request
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query_all_arg = request.query_params.get('all', 'true')
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show_current_asset_arg = request.query_params.get('show_current_asset')
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if show_current_asset_arg is not None:
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return not is_true(show_current_asset_arg)
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return is_true(query_all_arg)
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def get_node_from_request(request):
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node_id = dict_get_any(request.query_params, ['node', 'node_id'])
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if not node_id:
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return None
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if is_uuid(node_id):
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node = get_object_or_none(Node, id=node_id)
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else:
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node = get_object_or_none(Node, key=node_id)
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return node
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class NodeAssetsInfo:
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__slots__ = ('key', 'assets_amount', 'assets')
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def __init__(self, key, assets_amount, assets):
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self.key = key
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self.assets_amount = assets_amount
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self.assets = assets
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def __str__(self):
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return self.key
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class NodeAssetsUtil:
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def __init__(self, nodes, nodekey_assetsid_mapper):
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"""
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:param nodes: 节点
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:param nodekey_assetsid_mapper: 节点直接资产id的映射 {"key1": set(), "key2": set()}
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"""
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self.nodes = nodes
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# node_id --> set(asset_id1, asset_id2)
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self.nodekey_assetsid_mapper = nodekey_assetsid_mapper
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self.nodekey_assetsinfo_mapper = {}
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@timeit
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def generate(self):
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# 准备排序好的资产信息数据
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infos = []
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for node in self.nodes:
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assets = self.nodekey_assetsid_mapper.get(node.key, set())
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info = NodeAssetsInfo(key=node.key, assets_amount=0, assets=assets)
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infos.append(info)
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infos = sorted(infos, key=lambda i: [int(i) for i in i.key.split(':')])
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# 这个守卫需要添加一下，避免最后一个无法出栈
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guarder = NodeAssetsInfo(key='', assets_amount=0, assets=set())
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infos.append(guarder)
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stack = Stack()
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for info in infos:
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# 如果栈顶的不是这个节点的父祖节点，那么可以出栈了，可以计算资产数量了
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while stack.top and not info.key.startswith(f'{stack.top.key}:'):
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pop_info = stack.pop()
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pop_info.assets_amount = len(pop_info.assets)
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self.nodekey_assetsinfo_mapper[pop_info.key] = pop_info
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if not stack.top:
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continue
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stack.top.assets.update(pop_info.assets)
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stack.push(info)
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def get_assets_by_key(self, key):
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info = self.nodekey_assetsinfo_mapper[key]
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return info['assets']
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def get_assets_amount(self, key):
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info = self.nodekey_assetsinfo_mapper[key]
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return info.assets_amount
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@classmethod
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def test_it(cls):
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from assets.models import Node, Asset
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nodes = list(Node.objects.all())
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nodes_assets = Asset.nodes.through.objects.all() \
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.annotate(aid=output_as_string('asset_id')) \
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.values_list('node__key', 'aid')
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mapping = defaultdict(set)
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for key, asset_id in nodes_assets:
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mapping[key].add(asset_id)
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util = cls(nodes, mapping)
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util.generate()
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return util
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