jumpserver/apps/assets/api/node.py

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# ~*~ coding: utf-8 ~*~
from collections import namedtuple
from rest_framework import status
from rest_framework.serializers import ValidationError
from rest_framework.response import Response
from django.utils.translation import ugettext_lazy as _
from django.shortcuts import get_object_or_404, Http404
from common.utils import get_logger, get_object_or_none
from common.tree import TreeNodeSerializer
from orgs.mixins.api import OrgModelViewSet
from orgs.mixins import generics
from ..hands import IsOrgAdmin
from ..models import Node
from ..tasks import (
update_node_assets_hardware_info_manual,
test_node_assets_connectivity_manual,
)
from .. import serializers
logger = get_logger(__file__)
__all__ = [
'NodeViewSet', 'NodeChildrenApi', 'NodeAssetsApi',
'NodeAddAssetsApi', 'NodeRemoveAssetsApi', 'NodeReplaceAssetsApi',
'NodeAddChildrenApi', 'NodeListAsTreeApi',
'NodeChildrenAsTreeApi',
'NodeTaskCreateApi',
]
class NodeViewSet(OrgModelViewSet):
model = Node
filter_fields = ('value', 'key', 'id')
search_fields = ('value', )
permission_classes = (IsOrgAdmin,)
serializer_class = serializers.NodeSerializer
# 仅支持根节点指直接创建子节点下的节点需要通过children接口创建
def perform_create(self, serializer):
child_key = Node.org_root().get_next_child_key()
serializer.validated_data["key"] = child_key
serializer.save()
def perform_update(self, serializer):
node = self.get_object()
if node.is_org_root() and node.value != serializer.validated_data['value']:
msg = _("You can't update the root node name")
raise ValidationError({"error": msg})
return super().perform_update(serializer)
def destroy(self, request, *args, **kwargs):
node = self.get_object()
if node.has_children_or_has_assets():
error = _("Deletion failed and the node contains children or assets")
return Response(data={'error': error}, status=status.HTTP_403_FORBIDDEN)
return super().destroy(request, *args, **kwargs)
class NodeListAsTreeApi(generics.ListAPIView):
"""
获取节点列表树
[
{
"id": "",
"name": "",
"pId": "",
"meta": ""
}
]
"""
model = Node
permission_classes = (IsOrgAdmin,)
serializer_class = TreeNodeSerializer
@staticmethod
def to_tree_queryset(queryset):
queryset = [node.as_tree_node() for node in queryset]
return queryset
def filter_queryset(self, queryset):
queryset = super().filter_queryset(queryset)
queryset = self.to_tree_queryset(queryset)
return queryset
class NodeChildrenApi(generics.ListCreateAPIView):
permission_classes = (IsOrgAdmin,)
serializer_class = serializers.NodeSerializer
instance = None
is_initial = False
def initial(self, request, *args, **kwargs):
self.instance = self.get_object()
return super().initial(request, *args, **kwargs)
def perform_create(self, serializer):
data = serializer.validated_data
_id = data.get("id")
value = data.get("value")
if not value:
value = self.instance.get_next_child_preset_name()
node = self.instance.create_child(value=value, _id=_id)
# 避免查询 full value
node._full_value = node.value
serializer.instance = node
def get_object(self):
pk = self.kwargs.get('pk') or self.request.query_params.get('id')
key = self.request.query_params.get("key")
if not pk and not key:
node = Node.org_root()
self.is_initial = True
return node
if pk:
node = get_object_or_404(Node, pk=pk)
else:
node = get_object_or_404(Node, key=key)
return node
def get_queryset(self):
query_all = self.request.query_params.get("all", "0") == "all"
if not self.instance:
return Node.objects.none()
if self.is_initial:
with_self = True
else:
with_self = False
if query_all:
queryset = self.instance.get_all_children(with_self=with_self)
else:
queryset = self.instance.get_children(with_self=with_self)
return queryset
class NodeChildrenAsTreeApi(NodeChildrenApi):
"""
节点子节点作为树返回,
[
{
"id": "",
"name": "",
"pId": "",
"meta": ""
}
]
"""
model = Node
serializer_class = TreeNodeSerializer
http_method_names = ['get']
def get_queryset(self):
queryset = super().get_queryset()
queryset = [node.as_tree_node() for node in queryset]
queryset = self.add_assets_if_need(queryset)
queryset = sorted(queryset)
return queryset
def add_assets_if_need(self, queryset):
include_assets = self.request.query_params.get('assets', '0') == '1'
if not include_assets:
return queryset
assets = self.instance.get_assets().only(
"id", "hostname", "ip", "os",
"org_id", "protocols",
)
for asset in assets:
queryset.append(asset.as_tree_node(self.instance))
return queryset
def check_need_refresh_nodes(self):
if self.request.query_params.get('refresh', '0') == '1':
Node.refresh_nodes()
class NodeAssetsApi(generics.ListAPIView):
permission_classes = (IsOrgAdmin,)
serializer_class = serializers.AssetSerializer
def get_queryset(self):
node_id = self.kwargs.get('pk')
query_all = self.request.query_params.get('all')
instance = get_object_or_404(Node, pk=node_id)
if query_all:
return instance.get_all_assets()
else:
return instance.get_assets()
class NodeAddChildrenApi(generics.UpdateAPIView):
model = Node
permission_classes = (IsOrgAdmin,)
serializer_class = serializers.NodeAddChildrenSerializer
instance = None
def put(self, request, *args, **kwargs):
instance = self.get_object()
nodes_id = request.data.get("nodes")
children = [get_object_or_none(Node, id=pk) for pk in nodes_id]
for node in children:
if not node:
continue
node.parent = instance
return Response("OK")
class NodeAddAssetsApi(generics.UpdateAPIView):
model = Node
serializer_class = serializers.NodeAssetsSerializer
permission_classes = (IsOrgAdmin,)
instance = None
def perform_update(self, serializer):
assets = serializer.validated_data.get('assets')
instance = self.get_object()
instance.assets.add(*tuple(assets))
class NodeRemoveAssetsApi(generics.UpdateAPIView):
model = Node
serializer_class = serializers.NodeAssetsSerializer
permission_classes = (IsOrgAdmin,)
instance = None
def perform_update(self, serializer):
assets = serializer.validated_data.get('assets')
instance = self.get_object()
if instance != Node.org_root():
instance.assets.remove(*tuple(assets))
else:
assets = [asset for asset in assets if asset.nodes.count() > 1]
instance.assets.remove(*tuple(assets))
class NodeReplaceAssetsApi(generics.UpdateAPIView):
model = Node
serializer_class = serializers.NodeAssetsSerializer
permission_classes = (IsOrgAdmin,)
instance = None
def perform_update(self, serializer):
assets = serializer.validated_data.get('assets')
instance = self.get_object()
for asset in assets:
asset.nodes.set([instance])
class NodeTaskCreateApi(generics.CreateAPIView):
model = Node
serializer_class = serializers.NodeTaskSerializer
permission_classes = (IsOrgAdmin,)
def get_object(self):
node_id = self.kwargs.get('pk')
node = get_object_or_none(self.model, id=node_id)
return node
@staticmethod
def set_serializer_data(s, task):
data = getattr(s, '_data', {})
data["task"] = task.id
setattr(s, '_data', data)
@staticmethod
def refresh_nodes_cache():
Node.refresh_nodes()
Task = namedtuple('Task', ['id'])
task = Task(id="0")
return task
def perform_create(self, serializer):
action = serializer.validated_data["action"]
node = self.get_object()
if action == "refresh_cache" and node is None:
task = self.refresh_nodes_cache()
self.set_serializer_data(serializer, task)
return
if node is None:
raise Http404()
if action == "refresh":
task = update_node_assets_hardware_info_manual.delay(node)
else:
task = test_node_assets_connectivity_manual.delay(node)
self.set_serializer_data(serializer, task)