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mrb-netbox-topology-views/netbox_topology_views/api/views.py
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Python

from rest_framework.viewsets import ModelViewSet, ViewSet, ReadOnlyModelViewSet, GenericViewSet
from rest_framework.decorators import action
from rest_framework.response import Response
from .serializers import PreDeviceRoleSerializer, TopologyDummySerializer, PreTagSerializer
from django.conf import settings
from utilities.api import IsAuthenticatedOrLoginNotRequired
from dcim.models import DeviceRole, Device, Cable
from extras.models import Tag
ignore_cable_type_raw = settings.PLUGINS_CONFIG["netbox_topology_views"]["ignore_cable_type"]
ignore_cable_type = ignore_cable_type_raw.split(",")
preselected_device_roles_raw = settings.PLUGINS_CONFIG["netbox_topology_views"]["preselected_device_roles"]
preselected_device_roles = preselected_device_roles_raw.split(",")
preselected_tags_raw = settings.PLUGINS_CONFIG["netbox_topology_views"]["preselected_tags"]
preselected_tags = preselected_tags_raw.split(",")
class PreSelectDeviceRolesViewSet(ReadOnlyModelViewSet):
queryset = DeviceRole.objects.filter(name__in=preselected_device_roles)
serializer_class = PreDeviceRoleSerializer
class PreSelectTagsViewSet(ReadOnlyModelViewSet):
queryset = Tag.objects.filter(name__in=preselected_tags)
serializer_class = PreTagSerializer
class SaveCoordsViewSet(GenericViewSet):
queryset = Device.objects.all()
serializer_class = TopologyDummySerializer
@action(detail=False, methods=['post'])
def save_coords(self, request):
if settings.PLUGINS_CONFIG["netbox_topology_views"]["allow_coordinates_saving"]:
device_id = None
x_coord = None
y_coord = None
if "node_id" in request.data:
if request.data["node_id"]:
device_id = request.data["node_id"]
if "x" in request.data:
if request.data["x"]:
x_coord = request.data["x"]
if "y" in request.data:
if request.data["y"]:
y_coord = request.data["y"]
actual_device= Device.objects.get(id=device_id)
for device_custom_field in actual_device.custom_field_values.all():
if device_custom_field.field.name == "coordinates":
old_cords = device_custom_field.serialized_value.split(";")
device_custom_field.value = "%s;%s" % (x_coord,y_coord)
device_custom_field.save()
actual_device.save()
results = {}
results["status"] = "ok"
return Response(results)
print('notok')
#TODO
return Response(status=500)
else:
return Response(status=500)
class SearchViewSet(GenericViewSet):
#_ignore_model_permissions = True
#permission_classes = [IsAuthenticatedOrLoginNotRequired]
queryset = Device.objects.all()
serializer_class = TopologyDummySerializer
def _filter(self, site, role, name, tags):
filter_devices = Device.objects.all()
if name is not None:
filter_devices = filter_devices.filter(name__contains=name)
if site is not None:
filter_devices = filter_devices.filter(site__id__in=site)
if role is not None:
filter_devices = filter_devices.filter(device_role__id__in=role)
if tags is not None:
filter_devices = filter_devices.filter(tags__id__in=tags)
return filter_devices
@action(detail=False, methods=['post'])
def search(self, request):
name = None
sites = None
devicerole = None
tags = None
if "devicerole" in request.data:
if request.data["devicerole"]:
devicerole = request.data["devicerole"]
if "sites" in request.data:
if request.data["sites"]:
sites = request.data["sites"]
if "name" in request.data:
if request.data["name"]:
name = request.data["name"]
if "tags" in request.data:
if request.data["tags"]:
tags = request.data["tags"]
devices = self._filter(sites, devicerole, name, tags)
nodes = []
edges = []
edge_ids = 0
cable_ids = []
for device in devices:
cables = device.get_cables()
for cable in cables:
if cable.id not in cable_ids:
if cable.termination_a_type.name not in ignore_cable_type:
cable_ids.append(cable.id)
edge_ids += 1
edge = {}
edge["id"] = edge_ids
edge["from"] = cable.termination_a.device.id
edge["to"] = cable.termination_b.device.id
edge["title"] = "Connection between <br> " + cable.termination_a.device.name + " [" + cable.termination_a.name + "]<br>" + cable.termination_b.device.name + " [" + cable.termination_b.name + "]"
edges.append(edge)
node = {}
node["id"] = device.id
node["name"] = device.name
node["label"] = device.name + " " + device.device_type.display_name
node["shape"] = 'image'
if device.device_role.slug in settings.PLUGINS_CONFIG["netbox_topology_views"]["device_img"]:
node["image"] = '../../static/netbox_topology_views/img/' + device.device_role.slug + ".png"
else:
node["image"] = "../../static/netbox_topology_views/img/role-unknown.png"
for device_custom_field in device.custom_field_values.all():
if device_custom_field.field.name == "coordinates":
cords = device_custom_field.serialized_value.split(";")
node["x"] = int(cords[0])
node["y"] = int(cords[1])
node["physics"] = False
nodes.append(node)
results = {}
results["nodes"] = nodes
results["edges"] = edges
return Response(results)