mirror of
https://github.com/drygdryg/netbox-plugin-device-map.git
synced 2024-11-26 12:10:54 +03:00
45 lines
1.9 KiB
Python
45 lines
1.9 KiB
Python
from packaging import version
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from dcim.models import Device
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from django.db.models import QuerySet, Q
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from ipam.models import VLAN
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from netbox.settings import VERSION
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from .settings import plugin_settings
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LOCATION_CF_NAME = plugin_settings['device_geolocation_cf']
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NETBOX_VERSION = version.parse(VERSION)
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LatLon = tuple[float, float]
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def get_device_location(device: Device) -> LatLon | None:
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"""Extract device geolocation from special custom field"""
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if location_cf := device.custom_field_data.get(LOCATION_CF_NAME):
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return tuple(map(float, location_cf.replace(' ', '').split(',', maxsplit=1)))
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def get_connected_devices(device: Device, vlan: VLAN = None) -> QuerySet[Device]:
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"""Get list of connected devices to the specified device.
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If the vlan is specified, return only devices connected to the interfaces of the specified device
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containing the specified VLAN"""
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included_interfaces = device.interfaces.all()
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if vlan is not None:
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included_interfaces = included_interfaces.filter(Q(untagged_vlan=vlan) | Q(tagged_vlans=vlan))
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if NETBOX_VERSION < version.parse('3.3.0'):
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return Device.objects.filter(interfaces___link_peer_id__in=included_interfaces)
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else:
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return Device.objects.filter(
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interfaces__cable__terminations__interface__in=device.interfaces.all()
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).exclude(pk=device.id)
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def are_devices_connected(device_a: Device, device_b: Device) -> bool:
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"""Determines whether devices are connected to each other by a direct connection"""
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if NETBOX_VERSION < version.parse('3.3.0'):
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queryset = Device.objects.filter(interfaces___link_peer_id__in=device_a.interfaces.all(), id=device_b.id)
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else:
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queryset = Device.objects.filter(
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interfaces__cable__terminations__interface__in=device_a.interfaces.all(), id=device_b.id)
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return bool(queryset.values('pk'))
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