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59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
import logging
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from django.db.models.signals import post_save, post_delete
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from django.dispatch import receiver
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from dcim.models import Interface
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from .models import WirelessLink
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#
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# Wireless links
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#
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@receiver(post_save, sender=WirelessLink)
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def update_connected_interfaces(instance, raw=False, **kwargs):
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"""
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When a WirelessLink is saved, save a reference to it on each connected interface.
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"""
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print('update_connected_interfaces')
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logger = logging.getLogger('netbox.wireless.wirelesslink')
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if raw:
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logger.debug(f"Skipping endpoint updates for imported wireless link {instance}")
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return
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if instance.interface_a.wireless_link != instance:
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logger.debug(f"Updating interface A for wireless link {instance}")
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instance.interface_a.wireless_link = instance
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# instance.interface_a._cable_peer = instance.interface_b # TODO: Rename _cable_peer field
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instance.interface_a.save()
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if instance.interface_b.cable != instance:
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logger.debug(f"Updating interface B for wireless link {instance}")
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instance.interface_b.wireless_link = instance
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# instance.interface_b._cable_peer = instance.interface_a
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instance.interface_b.save()
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@receiver(post_delete, sender=WirelessLink)
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def nullify_connected_interfaces(instance, **kwargs):
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"""
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When a WirelessLink is deleted, update its two connected Interfaces
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"""
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print('nullify_connected_interfaces')
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logger = logging.getLogger('netbox.wireless.wirelesslink')
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if instance.interface_a is not None:
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logger.debug(f"Nullifying interface A for wireless link {instance}")
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Interface.objects.filter(pk=instance.interface_a.pk).update(
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wireless_link=None,
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_cable_peer_type=None,
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_cable_peer_id=None
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)
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if instance.interface_b is not None:
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logger.debug(f"Nullifying interface B for wireless link {instance}")
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Interface.objects.filter(pk=instance.interface_b.pk).update(
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wireless_link=None,
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_cable_peer_type=None,
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_cable_peer_id=None
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)
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