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Handle case where trace ends at cable termination (#4812 example 2)

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This commit is contained in:
Sander Steffann 2020-07-13 07:43:35 +02:00
parent bf1c0b7b1c
commit 15c39340c4
1 changed files with 9 additions and 1 deletions
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10
netbox/dcim/signals.py
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@ -36,6 +36,8 @@ def update_connected_endpoints(instance, **kwargs):
"""
When a Cable is saved, check for and update its two connected endpoints
"""
from circuits.models import CircuitTermination
logger = logging.getLogger('netbox.dcim.cable')
# Cache the Cable on its two termination points
@ -60,7 +62,13 @@ def update_connected_endpoints(instance, **kwargs):
break
endpoint_a = path[0][0]
endpoint_b = path[-1][2] if not split_ends and not position_stack else None
if not split_ends and not position_stack:
endpoint_b = path[-1][2]
if endpoint_b is None and len(path) >= 2 and isinstance(path[-2][2], CircuitTermination):
# Simulate the previous behaviour and use the circuit termination as connected endpoint
endpoint_b = path[-2][2]
else:
endpoint_b = None
# Patch panel ports are not connected endpoints, all other cable terminations are
if isinstance(endpoint_a, CableTermination) and not isinstance(endpoint_a, (FrontPort, RearPort)) and \