Handle 1-on-1 patch panels

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Sander Steffann 2020-04-21 10:09:26 +02:00 committed by GitHub
parent f80eb16060
commit 85850eb7bd
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@ -107,28 +107,31 @@ class CableTermination(models.Model):
# Map a front port to its corresponding rear port
if isinstance(termination, FrontPort):
position_stack.append(termination.rear_port_position)
# Retrieve the corresponding RearPort from database to ensure we have an up-to-date instance
peer_port = RearPort.objects.get(pk=termination.rear_port.pk)
if peer_port.positions > 1:
position_stack.append(termination.rear_port_position)
return peer_port
# Map a rear port/position to its corresponding front port
elif isinstance(termination, RearPort):
if termination.positions > 1:
# Can't map to a FrontPort without a position
if not position_stack:
# TODO: This behavior is broken. We need a mechanism by which to return all FrontPorts mapped
# to a given RearPort so that we can update end-to-end paths when a cable is created/deleted.
# For now, we're maintaining the current behavior of tracing only to the first FrontPort.
position_stack.append(1)
# Can't map to a FrontPort without a position
if not position_stack:
# TODO: This behavior is broken. We need a mechanism by which to return all FrontPorts mapped
# to a given RearPort so that we can update end-to-end paths when a cable is created/deleted.
# For now, we're maintaining the current behavior of tracing only to the first FrontPort.
position_stack.append(1)
position = position_stack.pop()
position = position_stack.pop()
# Validate the position
if position not in range(1, termination.positions + 1):
raise Exception("Invalid position for {} ({} positions): {})".format(
termination, termination.positions, position
))
# Validate the position
if position not in range(1, termination.positions + 1):
raise Exception("Invalid position for {} ({} positions): {})".format(
termination, termination.positions, position
))
else:
position = 1
try:
peer_port = FrontPort.objects.get(