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Merge pull request #4706 from netbox-community/4604_check_position_stack

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4708: more flexible checks on RearPort usage
This commit is contained in:
Jeremy Stretch
2020-07-01 10:59:17 -04:00
committed by GitHub
parent 0b1df1483f 0455947597
commit 56ec4a6360
6 changed files with 311 additions and 53 deletions
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13
netbox/dcim/models/__init__.py
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@@ -2129,6 +2129,7 @@ class Cable(ChangeLoggedModel):
return reverse('dcim:cable', args=[self.pk])
def clean(self):
from circuits.models import CircuitTermination
# Validate that termination A exists
if not hasattr(self, 'termination_a_type'):
@@ -2191,19 +2192,21 @@ class Cable(ChangeLoggedModel):
f"Incompatible termination types: {self.termination_a_type} and {self.termination_b_type}"
)
# A RearPort with multiple positions must be connected to a RearPort with an equal number of positions
# Check that a RearPort with multiple positions isn't connected to an endpoint
# or a RearPort with a different number of positions.
for term_a, term_b in [
(self.termination_a, self.termination_b),
(self.termination_b, self.termination_a)
]:
if isinstance(term_a, RearPort) and term_a.positions > 1:
if not isinstance(term_b, RearPort):
if not isinstance(term_b, (FrontPort, RearPort, CircuitTermination)):
raise ValidationError(
"Rear ports with multiple positions may only be connected to other rear ports"
"Rear ports with multiple positions may only be connected to other pass-through ports"
)
elif term_a.positions != term_b.positions:
if isinstance(term_b, RearPort) and term_b.positions > 1 and term_a.positions != term_b.positions:
raise ValidationError(
f"{term_a} has {term_a.positions} position(s) but {term_b} has {term_b.positions}. "
f"{term_a} of {term_a.device} has {term_a.positions} position(s) but "
f"{term_b} of {term_b.device} has {term_b.positions}. "
f"Both terminations must have the same number of positions."
)