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[Bug] Fix race condition in interface model cancel thread#3508

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bug/inferface-model-race-condition
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[Bug] Fix race condition in interface model cancel thread#3508
ryan-pratt wants to merge 5 commits into
mainfrom
bug/inferface-model-race-condition

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@ryan-pratt

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When uninstalling a plugin, there was a race condition where InterfaceStatusModel.set() or RouterStatusModel.set() could be called during the last loop iteration, immediately after a different thread removed them. This resulted in orphaned data in valkey.

There was also an issue in interface_model.rb where we never called .destroy() on the model if we encountered an exception earlier in the block.

@ryan-pratt ryan-pratt requested review from jmthomas and ryanmelt June 26, 2026 18:22
Logger.error("Error undeploying interface/router model #{@name} in scope #{@scope} due to #{error}")
ensure
begin
if type == 'INTERFACE'
Comment thread openc3/lib/openc3/models/interface_model.rb Fixed
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codecov Bot commented Jun 26, 2026

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Codecov Report

❌ Patch coverage is 86.66667% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 79.28%. Comparing base (70c37ff) to head (33d25ff).
⚠️ Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
...lib/openc3/microservices/interface_microservice.rb 90.00% 1 Missing ⚠️
openc3/lib/openc3/models/interface_model.rb 80.00% 1 Missing ⚠️
Additional details and impacted files
@@           Coverage Diff           @@
##             main    #3508   +/-   ##
=======================================
  Coverage   79.28%   79.28%           
=======================================
  Files         689      689           
  Lines       57332    57338    +6     
  Branches      728      728           
=======================================
+ Hits        45455    45462    +7     
+ Misses      11799    11798    -1     
  Partials       78       78           
Flag Coverage Δ
python 80.38% <ø> (-0.02%) ⬇️
ruby-api 81.06% <ø> (+0.11%) ⬆️
ruby-backend 83.13% <86.66%> (+<0.01%) ⬆️

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all_interfaces = InterfaceStatusModel.all(scope="DEFAULT")
self.assertEqual(all_interfaces["INST_INT"]["state"], "ATTEMPTING")

for _stdout in capture_io():
@ryan-pratt ryan-pratt force-pushed the bug/inferface-model-race-condition branch from eb4b86a to 3f11a94 Compare June 26, 2026 19:40
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2 participants