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The container designate_backend_bind9 is responsible for running named service inside.
As this does not use RabbitMQ queues, we can avoid stopping it for having less disruption during RabbitMQ queue migration.

@seunghun1ee seunghun1ee self-assigned this Sep 10, 2025
@seunghun1ee seunghun1ee requested a review from a team as a code owner September 10, 2025 13:32
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Summary of Changes

Hello @seunghun1ee, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refines the RabbitMQ queue migration script to reduce service disruption by preventing the designate_backend_bind9 container from being stopped unnecessarily. Since this specific Designate component does not use RabbitMQ queues, keeping it active during the migration process improves overall system availability. The changes ensure that only RabbitMQ-dependent services are affected by the initial stop, while designate_backend_bind9 is handled separately to maintain its operation.

Highlights

  • Service Exclusion: The designate_backend_bind9 service is now explicitly excluded from the initial list of services to be stopped during RabbitMQ queue migration, as it does not rely on RabbitMQ queues.
  • Selective Service Stoppage: A new command has been introduced to selectively stop other Designate services while ensuring designate_backend_bind9 remains running, minimizing disruption.
  • Full Service Redeployment: All Designate services, including designate_backend_bind9, are re-included in the list for redeployment after the RabbitMQ migration is complete.
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Code Review

This pull request correctly identifies that the designate_backend_bind9 container does not need to be stopped during RabbitMQ queue migration, reducing service disruption. The implementation isolates the stopping of Designate services to exclude designate_backend_bind9. However, the shell command used for this purpose contains errors that would prevent it from functioning as intended. I have provided a correction for this command.

The container ``designate_backend_bind9`` is responsible for running
named service inside.
As this does not use RabbitMQ queues, we can avoid stopping it for
having less disruption during RabbitMQ queue migration.
@seunghun1ee
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seunghun1ee commented Sep 10, 2025

Oh I actually wanted the upgrade AIOs to run :/
Actually nvm. I need to use different approach to test upgrade from Caracal to Epoxy

@seunghun1ee
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@seunghun1ee
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Test passed

@Alex-Welsh
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nit: Should probably have a release note but it's borderline

@seunghun1ee seunghun1ee merged commit ce60192 into stackhpc/2024.1 Sep 11, 2025
23 checks passed
@seunghun1ee seunghun1ee deleted the keep-bind9-rabbitmq-migration branch September 11, 2025 15:54
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4 participants