fix 1.15 base image build

[changluyi]

Pull Request

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What type of this PR

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• Features
• Bug fixes
• Docs
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Which issue(s) this PR fixes

Fixes #(issue-number)

[gemini-code-assist]

Summary of Changes

Hello @changluyi, 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 resolves a build failure for the 1.15 base image by updating a specific patch related to load balancer backend selection. The changes include minor updates to the patch's metadata, a crucial memory deallocation fix, and a refactoring of core load balancing functions to improve the handling of logical switch ports.

Highlights

• Base Image Build Fix: This pull request addresses and fixes an issue encountered during the build process of the 1.15 base image.
• Load Balancer Patch Update: An existing patch, 9286e1fd578fdb8f565a0f4aa9066b538295e1ac.patch, which is related to selecting local load balancer backends, has been updated. The comment in the Dockerfile now includes 'tmp', indicating a temporary or iterative change to this patch.
• Memory Management Improvement: A sset_destroy call was added in northd/northd.c for logical_ports, which improves memory management and prevents potential leaks related to logical port sets.
• Load Balancer Function Refactoring: Several load balancer related functions, including build_lb_rules and build_lswitch_flows_for_lb, have been refactored to accept an additional ls_ports hash map. This change likely enhances how logical switch ports are managed and processed during the construction of load balancing rules.

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[gemini-code-assist]

Code Review

This pull request aims to fix the base image build. The changes involve updating a patch file to fix a memory leak and modifying a comment in the Dockerfile. The memory leak fix in dist/images/patches/9286e1fd578fdb8f565a0f4aa9066b538295e1ac.patch by adding sset_destroy is a critical and correct change. My review includes one suggestion for the comment in dist/images/Dockerfile.base to improve clarity and maintainability.

[gemini-code-assist]

The word tmp has been added to this comment, which suggests this might be a temporary change. For future maintainability, it would be clearer to either remove tmp if the change is permanent, or add a more descriptive comment explaining why this is a temporary measure and what the long-term plan is.

	# loadbalancer select local backend first

[coveralls]

Pull Request Test Coverage Report for Build 21234244601

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.004%) to 22.895%

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Totals
Change from base Build 21196451705:	0.004%
Covered Lines:	12281
Relevant Lines:	53640

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💛 - Coveralls