Update to Mysql image tag to pick the latest

[dbasunag]

Description

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• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

Summary by CodeRabbit

• Chores
  • Updated MySQL container image digest in test infrastructure to a newer version.
  • Removed MySQL authentication plugin configuration from test deployment templates.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Two files updated: the MySQL Docker image digest constant in the test configuration was replaced with a different SHA256 hash, and the MySQL authentication plugin argument was removed from the deployment template's container arguments.

Changes

Cohort / File(s)	Summary
Test constants update tests/model_registry/constants.py	Updated MR_DB_IMAGE_DIGEST constant value from public.ecr.aws/docker/library/mysql@sha256:9de9d54fecee6253130e65154b930978b1fcc336bcc86dfd06e89b72a2588ebe to public.ecr.aws/docker/library/mysql@sha256:28540698ce89bd72f985044de942d65bd99c6fadb2db105327db57f3f70564f0
Deployment template configuration tests/model_registry/utils.py	Removed --default-authentication-plugin=mysql_native_password argument from container args in the deployment template

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

• Verify the new MySQL image digest is correct and properly formatted
• Confirm that removing the authentication plugin argument does not break existing tests or deployment behavior

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title describes updating the MySQL image tag, which directly corresponds to the main change in the PR: updating the MR_DB_IMAGE_DIGEST constant to a different SHA256 digest.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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📥 Commits

Reviewing files that changed from the base of the PR and between 6c29e38 and a25240c.

📒 Files selected for processing (2)

• tests/model_registry/constants.py (1 hunks)
• tests/model_registry/utils.py (0 hunks)

💤 Files with no reviewable changes (1)

• tests/model_registry/utils.py

🔇 Additional comments (2)

tests/model_registry/constants.py (2)

44-44: Verify authentication compatibility after removing the mysql_native_password plugin.

According to the AI summary, the related change in tests/model_registry/utils.py removed the --default-authentication-plugin=mysql_native_password argument. Combined with this image update, this could be a breaking change if:

• The new MySQL image defaults to caching_sha2_password (MySQL 8.0+ behavior)
• Test client libraries don't support caching_sha2_password
• Existing test credentials or connection logic assumes mysql_native_password

Please confirm that the model registry tests and client connections are compatible with the new authentication mechanism.

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44-44: Clarify image versioning approach: digest-based pins vs. "latest" tag.

Using a SHA256 digest pins the image to a specific immutable version, which contradicts the PR title's claim to "pick the latest." If the intent is to use the latest stable MySQL version, consider using the public.ecr.aws/docker/library/mysql:8.0 tag instead of a digest, or update the PR title to reflect that this is a specific pinned version. If digest pinning is intentional for reproducibility, clarify this in the PR description and provide the corresponding MySQL version number for documentation purposes.

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[fege]

/lgtm

[github-actions]

Status of building tag latest: success.
Status of pushing tag latest to image registry: success.