2023-08-28: Multiple gdk-qa-smoke and gdk-qa-reliable failures

Customer Impact

Blocks SaaS deployments. No customer impact.

Current Status

Revert MR merged gitlab-org/gitlab!130340 (merged) and will be in next deployment.

📝 Summary for CMOC notice / Exec summary:

1. Customer Impact: QA test failures during deployment, therefore deployments blocked and no customer impact.
2. Service Impact: SaaS deployments blocked
3. Impact Duration: 15:40:44 UTC - 18:39 UTC (179 minutes)
4. Root cause: Language switcher logic implemented via gitlab-org/gitlab!129651 (merged)

📚 References and helpful links

Recent Events (available internally only):

• Feature Flag Log - Chatops to toggle Feature Flags Documentation
• Infrastructure Configurations
• GCP Events (e.g. host failure)

Deployment Guidance

• Deployments Log | Gitlab.com Latest Updates
• Reach out to Release Managers for S1/S2 incidents to discuss Rollbacks, Hot Patching or speeding up deployments. | Rollback Runbook | Hot Patch Runbook

Use the following links to create related issues to this incident if additional work needs to be completed after it is resolved:

• Corrective action ❙ Infradev
• Incident Review ❙ Infra investigation followup
• Confidential Support contact ❙ QA investigation

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