DOP-C02 - Incident and Event Response - Section 5.4
Troubleshoot deployment and pipeline failures using AWS CloudFormation stack rollback, AWS CodeDeploy automatic rollback, deployment alarms and pipeline failure states.
Diagnose failed CloudFormation stack updates by inspecting rollback triggers and stack events, and configure CodeDeploy automatic rollback to revert to the previous revision when a CloudWatch alarm fires during a deployment. Identify the correct corrective action - manual rollback, redeploy from a clean state, or pipeline re-run - based on the failure mode observed.
CloudFormation rollbackCodeDeploy automatic rollbackRollback triggersPipeline failures
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