AWS DevOps Engineer Professional
942 incident response problems that help with AWS DevOps Engineer Professional prep.
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All problems (942)
CICD-1363A GitHub Actions workflow publishes a package and later the checksum job cannot find itA CI workflow is simplified and later only the checksum or release aggregation job breaks with missing artifact errors.CI/CDIntermediate12 minProCICD-1407A merge queue job reports success and auto-merge never firesA merge queue job reports success and auto-merge never fires focuses on Deployment Governance and asks the reader to isolate the key signal in GitHub. Merge queues introduce ref shapes that can collide with naive branch-based concurr...CI/CDIntermediate12 minProCICD-1387A merge queue stays blockedA merge queue is enabled and later every required check looks green while queued changes never proceed.CI/CDIntermediate12 minProCICD-1369A package publish to an organization registry works from one repo and fails...A package publish to an organization registry works from one repo and fails... focuses on Artifact Promotion and asks the reader to isolate the key signal in GitHub. A shared workflow can still produce different auth behavior because t...CI/CDIntermediate12 minProCICD-1379A package publish to an organization registry works from one repo and fails...A package publish to an organization registry works from one repo and fails... focuses on Artifact Promotion and asks the reader to isolate the key signal in GitHub. Shared workflow logic does not mean shared effective auth scope when th...CI/CDIntermediate12 minProCICD-1349A package publish works from one GitHub environment and fails in anotherA release workflow is duplicated across environments and later one environment alone fails authentication despite matching secret names in the YAML.CI/CDIntermediate12 minProCICD-1409A policy-as-code check passes speculative plans and fails applyA policy-as-code check passes speculative plans and fails apply focuses on execution-context and asks the reader to isolate the key signal in hashicorp. Speculative and apply-time policy data can differ more than teams expect, especially around...CI/CDIntermediate12 minProCICD-1359A private package publish succeeds once and later 403sA private package publish succeeds once and later 403s focuses on Artifact Promotion and asks the reader to isolate the key signal in GitHub. Inherited tokens can cross workflow boundaries while losing the authority implied by the o...CI/CDIntermediate12 minProCICD-1401A protected GitHub environment deploy works on manual dispatch and fails on...A protected GitHub environment deploy works on manual dispatch and fails on... focuses on Deployment Governance and asks the reader to isolate the key signal in GitHub. Reusable workflows can change who is considered the a...CI/CDIntermediate12 minProCICD-1377A reusable GitHub workflow works on push and fails on pull_request_targetA shared workflow is refactored and later one trigger context loses authentication even though the secrets still exist in the repository.CI/CDIntermediate12 minProCICD-1337A reusable workflow keeps skipping one deploymentA shared deployment workflow is reused across environments and one path silently stops running after the input defaults are refactored.CI/CDIntermediate12 minProCICD-1413A rootless BuildKit deployment on shared runners fails onlyA rootless BuildKit deployment on shared runners fails only focuses on Artifact Promotion and asks the reader to isolate the key signal in docker. Rootless build regressions can come from an implicit storage-driver fallback after host chan...CI/CDIntermediate12 minProCICD-1429A Sentinel cost policy stays green in speculative plans and blocks applyA Sentinel cost policy stays green in speculative plans and blocks apply focuses on policy-as-code and asks the reader to isolate the key signal in hashicorp. State move mechanics can change what a policy sees at apply time even if th...CI/CDIntermediate12 minProCICD-1419A Sentinel policy blocks only real appliesA Sentinel policy blocks only real applies focuses on execution-context and asks the reader to isolate the key signal in hashicorp. Policy helpers that summarize graph size can disagree between plan and apply when defaults expand into...CI/CDIntermediate12 minProCICD-1439A Sentinel policy passes on speculative plans and blocks applyA Sentinel policy passes on speculative plans and blocks apply focuses on policy-as-code and asks the reader to isolate the key signal in hashicorp. Policies can disagree across stages when state move reconciliation...CI/CDIntermediate12 minProCICD-1449A Sentinel policy passes speculative plan and blocks applyA Sentinel policy passes speculative plan and blocks apply focuses on policy-as-code and asks the reader to isolate the key signal in hashicorp. Policy disagreements across stages often mean the resource identity graph changed,...CI/CDIntermediate12 minProCICD-1371A BuildKit cache import succeeds and every merge build still goes coldA BuildKit cache import succeeds and every merge build still goes cold focuses on Artifact Promotion and asks the reader to isolate the key signal in docker. A healthy cache import log can still be pointing at the wrong artifact type.CI/CDIntermediate13 minProCICD-1361A BuildKit job finishes and later loses cache reuseA BuildKit job finishes and later loses cache reuse focuses on Artifact Promotion and asks the reader to isolate the key signal in docker. Stable builder names do not guarantee stable cache storage underneath.CI/CDIntermediate13 minProCICD-1325A compose dependency waits foreverA base image update lands and downstream services stop starting because a health gate never turns green anymore.CI/CDIntermediate13 minProCICD-1307A compose profile cleanup breaks startup orderingA team simplifies local profiles and later one environment hangs with no obvious container crash.CI/CDIntermediate13 minPro