Produce a cleanup plan that proves exact resource ownership
A broad name-prefix cleanup could delete another team's preview.
- Focused work estimate
- 2h 30m + prerequisites
- Priority in the scenario
- High
- Engineering practice
- Resource safety
Estimated field mix
- Security50%
- Cloud infrastructure50%
Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.
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Project context
A fictional product team creates preview environments for pull requests. Forgotten environments accumulate cost, and shared test data leaks between reviews.
Setup prerequisites
- Author a local environment-provider double and synthetic pull-request events; provision no external resources.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
- BENV-101 · Define review-environment identity independently of branch names
- BENV-102 · Set per-environment and per-team resource ceilings
- BENV-103 · Create environments through idempotent provider operations
- BENV-104 · Seed synthetic review data in isolated namespaces
- BENV-105 · Bind preview URLs and callbacks to the environment origin
- BENV-106 · Expire environments using leases rather than event delivery alone
- BENV-107 · Reconcile partially created environments after provider failure
Acceptance criteria
- List exact resource IDs and ownership bindings.
- Bind deletion intent to lifecycle revision.
- Reject changed ownership or active lease.
Implementation constraints
- Cleanup applies only to the local provider double.
Verification to include
- Delete an expired owned environment.
- Reject a foreign or newly extended resource.
Deliverables
- Reviewed cleanup plan.
Rollout and recovery
Use dry-run output first; stop on any ownership mismatch.
Value of the work
For the engineer: Practice resource lifecycle state machines, isolation, and reconciliation.
For the team: Make review environments predictable, isolated, and accountable to a budget.
Evidence boundaries
Outcome Evidence: Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.
Ownership Evidence: Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence.