noCV
AENV-102 · Plan isolated previews

Create a review-environment resource plan with an explicit quota

Practice briefTaskIntermediate

One preview requests every optional dependency and exhausts the local resource budget.

Focused work estimate
2h 30m + prerequisites
Priority in the scenario
Medium
Engineering practice
Capacity planning · Resource limits

Estimated field mix

  • Platform engineering60%
  • Cloud infrastructure40%

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 team creates preview stacks for pull requests. Orphan databases consume resources and previews sometimes inherit settings intended for another branch.

Setup prerequisites

  • Create a local provisioning adapter with synthetic repository events.
  • Use isolated disposable resources and no production credentials.

Preceding work

Complete these dependencies, or supply their agreed outputs before taking this ticket.

Acceptance criteria

  • List CPU, memory, storage and lifetime requirements.
  • Reject plans exceeding per-environment or aggregate quotas.
  • Keep optional dependencies explicit rather than provisioned by default.

Implementation constraints

  • Use documented synthetic quotas and a dry-run planner.

Verification to include

  • Plan a minimal API and database preview.
  • Exceed storage and concurrent-environment quotas and reject allocation.

Deliverables

  • Quota-aware plan command

Rollout and recovery

Expose dry-run plans first; reduce admitted previews if available resources shrink.

Value of the work

For the engineer: Practice resource lifecycle, reconciliation and least-privilege setup.

For the team: Review reliable preview workflows and accountable resource cleanup.

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.