Revoke one workload without disrupting unrelated exporters
A broad emergency revocation stops every export worker.
- Focused work estimate
- 3h + prerequisites
- Priority in the scenario
- High
- Engineering practice
- Revocation · Authorization
Estimated field mix
- Security80%
- Cloud infrastructure20%
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 export worker shares a long-lived object-store credential across environments. The team needs a provider-neutral identity boundary with safe expiry and revocation.
Setup prerequisites
- Create a local identity issuer and object-store double using generated test-only keys; no cloud account or production secret.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
- BIDENT-101 · Inventory the export worker's required storage operations
- BIDENT-102 · Bind workload assertions to issuer, audience, and environment
- BIDENT-103 · Issue short-lived storage grants with exact resource scope
- BIDENT-104 · Refresh credentials before expiry without creating a refresh storm
- BIDENT-105 · Keep clock skew from extending grant lifetime indefinitely
- BIDENT-106 · Prevent identity-provider outages from selecting static credentials
- BIDENT-107 · Rotate signing keys with a bounded overlap window
Acceptance criteria
- Scope revocation to workload identity and grant class.
- Check revocation before accepting cached authority.
- Preserve unrelated authorized workloads.
Implementation constraints
- Privileged revocations require append-only audit metadata.
Verification to include
- Revoke one synthetic worker.
- Verify its cached grant fails while another worker succeeds.
Deliverables
- Scoped revocation behavior.
Rollout and recovery
Test revocation before replacing the static credential path.
Value of the work
For the engineer: Practice workload identity, audience restrictions, and credential lifecycle failures.
For the team: Produce a migration path that narrows credential scope and makes revocation observable.
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.