E4 Rollback

Requirements

1. E4-R1acceptedMUST

   Every change lemonfiber makes MUST be journaled with prior value, new value, timestamp and originating operation, a secret's values by their fingerprints (ARCH-R276).

   locked by

   0.14.0 ● met

   recorded done

   lemonfibercrates/lemonfiber-core/src/journal.rscrates/lemonfiber-core/src/app/recover.rscrates/lemonfiber-core/src/config/env.rscrates/lemonfiber-core/src/config/store.rscrates/lemonfiber/src/setup/interrupted.rscrates/lemonfiber/src/setup.rs

   cited by

   lemonfiber@ca12106e63lemonfiber@468091e1dclemonfiber@be01322365lemonfiber@bf54885153lemonfiber@588d3227a1lemonfiber@6d343cd1d7lemonfiber@6049dcbe19

2. E4-R2acceptedMUST

   Rollback MUST operate on individual changes, not only on points in time.

   locked by

   0.14.0 ● met

   recorded done

   lemonfibercrates/lemonfiber-core/src/journal.rscrates/lemonfiber-core/src/app/recover.rscrates/lemonfiber-core/src/config/env.rscrates/lemonfiber-core/src/config/store.rscrates/lemonfiber/src/setup/interrupted.rscrates/lemonfiber/src/setup.rs

   cited by

   lemonfiber@d4f5fc4840lemonfiber@d7d549ba42lemonfiber@0a2e2fd45elemonfiber@6049dcbe19

3. E4-R3acceptedMUST

   Each journaled change MUST be classified as reversible, irreversible, or partially reversible.

   locked by

   0.14.0 ■ uncited

   recorded done

   lemonfibercrates/lemonfiber-core/src/journal.rscrates/lemonfiber-core/src/rollback.rscrates/lemonfiber-core/src/app/history.rs

4. E4-R4acceptedMUST

   Rollback MUST NOT be offered where it cannot succeed.

   locked by

   0.14.0 ● met

   recorded done

   lemonfibercrates/lemonfiber-core/src/app/putting_back.rscrates/lemonfiber-core/src/app/recover.rs

   cited by

   lemonfiber@d4f5fc4840

5. E4-R5acceptedMUST

   Where rollback is unavailable due to a database migration, lemonfiber MUST state the reason and point at the pre-update backup.

   locked by

   0.14.0 ● met

   recorded done

   lemonfibercrates/lemonfiber-core/src/rollback.rscrates/lemonfiber-core/src/migration/version.rscrates/lemonfiber-core/src/app/history.rs

   cited by

   lemonfiber@2700adfac2

6. E4-R6acceptedMUST

   A rollback MUST itself be journaled and MUST be rollable.

   locked by

   0.14.0 ● met

   recorded done

   lemonfibercrates/lemonfiber-core/src/app/putting_back.rscrates/lemonfiber-core/src/app/recover.rs

   cited by

   lemonfiber@ca12106e63lemonfiber@d4f5fc4840

7. E4-R7acceptedMUST

   Rolling back a change with dependent later changes MUST detect the dependency and require confirmation or refuse.

   locked by

   0.14.0 ■ uncited

   recorded done

   lemonfibercrates/lemonfiber-core/src/journal.rscrates/lemonfiber-core/src/rollback.rscrates/lemonfiber-core/src/app/history.rs

8. E4-R8acceptedMUST

   A value manually changed since MUST be treated as drift and MUST NOT be silently overwritten.

   locked by

   0.14.0 ■ uncited

   recorded done

   lemonfibercrates/lemonfiber-core/src/journal.rscrates/lemonfiber-core/src/rollback.rscrates/lemonfiber-core/src/app/history.rs

9. E4-R9acceptedMUST

   Rolling back a data root move MUST state that data is not moved back.

   locked by

   0.14.0 ■ uncited

   recorded done

   lemonfibercrates/lemonfiber-core/src/journal.rscrates/lemonfiber-core/src/rollback.rscrates/lemonfiber-core/src/app/history.rs

10. E4-R10acceptedMUST

    An unavailable rollback target MUST be reported explicitly.

    locked by

    0.14.0 ● met

    recorded done

    lemonfibercrates/lemonfiber-core/src/app/putting_back.rscrates/lemonfiber-core/src/app/recover.rs

    cited by

    lemonfiber@d4f5fc4840

11. E4-R11acceptedMUST

    Journal history MUST be browsable, showing what changed and when.

    locked by

    0.14.0 ● met

    recorded done

    lemonfibercrates/lemonfiber-core/src/journal.rscrates/lemonfiber-core/src/rollback.rscrates/lemonfiber-core/src/app/history.rs

    cited by

    lemonfiber@01d7407251

12. E4-R12acceptedMUST

    A partially failed rollback MUST report the exact resulting state.

    locked by

    0.14.0 ● met

    recorded done

    lemonfibercrates/lemonfiber-core/src/app/putting_back.rscrates/lemonfiber-core/src/app/recover.rs

    cited by

    lemonfiber@d4f5fc4840

13. E4-R13acceptedMUST

    Journal retention MUST be bounded and the horizon MUST be stated.

    locked by

    0.14.0 ● met

    recorded done

    lemonfibercrates/lemonfiber-core/src/journal/keeping.rs

    cited by

    lemonfiber@a7561cfa8f

14. E4-R14acceptedMUST

    Changes applied as one operation MUST roll back as one unit.

    locked by

    0.14.0 ● met

    recorded done

    lemonfibercontract/web-api/index.jsoncrates/lemonfiber-api/src/actions.rscrates/lemonfiber-api/src/actions/asked.rscrates/lemonfiber-api/src/actions/asked/takers.rs

    cited by

    lemonfiber@d4f5fc4840lemonfiber@01d7407251