| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "crypto/ed25519" |
| 6 | "log" |
| 7 | "os" |
| 8 | "time" |
| 9 | |
| 10 | "github.com/carlosframework/platform/internal/release" |
| 11 | "github.com/carlosframework/platform/internal/rootstate" |
| 12 | ) |
| 13 | |
| 14 | type rootHistoryMaintenance struct { |
| 15 | readback func(context.Context, release.HistoryBinding, func(context.Context) (release.HistoryMigrationStatus, error)) error |
| 16 | history *release.RootHistory |
| 17 | store release.Store |
| 18 | source *proofBindingSource |
| 19 | checks rootRestartChecks |
| 20 | pub func() (ed25519.PublicKey, error) |
| 21 | projection func() (rootstate.Store, error) |
| 22 | now func() time.Time |
| 23 | } |
| 24 | |
| 25 | func (m rootHistoryMaintenance) run(ctx context.Context, b release.HistoryBinding) error { |
| 26 | resolveContext := func(ctx context.Context, want release.HistoryBinding) (string, error) { |
| 27 | _, got, _, err := m.source.unitBinding(ctx, want.Host) |
| 28 | if err != nil { |
| 29 | return "", err |
| 30 | } |
| 31 | if got.Route.Account != want.Account || got.Route.App != want.App { |
| 32 | return "", os.ErrPermission |
| 33 | } |
| 34 | return got.Source, nil |
| 35 | } |
| 36 | resolve := func(want release.HistoryBinding) (string, error) { return resolveContext(ctx, want) } |
| 37 | sources := release.HistoryRecoverySources{} |
| 38 | defer func() { |
| 39 | projection, err := m.projection() |
| 40 | if err == nil { |
| 41 | err = m.history.ProjectMigrationStatus(projection, b, resolve, sources) |
| 42 | projection.Close() |
| 43 | } |
| 44 | if err != nil { |
| 45 | log.Print(err) |
| 46 | } |
| 47 | if m.readback != nil { |
| 48 | err := m.readback(ctx, b, func(readbackCtx context.Context) (release.HistoryMigrationStatus, error) { |
| 49 | readbackResolve := func(want release.HistoryBinding) (string, error) { return resolveContext(readbackCtx, want) } |
| 50 | return m.history.MigrationStatusWithSources(b, readbackResolve, sources) |
| 51 | }) |
| 52 | if err != nil { |
| 53 | log.Print(err) |
| 54 | } |
| 55 | } |
| 56 | }() |
| 57 | unresolved, err := m.checks.copyRecoveryHistory(m.history, b) |
| 58 | sources.Known, sources.Unresolved = err == nil, unresolved |
| 59 | if err != nil { |
| 60 | return err |
| 61 | } |
| 62 | pub, err := m.pub() |
| 63 | if err != nil { |
| 64 | return err |
| 65 | } |
| 66 | now := m.now() |
| 67 | if err := m.history.ReceiveReconstruction(ctx, m.store, pub, b, now, resolve); err != nil { |
| 68 | return err |
| 69 | } |
| 70 | if err := m.history.ReceiveRecoveryRetirements(ctx, m.store, pub, b, now, resolve); err != nil { |
| 71 | return err |
| 72 | } |
| 73 | return checkUnresolvedRecoveries(m.history, unresolved) |
| 74 | } |
| 75 | |
amadan