| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "os" |
| 6 | |
| 7 | "github.com/carlosframework/platform/internal/release" |
| 8 | "github.com/carlosframework/platform/internal/rootstate" |
| 9 | ) |
| 10 | |
| 11 | type generationPinSource struct { |
| 12 | legacy func() (bool, error) |
| 13 | open func() (rootstate.Store, error) |
| 14 | verify func(context.Context, []release.GenerationReservation) error |
| 15 | reconcile func(context.Context, []release.GenerationReservation) (release.GenerationEvidence, error) |
| 16 | retire func(context.Context, *release.RootGenerations) error |
| 17 | } |
| 18 | |
| 19 | func productionRootGenerationPins() release.PinSource { |
| 20 | s := generationPinSource{legacy: legacyRootRestart, retire: productionRetireGenerations, open: func() (rootstate.Store, error) { |
| 21 | return rootstate.Open(release.RootGenerationsDir, false, false) |
| 22 | }} |
| 23 | s.reconcile = (generationReconciler{read: productionGenerationInventory, kernel: productionRetiredGenerationKernelCensus}).reconcile |
| 24 | return s |
| 25 | } |
| 26 | |
| 27 | func (s generationPinSource) StagedPins(ctx context.Context, optDir string) (release.StagedPaths, error) { |
| 28 | if s.legacy != nil { |
| 29 | legacy, err := s.legacy() |
| 30 | if err != nil { |
| 31 | return nil, err |
| 32 | } |
| 33 | if legacy { |
| 34 | return release.StagedPaths{}, nil |
| 35 | } |
| 36 | } |
| 37 | if s.open == nil { |
| 38 | return nil, os.ErrPermission |
| 39 | } |
| 40 | store, err := s.open() |
| 41 | if err != nil { |
| 42 | return nil, err |
| 43 | } |
| 44 | if store == nil { |
| 45 | return nil, os.ErrPermission |
| 46 | } |
| 47 | defer store.Close() |
| 48 | ledger := &release.RootGenerations{Store: store} |
| 49 | if s.retire != nil { |
| 50 | if err := s.retire(ctx, ledger); err != nil { |
| 51 | return nil, err |
| 52 | } |
| 53 | } |
| 54 | return (release.RootGenerationPins{Ledger: ledger, Verify: s.verify, Reconcile: s.reconcile}).StagedPins(ctx, optDir) |
| 55 | } |
| 56 | |
amadan