| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "strings" |
| 7 | |
| 8 | "github.com/carlosframework/platform/internal/hostactors" |
| 9 | "github.com/carlosframework/platform/internal/hostbox" |
| 10 | "github.com/carlosframework/platform/internal/hostevidence" |
| 11 | "github.com/carlosframework/platform/internal/release" |
| 12 | ) |
| 13 | |
| 14 | func readMigrationStop(ctx context.Context, store release.Store, directory hostactors.Directory, launches *hostbox.LaunchJournal, inventory *hostbox.StopInventoryDB, launch hostbox.LaunchInventory) (StopResult, error) { |
| 15 | target := launch.Target |
| 16 | in, err := inventory.ReadExactStopInventory(ctx, target) |
| 17 | if err != nil { |
| 18 | return StopResult{}, err |
| 19 | } |
| 20 | journal, err := launches.ReadStopKernelJournal(ctx, target) |
| 21 | if err != nil { |
| 22 | return StopResult{}, err |
| 23 | } |
| 24 | if err := legacyJournalProof(store, directory)(ctx, launch, in, journal); err != nil { |
| 25 | return StopResult{}, err |
| 26 | } |
| 27 | roster, err := directory.Read(ctx) |
| 28 | if err != nil { |
| 29 | return StopResult{}, err |
| 30 | } |
| 31 | actor, ok := roster.Roster.Boxes[target.Box] |
| 32 | if !ok || actor.Enrollment != target.Enrollment { |
| 33 | return StopResult{}, hostbox.ErrLegacyJournalProof |
| 34 | } |
| 35 | prefix := strings.TrimSuffix(stopEvidenceKey(target.Host, target.Op, target.Box, ""), ".json") |
| 36 | keys, err := store.List(ctx, prefix) |
| 37 | if err != nil { |
| 38 | return StopResult{}, err |
| 39 | } |
| 40 | wanted := StopReceipt{Host: target.Host, Incarnation: target.Incarnation, InstallationStamp: target.Stamp, WriterSession: target.Session, Box: target.Box, Enrollment: target.Enrollment, BootID: target.BootID, ControllerID: target.ControllerID, OperationID: target.Op, Region: target.Region, Binding: in.DirectoryRevision, InventorySHA256: digestStop(in), LocalJournalSHA256: digestStop(journal)} |
| 41 | for _, key := range keys { |
| 42 | if !strings.HasPrefix(key, prefix) || !strings.HasSuffix(key, ".json") { |
| 43 | continue |
| 44 | } |
| 45 | raw, _, err := store.Get(ctx, key) |
| 46 | if err != nil { |
| 47 | return StopResult{}, err |
| 48 | } |
| 49 | signature, _, err := store.Get(ctx, key+".sig") |
| 50 | if err != nil { |
| 51 | continue |
| 52 | } |
| 53 | if hostevidence.Verify(actor.CensusPublicKey, key, raw, signature) != nil { |
| 54 | continue |
| 55 | } |
| 56 | var p StopReceipt |
| 57 | if json.Unmarshal(raw, &p) != nil || p.V != 1 || p.Kind != "stopped" || p.ID == "" || p.FenceID == "" || p.ClaimGen == 0 || p.ObservedBootID == "" || p.EvidenceAt.IsZero() || len(p.CgroupIdentities) == 0 || p.RequestLimitNS != int64(hostbox.RequestLimit) || key != prefix+p.ID+".json" || legacyJournalProofMatch(p) != legacyJournalProofMatch(wanted) || p.Phase != target.Phase || p.ObligationID != target.ObligationID { |
| 58 | continue |
| 59 | } |
| 60 | numeral, ok := receiptRosterRevision(p.DirectoryRevision) |
| 61 | if !ok { |
| 62 | continue |
| 63 | } |
| 64 | target.FenceID, target.ClaimGen, target.ClaimETag, target.RosterRevision = p.FenceID, p.ClaimGen, p.ClaimETag, numeral |
| 65 | return StopResult{Target: target, Key: key, Digest: digestRawStop(raw), Bytes: raw, EvidenceAt: p.EvidenceAt}, nil |
| 66 | } |
| 67 | return StopResult{}, hostbox.ErrLegacyJournalProof |
| 68 | } |
| 69 | |
amadan