| 1 | //go:build linux && rootrunner |
| 2 | |
| 3 | package host |
| 4 | |
| 5 | import ( |
| 6 | "bytes" |
| 7 | "context" |
| 8 | "crypto/ed25519" |
| 9 | "crypto/sha256" |
| 10 | "encoding/base64" |
| 11 | "encoding/hex" |
| 12 | "encoding/json" |
| 13 | "errors" |
| 14 | "os" |
| 15 | "path/filepath" |
| 16 | "runtime" |
| 17 | "testing" |
| 18 | |
| 19 | "github.com/carlosframework/platform/internal/moves" |
| 20 | "github.com/carlosframework/platform/internal/release" |
| 21 | "github.com/carlosframework/platform/internal/rootstate" |
| 22 | ) |
| 23 | |
| 24 | func TestPlan14RootFloorRecoveryRollbackRootRunner(t *testing.T) { |
| 25 | scratch := generationRootRunnerDir(t) |
| 26 | t.Setenv("TMPDIR", scratch) |
| 27 | for _, entry := range []string{"recover", "rollback"} { |
| 28 | for _, target := range []string{"v1.0.0", "v2.0.0"} { |
| 29 | t.Run(entry+"/"+target, func(t *testing.T) { |
| 30 | f, _ := applyHappyVersion(t, "v2.0.0") |
| 31 | for path := f.a.optDir; path != scratch; path = filepath.Dir(path) { |
| 32 | if err := os.Chmod(path, 0755); err != nil { |
| 33 | t.Fatal(err) |
| 34 | } |
| 35 | } |
| 36 | // A compatible previous image can have the same release as the failed |
| 37 | // current image. This tests the real restore without inventing idle evidence. |
| 38 | j := f.brokenBox("v2.0.0", target, target) |
| 39 | delete(f.answer, "version:"+systemPrevPath(f.a.optDir)) |
| 40 | t.Setenv("CARLOS_RELEASE_PUBKEY", base64.StdEncoding.EncodeToString(f.pub)) |
| 41 | t.Setenv("CARLOS_DEPLOYMENT_BUCKET", "deploy") |
| 42 | id := rootFloorIdentity{Deployment: "deploy", Box: "box", Enrollment: "en"} |
| 43 | f.a.rootMoves = func() (rootFloorIdentity, bool, error) { return id, true, nil } |
| 44 | floors, err := openRootMovesFloors(f.a.optDir, id, true) |
| 45 | if err != nil { |
| 46 | t.Fatal(err) |
| 47 | } |
| 48 | defer floors.close() |
| 49 | a := moves.Floor{Min: 1, MinRelease: "v1.0.0"} |
| 50 | b := moves.Floor{Min: 1, MinRelease: "v2.0.0"} |
| 51 | if err := floors.reconstruct(t.Context(), rootFloorReconstruction{Identity: id, Floor: &a, Source: "history", Digest: floorTestDigest, Authorization: floorTestAuthorization(t, floors)}); err != nil { |
| 52 | t.Fatal(err) |
| 53 | } |
| 54 | raw, _ := json.Marshal(b) |
| 55 | if _, err := f.store.Put(t.Context(), moves.FloorKey, raw, ""); err != nil { |
| 56 | t.Fatal(err) |
| 57 | } |
| 58 | for _, path := range []string{systemBinaryPath(f.a.optDir), systemPrevPath(f.a.optDir)} { |
| 59 | body, err := os.ReadFile(path) |
| 60 | if err != nil { |
| 61 | t.Fatal(err) |
| 62 | } |
| 63 | sum := sha256.Sum256(body) |
| 64 | version := "v2.0.0" |
| 65 | if path == systemPrevPath(f.a.optDir) { |
| 66 | version = target |
| 67 | } |
| 68 | platform := runtime.GOOS + "-" + runtime.GOARCH |
| 69 | p := release.SystemPointer{Schema: 1, Component: "router", Channel: "stable", Spread: "0s", PromotedAt: f.now, Current: release.SystemRelease{Version: version, ReleaseTag: version, MovesProtocol: 1, Artifacts: map[string]release.SystemArtifact{platform: {Key: release.SystemArtifactKey(version, platform), SHA256: hex.EncodeToString(sum[:])}}}} |
| 70 | wire, err := release.SignRootEnvelope(release.RootSigner(f.priv), p) |
| 71 | if err != nil { |
| 72 | t.Fatal(err) |
| 73 | } |
| 74 | identities, err := rootstate.Open(filepath.Join(f.a.optDir, "system", "guard", "identities"), true, true) |
| 75 | if err != nil { |
| 76 | t.Fatal(err) |
| 77 | } |
| 78 | if err := identities.Write(version+".json", wire); err != nil { |
| 79 | t.Fatal(err) |
| 80 | } |
| 81 | identities.Close() |
| 82 | } |
| 83 | if err := refreshRootMovesFloor(t.Context(), f.store, f.a.optDir, f.a.dataDir, id); err != nil { |
| 84 | t.Fatal(err) |
| 85 | } |
| 86 | f.a.openStore = func(context.Context) (release.Store, ed25519.PublicKey, error) { |
| 87 | t.Error("recovery read network") |
| 88 | return nil, nil, errors.New("offline") |
| 89 | } |
| 90 | if err := os.WriteFile(prevVersionPath(f.a.optDir), []byte("v0.0.1\n"), 0644); err != nil { |
| 91 | t.Fatal(err) |
| 92 | } |
| 93 | before, _ := os.ReadFile(systemBinaryPath(f.a.optDir)) |
| 94 | journal, _ := os.ReadFile(f.a.file("journal.json")) |
| 95 | calls := len(f.calls) |
| 96 | if entry == "recover" { |
| 97 | _, err = f.a.recoverIfNeeded(t.Context()) |
| 98 | } else { |
| 99 | err = f.a.rollback(t.Context(), systemRequest{Version: j.Target}, "fixture", &j) |
| 100 | } |
| 101 | if target == "v1.0.0" { |
| 102 | after, _ := os.ReadFile(systemBinaryPath(f.a.optDir)) |
| 103 | retained, _ := os.ReadFile(f.a.file("journal.json")) |
| 104 | if err == nil || !bytes.Equal(before, after) || !bytes.Equal(journal, retained) { |
| 105 | t.Fatal("below-floor restore changed state", err) |
| 106 | } |
| 107 | for _, call := range f.calls[calls:] { |
| 108 | if len(call) >= 10 && call[:10] == "systemctl " { |
| 109 | t.Fatal("refused restore touched systemd", call) |
| 110 | } |
| 111 | } |
| 112 | } else { |
| 113 | if entry == "recover" && err != nil { |
| 114 | t.Fatal(err) |
| 115 | } |
| 116 | if f.result() == nil || f.result().Outcome != systemOutcomeRolledBack { |
| 117 | t.Fatal("restore incomplete", err, f.result()) |
| 118 | } |
| 119 | if _, err := os.Stat(f.a.file("journal.json")); !os.IsNotExist(err) { |
| 120 | t.Fatal("successful restore retained journal", err) |
| 121 | } |
| 122 | } |
| 123 | p, e := readRootFloorProjection(f.a.optDir) |
| 124 | if e != nil || p.Floor == nil || *p.Floor != b { |
| 125 | t.Fatal("recovery lost retained B", p, e) |
| 126 | } |
| 127 | }) |
| 128 | } |
| 129 | } |
| 130 | } |
| 131 | |
amadan