| 1 | //go:build linux |
| 2 | |
| 3 | package host |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "encoding/json" |
| 8 | "fmt" |
| 9 | "os" |
| 10 | "path/filepath" |
| 11 | "strings" |
| 12 | "testing" |
| 13 | |
| 14 | "github.com/carlosframework/platform/internal/release" |
| 15 | "github.com/carlosframework/platform/internal/seeds" |
| 16 | ) |
| 17 | |
| 18 | func publishSeedsFloor(t *testing.T, s release.Store, rel string) { |
| 19 | t.Helper() |
| 20 | if err := seeds.PublishFloor(context.Background(), s, seeds.Floor{Min: seeds.RequiredProtocol, MinRelease: rel}); err != nil { |
| 21 | t.Fatal(err) |
| 22 | } |
| 23 | } |
| 24 | |
| 25 | func TestSyncLocalSeedsFloorArmsAndOnlyRises(t *testing.T) { |
| 26 | ctx := context.Background() |
| 27 | dd := t.TempDir() |
| 28 | s := release.NewDirStore(t.TempDir()) |
| 29 | if f, err := syncLocalSeedsFloor(ctx, s, dd); f != nil || err != nil { |
| 30 | t.Fatalf("nothing published: %+v, %v", f, err) |
| 31 | } |
| 32 | if seedsFloorArmed(dd) { |
| 33 | t.Fatal("armed with nothing published") |
| 34 | } |
| 35 | publishSeedsFloor(t, s, "v0.27.0") |
| 36 | f, err := syncLocalSeedsFloor(ctx, s, dd) |
| 37 | if err != nil || f == nil || f.MinRelease != "v0.27.0" || !seedsFloorArmed(dd) { |
| 38 | t.Fatalf("after publish: %+v, %v", f, err) |
| 39 | } |
| 40 | if line, ok := readBeneathLine(dd, seeds.FloorMinReleaseFile); !ok || line != "v0.27.0" { |
| 41 | t.Fatalf("min-release file = %q, %v", line, ok) |
| 42 | } |
| 43 | // Once armed, armed: an object that disappears leaves the files. |
| 44 | if err := s.Delete(ctx, seeds.FloorKey); err != nil { |
| 45 | t.Fatal(err) |
| 46 | } |
| 47 | if f, _ := syncLocalSeedsFloor(ctx, s, dd); f == nil || f.MinRelease != "v0.27.0" { |
| 48 | t.Fatalf("after the object went: %+v", f) |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | func TestSeedsFloorFilesWriteOrder(t *testing.T) { |
| 53 | dd := t.TempDir() |
| 54 | // A crash after the min-release file and before the JSON: the Go |
| 55 | // readers see no floor, and the units' line is AHEAD of every verdict. |
| 56 | if err := os.MkdirAll(filepath.Join(dd, ".moves"), 0o755); err != nil { |
| 57 | t.Fatal(err) |
| 58 | } |
| 59 | if err := os.WriteFile(filepath.Join(dd, seeds.FloorMinReleaseFile), []byte("v0.27.0\n"), 0o644); err != nil { |
| 60 | t.Fatal(err) |
| 61 | } |
| 62 | if f, err := readLocalSeedsFloor(dd); f != nil || err != nil { |
| 63 | t.Fatalf("readers trust only the JSON: %+v, %v", f, err) |
| 64 | } |
| 65 | // And the writer writes the line first, the JSON last. |
| 66 | var order []string |
| 67 | writeHook = func(name string) { order = append(order, name) } |
| 68 | defer func() { writeHook = nil }() |
| 69 | if err := withFloorLock(dd, true, func(d *movesDir) error { |
| 70 | return writeSeedsFloorFiles(d, seeds.Floor{Min: 1, MinRelease: "v0.28.0"}) |
| 71 | }); err != nil { |
| 72 | t.Fatal(err) |
| 73 | } |
| 74 | if len(order) != 2 || order[0] != filepath.Base(seeds.FloorMinReleaseFile) || order[1] != filepath.Base(seeds.FloorFile) { |
| 75 | t.Fatalf("write order = %q", order) |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | func TestJudgeSeedsPrev(t *testing.T) { |
| 80 | opt, dd := t.TempDir(), t.TempDir() |
| 81 | verdict := seedsPrevAllowedPath(opt) |
| 82 | // No carlos.prev: no verdict. |
| 83 | if err := judgeSeedsPrev(opt, dd); err != nil { |
| 84 | t.Fatal(err) |
| 85 | } |
| 86 | if _, err := os.Stat(verdict); !os.IsNotExist(err) { |
| 87 | t.Fatal("a verdict with no carlos.prev") |
| 88 | } |
| 89 | if err := os.WriteFile(systemPrevPath(opt), []byte("#!/bin/sh\n"), 0o755); err != nil { |
| 90 | t.Fatal(err) |
| 91 | } |
| 92 | if err := writePrevVersion(opt, "v0.27.2"); err != nil { |
| 93 | t.Fatal(err) |
| 94 | } |
| 95 | // No seeds floor: no verdict (the units do not read one then). |
| 96 | if err := judgeSeedsPrev(opt, dd); err != nil { |
| 97 | t.Fatal(err) |
| 98 | } |
| 99 | if _, err := os.Stat(verdict); !os.IsNotExist(err) { |
| 100 | t.Fatal("a verdict with no seeds floor") |
| 101 | } |
| 102 | s := release.NewDirStore(t.TempDir()) |
| 103 | publishSeedsFloor(t, s, "v0.27.0") |
| 104 | if _, err := syncLocalSeedsFloor(context.Background(), s, dd); err != nil { |
| 105 | t.Fatal(err) |
| 106 | } |
| 107 | if err := judgeSeedsPrev(opt, dd); err != nil { |
| 108 | t.Fatal(err) |
| 109 | } |
| 110 | if line, ok := readLine(verdict); !ok || line != "v0.27.0" { |
| 111 | t.Fatalf("verdict = %q, %v; want the floor's min_release", line, ok) |
| 112 | } |
| 113 | // carlos.prev below the floor: the verdict goes. |
| 114 | if err := writePrevVersion(opt, "v0.26.9"); err != nil { |
| 115 | t.Fatal(err) |
| 116 | } |
| 117 | if err := judgeSeedsPrev(opt, dd); err != nil { |
| 118 | t.Fatal(err) |
| 119 | } |
| 120 | if _, err := os.Stat(verdict); !os.IsNotExist(err) { |
| 121 | t.Fatal("a verdict for a carlos.prev below the floor") |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | func TestWithSeedsFields(t *testing.T) { |
| 126 | dd, opt := t.TempDir(), t.TempDir() |
| 127 | f := withSeedsFields(edgesFile{Box: "kass-1"}, dd, opt) |
| 128 | if f.SeedsProtocol != seeds.ProtocolVersion || f.SeedsFloorMinRelease != "" || f.PrevSeedsAllowedFor != "" { |
| 129 | t.Fatalf("unarmed = %+v", f) |
| 130 | } |
| 131 | s := release.NewDirStore(t.TempDir()) |
| 132 | publishSeedsFloor(t, s, "v0.27.0") |
| 133 | if _, err := syncLocalSeedsFloor(context.Background(), s, dd); err != nil { |
| 134 | t.Fatal(err) |
| 135 | } |
| 136 | os.WriteFile(seedsPrevAllowedPath(opt), []byte("v0.27.0\n"), 0o644) |
| 137 | f = withSeedsFields(f, dd, opt) |
| 138 | if f.SeedsFloorMinRelease != "v0.27.0" || f.PrevSeedsAllowedFor != "v0.27.0" { |
| 139 | t.Fatalf("armed = %+v", f) |
| 140 | } |
| 141 | body, _ := json.Marshal(f) |
| 142 | if want := fmt.Sprintf(`"seeds_protocol":%d`, seeds.ProtocolVersion); !strings.Contains(string(body), want) { |
| 143 | t.Fatalf("seeds_protocol must be on the wire, even at 0: want %s in %s", want, body) |
| 144 | } |
| 145 | } |
| 146 | |
amadan