| 1 | //go:build linux && rootrunner |
| 2 | |
| 3 | package host |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "encoding/json" |
| 8 | "io" |
| 9 | "net" |
| 10 | "os" |
| 11 | "path/filepath" |
| 12 | "strings" |
| 13 | "testing" |
| 14 | "time" |
| 15 | |
| 16 | "github.com/carlosframework/platform/internal/activator" |
| 17 | "github.com/carlosframework/platform/internal/hostclaim" |
| 18 | "github.com/carlosframework/platform/internal/hostfiles" |
| 19 | "github.com/carlosframework/platform/internal/registry" |
| 20 | ) |
| 21 | |
| 22 | func TestRootFilesSeedSocketDisconnectExecutor(t *testing.T) { |
| 23 | runRootFilesSeedRealOriginPreparation(t, true) |
| 24 | } |
| 25 | func TestRootFilesSeedSocketShutdownExecutor(t *testing.T) { |
| 26 | runRootFilesSeedRealOriginPreparation(t, true) |
| 27 | } |
| 28 | func TestRootFilesSeedSocketCompleteExecutor(t *testing.T) { |
| 29 | runRootFilesSeedRealOriginPreparation(t, true) |
| 30 | } |
| 31 | |
| 32 | func rootFilesSeedLifetime(t *testing.T, p *servingPreparation, e *filesSeedExecutor) { |
| 33 | blocked := !strings.Contains(t.Name(), "Complete") |
| 34 | entered := make(chan struct{}) |
| 35 | factory := e.assembly.Wake.seedFactory |
| 36 | e.assembly.Wake.seedFactory = func(ctx context.Context, op *filesSeedOperation, token *activator.SeedExclusion) (*activator.ClaimRuntime, *ClaimWakeAssembly, error) { |
| 37 | runtime, wake, err := factory(ctx, op, token) |
| 38 | if err != nil { |
| 39 | return runtime, wake, err |
| 40 | } |
| 41 | prepare := runtime.Prepare |
| 42 | runtime.Prepare = func(ctx context.Context, rt registry.Route, o hostclaim.Observed, policy activator.StartPolicy) (activator.ClaimStart, error) { |
| 43 | start, err := prepare(ctx, rt, o, policy) |
| 44 | if err == nil && blocked { |
| 45 | start.Materialize = func(ctx context.Context) error { close(entered); <-ctx.Done(); return ctx.Err() } |
| 46 | } |
| 47 | return start, err |
| 48 | } |
| 49 | return runtime, wake, nil |
| 50 | } |
| 51 | ready := make(chan struct{}) |
| 52 | close(ready) |
| 53 | path := filepath.Join(t.TempDir(), "seed.sock") |
| 54 | if err := os.Chmod(filepath.Dir(path), 0700); err != nil { |
| 55 | t.Fatal(err) |
| 56 | } |
| 57 | // Peer and delegated service authentication have their own installed witness. |
| 58 | // Here the real executor is attached to the production connection lifetime. |
| 59 | open := func() *filesSeedServer { |
| 60 | s, err := startFilesSeedSocket(t.Context(), ready, path, func(context.Context, *net.UnixConn) error { return nil }, e.run) |
| 61 | if err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | s.finalize = e.close |
| 65 | return s |
| 66 | } |
| 67 | s := open() |
| 68 | shutdown := func() { |
| 69 | ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) |
| 70 | defer cancel() |
| 71 | if err := s.close(ctx); err != nil { |
| 72 | t.Fatal("seed server did not join executor", err) |
| 73 | } |
| 74 | } |
| 75 | defer func() { |
| 76 | ctx, cancel := context.WithTimeout(context.Background(), time.Second) |
| 77 | defer cancel() |
| 78 | s.close(ctx) |
| 79 | }() |
| 80 | request := func() net.Conn { |
| 81 | c, err := net.DialTimeout("unix", path, time.Second) |
| 82 | if err != nil { |
| 83 | t.Fatal(err) |
| 84 | } |
| 85 | c.SetDeadline(time.Now().Add(10 * time.Second)) |
| 86 | if err := json.NewEncoder(c).Encode(filesSeedRequest{Verb: "seed", Host: recoveryHost}); err != nil { |
| 87 | t.Fatal(err) |
| 88 | } |
| 89 | return c |
| 90 | } |
| 91 | c := request() |
| 92 | defer c.Close() |
| 93 | if blocked { |
| 94 | select { |
| 95 | case <-entered: |
| 96 | case <-time.After(10 * time.Second): |
| 97 | t.Fatal("seed did not reach precommit") |
| 98 | } |
| 99 | if err := e.run(t.Context(), recoveryHost, io.Discard); err != activator.ErrFenceHeld { |
| 100 | t.Fatal("second executor escaped exclusion", err) |
| 101 | } |
| 102 | if strings.Contains(t.Name(), "Disconnect") { |
| 103 | c.Close() |
| 104 | deadline := time.Now().Add(5 * time.Second) |
| 105 | for { |
| 106 | e.mu.Lock() |
| 107 | running := e.running |
| 108 | e.mu.Unlock() |
| 109 | if !running { |
| 110 | break |
| 111 | } |
| 112 | if time.Now().After(deadline) { |
| 113 | t.Fatal("executor survived client disconnect") |
| 114 | } |
| 115 | time.Sleep(10 * time.Millisecond) |
| 116 | } |
| 117 | } |
| 118 | shutdown() |
| 119 | e.mu.Lock() |
| 120 | retained, running := len(e.pending), e.running |
| 121 | e.mu.Unlock() |
| 122 | if retained != 0 || running { |
| 123 | t.Fatal("executor outlived server", retained, running) |
| 124 | } |
| 125 | o := p.f.f.read() |
| 126 | if o.Claim.Holder.WakeRetry == nil || o.Claim.Holder.WakeRetry.State != "open" || o.Claim.Holder.WakeRetry.AttemptsReserved != 1 { |
| 127 | t.Fatal("cancellation lost settlement", o) |
| 128 | } |
| 129 | files, err := e.source.Open(t.Context(), e.assembly.Claims, e.assembly.Data, p.f.actor) |
| 130 | if err != nil { |
| 131 | t.Fatal(err) |
| 132 | } |
| 133 | if _, found, err := hostfiles.Load(t.Context(), files.(*movesFiles).Files, movesFilesPrefix(o.Claim.Holder.Location, o.Claim.Holder.Generation)); err != nil || found { |
| 134 | t.Fatal("canceled seed committed", found, err) |
| 135 | } |
| 136 | blocked = false |
| 137 | p.f.f.now = p.f.f.now.Add(time.Minute) |
| 138 | s = open() |
| 139 | c = request() |
| 140 | defer c.Close() |
| 141 | } |
| 142 | decoder := json.NewDecoder(c) |
| 143 | var text strings.Builder |
| 144 | for { |
| 145 | var reply filesSeedReply |
| 146 | if err := decoder.Decode(&reply); err != nil { |
| 147 | t.Fatal("seed reply", err, text.String()) |
| 148 | } |
| 149 | text.WriteString(reply.Text) |
| 150 | if reply.Code != nil { |
| 151 | if *reply.Code != 0 { |
| 152 | t.Fatal("seed failed", *reply.Code, text.String()) |
| 153 | } |
| 154 | break |
| 155 | } |
| 156 | } |
| 157 | shutdown() |
| 158 | o := p.f.f.read() |
| 159 | files, err := e.source.Open(t.Context(), e.assembly.Claims, e.assembly.Data, p.f.actor) |
| 160 | if err != nil { |
| 161 | t.Fatal(err) |
| 162 | } |
| 163 | manifest, found, err := hostfiles.Load(t.Context(), files.(*movesFiles).Files, movesFilesPrefix(o.Claim.Holder.Location, o.Claim.Holder.Generation)) |
| 164 | if err != nil || !found || manifest.Entries["payload"].SHA256 == "" { |
| 165 | t.Fatal("seed did not publish", found, err) |
| 166 | } |
| 167 | if !strings.Contains(text.String(), "seeded.") { |
| 168 | t.Fatal(text.String()) |
| 169 | } |
| 170 | if _, err := os.Lstat(path); !os.IsNotExist(err) { |
| 171 | t.Fatal("socket outlived server", err) |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | func TestFilesSeedExecutorLifetime(t *testing.T) { |
| 176 | // The runner's /tmp is a small tmpfs. Keep the real start-floor check, |
| 177 | // and place this direct fixture on its disk, as the installed /data tests do. |
| 178 | if os.Geteuid() == 0 { |
| 179 | t.Setenv("TMPDIR", "/var/tmp") |
| 180 | } |
| 181 | for _, mode := range []string{"Complete", "Disconnect", "Shutdown"} { |
| 182 | t.Run(mode, func(t *testing.T) { |
| 183 | runFilesSeedPreparationWithLive(t, "real-seed", "same-controller", nil, []filesSeedLiveWitness{{seed: rootFilesSeedLifetime}}) |
| 184 | }) |
| 185 | } |
| 186 | } |
| 187 | |
amadan