| 1 | //go:build linux |
| 2 | |
| 3 | package hostexec |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "errors" |
| 8 | "sync/atomic" |
| 9 | "testing" |
| 10 | "time" |
| 11 | ) |
| 12 | |
| 13 | func TestPlan14ExecutionClientHasOneRenewalOwner(t *testing.T) { |
| 14 | b, _, remote, clock, q, peer := brokerFixture(t) |
| 15 | var calls, cleanup atomic.Int32 |
| 16 | c, err := OpenRootClient(t.Context(), RootClientConfig{ |
| 17 | Binding: Binding{Host: q.Host, Incarnation: q.Incarnation, Op: q.Op, Box: "box", Enrollment: "en", BootID: peer.KernelBootID}, Clock: clock, |
| 18 | Observe: func(context.Context) (ExecutionRequest, error) { return q, nil }, |
| 19 | Call: func(ctx context.Context, q ExecutionRequest) (ExecutionResponse, error) { |
| 20 | calls.Add(1) |
| 21 | return b.Execute(ctx, peer, q) |
| 22 | }, |
| 23 | CloseAdmission: func() {}, Cleanup: func(context.Context) error { cleanup.Add(1); return nil }, |
| 24 | }) |
| 25 | if err != nil { |
| 26 | t.Fatal(err) |
| 27 | } |
| 28 | t.Cleanup(func() { _ = c.Close(context.Background()) }) |
| 29 | s, err := c.Ready(t.Context()) |
| 30 | if err != nil || s.ControllerID == "" || s.LeaseETag == "" { |
| 31 | t.Fatalf("ready %+v %v", s, err) |
| 32 | } |
| 33 | if err = c.Refresh(t.Context()); err != nil { |
| 34 | t.Fatal(err) |
| 35 | } |
| 36 | if remote.calls != 1 { |
| 37 | t.Fatalf("view renewed: %d writes", remote.calls) |
| 38 | } |
| 39 | clock.advance(20 * time.Second) |
| 40 | if err = c.Refresh(t.Context()); err != nil { |
| 41 | t.Fatal(err) |
| 42 | } |
| 43 | if remote.calls != 2 || calls.Load() < 3 { |
| 44 | t.Fatalf("owners: writes=%d calls=%d", remote.calls, calls.Load()) |
| 45 | } |
| 46 | clock.advance(TTL) |
| 47 | if _, err = c.Ready(t.Context()); err == nil { |
| 48 | t.Fatal("client admitted expired root response") |
| 49 | } |
| 50 | if err = c.Close(t.Context()); err != nil { |
| 51 | t.Fatal(err) |
| 52 | } |
| 53 | if cleanup.Load() != 1 { |
| 54 | t.Fatalf("cleanup=%d", cleanup.Load()) |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | func TestPlan14ExecutionClientLostBeginResponseSettles(t *testing.T) { |
| 59 | b, _, remote, clock, q, peer := brokerFixture(t) |
| 60 | var begin ExecutionRequest |
| 61 | var lost bool |
| 62 | c, err := OpenRootClient(t.Context(), RootClientConfig{ |
| 63 | Binding: Binding{Host: q.Host, Incarnation: q.Incarnation, Op: q.Op, Box: "box", Enrollment: "en", BootID: peer.KernelBootID}, Clock: clock, |
| 64 | Observe: func(context.Context) (ExecutionRequest, error) { return q, nil }, |
| 65 | Call: func(ctx context.Context, request ExecutionRequest) (ExecutionResponse, error) { |
| 66 | if request.Operation == "executionBegin" { |
| 67 | if begin.ID != "" && begin != request { |
| 68 | t.Error("begin replay changed identity") |
| 69 | } |
| 70 | begin = request |
| 71 | if _, err := b.Execute(ctx, peer, request); err != nil { |
| 72 | return ExecutionResponse{}, err |
| 73 | } |
| 74 | if !lost { |
| 75 | lost = true |
| 76 | return ExecutionResponse{}, context.DeadlineExceeded |
| 77 | } |
| 78 | } |
| 79 | if request.Host != begin.Host || request.Incarnation != begin.Incarnation || request.Stamp != begin.Stamp || request.Session != begin.Session || request.Op != begin.Op { |
| 80 | t.Error("cleanup lost the captured begin tuple") |
| 81 | } |
| 82 | return b.Execute(ctx, peer, request) |
| 83 | }, CloseAdmission: func() {}, Cleanup: func(context.Context) error { return nil }, |
| 84 | }) |
| 85 | if !errors.Is(err, context.DeadlineExceeded) { |
| 86 | t.Fatal(err) |
| 87 | } |
| 88 | if err = c.Close(t.Context()); err != nil { |
| 89 | t.Fatal("lost begin cannot settle", err) |
| 90 | } |
| 91 | record, err := b.read(q.Host) |
| 92 | if err != nil || record.Status != "settled" || remote.calls != 1 { |
| 93 | t.Fatalf("record=%+v err=%v calls=%d", record, err, remote.calls) |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | func TestPlan14ExecutionClientLostTransitionResponseSettles(t *testing.T) { |
| 98 | b, _, remote, clock, q, peer := brokerFixture(t) |
| 99 | initial := q |
| 100 | original := b.cfg.Authority |
| 101 | b.cfg.Authority = func(ctx context.Context, got ExecutionRequest, peer ControllerProcess) (ExecutionAuthority, error) { |
| 102 | got.Session = initial.Session |
| 103 | return original(ctx, got, peer) |
| 104 | } |
| 105 | b.cfg.Transition = func(context.Context, ExecutionRecord, ExecutionRequest, ExecutionAuthority) error { return nil } |
| 106 | var uncertain ExecutionRequest |
| 107 | lost := false |
| 108 | c, err := OpenRootClient(t.Context(), RootClientConfig{ |
| 109 | Binding: Binding{Host: q.Host, Incarnation: q.Incarnation, Op: q.Op, Box: "box", Enrollment: "en", BootID: peer.KernelBootID}, Clock: clock, |
| 110 | Observe: func(context.Context) (ExecutionRequest, error) { return q, nil }, |
| 111 | Call: func(ctx context.Context, request ExecutionRequest) (ExecutionResponse, error) { |
| 112 | out, err := b.Execute(ctx, peer, request) |
| 113 | if err == nil && request.Operation == "executionRenew" { |
| 114 | if uncertain.ID != "" && uncertain != request { |
| 115 | t.Error("transition replay changed request") |
| 116 | } |
| 117 | uncertain = request |
| 118 | if !lost { |
| 119 | lost = true |
| 120 | return ExecutionResponse{}, context.DeadlineExceeded |
| 121 | } |
| 122 | } |
| 123 | return out, err |
| 124 | }, CloseAdmission: func() {}, Cleanup: func(context.Context) error { return nil }, |
| 125 | }) |
| 126 | if err != nil { |
| 127 | t.Fatal(err) |
| 128 | } |
| 129 | q.Session++ |
| 130 | if err = c.Refresh(t.Context()); !errors.Is(err, context.DeadlineExceeded) { |
| 131 | t.Fatal(err) |
| 132 | } |
| 133 | if err = c.Close(t.Context()); err != nil { |
| 134 | t.Fatal("lost transition cannot settle", err) |
| 135 | } |
| 136 | r, err := b.read(q.Host) |
| 137 | if err != nil || r.Status != "settled" || r.Request.Session != q.Session || remote.calls != 2 { |
| 138 | t.Fatalf("transition recovery: %+v %v writes=%d", r, err, remote.calls) |
| 139 | } |
| 140 | } |
| 141 | |
amadan