| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "github.com/carlosframework/platform/internal/hostguard" |
| 6 | "testing" |
| 7 | ) |
| 8 | |
| 9 | func TestClaimStopProducerFenceJoinsAndDenies(t *testing.T) { |
| 10 | _, req, _ := claimStopFixture(t) |
| 11 | target := hostguard.FenceTarget{Host: req.Host, Incarnation: req.Incarnation, Stamp: req.InstallationStamp, Session: req.WriterSession, Box: req.Box, Enrollment: req.Enrollment, BootID: req.BootID, ControllerID: req.ControllerID} |
| 12 | recorded := 0 |
| 13 | p, err := NewClaimProducers(target, "start-42", func(context.Context, hostguard.FenceTarget, string) error { recorded++; return nil }) |
| 14 | if err != nil { |
| 15 | t.Fatal(err) |
| 16 | } |
| 17 | child, finish, err := p.Register(t.Context(), target, "replication") |
| 18 | if err != nil { |
| 19 | t.Fatal(err) |
| 20 | } |
| 21 | done := make(chan struct{}) |
| 22 | go func() { defer close(done); <-child.Done(); finish(nil) }() |
| 23 | ack, err := p.DrainClaim(t.Context(), req, "fence") |
| 24 | if err != nil { |
| 25 | t.Fatal(err) |
| 26 | } |
| 27 | <-done |
| 28 | if len(ack.ProducerIDs) != 1 || ack.ProducerIDs[0] != "replication" || recorded != 1 { |
| 29 | t.Fatalf("ack=%+v records=%d", ack, recorded) |
| 30 | } |
| 31 | if _, _, err := p.Register(t.Context(), target, "late"); err == nil { |
| 32 | t.Fatal("producer admitted after fence") |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | type exactFixtureInventory struct{ StopInventoryReader } |
| 37 | |
| 38 | func (r exactFixtureInventory) ReadExactStopInventory(ctx context.Context, target hostguard.FenceTarget) (StopInventory, error) { |
| 39 | return r.ReadStopInventory(ctx, target.Host) |
| 40 | } |
| 41 | func TestClaimStopCleanupUsesDurableFenceDuringOutage(t *testing.T) { |
| 42 | c, req, store := claimStopFixture(t) |
| 43 | drainer := c.Drainer |
| 44 | c.Drainer = stopDrainFunc(func(context.Context, StopRequest, string) (DrainAcknowledgement, error) { |
| 45 | return DrainAcknowledgement{}, ErrClaimStopUnavailable |
| 46 | }) |
| 47 | if _, err := c.FenceAndStop(t.Context(), req); err == nil { |
| 48 | t.Fatal("initial drain should fail") |
| 49 | } |
| 50 | c.Drainer = drainer |
| 51 | c.Inventory = exactFixtureInventory{c.Inventory} |
| 52 | c.Claims = stopClaimReader{} |
| 53 | store.err = ErrClaimStopUnavailable |
| 54 | req.Cleanup = true |
| 55 | result, err := c.FenceAndStop(t.Context(), req) |
| 56 | if err != nil { |
| 57 | t.Fatal(err) |
| 58 | } |
| 59 | if len(result.Bytes) == 0 { |
| 60 | t.Fatal("missing local receipt") |
| 61 | } |
| 62 | if store.err == nil { |
| 63 | t.Fatal("cleanup attempted remote publication") |
| 64 | } |
| 65 | req.WriterSession++ |
| 66 | if _, err := c.FenceAndStop(t.Context(), req); err == nil { |
| 67 | t.Fatal("cleanup widened session") |
| 68 | } |
| 69 | } |
| 70 | |
amadan