| 1 | package hostops |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "errors" |
| 7 | "testing" |
| 8 | "time" |
| 9 | |
| 10 | "github.com/carlosframework/platform/internal/hostclaim" |
| 11 | "github.com/carlosframework/platform/internal/provision" |
| 12 | "github.com/carlosframework/platform/internal/release" |
| 13 | ) |
| 14 | |
| 15 | func TestJ17ReviewSidecarCannotBecomeInstanceRecord(t *testing.T) { |
| 16 | ctx := t.Context() |
| 17 | w := newJ17World(t, nil) |
| 18 | c := w.claim(t).Claim |
| 19 | host := provision.SidecarHost("worker", "app", "bab") |
| 20 | key := provision.SidecarRecordKey("bab", "app", "worker") |
| 21 | inc, err := hostclaim.Incarnation("bab", "app", host, w.now) |
| 22 | if err != nil { |
| 23 | t.Fatal(err) |
| 24 | } |
| 25 | c.Host = host |
| 26 | c.Holder.Family = "sidecar" |
| 27 | c.Holder.Name = "worker" |
| 28 | c.Holder.Key = key |
| 29 | c.Holder.Incarnation = inc |
| 30 | c.Holder.Location = "instances/" + host |
| 31 | if err := c.Validate(); err != nil { |
| 32 | t.Fatal(err) |
| 33 | } |
| 34 | body, _ := json.Marshal(c) |
| 35 | ck, _ := hostclaim.Key(host) |
| 36 | ctag, err := w.raw.Put(ctx, ck, body, "") |
| 37 | if err != nil { |
| 38 | t.Fatal(err) |
| 39 | } |
| 40 | rec, _ := j17Record(t, w) |
| 41 | rec.Host = host |
| 42 | rec.Move.Incarnation = inc |
| 43 | body, _ = json.Marshal(rec) |
| 44 | var fields map[string]any |
| 45 | if err := json.Unmarshal(body, &fields); err != nil { |
| 46 | t.Fatal(err) |
| 47 | } |
| 48 | fields["name"] = "worker" |
| 49 | body, _ = json.Marshal(fields) |
| 50 | tag, err := w.raw.Put(ctx, key, body, "") |
| 51 | if err != nil { |
| 52 | t.Fatal(err) |
| 53 | } |
| 54 | a, err := ReadAdmission(ctx, w.raw, "bab", "app", "canonical") |
| 55 | if err != nil { |
| 56 | t.Fatal(err) |
| 57 | } |
| 58 | reg := a.Value.Registrations["move"] |
| 59 | reg.Host, reg.Incarnation = host, inc |
| 60 | a.Value.Registrations["move"] = reg |
| 61 | ab, _ := json.Marshal(a.Value) |
| 62 | if _, err := w.raw.Put(ctx, a.Key, ab, a.ETag); err != nil { |
| 63 | t.Fatal(err) |
| 64 | } |
| 65 | if _, err := ObserveConsoleMove(ctx, w.raw, "bab", "app", host); !errors.Is(err, ErrIdentity) { |
| 66 | t.Fatalf("sidecar observation: %v", err) |
| 67 | } |
| 68 | o := ConsoleMoveObservation{Account: "bab", App: "app", AppID: "canonical", Host: host, Incarnation: inc, OpID: "move", ClaimETag: ctag, RecordETag: tag} |
| 69 | if _, err := w.control.ConsoleMove(ctx, o, ConsoleMoveAbort); !errors.Is(err, ErrIdentity) { |
| 70 | t.Fatalf("sidecar action: %v", err) |
| 71 | } |
| 72 | after, afterTag, err := w.raw.Get(ctx, key) |
| 73 | if err != nil || afterTag != tag || string(after) != string(body) { |
| 74 | t.Fatal("sidecar record rewritten", err) |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | type j17ClaimReadHook struct { |
| 79 | release.Store |
| 80 | key string |
| 81 | reads int |
| 82 | beforeSecond func() |
| 83 | } |
| 84 | |
| 85 | func (s *j17ClaimReadHook) Get(ctx context.Context, key string) ([]byte, string, error) { |
| 86 | if key == s.key { |
| 87 | s.reads++ |
| 88 | if s.reads == 2 { |
| 89 | s.beforeSecond() |
| 90 | } |
| 91 | } |
| 92 | return s.Store.Get(ctx, key) |
| 93 | } |
| 94 | func TestJ17ReviewClaimCheckedAtTheFinalWrite(t *testing.T) { |
| 95 | ctx := t.Context() |
| 96 | w := newJ17World(t, nil) |
| 97 | o := j17Observe(t, w) |
| 98 | key, _ := hostclaim.Key(w.host) |
| 99 | hook := &j17ClaimReadHook{Store: w.raw, key: key, beforeSecond: func() { |
| 100 | if _, err := hostclaim.Update(ctx, w.raw, w.claim(t), func(*hostclaim.Claim) error { return nil }); err != nil { |
| 101 | t.Fatal(err) |
| 102 | } |
| 103 | }} |
| 104 | cw, err := NewControlWriter(hook, w.pub, func() time.Time { return w.clock }) |
| 105 | if err != nil { |
| 106 | t.Fatal(err) |
| 107 | } |
| 108 | _, tag := j17Record(t, w) |
| 109 | if _, err := cw.ConsoleMove(ctx, o, ConsoleMoveAbort); !errors.Is(err, hostclaim.ErrConflict) { |
| 110 | t.Fatal(err) |
| 111 | } |
| 112 | if _, after := j17Record(t, w); after != tag { |
| 113 | t.Fatal("stale claim wrote the record") |
| 114 | } |
| 115 | } |
| 116 | |
amadan