| 1 | //go:build linux |
| 2 | |
| 3 | package host |
| 4 | |
| 5 | import ( |
| 6 | "context" |
| 7 | "errors" |
| 8 | "path/filepath" |
| 9 | "testing" |
| 10 | |
| 11 | "github.com/carlosframework/platform/internal/activator" |
| 12 | "github.com/carlosframework/platform/internal/hostclaim" |
| 13 | ) |
| 14 | |
| 15 | func TestClaimRestoreOwnWriteMaterializes(t *testing.T) { |
| 16 | for _, foreign := range []string{"", "before-retag", "after-restore"} { |
| 17 | t.Run(foreign, func(t *testing.T) { |
| 18 | t.Setenv("CARLOS_HOST_CLAIM", "1") |
| 19 | t.Setenv("CARLOS_HOST_CLAIM_ORIGINS", "1") |
| 20 | d := plan9D4Landing(t) |
| 21 | c := d.controller("boot-1", "controller-1", 4101, "start-1", true) |
| 22 | proofs := 0 |
| 23 | d.f.materialize = func(ctx context.Context, o hostclaim.Observed) error { |
| 24 | h := o.Claim.Holder |
| 25 | tuple := hostclaim.OriginTuple{Incarnation: h.Incarnation, Location: h.Location, Region: "ie", Generation: h.Generation} |
| 26 | proven, err := hostclaim.AdmittedOrigins(ctx, d.f.claims, o, []hostclaim.OriginTuple{tuple}) |
| 27 | if err != nil { |
| 28 | return err |
| 29 | } |
| 30 | if !proven[tuple] { |
| 31 | t.Fatal("admission origin not proven") |
| 32 | } |
| 33 | proofs++ |
| 34 | return nil |
| 35 | } |
| 36 | materialize := func(o hostclaim.Observed, s activator.ClaimStart) error { |
| 37 | if err := s.Reserve(t.Context(), 0); err != nil { |
| 38 | return err |
| 39 | } |
| 40 | return s.Materialize(t.Context()) |
| 41 | } |
| 42 | first, err := d.start(t, c, plan9D4Probe, false, materialize) |
| 43 | if err != nil { |
| 44 | t.Fatal("first start", err) |
| 45 | } |
| 46 | writeForeign := func() { |
| 47 | d.step(t, "foreign inventory write", func(claim *hostclaim.Claim) error { |
| 48 | claim.Inventory["box-1"].Paths[recoveryHost+".env"] = claim.Holder.Stamp |
| 49 | return nil |
| 50 | }) |
| 51 | } |
| 52 | if foreign == "before-retag" { |
| 53 | retire := c.wake.RetireArtifacts |
| 54 | c.wake.RetireArtifacts = func(ctx context.Context, o hostclaim.Observed, in ClaimLaunchInputs, generation string) error { |
| 55 | writeForeign() |
| 56 | return retire(ctx, o, in, generation) |
| 57 | } |
| 58 | } |
| 59 | second, err := d.start(t, c, plan9D4Probe, true, func(o hostclaim.Observed, s activator.ClaimStart) error { |
| 60 | after := d.f.read() |
| 61 | if foreign != "before-retag" && after.Claim.Gen != o.Claim.Gen+1 { |
| 62 | t.Fatalf("Restore did not perform exactly its retag CAS: %d -> %d", o.Claim.Gen, after.Claim.Gen) |
| 63 | } |
| 64 | h := o.Claim.Holder |
| 65 | _, stale := hostclaim.AdmittedOrigins(t.Context(), d.f.claims, o, []hostclaim.OriginTuple{{Incarnation: h.Incarnation, Location: h.Location, Region: "ie", Generation: h.Generation}}) |
| 66 | if !errors.Is(stale, hostclaim.ErrConflict) { |
| 67 | t.Fatalf("Prepare's read was not stale after retirement: %v", stale) |
| 68 | } |
| 69 | if foreign == "after-restore" { |
| 70 | writeForeign() |
| 71 | } |
| 72 | return materialize(o, s) |
| 73 | }) |
| 74 | if foreign != "" { |
| 75 | if !errors.Is(err, hostclaim.ErrConflict) { |
| 76 | t.Fatalf("foreign claim write: %v", err) |
| 77 | } |
| 78 | if proofs != 1 { |
| 79 | t.Fatal("foreign writer reached C8", proofs) |
| 80 | } |
| 81 | return |
| 82 | } |
| 83 | if err != nil { |
| 84 | t.Fatal("retiring cold start", err) |
| 85 | } |
| 86 | d.requireRetired(t, first, second, false) |
| 87 | if proofs != 2 { |
| 88 | t.Fatal("both starts must prove C8 origins", proofs) |
| 89 | } |
| 90 | }) |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | func TestClaimRestoreWriteOnlyRetagsPair(t *testing.T) { |
| 95 | for _, foreign := range []string{"", "op", "holder", "session", "stamp", "admission", "other-path", "before-etag", "generation"} { |
| 96 | t.Run(foreign, func(t *testing.T) { |
| 97 | f := newRecoveryFixture(t) |
| 98 | c := f.controller("boot", "controller", 4101, "start") |
| 99 | before := c.admit(t, f) |
| 100 | current, err := servingWriterIdentity(before, "box-1", "ie") |
| 101 | if err != nil { |
| 102 | t.Fatal(err) |
| 103 | } |
| 104 | after, err := hostclaim.Update(t.Context(), f.claims, before, servingInventoryTransition(current, "state/data.db", 0)) |
| 105 | if err != nil { |
| 106 | t.Fatal(err) |
| 107 | } |
| 108 | r := &claimRestoreObservation{observed: before, box: "box-1", dataDir: f.guard.DataDir, db: filepath.Join(f.guard.DataDir, "state", "data.db")} |
| 109 | switch foreign { |
| 110 | case "op": |
| 111 | after.Claim.Op.Exec = "foreign" |
| 112 | case "holder": |
| 113 | after.Claim.Holder.App = "foreign" |
| 114 | case "session": |
| 115 | after.Claim.Holder.Session++ |
| 116 | case "stamp": |
| 117 | after.Claim.Holder.Stamp++ |
| 118 | case "admission": |
| 119 | after.Claim.Holder.Admissions[0].Generation = "foreign" |
| 120 | case "other-path": |
| 121 | after.Claim.Inventory["box-1"].Paths["foreign"] = current.Stamp |
| 122 | case "before-etag": |
| 123 | before.ETag = "foreign" |
| 124 | case "generation": |
| 125 | after.Claim.Gen++ |
| 126 | } |
| 127 | err = r.retag(before, after) |
| 128 | if (err == nil) != (foreign == "") { |
| 129 | t.Fatalf("foreign %q: %v", foreign, err) |
| 130 | } |
| 131 | }) |
| 132 | } |
| 133 | } |
| 134 | |
amadan