| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "os" |
| 6 | "testing" |
| 7 | |
| 8 | "github.com/carlosframework/platform/internal/activator" |
| 9 | "github.com/carlosframework/platform/internal/provision" |
| 10 | "github.com/carlosframework/platform/internal/registry" |
| 11 | "github.com/carlosframework/platform/internal/release" |
| 12 | ) |
| 13 | |
| 14 | func e7RecoveryOptions(f *r2Live) []release.PassOption { |
| 15 | n := namedUnitRecovery{source: f.source, pub: f.pub, readLive: os.Readlink} |
| 16 | return []release.PassOption{release.WithRecovery(func(ctx context.Context, rt registry.Route) (bool, error) { |
| 17 | return n.recover(ctx, rt.Host, f.c, func(string) string { return "5s" }, f.e.root.reg) |
| 18 | }, f.c.allowLegacy)} |
| 19 | } |
| 20 | |
| 21 | func TestR2UnguardedERecoveryUpdate(t *testing.T) { |
| 22 | if !plan14RootFixture(t) { |
| 23 | return |
| 24 | } |
| 25 | for _, shape := range []string{"no record", "unavailable history", "empty unit", "socket unit", "list failure", "ordinary", "derived", "exec"} { |
| 26 | t.Run(shape, func(t *testing.T) { |
| 27 | f := r2Fixture(t, "none") |
| 28 | var failed *r2ListFailure |
| 29 | switch shape { |
| 30 | case "empty unit", "socket unit": |
| 31 | unit := "" |
| 32 | if shape == "socket unit" { |
| 33 | unit = "custom.service" |
| 34 | } |
| 35 | plan14PutRecord(t, f.e.store, provision.Record{Schema: 1, Host: f.rt.Host, Account: "bab", App: f.rt.App, Channel: f.rt.Channel, Unit: unit}) |
| 36 | case "list failure": |
| 37 | failed = &r2ListFailure{Store: f.e.store} |
| 38 | f.source.store = failed |
| 39 | case "ordinary", "derived", "exec": |
| 40 | f.rt.Unit = "" |
| 41 | f.rt.Backing = registry.BackingUnit |
| 42 | if shape == "derived" { |
| 43 | f.rt.Unit = activator.UnitName(f.rt.Host) |
| 44 | } |
| 45 | if shape == "exec" { |
| 46 | f.rt.Backing = "exec" |
| 47 | } |
| 48 | if err := f.e.root.reg.Delete(f.rt.Host); err != nil { |
| 49 | t.Fatal(err) |
| 50 | } |
| 51 | if err := f.e.root.reg.Upsert(f.rt); err != nil { |
| 52 | t.Fatal(err) |
| 53 | } |
| 54 | failed = &r2ListFailure{Store: f.e.store} |
| 55 | f.source.store = failed |
| 56 | } |
| 57 | opts := e7RecoveryOptions(f) |
| 58 | if shape == "unavailable history" { |
| 59 | opts = append(opts, release.WithRootHistory(nil)) |
| 60 | } |
| 61 | if err := f.pass(t, opts...); err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | f.wantLive(t, "v2") |
| 65 | f.wantRunning(t, "v2") |
| 66 | if failed != nil && shape != "list failure" && failed.lists != 0 { |
| 67 | t.Fatalf("ordinary recovery made %d store calls", failed.lists) |
| 68 | } |
| 69 | }) |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | func TestR2UnguardedERecoveryIncidentRecipe(t *testing.T) { |
| 74 | if !plan14RootFixture(t) { |
| 75 | return |
| 76 | } |
| 77 | for _, before := range []bool{false, true} { |
| 78 | t.Run(map[bool]string{false: "reset after", true: "reset before"}[before], func(t *testing.T) { |
| 79 | f := r2Fixture(t, "none") |
| 80 | if err := release.StageArtifact(f.u.opt, "", "v2", f.rt.App, []byte("new build")); err != nil { |
| 81 | t.Fatal(err) |
| 82 | } |
| 83 | if err := release.PointLive(f.u.opt, f.rt.Host, "", "v2", f.rt.App); err != nil { |
| 84 | t.Fatal(err) |
| 85 | } |
| 86 | if err := f.e.root.reg.SetVersions(f.rt.Host, "v2", "v1"); err != nil { |
| 87 | t.Fatal(err) |
| 88 | } |
| 89 | f.u.exe = release.VersionPath(f.u.opt, "", "v2", f.rt.App) |
| 90 | f.u.props.ActiveState, f.u.props.SubState, f.u.props.MainPID = "failed", "failed", 0 |
| 91 | if before { |
| 92 | if err := f.u.ResetFailed(f.rt.Unit); err != nil { |
| 93 | t.Fatal(err) |
| 94 | } |
| 95 | } |
| 96 | f.promote(t, "v1") |
| 97 | if err := f.pass(t, e7RecoveryOptions(f)...); err != nil { |
| 98 | t.Fatal(err) |
| 99 | } |
| 100 | f.wantLive(t, "v1") |
| 101 | if f.u.props.MainPID != 0 { |
| 102 | t.Fatal("recovery woke stopped console") |
| 103 | } |
| 104 | if !before { |
| 105 | if err := f.u.ResetFailed(f.rt.Unit); err != nil { |
| 106 | t.Fatal(err) |
| 107 | } |
| 108 | } |
| 109 | if err := f.u.Restart(f.rt.Unit); err != nil { |
| 110 | t.Fatal(err) |
| 111 | } |
| 112 | f.wantRunning(t, "v1") |
| 113 | }) |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | func TestR2ERecoveryKeepsCensusBoundary(t *testing.T) { |
| 118 | if !plan14RootFixture(t) { |
| 119 | return |
| 120 | } |
| 121 | for _, unreadable := range []bool{false, true} { |
| 122 | t.Run(map[bool]string{false: "required", true: "unreadable"}[unreadable], func(t *testing.T) { |
| 123 | f := r2Fixture(t, "none") |
| 124 | f.c.legacy = func() (bool, error) { |
| 125 | if unreadable { |
| 126 | return false, os.ErrPermission |
| 127 | } |
| 128 | return false, nil |
| 129 | } |
| 130 | opts := append(e7RecoveryOptions(f), release.WithRootHistory(nil)) |
| 131 | if err := f.pass(t, opts...); err == nil { |
| 132 | t.Fatal("strict census path selected legacy fallback") |
| 133 | } |
| 134 | f.wantLive(t, "v1") |
| 135 | if len(f.u.effects) != 0 || len(f.u.tries) != 0 { |
| 136 | t.Fatal("strict census path restarted", f.u.effects, f.u.tries) |
| 137 | } |
| 138 | }) |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | func TestR2ERecoveryFlagWithoutCensus(t *testing.T) { |
| 143 | if !plan14RootFixture(t) { |
| 144 | return |
| 145 | } |
| 146 | f := r2Fixture(t, "none") |
| 147 | t.Setenv("CARLOS_HOST_CLAIM", "1") |
| 148 | if legacy, err := legacyRootRestart(); err != nil || !legacy { |
| 149 | t.Fatalf("flag selected bound effects without a census: %v %v", legacy, err) |
| 150 | } |
| 151 | n := namedUnitRecovery{source: f.source, pub: f.pub, readLive: os.Readlink} |
| 152 | handled, err := n.recover(t.Context(), f.rt.Host, f.c, func(string) string { return "5s" }, f.e.root.reg) |
| 153 | if err != nil || handled { |
| 154 | t.Fatalf("E claimed no-census route: %v %v", handled, err) |
| 155 | } |
| 156 | } |
| 157 | |
amadan