| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "os" |
| 6 | "strings" |
| 7 | "testing" |
| 8 | |
| 9 | "github.com/carlosframework/platform/internal/instancectl" |
| 10 | "github.com/carlosframework/platform/internal/rootstate" |
| 11 | ) |
| 12 | |
| 13 | func TestPlan14UnitStartupIsolation(t *testing.T) { |
| 14 | b, in, shape := plan14UnitBindingFixture(t, "console.service", "", "") |
| 15 | shape.Program = strings.Repeat("a", 64) |
| 16 | b.canonical = func(context.Context, string) (claimUnitShape, error) { return shape, nil } |
| 17 | if _, err := b.establish(t.Context(), in.Host); err != nil { |
| 18 | t.Fatal(err) |
| 19 | } |
| 20 | d := claimUnitDispatch{bindings: b, shapes: func() (map[string]claimUnitShape, error) { return nil, os.ErrPermission }} |
| 21 | if unit, _, err := d.Placement("sibling.example"); err != nil || unit != instancectl.UnitName(instancectl.RoleRun, "sibling.example") { |
| 22 | t.Fatal("config corruption blocked ordinary cleanup", unit, err) |
| 23 | } |
| 24 | if _, err := d.forStart(t.Context(), in.Host); err == nil { |
| 25 | t.Fatal("corrupt config launched named unit") |
| 26 | } |
| 27 | if _, err := d.forStart(t.Context(), "sibling.example"); err == nil { |
| 28 | t.Fatal("corrupt config allowed an unverified ordinary launch") |
| 29 | } |
| 30 | d.shapes = func() (map[string]claimUnitShape, error) { return map[string]claimUnitShape{}, nil } |
| 31 | checked := false |
| 32 | d.effective = func(context.Context, claimUnitShape) error { checked = true; return nil } |
| 33 | if _, err := d.forStart(t.Context(), "sibling.example"); err != nil || !checked { |
| 34 | t.Fatal("verified ordinary launch refused", err, checked) |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | func TestPlan14ProductionUnitStartupIsolation(t *testing.T) { |
| 39 | for _, corrupt := range []bool{false, true} { |
| 40 | t.Run(map[bool]string{false: "bad-program", true: "corrupt-config"}[corrupt], func(t *testing.T) { |
| 41 | f, _, _ := generationLaunchFixture(t) |
| 42 | b, in, shape := plan14UnitBindingFixture(t, "console.service", "", "") |
| 43 | if _, err := b.establish(t.Context(), in.Host); err != nil { |
| 44 | t.Fatal(err) |
| 45 | } |
| 46 | oldOpen, oldMaterials, oldShapes := openClaimUnitBindings, openClaimUnitMaterializations, productionClaimUnitShapes |
| 47 | defer func() { |
| 48 | openClaimUnitBindings, openClaimUnitMaterializations, productionClaimUnitShapes = oldOpen, oldMaterials, oldShapes |
| 49 | }() |
| 50 | openClaimUnitBindings = func() (rootstate.Store, error) { return b.state, nil } |
| 51 | openClaimUnitMaterializations = func() (rootstate.Store, error) { return &rollbackDisk{dir: t.TempDir()}, nil } |
| 52 | productionClaimUnitShapes = func() (map[string]claimUnitShape, error) { |
| 53 | if corrupt { |
| 54 | return nil, os.ErrPermission |
| 55 | } |
| 56 | return map[string]claimUnitShape{in.Host: shape}, nil |
| 57 | } |
| 58 | base := instancectl.ClaimUnits{Systemctl: func(_ context.Context, args ...string) (string, error) { |
| 59 | if len(args) != 1 || args[0] != "daemon-reload" { |
| 60 | t.Fatal("startup touched a unit", args) |
| 61 | } |
| 62 | return "", nil |
| 63 | }} |
| 64 | f.root.Units = base |
| 65 | wrapped := ClaimRootWithLaunch{Launch: f.root} |
| 66 | wrapped.Root.Stop.Coordinator.Kernel = claimUnitStopKernel{Units: base} |
| 67 | a := &ClaimAssembly{} |
| 68 | if err := bindProductionClaimUnits(t.Context(), &wrapped, a); err != nil { |
| 69 | t.Fatal("one unit killed root startup", err) |
| 70 | } |
| 71 | defer a.Close(t.Context()) |
| 72 | for _, units := range []ClaimLaunchUnits{wrapped.Launch.Units, wrapped.Root.Stop.Coordinator.Kernel.(claimUnitStopKernel).Units} { |
| 73 | p := units.(interface { |
| 74 | Placement(string) (string, string, error) |
| 75 | }) |
| 76 | if unit, _, err := p.Placement("ordinary.example"); err != nil || unit != instancectl.UnitName(instancectl.RoleRun, "ordinary.example") { |
| 77 | t.Fatal("ordinary host blocked", unit, err) |
| 78 | } |
| 79 | if unit, _, err := p.Placement(in.Host); err != nil || unit != shape.Unit { |
| 80 | t.Fatal("retained cleanup placement lost", unit, err) |
| 81 | } |
| 82 | } |
| 83 | }) |
| 84 | } |
| 85 | } |
| 86 | |
amadan