| 1 | package instancectl |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "strings" |
| 9 | "testing" |
| 10 | ) |
| 11 | |
| 12 | func TestPlan14BoundUnitPlacement(t *testing.T) { |
| 13 | for _, name := range []string{"console.service", "woodstar-atbridge.service", "carlos-app@shop.example.service"} { |
| 14 | t.Run(name, func(t *testing.T) { |
| 15 | u, ctl, in, _ := claimUnitFixture(t) |
| 16 | u.BoundHost, u.BoundUnit = in.Host, name |
| 17 | ctl.group = "/" + BoundClaimUnitControlGroup(in.Host, name) |
| 18 | ctl.events = filepath.Join(u.CgroupRoot, strings.TrimPrefix(ctl.group, "/")) |
| 19 | if err := os.MkdirAll(ctl.events, 0755); err != nil { |
| 20 | t.Fatal(err) |
| 21 | } |
| 22 | ctl.setPopulated(false) |
| 23 | // A bound unit must never be started by the unreserved entrypoint. |
| 24 | if _, err := u.Start(t.Context(), in); err == nil { |
| 25 | t.Fatal("unreserved named launch") |
| 26 | } |
| 27 | if strings.Contains(ctl.joined(), "start ") { |
| 28 | t.Fatal(ctl.joined()) |
| 29 | } |
| 30 | if err := u.Gone(t.Context(), in.Host, ""); err != nil { |
| 31 | t.Fatal(err) |
| 32 | } |
| 33 | ctl.state, ctl.invocation = "active", "replacement" |
| 34 | ctl.setPopulated(true) |
| 35 | if err := u.Gone(t.Context(), in.Host, "old"); !errors.Is(err, ErrClaimUnitBusy) { |
| 36 | t.Fatalf("replacement with populated tree accepted: %v", err) |
| 37 | } |
| 38 | ctl.state = "inactive" |
| 39 | if err := u.Gone(t.Context(), in.Host, "old"); !errors.Is(err, ErrClaimUnitBusy) { |
| 40 | t.Fatalf("descendants accepted: %v", err) |
| 41 | } |
| 42 | ctl.setPopulated(false) |
| 43 | if err := u.Gone(t.Context(), in.Host, "old"); err != nil { |
| 44 | t.Fatal(err) |
| 45 | } |
| 46 | before := ctl.joined() |
| 47 | if err := u.Stop(context.Background(), "sibling.example"); err == nil { |
| 48 | t.Fatal("binding crossed hosts") |
| 49 | } |
| 50 | if ctl.joined() != before { |
| 51 | t.Fatal("foreign host reached systemd") |
| 52 | } |
| 53 | }) |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | func TestPlan14BoundUnitNames(t *testing.T) { |
| 58 | for _, name := range []string{"../console.service", "console.service/child", "x\n.service", "x@.service", "x.socket", "--x.service", "carlos-instance-control.service"} { |
| 59 | u, ctl, in, _ := claimUnitFixture(t) |
| 60 | u.BoundHost, u.BoundUnit = in.Host, name |
| 61 | if err := u.Gone(t.Context(), in.Host, ""); err == nil { |
| 62 | t.Fatalf("accepted %q", name) |
| 63 | } |
| 64 | if ctl.joined() != "" { |
| 65 | t.Fatal("invalid binding reached systemd") |
| 66 | } |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | func TestPlan14BoundUnitExactStop(t *testing.T) { |
| 71 | u, ctl, in, _ := claimUnitFixture(t) |
| 72 | u.BoundHost, u.BoundUnit = in.Host, "console.service" |
| 73 | ctl.group = "/" + BoundClaimUnitControlGroup(in.Host, u.BoundUnit) |
| 74 | ctl.invocation, ctl.state = "replacement", "active" |
| 75 | if err := u.StopInvocation(t.Context(), in.Host, "old"); err == nil { |
| 76 | t.Fatal("stopped replacement") |
| 77 | } |
| 78 | if strings.Contains(ctl.joined(), "stop ") { |
| 79 | t.Fatal(ctl.joined()) |
| 80 | } |
| 81 | if err := u.StopInvocation(t.Context(), in.Host, ""); err == nil { |
| 82 | t.Fatal("stopped unknown invocation") |
| 83 | } |
| 84 | ctl.invocation = "old" |
| 85 | if err := u.StopInvocation(t.Context(), in.Host, "old"); err != nil { |
| 86 | t.Fatal(err) |
| 87 | } |
| 88 | if !strings.Contains(ctl.joined(), "stop console.service") { |
| 89 | t.Fatal(ctl.joined()) |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | func TestPlan14BoundStopReportsInvocationRace(t *testing.T) { |
| 94 | for _, changed := range []string{"invocation", "group"} { |
| 95 | t.Run(changed, func(t *testing.T) { |
| 96 | u, ctl, in, _ := claimUnitFixture(t) |
| 97 | u.BoundHost, u.BoundUnit = in.Host, "console.service" |
| 98 | ctl.group = "/" + BoundClaimUnitControlGroup(in.Host, u.BoundUnit) |
| 99 | ctl.invocation, ctl.state = "old", "active" |
| 100 | u.Systemctl = func(ctx context.Context, args ...string) (string, error) { |
| 101 | if args[0] == "stop" { |
| 102 | if changed == "invocation" { |
| 103 | ctl.invocation = "replacement" |
| 104 | } else { |
| 105 | ctl.group = "/sibling.slice/console.service" |
| 106 | } |
| 107 | } |
| 108 | return ctl.run(ctx, args...) |
| 109 | } |
| 110 | if err := u.StopInvocation(t.Context(), in.Host, "old"); !errors.Is(err, ErrClaimUnitBusy) { |
| 111 | t.Fatal("uncertain stop reported success", err) |
| 112 | } |
| 113 | }) |
| 114 | } |
| 115 | } |
| 116 | |
amadan