| 1 | //go:build linux |
| 2 | |
| 3 | package host |
| 4 | |
| 5 | import ( |
| 6 | "errors" |
| 7 | "fmt" |
| 8 | "log" |
| 9 | "os" |
| 10 | "os/exec" |
| 11 | "path/filepath" |
| 12 | "strings" |
| 13 | "testing" |
| 14 | |
| 15 | "github.com/carlosframework/platform/internal/rootstate" |
| 16 | ) |
| 17 | |
| 18 | func TestRunAdoptDisabledClaimsArmsSystemUnitsBeforeRegistryOpenFailure(t *testing.T) { |
| 19 | if os.Getenv("CARLOS_TEST_ADOPT_ORDER_HELPER") == "1" { |
| 20 | os.Unsetenv("CARLOS_HOST_CLAIM") |
| 21 | probe := func(args ...string) (string, error) { |
| 22 | switch args[0] { |
| 23 | case "is-active": |
| 24 | return "inactive\n", errors.New("exit status 3") |
| 25 | case "is-enabled": |
| 26 | return "disabled\n", errors.New("exit status 1") |
| 27 | } |
| 28 | return "", nil |
| 29 | } |
| 30 | systemctl := func(args ...string) (string, error) { |
| 31 | f, err := os.OpenFile(os.Getenv("CARLOS_TEST_ADOPT_SYSTEMCTL_CALLS"), os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0o600) |
| 32 | if err != nil { |
| 33 | return "", err |
| 34 | } |
| 35 | defer f.Close() |
| 36 | _, err = fmt.Fprintln(f, strings.Join(args, " ")) |
| 37 | return "", err |
| 38 | } |
| 39 | ensure := func() { |
| 40 | ensureSystemUnits( |
| 41 | os.Getenv("CARLOS_TEST_ADOPT_ETC"), |
| 42 | os.Getenv("CARLOS_TEST_ADOPT_SYSTEM_LOCK"), |
| 43 | systemctl, |
| 44 | probe, |
| 45 | log.Printf, |
| 46 | ) |
| 47 | } |
| 48 | runAdoptWithEnsureSystemUnits([]string{"-registry", os.Getenv("CARLOS_TEST_ADOPT_REGISTRY")}, nil, ensure, |
| 49 | noCensusAdoptSource(func() (rootstate.Store, error) { return &plan14ReleaseStore{}, nil })) |
| 50 | return |
| 51 | } |
| 52 | |
| 53 | root := t.TempDir() |
| 54 | if err := os.MkdirAll(filepath.Join(root, "data"), 0o755); err != nil { |
| 55 | t.Fatal(err) |
| 56 | } |
| 57 | blocker := filepath.Join(root, "not-a-directory") |
| 58 | if err := os.WriteFile(blocker, []byte("block registry parent"), 0o600); err != nil { |
| 59 | t.Fatal(err) |
| 60 | } |
| 61 | registryPath := filepath.Join(blocker, "registry.db") |
| 62 | etc := filepath.Join(root, "etc") |
| 63 | callsPath := filepath.Join(root, "systemctl.calls") |
| 64 | cmd := exec.Command(os.Args[0], "-test.run=^TestRunAdoptDisabledClaimsArmsSystemUnitsBeforeRegistryOpenFailure$", "-test.v") |
| 65 | cmd.Dir = root |
| 66 | cmd.Env = isolatedAdoptOrderEnv(t, |
| 67 | "CARLOS_HOST_CLAIM=", |
| 68 | "CARLOS_DATA_DIR="+filepath.Join(root, "data"), |
| 69 | "CARLOS_OPT_DIR="+filepath.Join(root, "opt"), |
| 70 | "CARLOS_TEST_ADOPT_ORDER_HELPER=1", |
| 71 | "CARLOS_TEST_ADOPT_REGISTRY="+registryPath, |
| 72 | "CARLOS_TEST_ADOPT_ETC="+etc, |
| 73 | "CARLOS_TEST_ADOPT_SYSTEM_LOCK="+filepath.Join(root, "system.lock"), |
| 74 | "CARLOS_TEST_ADOPT_SYSTEMCTL_CALLS="+callsPath, |
| 75 | ) |
| 76 | out, err := cmd.CombinedOutput() |
| 77 | if err == nil { |
| 78 | t.Fatalf("helper succeeded; want fatal registry-open failure:\n%s", out) |
| 79 | } |
| 80 | got := string(out) |
| 81 | unitErr := "adopt: self-update units installed and armed" |
| 82 | registryErr := "adopt: open registry " + registryPath + ":" |
| 83 | unitAt, registryAt := strings.Index(got, unitErr), strings.Index(got, registryErr) |
| 84 | if unitAt < 0 { |
| 85 | t.Fatalf("unit arming was not reported before exit:\n%s", got) |
| 86 | } |
| 87 | if registryAt < 0 { |
| 88 | t.Fatalf("registry error does not match the adopt error contract:\n%s", got) |
| 89 | } |
| 90 | if unitAt > registryAt { |
| 91 | t.Fatalf("registry failed before unit repair ran:\n%s", got) |
| 92 | } |
| 93 | for _, unit := range systemUnitFiles { |
| 94 | if _, err := os.Stat(filepath.Join(etc, "systemd", "system", unit)); err != nil { |
| 95 | t.Errorf("unit repair did not install %s before registry failure: %v", unit, err) |
| 96 | } |
| 97 | } |
| 98 | calls, err := os.ReadFile(callsPath) |
| 99 | if err != nil { |
| 100 | t.Fatalf("read systemctl calls: %v", err) |
| 101 | } |
| 102 | called := string(calls) |
| 103 | for _, want := range []string{ |
| 104 | "daemon-reload", |
| 105 | "enable carlos-system-update.path carlos-system-recover.service carlos-instance-control.socket", |
| 106 | "start carlos-system-update.path carlos-instance-control.socket", |
| 107 | } { |
| 108 | if !strings.Contains(called, want) { |
| 109 | t.Errorf("systemctl calls lack %q:\n%s", want, called) |
| 110 | } |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | func isolatedAdoptOrderEnv(t *testing.T, extra ...string) []string { |
| 115 | t.Helper() |
| 116 | home := t.TempDir() |
| 117 | drop := map[string]bool{ |
| 118 | "CARLOS_SERVICE_TOKEN": true, |
| 119 | "CARLOS_CREDENTIALS": true, |
| 120 | "CARLOS_CONSOLE": true, |
| 121 | "CARLOS_DESTINATION": true, |
| 122 | "HOME": true, |
| 123 | } |
| 124 | for _, kv := range extra { |
| 125 | if key, _, ok := strings.Cut(kv, "="); ok { |
| 126 | drop[key] = true |
| 127 | } |
| 128 | } |
| 129 | var env []string |
| 130 | for _, kv := range os.Environ() { |
| 131 | key, _, _ := strings.Cut(kv, "=") |
| 132 | if !drop[key] { |
| 133 | env = append(env, kv) |
| 134 | } |
| 135 | } |
| 136 | env = append(env, |
| 137 | "CARLOS_CREDENTIALS="+filepath.Join(home, "credentials"), |
| 138 | "CARLOS_CONSOLE=", |
| 139 | "CARLOS_DESTINATION=", |
| 140 | "HOME="+home, |
| 141 | ) |
| 142 | return append(env, extra...) |
| 143 | } |
| 144 | |