| 1 | //go:build linux && rootrunner |
| 2 | |
| 3 | package host |
| 4 | |
| 5 | import ( |
| 6 | "encoding/json" |
| 7 | "fmt" |
| 8 | "os" |
| 9 | "os/exec" |
| 10 | "path/filepath" |
| 11 | "strings" |
| 12 | "testing" |
| 13 | |
| 14 | "github.com/carlosframework/platform/internal/registry" |
| 15 | "github.com/carlosframework/platform/internal/rollout" |
| 16 | "github.com/carlosframework/platform/internal/rootparticipation" |
| 17 | "github.com/carlosframework/platform/internal/rootstate" |
| 18 | ) |
| 19 | |
| 20 | func TestPlan14RootRetryHardenedController(t *testing.T) { |
| 21 | if os.Getenv("PLAN14_RETRY_HARDENED") == "1" { |
| 22 | s, err := rootstate.Open(rollout.RootFailuresDir, false, false) |
| 23 | if err != nil { |
| 24 | t.Fatal(err) |
| 25 | } |
| 26 | defer s.Close() |
| 27 | b, err := rollout.OpenRootFailures(s, "box/en/1") |
| 28 | if err != nil { |
| 29 | t.Fatal(err) |
| 30 | } |
| 31 | p := rootUpdateSource{book: b, publish: publishRootRetry} |
| 32 | if err := p.publishRetry(rootUpdateRecord{Route: registry.Route{Host: "h.example.com", Account: "bab", App: "km"}}, "v1"); err != nil { |
| 33 | t.Fatal(err) |
| 34 | } |
| 35 | return |
| 36 | } |
| 37 | if os.Geteuid() != 0 { |
| 38 | t.Fatal("root required") |
| 39 | } |
| 40 | for _, path := range []string{"/var/lib/carlos-claims", "/var/lib/carlos-release", rootRetryProjection, "/run/carlos-control", "/run/carlos"} { |
| 41 | if err := os.Mkdir(path, 0755); err != nil { |
| 42 | t.Fatal("existing fixture", path, err) |
| 43 | } |
| 44 | path := path |
| 45 | t.Cleanup(func() { os.RemoveAll(path) }) |
| 46 | } |
| 47 | state, err := rootstate.Open(rootparticipation.Namespace, true, false) |
| 48 | if err != nil { |
| 49 | t.Fatal(err) |
| 50 | } |
| 51 | raw, _ := json.Marshal(rootparticipation.Census{Schema: 1, Box: "box", Enrollment: "en", Migration: 1, Revision: 1, LaunchRevision: 1, Complete: true}) |
| 52 | if err = state.Write("census.json", raw); err != nil { |
| 53 | t.Fatal(err) |
| 54 | } |
| 55 | state.Close() |
| 56 | bookState, err := rootstate.Open(rollout.RootFailuresDir, true, false) |
| 57 | if err != nil { |
| 58 | t.Fatal(err) |
| 59 | } |
| 60 | book, err := rollout.InitializeRootFailures(bookState, "box/en/1", nil) |
| 61 | if err != nil { |
| 62 | t.Fatal(err) |
| 63 | } |
| 64 | if _, err = book.Record(rollout.FailureRecord{Account: "bab", App: "km", Host: "h.example.com", Build: "v1", HeldDown: []string{"h.example.com"}}); err != nil { |
| 65 | t.Fatal(err) |
| 66 | } |
| 67 | id := book.ID() |
| 68 | bookState.Close() |
| 69 | dir := generationRootRunnerDir(t) |
| 70 | config := filepath.Join(dir, "host.env") |
| 71 | if err := os.WriteFile(config, []byte("CARLOS_HOST_CLAIM=1\nCARLOS_DATA_DIR="+dir+"\nCARLOS_OPT_DIR="+dir+"\n"), 0600); err != nil { |
| 72 | t.Fatal(err) |
| 73 | } |
| 74 | settings, err := readClaimUnitSettings(config) |
| 75 | if err != nil || !settings.rootRetry { |
| 76 | t.Fatal("production settings omitted retry scope", settings, err) |
| 77 | } |
| 78 | binary, err := os.ReadFile(os.Args[0]) |
| 79 | if err != nil { |
| 80 | t.Fatal(err) |
| 81 | } |
| 82 | runner := filepath.Join(dir, "runner.test") |
| 83 | if err = os.WriteFile(runner, binary, 0755); err != nil { |
| 84 | t.Fatal(err) |
| 85 | } |
| 86 | raw, err = unitsFS.ReadFile("units/" + claimControlUnit) |
| 87 | if err != nil { |
| 88 | t.Fatal(err) |
| 89 | } |
| 90 | var lines []string |
| 91 | for _, line := range strings.Split(string(claimUnitContent(claimControlUnit, raw, settings)), "\n") { |
| 92 | if strings.HasPrefix(line, "Requires=") || strings.HasPrefix(line, "After=") || strings.HasPrefix(line, "ExecStart=") { |
| 93 | continue |
| 94 | } |
| 95 | lines = append(lines, line) |
| 96 | } |
| 97 | const unit = "plan14-p3-retry.service" |
| 98 | path := filepath.Join("/run/systemd/system", unit) |
| 99 | file, err := os.OpenFile(path, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0644) |
| 100 | if err != nil { |
| 101 | t.Fatal(err) |
| 102 | } |
| 103 | content := strings.Join(lines, "\n") + fmt.Sprintf("\nType=oneshot\nEnvironment=PLAN14_RETRY_HARDENED=1\nExecStart=%s -test.run=^TestPlan14RootRetryHardenedController$ -test.v\nTimeoutStartSec=60\nIPAddressDeny=any\n", runner) |
| 104 | if _, err = file.WriteString(content); err != nil { |
| 105 | t.Fatal(err) |
| 106 | } |
| 107 | file.Close() |
| 108 | t.Cleanup(func() { |
| 109 | exec.Command("systemctl", "stop", unit).Run() |
| 110 | os.Remove(path) |
| 111 | exec.Command("systemctl", "daemon-reload").Run() |
| 112 | }) |
| 113 | for _, args := range [][]string{{"daemon-reload"}, {"start", unit}} { |
| 114 | if out, err := exec.Command("systemctl", args...).CombinedOutput(); err != nil { |
| 115 | logs, _ := exec.Command("journalctl", "-u", unit, "--no-pager").CombinedOutput() |
| 116 | t.Fatal(err, string(out), string(logs)) |
| 117 | } |
| 118 | } |
| 119 | s, err := rootstate.Open(rootRetryProjection, false, true) |
| 120 | if err != nil { |
| 121 | t.Fatal(err) |
| 122 | } |
| 123 | defer s.Close() |
| 124 | raw, err = s.Read("h.example.com.json") |
| 125 | var report rootRetryStatusRecord |
| 126 | if err != nil || json.Unmarshal(raw, &report) != nil || report.HeldBook != id || report.HeldEpoch == 0 { |
| 127 | t.Fatal("hardened controller failed delivery", string(raw), err) |
| 128 | } |
| 129 | } |
| 130 | |
amadan