| 1 | package host |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "runtime" |
| 7 | "testing" |
| 8 | "time" |
| 9 | |
| 10 | "github.com/carlosframework/platform/internal/registry" |
| 11 | "github.com/carlosframework/platform/internal/release" |
| 12 | ) |
| 13 | |
| 14 | // Issue #315, through the fast loop's production options: an agent that is |
| 15 | // not root hands a named-unit route to root's pass rather than repointing it |
| 16 | // and failing systemd's permission check. An agent run as root keeps |
| 17 | // restarting the unit itself. |
| 18 | func TestFastSweepHandsANamedUnitToRoot(t *testing.T) { |
| 19 | for _, tc := range []struct { |
| 20 | name string |
| 21 | root bool |
| 22 | }{{"agent user", false}, {"root", true}} { |
| 23 | t.Run(tc.name, func(t *testing.T) { |
| 24 | was := agentRunsAsRoot |
| 25 | agentRunsAsRoot = func() bool { return tc.root } |
| 26 | t.Cleanup(func() { agentRunsAsRoot = was }) |
| 27 | |
| 28 | env := newFastFixture(t) |
| 29 | ctx := context.Background() |
| 30 | plat := runtime.GOOS + "-" + runtime.GOARCH |
| 31 | for _, v := range []string{"v1", "v2"} { |
| 32 | m := release.Manifest{App: "fastapp", Version: v, Kind: "binary", |
| 33 | Artifacts: map[string]release.Artifact{plat: {}}} |
| 34 | if err := release.Ship(ctx, env.store, "bab", m, map[string][]byte{plat: []byte("build " + v)}); err != nil { |
| 35 | t.Fatalf("Ship %s: %v", v, err) |
| 36 | } |
| 37 | } |
| 38 | if err := release.Promote(ctx, env.store, env.priv, "bab", "fastapp", "canary/dev", "v1"); err != nil { |
| 39 | t.Fatal(err) |
| 40 | } |
| 41 | if err := env.reg.Upsert(registry.Route{Host: "console.test", Kind: "instance", App: "fastapp", |
| 42 | Channel: "canary/dev", Status: "ready", Addr: "127.0.0.1:8090"}); err != nil { |
| 43 | t.Fatal(err) |
| 44 | } |
| 45 | if err := release.Pass(ctx, env.reg, env.store, env.pub, env.optDir, nil); err != nil { |
| 46 | t.Fatal(err) |
| 47 | } |
| 48 | if err := env.reg.SetUnit("console.test", "console.service"); err != nil { |
| 49 | t.Fatal(err) |
| 50 | } |
| 51 | if err := release.Promote(ctx, env.store, env.priv, "bab", "fastapp", "canary/dev", "v2"); err != nil { |
| 52 | t.Fatal(err) |
| 53 | } |
| 54 | |
| 55 | var unitRestarts []string |
| 56 | restart := makeRestartRoute(env.reg, func(string) {}, |
| 57 | unitOnly(func(u string) error { unitRestarts = append(unitRestarts, u); return nil }), nil) |
| 58 | var relayed []error |
| 59 | stageReq := func(host, ver string, err error) { |
| 60 | if host == "console.test" && ver == "v2" { |
| 61 | relayed = append(relayed, err) |
| 62 | } |
| 63 | } |
| 64 | d := env.deps(nil) |
| 65 | d.restart = restart |
| 66 | d.passOpts = fastPassOpts(env.dataDir, stageReq, restart, nil) |
| 67 | |
| 68 | fastTick(ctx, d, time.Unix(1754640000, 0)) |
| 69 | |
| 70 | live, err := release.LiveVersion(env.optDir, "console.test") |
| 71 | if err != nil { |
| 72 | t.Fatal(err) |
| 73 | } |
| 74 | if tc.root { |
| 75 | if live != "v2" || len(unitRestarts) != 1 || len(relayed) != 0 { |
| 76 | t.Fatalf("root agent: live %q, unit restarts %v, relays %v; want v2, one restart, no relay", live, unitRestarts, relayed) |
| 77 | } |
| 78 | return |
| 79 | } |
| 80 | if live != "v1" || len(unitRestarts) != 0 { |
| 81 | t.Fatalf("agent user: live %q, unit restarts %v; want v1 untouched and no restart", live, unitRestarts) |
| 82 | } |
| 83 | if len(relayed) != 1 || !errors.Is(relayed[0], release.ErrUnitRestartNeedsRoot) { |
| 84 | t.Fatalf("relays = %v, want one ErrUnitRestartNeedsRoot", relayed) |
| 85 | } |
| 86 | }) |
| 87 | } |
| 88 | } |
| 89 | |
amadan