| 1 | //go:build linux |
| 2 | |
| 3 | package host |
| 4 | |
| 5 | import ( |
| 6 | "os" |
| 7 | "path/filepath" |
| 8 | "testing" |
| 9 | |
| 10 | "github.com/carlosframework/platform/internal/activator" |
| 11 | "github.com/carlosframework/platform/internal/registry" |
| 12 | "github.com/carlosframework/platform/internal/release" |
| 13 | ) |
| 14 | |
| 15 | // The wired LocalSeedID and RemoveLocal are Plan 4's marker read and purge |
| 16 | // (preflight M12), through instancefs: the marker names the seed, and the |
| 17 | // removal takes the database, its WAL and SHM, the marker and the seed |
| 18 | // fetch leftovers, and leaves anything else in the directory. |
| 19 | func TestWiredRollbackReadsAndRemovesTheLocalSeed(t *testing.T) { |
| 20 | h := wiredSeedHooks(t, &fakeFence{gens: map[string]uint64{}}, restartTestRegistry(t), |
| 21 | release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir())) |
| 22 | const id = "sd_aaaaaaaaaaaaaaaaaaaaaaaaaa" |
| 23 | dir := filepath.Join(t.TempDir(), "shop-1.example.com") |
| 24 | if err := os.MkdirAll(dir, 0o700); err != nil { |
| 25 | t.Fatal(err) |
| 26 | } |
| 27 | db := filepath.Join(dir, "shop-1.example.com.db") |
| 28 | gone := []string{db, db + "-wal", db + "-shm", db + activator.SeedMarkerSuffix, filepath.Join(dir, ".seed-sd_x.tmp")} |
| 29 | for _, p := range gone { |
| 30 | body := "data" |
| 31 | if p == db+activator.SeedMarkerSuffix { |
| 32 | body = id + "\n" |
| 33 | } |
| 34 | if err := os.WriteFile(p, []byte(body), 0o600); err != nil { |
| 35 | t.Fatal(err) |
| 36 | } |
| 37 | } |
| 38 | kept := filepath.Join(dir, "uploads.txt") |
| 39 | if err := os.WriteFile(kept, []byte("keep"), 0o600); err != nil { |
| 40 | t.Fatal(err) |
| 41 | } |
| 42 | |
| 43 | if got, err := h.LocalSeedID(db); err != nil || got != id { |
| 44 | t.Fatalf("LocalSeedID = %q, %v; want %q", got, err, id) |
| 45 | } |
| 46 | if err := h.RemoveLocal(registry.Route{Host: "shop-1.example.com", Kind: "instance", DBPath: db}); err != nil { |
| 47 | t.Fatal(err) |
| 48 | } |
| 49 | for _, p := range gone { |
| 50 | if _, err := os.Lstat(p); !os.IsNotExist(err) { |
| 51 | t.Errorf("%s survived the removal (%v)", p, err) |
| 52 | } |
| 53 | } |
| 54 | if _, err := os.Stat(kept); err != nil { |
| 55 | t.Errorf("an unrelated file went: %v", err) |
| 56 | } |
| 57 | if got, err := h.LocalSeedID(db); err != nil || got != "" { |
| 58 | t.Fatalf("LocalSeedID after the removal = %q, %v", got, err) |
| 59 | } |
| 60 | if err := h.RemoveLocal(registry.Route{Host: "shop-1.example.com", Kind: "instance", DBPath: db}); err != nil { |
| 61 | t.Fatalf("a second removal: %v", err) |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | // Merge review S1: the wired EnvBefore and RetireKey are the activator's |
| 66 | // read of the host's own env file and its retirement of the import's key. |
| 67 | // A file the import created goes; a key that was there before stays. |
| 68 | func TestWiredSwapAndRollbackKnowTheImportsInstanceKey(t *testing.T) { |
| 69 | h := wiredSeedHooks(t, &fakeFence{gens: map[string]uint64{}}, restartTestRegistry(t), |
| 70 | release.NewDirStore(t.TempDir()), release.NewDirStore(t.TempDir())) |
| 71 | const host = "shop-1.example.com" |
| 72 | dir := filepath.Join(t.TempDir(), host) |
| 73 | if err := os.MkdirAll(dir, 0o700); err != nil { |
| 74 | t.Fatal(err) |
| 75 | } |
| 76 | db, env := filepath.Join(dir, host+".db"), filepath.Join(dir, host+".env") |
| 77 | if got, err := h.EnvBefore(db, host); err != nil || got != registry.EnvBeforeAbsent { |
| 78 | t.Fatalf("EnvBefore with no file = %q, %v", got, err) |
| 79 | } |
| 80 | body := activator.InstanceKeyVar + "=minted-by-the-import\n" |
| 81 | if err := os.WriteFile(env, []byte(body), 0o600); err != nil { |
| 82 | t.Fatal(err) |
| 83 | } |
| 84 | if got, err := h.EnvBefore(db, host); err != nil || got != registry.EnvBeforeKey { |
| 85 | t.Fatalf("EnvBefore with a key = %q, %v", got, err) |
| 86 | } |
| 87 | if err := h.RetireKey(db, host, registry.EnvBeforeKey); err != nil { |
| 88 | t.Fatal(err) |
| 89 | } |
| 90 | if got, err := os.ReadFile(env); err != nil || string(got) != body { |
| 91 | t.Fatalf("a key that predated the import was touched: %q, %v", got, err) |
| 92 | } |
| 93 | if err := h.RetireKey(db, host, registry.EnvBeforeAbsent); err != nil { |
| 94 | t.Fatal(err) |
| 95 | } |
| 96 | if _, err := os.Lstat(env); !os.IsNotExist(err) { |
| 97 | t.Fatalf("the env file the import created survived (%v)", err) |
| 98 | } |
| 99 | } |
| 100 | |
amadan