| 1 | package appconfig |
| 2 | |
| 3 | import ( |
| 4 | "os" |
| 5 | "path/filepath" |
| 6 | "strings" |
| 7 | "testing" |
| 8 | |
| 9 | "github.com/carlosframework/platform/internal/registry" |
| 10 | ) |
| 11 | |
| 12 | // A re-render never touches the instance's own env file, so the key minted |
| 13 | // there survives every config change, including one that sets the same |
| 14 | // name in the app's configuration (L21, never overwrite: re-render). |
| 15 | func TestSyncExecLeavesTheInstanceKeyAlone(t *testing.T) { |
| 16 | ctx, s, reg, dd, priv, _ := execKit(t) |
| 17 | pk, err := ParsePrivateKey(priv, "test") |
| 18 | if err != nil { |
| 19 | t.Fatal(err) |
| 20 | } |
| 21 | own := filepath.Join(dd, "shop.example.com.env") |
| 22 | body := []byte("CARLOS_ADMIN_TOKEN=tok\nCARLOS_INSTANCE_KEY=q+/Zk3vJ0aW1Yx9sR7tUe2oPl4mN8bC6dF5gH0iJ1kA=\n") |
| 23 | if err := os.WriteFile(own, body, 0o600); err != nil { |
| 24 | t.Fatal(err) |
| 25 | } |
| 26 | rt := registry.Route{Host: "shop.example.com", Kind: "instance", App: "shop", Account: "acct", Status: "ready", Socket: "/run/carlos/shop.sock"} |
| 27 | if err := reg.Upsert(rt); err != nil { |
| 28 | t.Fatal(err) |
| 29 | } |
| 30 | for _, vars := range []map[string]string{{"A": "1"}, {"A": "2", "CARLOS_INSTANCE_KEY": "from-config"}} { |
| 31 | if err := SetEnv(ctx, s, "acct", "shop", vars); err != nil { |
| 32 | t.Fatal(err) |
| 33 | } |
| 34 | if err := SyncExec(ctx, reg, s, pk, dd, func(string) error { return nil }, "", nil); err != nil { |
| 35 | t.Fatal(err) |
| 36 | } |
| 37 | // The render happened: <host>.config.env carries this pass's |
| 38 | // variables, the configured key included. Without this the test |
| 39 | // would pass against a SyncExec that skipped the route. |
| 40 | rendered, err := os.ReadFile(ConfigEnvPath(dd, rt)) |
| 41 | if err != nil { |
| 42 | t.Fatalf("no rendered configuration after SyncExec: %v", err) |
| 43 | } |
| 44 | got := map[string]string{} |
| 45 | for _, line := range strings.Split(string(rendered), "\n") { |
| 46 | if k, v, ok := strings.Cut(line, "="); ok { |
| 47 | got[k] = v |
| 48 | } |
| 49 | } |
| 50 | for k, v := range vars { |
| 51 | if got[k] != v { |
| 52 | t.Fatalf("rendered configuration lacks %s=%s (%d bytes, %d variables)", k, v, len(rendered), len(got)) |
| 53 | } |
| 54 | } |
| 55 | after, err := os.ReadFile(own) |
| 56 | if err != nil { |
| 57 | t.Fatalf("own env file after the render: %v", err) |
| 58 | } |
| 59 | if string(after) != string(body) { |
| 60 | t.Fatalf("a re-render changed the instance's own env file: %d bytes, want %d", len(after), len(body)) |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | |
amadan