setupConfig loads and merges config files, creates the overrides file, and validates the config
(t *testing.T, s *e2e.Scenario, config *TestHarnessConfig, requestedBackend string, harness *TempoHarness)
| 61 | |
| 62 | // setupConfig loads and merges config files, creates the overrides file, and validates the config |
| 63 | func setupConfig(t *testing.T, s *e2e.Scenario, config *TestHarnessConfig, requestedBackend string, harness *TempoHarness) app.Config { |
| 64 | t.Helper() |
| 65 | |
| 66 | // Initialize template data if needed |
| 67 | if config.ConfigTemplateData == nil { |
| 68 | config.ConfigTemplateData = make(map[string]any) |
| 69 | } |
| 70 | |
| 71 | // Call ConfigTemplateFunc if provided to populate template data |
| 72 | if config.PreStartHook != nil { |
| 73 | err := config.PreStartHook(s, config.ConfigTemplateData) |
| 74 | require.NoError(t, err, "failed to execute config template function") |
| 75 | } |
| 76 | |
| 77 | // Copy base config to shared directory |
| 78 | baseConfigPath := baseConfigFile |
| 79 | err := CopyFileToSharedDir(s, baseConfigPath, tempoConfigFile) |
| 80 | require.NoError(t, err, "failed to copy base config to shared dir") |
| 81 | |
| 82 | // Apply single binary specific config if in single binary mode |
| 83 | if config.DeploymentMode == DeploymentModeSingleBinary { |
| 84 | err := applyConfigOverlay(s, singleBinaryConfigFile, nil) |
| 85 | require.NoError(t, err, "failed to apply single binary config overlay") |
| 86 | } |
| 87 | |
| 88 | // backend overlay |
| 89 | if requestedBackend != backend.Local { |
| 90 | backendOverlay := fmt.Sprintf(backendConfigFile, requestedBackend) |
| 91 | err := applyConfigOverlay(s, backendOverlay, nil) |
| 92 | require.NoError(t, err, "failed to apply backend config overlay", requestedBackend) |
| 93 | } |
| 94 | |
| 95 | // Apply config overlay if provided |
| 96 | if config.ConfigOverlay != "" { |
| 97 | err := applyConfigOverlay(s, config.ConfigOverlay, config.ConfigTemplateData) |
| 98 | require.NoError(t, err, "failed to apply config overlay") |
| 99 | } |
| 100 | |
| 101 | // Create empty overrides file |
| 102 | overridesPath := sharedContainerPath(s, tempoOverridesFile) |
| 103 | err = os.WriteFile(overridesPath, []byte("overrides: {}\n"), 0o644) // nolint:gosec // G306: Expect WriteFile permissions to be 0600 or less |
| 104 | require.NoError(t, err, "failed to write initial overrides file") |
| 105 | harness.overridesPath = overridesPath |
| 106 | |
| 107 | // Read and parse the final config |
| 108 | configPath := sharedContainerPath(s, tempoConfigFile) |
| 109 | configBytes, err := os.ReadFile(configPath) |
| 110 | require.NoError(t, err, "failed to read merged config file") |
| 111 | |
| 112 | var cfg app.Config |
| 113 | err = yaml.UnmarshalStrict(configBytes, &cfg) |
| 114 | require.NoError(t, err, "failed to unmarshal merged config into app.Config") |
| 115 | |
| 116 | return cfg |
| 117 | } |
| 118 | |
| 119 | // applyConfigOverlay applies a config overlay file onto the shared config.yaml file, |
| 120 | // with optional template rendering. The overlay is merged onto the existing shared config |
no test coverage detected