X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Futils%2FConfiguration.ts;h=b564cd6252ea4366993f24bb5e9961132bd9ad4d;hb=3fb26594ef01e3f443bcc0bbf81401c6e38fdc01;hp=c58fdb0f1a83db0b133e4837fded129b8dd9c848;hpb=e1d9a0f4d6ff1a90048e9a694fd12b7031cc6961;p=e-mobility-charging-stations-simulator.git

diff --git a/src/utils/Configuration.ts b/src/utils/Configuration.ts
index c58fdb0f..b564cd62 100644
--- a/src/utils/Configuration.ts
+++ b/src/utils/Configuration.ts
@@ -10,6 +10,7 @@ import { hasOwnProp, isCFEnvironment, isNotEmptyString, isUndefined } from './Ut
 import {
   ApplicationProtocol,
   type ConfigurationData,
+  ConfigurationSection,
   FileType,
   type LogConfiguration,
   type StationTemplateUrl,
@@ -19,7 +20,19 @@ import {
   type UIServerConfiguration,
   type WorkerConfiguration,
 } from '../types';
-import { WorkerConstants, WorkerProcessType } from '../worker';
+import {
+  DEFAULT_ELEMENT_START_DELAY,
+  DEFAULT_POOL_MAX_SIZE,
+  DEFAULT_POOL_MIN_SIZE,
+  DEFAULT_WORKER_START_DELAY,
+  WorkerProcessType,
+} from '../worker';
+
+type ConfigurationSectionType =
+  | LogConfiguration
+  | StorageConfiguration
+  | WorkerConfiguration
+  | UIServerConfiguration;
 
 export class Configuration {
   private static configurationFile = join(
@@ -28,9 +41,19 @@ export class Configuration {
     'config.json',
   );
 
-  private static configurationFileWatcher: FSWatcher | undefined;
-  private static configuration: ConfigurationData | null = null;
-  private static configurationChangeCallback: () => Promise<void>;
+  private static configurationFileWatcher?: FSWatcher;
+  private static configurationData?: ConfigurationData;
+  private static configurationSectionCache = new Map<
+    ConfigurationSection,
+    ConfigurationSectionType
+  >([
+    [ConfigurationSection.log, Configuration.buildLogSection()],
+    [ConfigurationSection.performanceStorage, Configuration.buildPerformanceStorageSection()],
+    [ConfigurationSection.worker, Configuration.buildWorkerSection()],
+    [ConfigurationSection.uiServer, Configuration.buildUIServerSection()],
+  ]);
+
+  private static configurationChangeCallback?: () => Promise<void>;
 
   private constructor() {
     // This is intentional
@@ -40,55 +63,13 @@ export class Configuration {
     Configuration.configurationChangeCallback = cb;
   }
 
-  public static getUIServer(): UIServerConfiguration {
-    if (hasOwnProp(Configuration.getConfig(), 'uiWebSocketServer')) {
-      console.error(
-        `${chalk.green(Configuration.logPrefix())} ${chalk.red(
-          "Deprecated configuration section 'uiWebSocketServer' usage. Use 'uiServer' instead",
-        )}`,
-      );
+  public static getConfigurationSection<T extends ConfigurationSectionType>(
+    sectionName: ConfigurationSection,
+  ): T {
+    if (!Configuration.isConfigurationSectionCached(sectionName)) {
+      Configuration.cacheConfigurationSection(sectionName);
     }
-    let uiServerConfiguration: UIServerConfiguration = {
-      enabled: false,
-      type: ApplicationProtocol.WS,
-      options: {
-        host: Constants.DEFAULT_UI_SERVER_HOST,
-        port: Constants.DEFAULT_UI_SERVER_PORT,
-      },
-    };
-    if (hasOwnProp(Configuration.getConfig(), 'uiServer')) {
-      uiServerConfiguration = merge<UIServerConfiguration>(
-        uiServerConfiguration,
-        Configuration.getConfig()!.uiServer!,
-      );
-    }
-    if (isCFEnvironment() === true) {
-      delete uiServerConfiguration.options?.host;
-      uiServerConfiguration.options!.port = parseInt(process.env.PORT!);
-    }
-    return uiServerConfiguration;
-  }
-
-  public static getPerformanceStorage(): StorageConfiguration {
-    Configuration.warnDeprecatedConfigurationKey('URI', 'performanceStorage', "Use 'uri' instead");
-    let storageConfiguration: StorageConfiguration = {
-      enabled: false,
-      type: StorageType.JSON_FILE,
-      uri: this.getDefaultPerformanceStorageUri(StorageType.JSON_FILE),
-    };
-    if (hasOwnProp(Configuration.getConfig(), 'performanceStorage')) {
-      storageConfiguration = {
-        ...storageConfiguration,
-        ...Configuration.getConfig()?.performanceStorage,
-        ...(Configuration.getConfig()?.performanceStorage?.type === StorageType.JSON_FILE &&
-          Configuration.getConfig()?.performanceStorage?.uri && {
-            uri: Configuration.buildPerformanceUriFilePath(
-              new URL(Configuration.getConfig()!.performanceStorage!.uri!).pathname,
-            ),
-          }),
-      };
-    }
-    return storageConfiguration;
+    return Configuration.configurationSectionCache.get(sectionName) as T;
   }
 
   public static getAutoReconnectMaxRetries(): number | undefined {
@@ -107,9 +88,8 @@ export class Configuration {
       undefined,
       'Use it in charging station template instead',
     );
-    // Read conf
-    if (hasOwnProp(Configuration.getConfig(), 'autoReconnectMaxRetries')) {
-      return Configuration.getConfig()?.autoReconnectMaxRetries;
+    if (hasOwnProp(Configuration.getConfigurationData(), 'autoReconnectMaxRetries')) {
+      return Configuration.getConfigurationData()?.autoReconnectMaxRetries;
     }
   }
 
@@ -120,15 +100,18 @@ export class Configuration {
       "Use 'stationTemplateUrls' instead",
     );
     // eslint-disable-next-line @typescript-eslint/dot-notation
-    !isUndefined(Configuration.getConfig()!['stationTemplateURLs']) &&
-      (Configuration.getConfig()!.stationTemplateUrls = Configuration.getConfig()![
-        // eslint-disable-next-line @typescript-eslint/dot-notation
-        'stationTemplateURLs'
-      ] as StationTemplateUrl[]);
-    Configuration.getConfig()!.stationTemplateUrls.forEach(
+    !isUndefined(
+      Configuration.getConfigurationData()!['stationTemplateURLs' as keyof ConfigurationData],
+    ) &&
+      (Configuration.getConfigurationData()!.stationTemplateUrls =
+        Configuration.getConfigurationData()![
+          // eslint-disable-next-line @typescript-eslint/dot-notation
+          'stationTemplateURLs' as keyof ConfigurationData
+        ] as StationTemplateUrl[]);
+    Configuration.getConfigurationData()!.stationTemplateUrls.forEach(
       (stationTemplateUrl: StationTemplateUrl) => {
         // eslint-disable-next-line @typescript-eslint/dot-notation
-        if (!isUndefined(stationTemplateUrl['numberOfStation'])) {
+        if (!isUndefined(stationTemplateUrl['numberOfStation' as keyof StationTemplateUrl])) {
           console.error(
             `${chalk.green(Configuration.logPrefix())} ${chalk.red(
               `Deprecated configuration key 'numberOfStation' usage for template file '${stationTemplateUrl.file}' in 'stationTemplateUrls'. Use 'numberOfStations' instead`,
@@ -137,60 +120,194 @@ export class Configuration {
         }
       },
     );
-    // Read conf
-    return Configuration.getConfig()?.stationTemplateUrls;
+    return Configuration.getConfigurationData()?.stationTemplateUrls;
+  }
+
+  public static getSupervisionUrls(): string | string[] | undefined {
+    Configuration.warnDeprecatedConfigurationKey(
+      'supervisionURLs',
+      undefined,
+      "Use 'supervisionUrls' instead",
+    );
+    // eslint-disable-next-line @typescript-eslint/dot-notation
+    if (
+      !isUndefined(
+        Configuration.getConfigurationData()!['supervisionURLs' as keyof ConfigurationData],
+      )
+    ) {
+      Configuration.getConfigurationData()!.supervisionUrls = Configuration.getConfigurationData()![
+        // eslint-disable-next-line @typescript-eslint/dot-notation
+        'supervisionURLs' as keyof ConfigurationData
+      ] as string | string[];
+    }
+    return Configuration.getConfigurationData()?.supervisionUrls;
+  }
+
+  public static getSupervisionUrlDistribution(): SupervisionUrlDistribution | undefined {
+    Configuration.warnDeprecatedConfigurationKey(
+      'distributeStationToTenantEqually',
+      undefined,
+      "Use 'supervisionUrlDistribution' instead",
+    );
+    Configuration.warnDeprecatedConfigurationKey(
+      'distributeStationsToTenantsEqually',
+      undefined,
+      "Use 'supervisionUrlDistribution' instead",
+    );
+    return hasOwnProp(Configuration.getConfigurationData(), 'supervisionUrlDistribution')
+      ? Configuration.getConfigurationData()?.supervisionUrlDistribution
+      : SupervisionUrlDistribution.ROUND_ROBIN;
+  }
+
+  public static workerPoolInUse(): boolean {
+    return [WorkerProcessType.dynamicPool, WorkerProcessType.staticPool].includes(
+      Configuration.buildWorkerSection().processType!,
+    );
+  }
+
+  public static workerDynamicPoolInUse(): boolean {
+    return Configuration.buildWorkerSection().processType === WorkerProcessType.dynamicPool;
+  }
+
+  private static isConfigurationSectionCached(sectionName: ConfigurationSection): boolean {
+    return Configuration.configurationSectionCache.has(sectionName);
+  }
+
+  private static cacheConfigurationSection(sectionName: ConfigurationSection): void {
+    switch (sectionName) {
+      case ConfigurationSection.log:
+        Configuration.configurationSectionCache.set(sectionName, Configuration.buildLogSection());
+        break;
+      case ConfigurationSection.performanceStorage:
+        Configuration.configurationSectionCache.set(
+          sectionName,
+          Configuration.buildPerformanceStorageSection(),
+        );
+        break;
+      case ConfigurationSection.worker:
+        Configuration.configurationSectionCache.set(
+          sectionName,
+          Configuration.buildWorkerSection(),
+        );
+        break;
+      case ConfigurationSection.uiServer:
+        Configuration.configurationSectionCache.set(
+          sectionName,
+          Configuration.buildUIServerSection(),
+        );
+        break;
+      default:
+        // eslint-disable-next-line @typescript-eslint/restrict-template-expressions
+        throw new Error(`Unknown configuration section '${sectionName}'`);
+    }
+  }
+
+  private static buildUIServerSection(): UIServerConfiguration {
+    if (hasOwnProp(Configuration.getConfigurationData(), 'uiWebSocketServer')) {
+      console.error(
+        `${chalk.green(Configuration.logPrefix())} ${chalk.red(
+          `Deprecated configuration section 'uiWebSocketServer' usage. Use '${ConfigurationSection.uiServer}' instead`,
+        )}`,
+      );
+    }
+    let uiServerConfiguration: UIServerConfiguration = {
+      enabled: false,
+      type: ApplicationProtocol.WS,
+      options: {
+        host: Constants.DEFAULT_UI_SERVER_HOST,
+        port: Constants.DEFAULT_UI_SERVER_PORT,
+      },
+    };
+    if (hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.uiServer)) {
+      uiServerConfiguration = merge<UIServerConfiguration>(
+        uiServerConfiguration,
+        Configuration.getConfigurationData()!.uiServer!,
+      );
+    }
+    if (isCFEnvironment() === true) {
+      delete uiServerConfiguration.options?.host;
+      uiServerConfiguration.options!.port = parseInt(process.env.PORT!);
+    }
+    return uiServerConfiguration;
+  }
+
+  private static buildPerformanceStorageSection(): StorageConfiguration {
+    Configuration.warnDeprecatedConfigurationKey(
+      'URI',
+      ConfigurationSection.performanceStorage,
+      "Use 'uri' instead",
+    );
+    let storageConfiguration: StorageConfiguration = {
+      enabled: false,
+      type: StorageType.JSON_FILE,
+      uri: Configuration.getDefaultPerformanceStorageUri(StorageType.JSON_FILE),
+    };
+    if (hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.performanceStorage)) {
+      storageConfiguration = {
+        ...storageConfiguration,
+        ...Configuration.getConfigurationData()?.performanceStorage,
+        ...(Configuration.getConfigurationData()?.performanceStorage?.type ===
+          StorageType.JSON_FILE &&
+          Configuration.getConfigurationData()?.performanceStorage?.uri && {
+            uri: Configuration.buildPerformanceUriFilePath(
+              new URL(Configuration.getConfigurationData()!.performanceStorage!.uri!).pathname,
+            ),
+          }),
+      };
+    }
+    return storageConfiguration;
   }
 
-  public static getLog(): LogConfiguration {
+  private static buildLogSection(): LogConfiguration {
     Configuration.warnDeprecatedConfigurationKey(
       'logEnabled',
       undefined,
-      "Use 'log' section to define the logging enablement instead",
+      `Use '${ConfigurationSection.log}' section to define the logging enablement instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'logFile',
       undefined,
-      "Use 'log' section to define the log file instead",
+      `Use '${ConfigurationSection.log}' section to define the log file instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'logErrorFile',
       undefined,
-      "Use 'log' section to define the log error file instead",
+      `Use '${ConfigurationSection.log}' section to define the log error file instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'logConsole',
       undefined,
-      "Use 'log' section to define the console logging enablement instead",
+      `Use '${ConfigurationSection.log}' section to define the console logging enablement instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'logStatisticsInterval',
       undefined,
-      "Use 'log' section to define the log statistics interval instead",
+      `Use '${ConfigurationSection.log}' section to define the log statistics interval instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'logLevel',
       undefined,
-      "Use 'log' section to define the log level instead",
+      `Use '${ConfigurationSection.log}' section to define the log level instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'logFormat',
       undefined,
-      "Use 'log' section to define the log format instead",
+      `Use '${ConfigurationSection.log}' section to define the log format instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'logRotate',
       undefined,
-      "Use 'log' section to define the log rotation enablement instead",
+      `Use '${ConfigurationSection.log}' section to define the log rotation enablement instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'logMaxFiles',
       undefined,
-      "Use 'log' section to define the log maximum files instead",
+      `Use '${ConfigurationSection.log}' section to define the log maximum files instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'logMaxSize',
       undefined,
-      "Use 'log' section to define the log maximum size instead",
+      `Use '${ConfigurationSection.log}' section to define the log maximum size instead`,
     );
     const defaultLogConfiguration: LogConfiguration = {
       enabled: true,
@@ -202,175 +319,139 @@ export class Configuration {
       rotate: true,
     };
     const deprecatedLogConfiguration: LogConfiguration = {
-      ...(hasOwnProp(Configuration.getConfig(), 'logEnabled') && {
-        enabled: Configuration.getConfig()?.logEnabled,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logEnabled') && {
+        enabled: Configuration.getConfigurationData()?.logEnabled,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'logFile') && {
-        file: Configuration.getConfig()?.logFile,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logFile') && {
+        file: Configuration.getConfigurationData()?.logFile,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'logErrorFile') && {
-        errorFile: Configuration.getConfig()?.logErrorFile,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logErrorFile') && {
+        errorFile: Configuration.getConfigurationData()?.logErrorFile,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'logStatisticsInterval') && {
-        statisticsInterval: Configuration.getConfig()?.logStatisticsInterval,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logStatisticsInterval') && {
+        statisticsInterval: Configuration.getConfigurationData()?.logStatisticsInterval,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'logLevel') && {
-        level: Configuration.getConfig()?.logLevel,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logLevel') && {
+        level: Configuration.getConfigurationData()?.logLevel,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'logConsole') && {
-        console: Configuration.getConfig()?.logConsole,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logConsole') && {
+        console: Configuration.getConfigurationData()?.logConsole,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'logFormat') && {
-        format: Configuration.getConfig()?.logFormat,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logFormat') && {
+        format: Configuration.getConfigurationData()?.logFormat,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'logRotate') && {
-        rotate: Configuration.getConfig()?.logRotate,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logRotate') && {
+        rotate: Configuration.getConfigurationData()?.logRotate,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'logMaxFiles') && {
-        maxFiles: Configuration.getConfig()?.logMaxFiles,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logMaxFiles') && {
+        maxFiles: Configuration.getConfigurationData()?.logMaxFiles,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'logMaxSize') && {
-        maxSize: Configuration.getConfig()?.logMaxSize,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'logMaxSize') && {
+        maxSize: Configuration.getConfigurationData()?.logMaxSize,
       }),
     };
     const logConfiguration: LogConfiguration = {
       ...defaultLogConfiguration,
       ...deprecatedLogConfiguration,
-      ...(hasOwnProp(Configuration.getConfig(), 'log') && Configuration.getConfig()?.log),
+      ...(hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.log) &&
+        Configuration.getConfigurationData()?.log),
     };
     return logConfiguration;
   }
 
-  public static getWorker(): WorkerConfiguration {
+  private static buildWorkerSection(): WorkerConfiguration {
     Configuration.warnDeprecatedConfigurationKey(
       'useWorkerPool',
       undefined,
-      "Use 'worker' section to define the type of worker process model instead",
+      `Use '${ConfigurationSection.worker}' section to define the type of worker process model instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'workerProcess',
       undefined,
-      "Use 'worker' section to define the type of worker process model instead",
+      `Use '${ConfigurationSection.worker}' section to define the type of worker process model instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'workerStartDelay',
       undefined,
-      "Use 'worker' section to define the worker start delay instead",
+      `Use '${ConfigurationSection.worker}' section to define the worker start delay instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'chargingStationsPerWorker',
       undefined,
-      "Use 'worker' section to define the number of element(s) per worker instead",
+      `Use '${ConfigurationSection.worker}' section to define the number of element(s) per worker instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'elementStartDelay',
       undefined,
-      "Use 'worker' section to define the worker's element start delay instead",
+      `Use '${ConfigurationSection.worker}' section to define the worker's element start delay instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'workerPoolMinSize',
       undefined,
-      "Use 'worker' section to define the worker pool minimum size instead",
+      `Use '${ConfigurationSection.worker}' section to define the worker pool minimum size instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'workerPoolSize;',
       undefined,
-      "Use 'worker' section to define the worker pool maximum size instead",
+      `Use '${ConfigurationSection.worker}' section to define the worker pool maximum size instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'workerPoolMaxSize;',
       undefined,
-      "Use 'worker' section to define the worker pool maximum size instead",
+      `Use '${ConfigurationSection.worker}' section to define the worker pool maximum size instead`,
     );
     Configuration.warnDeprecatedConfigurationKey(
       'workerPoolStrategy;',
       undefined,
-      "Use 'worker' section to define the worker pool strategy instead",
+      `Use '${ConfigurationSection.worker}' section to define the worker pool strategy instead`,
     );
     const defaultWorkerConfiguration: WorkerConfiguration = {
       processType: WorkerProcessType.workerSet,
-      startDelay: WorkerConstants.DEFAULT_WORKER_START_DELAY,
+      startDelay: DEFAULT_WORKER_START_DELAY,
       elementsPerWorker: 'auto',
-      elementStartDelay: WorkerConstants.DEFAULT_ELEMENT_START_DELAY,
-      poolMinSize: WorkerConstants.DEFAULT_POOL_MIN_SIZE,
-      poolMaxSize: WorkerConstants.DEFAULT_POOL_MAX_SIZE,
+      elementStartDelay: DEFAULT_ELEMENT_START_DELAY,
+      poolMinSize: DEFAULT_POOL_MIN_SIZE,
+      poolMaxSize: DEFAULT_POOL_MAX_SIZE,
     };
-    hasOwnProp(Configuration.getConfig(), 'workerPoolStrategy') &&
-      delete Configuration.getConfig()?.workerPoolStrategy;
+    hasOwnProp(Configuration.getConfigurationData(), 'workerPoolStrategy') &&
+      delete Configuration.getConfigurationData()?.workerPoolStrategy;
     const deprecatedWorkerConfiguration: WorkerConfiguration = {
-      ...(hasOwnProp(Configuration.getConfig(), 'workerProcess') && {
-        processType: Configuration.getConfig()?.workerProcess,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'workerProcess') && {
+        processType: Configuration.getConfigurationData()?.workerProcess,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'workerStartDelay') && {
-        startDelay: Configuration.getConfig()?.workerStartDelay,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'workerStartDelay') && {
+        startDelay: Configuration.getConfigurationData()?.workerStartDelay,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'chargingStationsPerWorker') && {
-        elementsPerWorker: Configuration.getConfig()?.chargingStationsPerWorker,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'chargingStationsPerWorker') && {
+        elementsPerWorker: Configuration.getConfigurationData()?.chargingStationsPerWorker,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'elementStartDelay') && {
-        elementStartDelay: Configuration.getConfig()?.elementStartDelay,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'elementStartDelay') && {
+        elementStartDelay: Configuration.getConfigurationData()?.elementStartDelay,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'workerPoolMinSize') && {
-        poolMinSize: Configuration.getConfig()?.workerPoolMinSize,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'workerPoolMinSize') && {
+        poolMinSize: Configuration.getConfigurationData()?.workerPoolMinSize,
       }),
-      ...(hasOwnProp(Configuration.getConfig(), 'workerPoolMaxSize') && {
-        poolMaxSize: Configuration.getConfig()?.workerPoolMaxSize,
+      ...(hasOwnProp(Configuration.getConfigurationData(), 'workerPoolMaxSize') && {
+        poolMaxSize: Configuration.getConfigurationData()?.workerPoolMaxSize,
       }),
     };
     Configuration.warnDeprecatedConfigurationKey(
       'poolStrategy',
-      'worker',
+      ConfigurationSection.worker,
       'Not publicly exposed to end users',
     );
     const workerConfiguration: WorkerConfiguration = {
       ...defaultWorkerConfiguration,
       ...deprecatedWorkerConfiguration,
-      ...(hasOwnProp(Configuration.getConfig(), 'worker') && Configuration.getConfig()?.worker),
+      ...(hasOwnProp(Configuration.getConfigurationData(), ConfigurationSection.worker) &&
+        Configuration.getConfigurationData()?.worker),
     };
-    return workerConfiguration;
-  }
-
-  public static workerPoolInUse(): boolean {
-    return [WorkerProcessType.dynamicPool, WorkerProcessType.staticPool].includes(
-      Configuration.getWorker().processType!,
-    );
-  }
-
-  public static workerDynamicPoolInUse(): boolean {
-    return Configuration.getWorker().processType === WorkerProcessType.dynamicPool;
-  }
-
-  public static getSupervisionUrls(): string | string[] | undefined {
-    Configuration.warnDeprecatedConfigurationKey(
-      'supervisionURLs',
-      undefined,
-      "Use 'supervisionUrls' instead",
-    );
-    // eslint-disable-next-line @typescript-eslint/dot-notation
-    if (!isUndefined(Configuration.getConfig()!['supervisionURLs'])) {
-      // eslint-disable-next-line @typescript-eslint/dot-notation
-      Configuration.getConfig()!.supervisionUrls = Configuration.getConfig()!['supervisionURLs'] as
-        | string
-        | string[];
+    if (!Object.values(WorkerProcessType).includes(workerConfiguration.processType!)) {
+      throw new SyntaxError(
+        `Invalid worker process type '${workerConfiguration.processType}' defined in configuration`,
+      );
     }
-    // Read conf
-    return Configuration.getConfig()?.supervisionUrls;
-  }
-
-  public static getSupervisionUrlDistribution(): SupervisionUrlDistribution | undefined {
-    Configuration.warnDeprecatedConfigurationKey(
-      'distributeStationToTenantEqually',
-      undefined,
-      "Use 'supervisionUrlDistribution' instead",
-    );
-    Configuration.warnDeprecatedConfigurationKey(
-      'distributeStationsToTenantsEqually',
-      undefined,
-      "Use 'supervisionUrlDistribution' instead",
-    );
-    return hasOwnProp(Configuration.getConfig(), 'supervisionUrlDistribution')
-      ? Configuration.getConfig()?.supervisionUrlDistribution
-      : SupervisionUrlDistribution.ROUND_ROBIN;
+    return workerConfiguration;
   }
 
   private static logPrefix = (): string => {
@@ -384,8 +465,15 @@ export class Configuration {
   ) {
     if (
       sectionName &&
-      !isUndefined(Configuration.getConfig()![sectionName]) &&
-      !isUndefined((Configuration.getConfig()![sectionName] as object)[key])
+      !isUndefined(Configuration.getConfigurationData()![sectionName as keyof ConfigurationData]) &&
+      !isUndefined(
+        (
+          Configuration.getConfigurationData()![sectionName as keyof ConfigurationData] as Record<
+            string,
+            unknown
+          >
+        )[key],
+      )
     ) {
       console.error(
         `${chalk.green(Configuration.logPrefix())} ${chalk.red(
@@ -394,7 +482,9 @@ export class Configuration {
           }`,
         )}`,
       );
-    } else if (!isUndefined(Configuration.getConfig()![key])) {
+    } else if (
+      !isUndefined(Configuration.getConfigurationData()![key as keyof ConfigurationData])
+    ) {
       console.error(
         `${chalk.green(Configuration.logPrefix())} ${chalk.red(
           `Deprecated configuration key '${key}' usage${
@@ -405,13 +495,15 @@ export class Configuration {
     }
   }
 
-  // Read the config file
-  private static getConfig(): ConfigurationData | null {
-    if (!Configuration.configuration) {
+  private static getConfigurationData(): ConfigurationData | undefined {
+    if (!Configuration.configurationData) {
       try {
-        Configuration.configuration = JSON.parse(
+        Configuration.configurationData = JSON.parse(
           readFileSync(Configuration.configurationFile, 'utf8'),
         ) as ConfigurationData;
+        if (!Configuration.configurationFileWatcher) {
+          Configuration.configurationFileWatcher = Configuration.getConfigurationFileWatcher();
+        }
       } catch (error) {
         Configuration.handleFileException(
           Configuration.configurationFile,
@@ -420,21 +512,18 @@ export class Configuration {
           Configuration.logPrefix(),
         );
       }
-      if (!Configuration.configurationFileWatcher) {
-        Configuration.configurationFileWatcher = Configuration.getConfigurationFileWatcher();
-      }
     }
-    return Configuration.configuration;
+    return Configuration.configurationData;
   }
 
   private static getConfigurationFileWatcher(): FSWatcher | undefined {
     try {
       return watch(Configuration.configurationFile, (event, filename): void => {
         if (filename!.trim()!.length > 0 && event === 'change') {
-          // Nullify to force configuration file reading
-          Configuration.configuration = null;
+          delete Configuration.configurationData;
+          Configuration.configurationSectionCache.clear();
           if (!isUndefined(Configuration.configurationChangeCallback)) {
-            Configuration.configurationChangeCallback().catch((error) => {
+            Configuration.configurationChangeCallback!().catch((error) => {
               throw typeof error === 'string' ? new Error(error) : error;
             });
           }
@@ -489,7 +578,7 @@ export class Configuration {
           `${Constants.DEFAULT_PERFORMANCE_DIRECTORY}/${Constants.DEFAULT_PERFORMANCE_RECORDS_DB_NAME}.db`,
         );
       default:
-        throw new Error(`Performance storage URI is mandatory with storage type '${storageType}'`);
+        throw new Error(`Unsupported storage type '${storageType}'`);
     }
   }