Added env.

src/node/utils/Settings.ts

@@ -27,6 +27,8 @@
  * limitations under the License.
  */
 
+import {MapArrayType} from "../types/MapType";
+
 const absolutePaths = require('./AbsolutePaths');
 const deepEqual = require('fast-deep-equal/es6');
 const fs = require('fs');
@@ -598,14 +600,16 @@ const coerceValue = (stringValue:string) => {
  *
  * see: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify#The_replacer_parameter
  */
-const lookupEnvironmentVariables = (obj: object) => {
+const lookupEnvironmentVariables = (obj: MapArrayType<any>) => {
-  const stringifiedAndReplaced = JSON.stringify(obj, (key, value) => {
+  function replaceEnvs(obj: MapArrayType<any>) {
+    for (let [key, value] of Object.entries(obj)) {
       /*
       * the first invocation of replacer() is with an empty key. Just go on, or
       * we would zap the entire object.
       */
       if (key === '') {
-      return value;
+        obj[key] = value;
+        continue
       }
 
       /*
@@ -616,10 +620,17 @@ const lookupEnvironmentVariables = (obj: object) => {
        * The environment variable expansion syntax "${ENV_VAR}" is just a string
        * of specific form, after all.
        */
-    if (typeof value !== 'string') {
+      if (typeof value !== 'string' && typeof value !== 'object') {
-      return value;
+        obj[key] = value;
+        continue
       }
 
+      if (typeof value === "object") {
+        replaceEnvs(value);
+        continue
+      }
+
+
       /*
        * Let's check if the string value looks like a variable expansion (e.g.:
        * "${ENV_VAR}" or "${ENV_VAR:default_value}")
@@ -629,8 +640,8 @@ const lookupEnvironmentVariables = (obj: object) => {
 
       if (match == null) {
         // no match: use the value literally, without any substitution
-
+        obj[key] = value;
-      return value;
+        continue
       }
 
       /*
@@ -651,14 +662,16 @@ const lookupEnvironmentVariables = (obj: object) => {
          * We have to return null, because if we just returned undefined, the
          * configuration item "key" would be stripped from the returned object.
          */
-      return null;
+        obj[key] = null;
+        continue
       }
 
       if ((envVarValue === undefined) && (defaultValue !== undefined)) {
         logger.debug(`Environment variable "${envVarName}" not found for ` +
             `configuration key "${key}". Falling back to default value.`);
 
-      return coerceValue(defaultValue);
+        obj[key] = coerceValue(defaultValue);
+        continue
       }
 
       // envVarName contained some value.
@@ -670,12 +683,23 @@ const lookupEnvironmentVariables = (obj: object) => {
       logger.debug(
           `Configuration key "${key}" will be read from environment variable "${envVarName}"`);
 
-    return coerceValue(envVarValue!);
+      obj[key] = coerceValue(envVarValue!);
-  });
+    }
+  }
 
-  const newSettings = JSON.parse(stringifiedAndReplaced);
+  replaceEnvs(obj);
 
-  return newSettings;
+  // Add plugin ENV variables
+  for (const key of Object.keys(process.env)) {
+    if (key.startsWith('EP_')) {
+      // Add to object
+      obj[key] = process.env[key];
+    }
+  }
+
+  console.log(obj)
+
+  return obj;
 };
 
 /**
@@ -718,9 +742,7 @@ const parseSettings = (settingsFilename:string, isSettings:boolean) => {
 
     logger.info(`${settingsType} loaded from: ${settingsFilename}`);
 
-    const replacedSettings = lookupEnvironmentVariables(settings);
+    return lookupEnvironmentVariables(settings);
-
-    return replacedSettings;
   } catch (e:any) {
     logger.error(`There was an error processing your ${settingsType} ` +
         `file from ${settingsFilename}: ${e.message}`);