Work on varTest

app.js

@@ -22,6 +22,15 @@ const srvPort   = process.env.OWL_SRV_PORT || 8460
 // Print version number:
 console.log(`Starting OwlBoard - App Version: ${version.app} - API versions: ${version.api}`);
 
+// Test for required vars:
+    // const varTest = require('./src/utils/varTest.utils');
+    // var startTest = await varTest.varTest();
+      //console.log("Required Vars Missing:", startTest.missing_required);
+      //console.log("Desired Vars Missing:", startTest.missing_desired);
+        // if startTest.pass == false
+          // console.log("Unable to start, missing required vars")
+          // exit app
+
 // Express Error Handling:
 app.use((err, req, res, next) => {
   const statusCode = err.statuscode || 500;

src/utils/varTest.utils.js

@@ -1,2 +1,27 @@
 // Checks that all required environment variables are present.
 // Returns True or False and offers an object detailing what is missing.
+
+async function varTest(){
+    var required = {
+        OWL_LDB_KEY: process.env.OWL_LDB_KEY,
+        OWL_LDB_CORPUSUSER: process.env.OWL_LDB_CORPUSUSER,
+        OWL_LDB_CORPUSPASS: process.env.OWL_LDB_CORPUSPASS,
+        OWL_NOT_USED: process.env.OWL_NOT_USED
+    }
+    var desired = {
+        OWL_DB_PASS: process.env.OWL_DB_PASS
+    }
+    // DO NOT LOG CREDENTIALS!!!
+
+    // Test that each of required is NOT undefined.
+      // var pass = true if all okay, false if not.
+      // Append any missing values to missing_required = []
+    // Test that each of desired is NOT undefined.
+      // Append any missing values to missing_desired = []
+
+    // Return : {pass: $pass, missong_required = $missing_required, missing_desired = $missing_desired}
+}
+
+module.exports = {
+    varTest
+}