From 5f15c1edb098e80f0de21f807eb1402c4fe78d17 Mon Sep 17 00:00:00 2001
From: sspeiche <sspeiche@redhat.com>
Date: Sun, 19 Aug 2018 10:43:25 -0400
Subject: [PATCH] Add support for binding style env vars

---
 server.js | 33 +++++++++++++++++++++++++--------
 1 file changed, 25 insertions(+), 8 deletions(-)

diff --git a/server.js b/server.js
index d2352be..746838c 100644
--- a/server.js
+++ b/server.js
@@ -13,13 +13,31 @@ var port = process.env.PORT || process.env.OPENSHIFT_NODEJS_PORT || 8080,
     mongoURL = process.env.OPENSHIFT_MONGODB_DB_URL || process.env.MONGO_URL,
     mongoURLLabel = "";
 
-if (mongoURL == null && process.env.DATABASE_SERVICE_NAME) {
-  var mongoServiceName = process.env.DATABASE_SERVICE_NAME.toUpperCase(),
-      mongoHost = process.env[mongoServiceName + '_SERVICE_HOST'],
-      mongoPort = process.env[mongoServiceName + '_SERVICE_PORT'],
-      mongoDatabase = process.env[mongoServiceName + '_DATABASE'],
-      mongoPassword = process.env[mongoServiceName + '_PASSWORD']
-      mongoUser = process.env[mongoServiceName + '_USER'];
+if (mongoURL == null) {
+  var mongoHost, mongoPort, mongoDatabase, mongoPassword, mongoUser;
+  // If using plane old env vars via service discovery
+  if (process.env.DATABASE_SERVICE_NAME) {
+    var mongoServiceName = process.env.DATABASE_SERVICE_NAME.toUpperCase();
+    mongoHost = process.env[mongoServiceName + '_SERVICE_HOST'];
+    mongoPort = process.env[mongoServiceName + '_SERVICE_PORT'];
+    mongoDatabase = process.env[mongoServiceName + '_DATABASE'];
+    mongoPassword = process.env[mongoServiceName + '_PASSWORD'];
+    mongoUser = process.env[mongoServiceName + '_USER'];
+
+  // If using env vars from secret from service binding  
+  } else if (process.env.database_name) {
+    mongoDatabase = process.env.database_name;
+    mongoPassword = process.env.password;
+    mongoUser = process.env.username;
+    var mongoUriParts = process.env.uri && process.env.uri.split("//");
+    if (mongoUriParts.length == 2) {
+      mongoUriParts = mongoUriParts[1].split(":");
+      if (mongoUriParts && mongoUriParts.length == 2) {
+        mongoHost = mongoUriParts[0];
+        mongoPort = mongoUriParts[1];
+      }
+    }
+  }
 
   if (mongoHost && mongoPort && mongoDatabase) {
     mongoURLLabel = mongoURL = 'mongodb://';
@@ -29,7 +47,6 @@ if (mongoURL == null && process.env.DATABASE_SERVICE_NAME) {
     // Provide UI label that excludes user id and pw
     mongoURLLabel += mongoHost + ':' + mongoPort + '/' + mongoDatabase;
     mongoURL += mongoHost + ':' +  mongoPort + '/' + mongoDatabase;
-
   }
 }
 var db = null,