add log warning about using default creds file

Author: dshuffma-ibm

app.js

@@ -105,6 +105,24 @@ console.log('------------------------------------------ Server Up - ' + host + '
 if (process.env.PRODUCTION) logger.debug('Running using Production settings');
 else logger.debug('Running using Developer settings');
 
+if(helper.getNetworkId() === 'FakeNetworkId') {
+	console.log('\n\n');
+	logger.warn('----------------------------------------------------------------------');
+	logger.warn('----------------------------- Hey Buddy! -----------------------------');
+	logger.warn('------------------------ It looks like you did -----------------------');
+	logger.error('------------------------------- not  --------------------------------');
+	logger.warn('------------------------- follow my instructions ---------------------');
+	logger.warn('----------------------------------------------------------------------');
+	logger.warn('Your network config JSON has a network ID of "FakeNetworkID"...');
+	logger.warn('You likely have other settings that are wrong too!');
+	logger.warn('----------------------------------------------------------------------');
+	logger.error('Fix this file: ' + helper.getNetworkCredFileName());
+	logger.warn('It must have credentials/hostnames/ports/channels/etc for YOUR network');
+	logger.warn('How/where would I get that info? Using the Bluemix service? Then look at these instructions(near the end): ');
+	logger.warn('  https://github.com/IBM-Blockchain/marbles/blob/v3.0/docs/install_chaincode.md');
+	logger.warn('----------------------------------------------------------------------');
+	console.log('\n\n');
+}
 
 // ============================================================================================================================
 // 														Warning

config/blockchain_creds1.json

@@ -1,16 +1,15 @@
 {
     "credentials": {
-        "network_id": "test",
-        "network_name": "Marbles Tutorial",
+        "network_id": "FakeNetworkId",
         "orderers": [
             {
-                "discovery": "grpc://varadvm2.rtp.raleigh.ibm.com:7050",
+                "discovery": "grpc://localhost:7050",
                 "msp_id": "Org1MSP"
             }
         ],
         "cas": [
             {
-                "api": "http://varadvm2.rtp.raleigh.ibm.com:7054",
+                "api": "http://localhost:7054",
                 "msp_id": "Org1MSP",
                 "users": [
                     {
@@ -23,16 +22,16 @@
         "peers": [
             {
                 "name": "fabric-peer-1a",
-                "discovery": "grpc://varadvm2.rtp.raleigh.ibm.com:7051",
-                "events": "grpc://varadvm2.rtp.raleigh.ibm.com:7053",
+                "discovery": "grpc://localhost:7051",
+                "events": "grpc://localhost:7053",
                 "msp_id": "Org1MSP"
             }
         ],
         "app": {
             "channel_id": "mychannel",
             "chaincode_id": "marbles",
             "chaincode_version": "v0",
-			"block_delay": 1000
+            "block_delay": 1000
         }
     }
 }

config/blockchain_creds2.json

@@ -1,38 +1,37 @@
 {
-    "credentials": {
-        "network_id": "test",
-        "network_name": "Marbles Tutorial",
-        "orderers": [
-            {
-                "discovery": "grpc://varadvm2.rtp.raleigh.ibm.com:7050",
-                "msp_id": "Org1MSP"
-            }
-        ],
-        "cas": [
-            {
-                "api": "http://varadvm2.rtp.raleigh.ibm.com:7054",
-                "msp_id": "Org1MSP",
-                "users": [
-                    {
-                        "enrollId": "admin",
-                        "enrollSecret": "adminpw"
-                    }
-                ]
-            }
-        ],
-        "peers": [
-            {
-                "name": "fabric-peer-1a",
-                "discovery": "grpc://varadvm2.rtp.raleigh.ibm.com:7051",
-                "events": "grpc://varadvm2.rtp.raleigh.ibm.com:7053",
-                "msp_id": "Org1MSP"
-            }
-        ],
-        "app": {
-            "channel_id": "mychannel",
-            "chaincode_id": "marbles",
-            "chaincode_version": "v0",
+	"credentials": {
+		"network_id": "FakeNetworkId",
+		"orderers": [
+			{
+				"discovery": "grpc://localhost:7050",
+				"msp_id": "Org1MSP"
+			}
+		],
+		"cas": [
+			{
+				"api": "http://localhost:8054",
+				"msp_id": "Org1MSP",
+				"users": [
+					{
+						"enrollId": "admin2",
+						"enrollSecret": "adminpw2"
+					}
+				]
+			}
+		],
+		"peers": [
+			{
+				"name": "fabric-peer-2a",
+				"discovery": "grpc://localhost:8051",
+				"events": "grpc://localhost:8053",
+				"msp_id": "Org1MSP"
+			}
+		],
+		"app": {
+			"channel_id": "mychannel",
+			"chaincode_id": "marbles",
+			"chaincode_version": "v0",
 			"block_delay": 1000
-        }
-    }
+		}
+	}
 }

utils/helper.js

@@ -31,6 +31,11 @@ module.exports = function (config_filename, logger) {
 		return helper.creds.credentials.network_id;
 	};
 
+	// get cred file name
+	helper.getNetworkCredFileName = function () {
+		return helper.config.cred_filename;
+	};
+
 	// get a peer's grpc url
 	helper.getPeersUrl = function (index) {
 		if (index === undefined || index == null) {