update and expand help info on new loc/aff group commands

lib/cli/commands/disk.js

@@ -115,7 +115,11 @@ exports.init = function (cli) {
       
       if (sourcePath) {
         if (!blobUrl && !location && !affinityGroup) {
-          callback('--blob-url, --location, or --affinity-group must be specified');
+          logger.error('--blob-url, --location, or --affinity-group must be specified');
+          logger.help('following commands show available locations and affinity groups:');
+          logger.help('    azure account location list');
+          logger.help('    azure account affinity-group list');
+          callback(' ');
         }
       } else {
         // When source-path is not specified, the user is attempting to register an
@@ -129,6 +133,10 @@ exports.init = function (cli) {
         if (!url.parse(blobUrl).protocol) {
           // With partial urls, we need to know location/affinity group of the storage account.
           if (!location && !affinityGroup) {
+            logger.error('location or affinity group is required if no full URL is specified');
+            logger.help('following commands show available locations and affinity groups:');
+            logger.help('    azure account location list');
+            logger.help('    azure account affinity-group list');
             callback('--location, or --affinity-group must be specified');
           }
         } else {

lib/cli/commands/image.js

@@ -116,7 +116,11 @@ exports.init = function (cli) {
       
       if (sourcePath) {
         if (!blobUrl && !location && !affinityGroup) {
-          callback('--blob-url, --location, or --affinity-group must be specified');
+          logger.error('--blob-url, --location, or --affinity-group must be specified');
+          logger.help('following commands show available locations and affinity groups:');
+          logger.help('    azure account location list');
+          logger.help('    azure account affinity-group list');
+          callback(' ');
         }
       } else {
         // When source-path is not specified, the user is attempting to register an
@@ -130,6 +134,10 @@ exports.init = function (cli) {
         if (!url.parse(blobUrl).protocol) {
           // With partial urls, we need to know location/affinity group of the storage account.
           if (!location && !affinityGroup) {
+            logger.error('location or affinity group is required if no full URL is specified');
+            logger.help('following commands show available locations and affinity groups:');
+            logger.help('    azure account location list');
+            logger.help('    azure account affinity-group list');
             callback('--location, or --affinity-group must be specified');
           }
         } else {

lib/cli/commands/vm.js

@@ -703,8 +703,8 @@ exports.init = function(cli) {
               logger.error('location or affinity group is required for a new cloud service');
               logger.error('please specify --location or --affinity-group');
               logger.help('following commands show available locations and affinity groups:');
-              logger.help('    azure subscription locations');
-              logger.help('    azure subscription affinitygroups');
+              logger.help('    azure account location list');
+              logger.help('    azure account affinity-group list');
               cmdCallback(' ');
             }