Safegaurd for when the given zone has no hosts

Author: Dingane Hlaluku

ui/scripts/instanceWizard.js

@@ -29,7 +29,7 @@
                dataType: "json",
                async: false,
                success: function(json) {
-                   pods = [{
+                   var pods = [{
                        id: -1,
                        description: 'Default',
                        parentId: -1
@@ -43,8 +43,8 @@
                                parentId: this.zoneid
                            });
                        });
-                       podcallback(pods);
                    }
+                   podcallback(pods);
                }
            });
        },
@@ -57,7 +57,7 @@
                dataType: "json",
                async: false,
                success: function(json) {
-                   clusters = [{
+                   var clusters = [{
                        id: -1,
                        description: 'Default',
                        parentId: -1
@@ -71,8 +71,8 @@
                                parentId: this.podid
                            });
                        });
-                       clustercallback(clusters);
                    }
+                   clustercallback(clusters);
                }
            });
        },
@@ -85,12 +85,12 @@
                 dataType: "json",
                 async: false,
                 success: function(json) {
-                    var hostObjs = json.listhostsresponse.host;
-                    hosts = [{
+                    var hosts = [{
                         id: -1,
                         description: 'Default',
                         parentId: -1
                     }];
+                    var hostObjs = json.listhostsresponse.host;
                     if (hostObjs != undefined) {
                         $(hostObjs).each(function() {
                             hosts.push({
@@ -99,8 +99,10 @@
                                 parentId: this.clusterid
                             });
                         });
-                        hostcallback(hosts);
+                    } else {
+                        hosts[0].description = "No hosts in Zone"
                     }
+                    hostcallback(hosts);
                 }
             });
         },