AMBARI-14822 Combo Search: Create auto suggest for Host attribute filters (Joe Wang via rzang)

ambari-web/app/controllers/main/admin/stack_and_upgrade_controller.js

@@ -553,13 +553,15 @@ App.MainAdminStackAndUpgradeController = Em.Controller.extend(App.LocalStorage,
    * abort upgrade (in order to start Downgrade)
    */
   abortUpgrade: function () {
+    var errorCallback = this.get('isDowngrade') ? 'abortDowngradeErrorCallback' : 'abortUpgradeErrorCallback';
     return App.ajax.send({
       name: 'admin.upgrade.abort',
       sender: this,
       data: {
-        upgradeId: this.get('upgradeId')
+        upgradeId: this.get('upgradeId'),
+        isDowngrade: this.get('isDowngrade')
       },
-      error: 'abortUpgradeErrorCallback'
+      error: errorCallback
     });
   },
 
@@ -579,6 +581,22 @@ App.MainAdminStackAndUpgradeController = Em.Controller.extend(App.LocalStorage,
     App.showAlertPopup(header, body);
   },
 
+  /**
+   * error callback of <code>abortDowngrade()</code>
+   * @param {object} data
+   */
+  abortDowngradeErrorCallback: function (data) {
+    var header = Em.I18n.t('admin.stackDowngrade.state.paused.fail.header');
+    var body = Em.I18n.t('admin.stackDowngrade.state.paused.fail.body');
+    if(data && data.responseText){
+      try {
+        var json = $.parseJSON(data.responseText);
+        body = body + ' ' + json.message;
+      } catch (err) {}
+    }
+    App.showAlertPopup(header, body);
+  },
+
   retryUpgrade: function () {
     this.setProperties({
       requestInProgress: true,

ambari-web/app/messages.js

@@ -1497,6 +1497,8 @@ Em.I18n.translations = {
   'admin.stackVersions.version.downgrade.suspended': "Downgrade: Paused",
   'admin.stackUpgrade.state.paused.fail.header': "Pause Upgrade failed",
   'admin.stackUpgrade.state.paused.fail.body': "Upgrade could not be paused. Try again later.",
+  'admin.stackDowngrade.state.paused.fail.header': "Pause Downgrade failed",
+  'admin.stackDowngrade.state.paused.fail.body': "Downgrade could not be paused. Try again later.",
 
   'admin.stackVersions.version.upgrade.upgradeOptions.header': "Upgrade Options",
   'admin.stackVersions.version.upgrade.upgradeOptions.bodyMsg.version': "You are about to perform an upgrade to <b>{0}</b>.",

ambari-web/app/templates/main/admin/stack_upgrade/stack_upgrade_wizard.hbs

@@ -81,7 +81,7 @@
                     <button class="btn btn-danger" {{bindAttr disabled="controller.requestInProgress"}} {{action confirmDowngrade view.failedItem target="controller"}}>{{t common.downgrade}}</button>
                   {{/if}}
                   {{#if isDowngrade}}
-                    <button class="btn" {{action closeWizard target="view.parentView"}}>{{t admin.stackUpgrade.pauseDowngrade}}</button>
+                    <button class="btn" {{action pauseUpgrade target="view"}}>{{t admin.stackUpgrade.pauseDowngrade}}</button>
                   {{else}}
                     <button class="btn" {{action pauseUpgrade target="view"}}>{{t admin.stackUpgrade.pauseUpgrade}}</button>
                   {{/if}}
@@ -108,7 +108,7 @@
                 <button class="btn btn-danger" {{bindAttr disabled="controller.requestInProgress"}} {{action confirmDowngrade view.manualItem target="controller"}}>{{t common.downgrade}}</button>
               {{/if}}
               {{#if isDowngrade}}
-                <button class="btn" {{action closeWizard target="view.parentView"}}>{{t admin.stackUpgrade.pauseDowngrade}}</button>
+                <button class="btn" {{action pauseUpgrade target="view"}}>{{t admin.stackUpgrade.pauseDowngrade}}</button>
               {{else}}
                 <button class="btn" {{action pauseUpgrade target="view"}}>{{t admin.stackUpgrade.pauseUpgrade}}</button>
               {{/if}}
@@ -189,7 +189,7 @@
                 <button class="btn btn-danger" {{bindAttr disabled="controller.requestInProgress"}} {{action confirmDowngrade view.manualItem target="controller"}}>{{t common.downgrade}}</button>
               {{/if}}
               {{#if isDowngrade}}
-                <button class="btn" {{action closeWizard target="view.parentView"}}>{{t admin.stackUpgrade.pauseDowngrade}}</button>
+                <button class="btn" {{action pauseUpgrade target="view"}}>{{t admin.stackUpgrade.pauseDowngrade}}</button>
               {{else}}
                 <button class="btn" {{action pauseUpgrade target="view"}}>{{t admin.stackUpgrade.pauseUpgrade}}</button>
               {{/if}}
@@ -252,7 +252,7 @@
                   <button class="btn btn-danger" {{bindAttr disabled="controller.requestInProgress"}} {{action confirmDowngrade view.manualItem target="controller"}}>{{t common.downgrade}}</button>
               {{/if}}
               {{#if isDowngrade}}
-                  <button class="btn" {{action closeWizard target="view.parentView"}}>{{t admin.stackUpgrade.pauseDowngrade}}</button>
+                  <button class="btn" {{action pauseUpgrade target="view"}}>{{t admin.stackUpgrade.pauseDowngrade}}</button>
               {{else}}
                   <button class="btn" {{action pauseUpgrade target="view"}}>{{t admin.stackUpgrade.pauseUpgrade}}</button>
               {{/if}}

ambari-web/app/utils/ajax/ajax.js

@@ -1666,6 +1666,9 @@ var urls = {
     'format': function (data) {
       return {
         data: JSON.stringify({
+          "RequestInfo": {
+            "downgrade": data.isDowngrade
+          },
           "Upgrade": {
             "request_status": "ABORTED"
           }