delegate child manager refresh_ems to parent cloud manager

Author: nasark

app/models/manageiq/providers/ibm_power_vc/network_manager.rb

@@ -1,6 +1,10 @@
 ManageIQ::Providers::Openstack::NetworkManager.include(ActsAsStiLeafClass)
 
 class ManageIQ::Providers::IbmPowerVc::NetworkManager < ManageIQ::Providers::Openstack::NetworkManager
+  class << self
+    delegate :refresh_ems, :to => ManageIQ::Providers::IbmPowerVc::CloudManager
+  end
+
   def self.ems_type
     @ems_type ||= "ibm_power_vc_network".freeze
   end

app/models/manageiq/providers/ibm_power_vc/storage_manager/cinder_manager.rb

@@ -1,6 +1,10 @@
 ManageIQ::Providers::Openstack::StorageManager::CinderManager.include(ActsAsStiLeafClass)
 
 class ManageIQ::Providers::IbmPowerVc::StorageManager::CinderManager < ManageIQ::Providers::Openstack::StorageManager::CinderManager
+  class << self
+    delegate :refresh_ems, :to => ManageIQ::Providers::IbmPowerVc::CloudManager
+  end
+
   def self.ems_type
     @ems_type ||= "ibm_power_vc_cinder".freeze
   end

app/models/manageiq/providers/ibm_power_vc/storage_manager/swift_manager.rb

@@ -1,6 +1,10 @@
 ManageIQ::Providers::Openstack::StorageManager::SwiftManager.include(ActsAsStiLeafClass)
 
 class ManageIQ::Providers::IbmPowerVc::StorageManager::SwiftManager < ManageIQ::Providers::Openstack::StorageManager::SwiftManager
+  class << self
+    delegate :refresh_ems, :to => ManageIQ::Providers::IbmPowerVc::CloudManager
+  end
+
   def self.ems_type
     @ems_type ||= "ibm_power_vc_swift".freeze
   end