Merge pull request #78 from lfu/DVPortGroup_1467399

Fix the VM Provisioning issue with auto replacement in selected dvPortGroup network.
(cherry picked from commit 5e17387)

https://bugzilla.redhat.com/show_bug.cgi?id=1478562

app/models/manageiq/providers/vmware/infra_manager/provision_workflow.rb

@@ -144,6 +144,17 @@ def available_vlans_and_hosts(options = {})
     return vlans, hosts
   end
 
+  def filter_hosts_by_vlan_name(all_hosts)
+    vlan_name = get_value(@values[:vlan])
+    return all_hosts unless vlan_name
+
+    _log.info("Filtering hosts with the following network: <#{vlan_name}>")
+    shared = !vlan_name.match(/dvs_/).nil?
+    vlan_name.sub!(/^dvs_/, '') if shared
+    MiqPreloader.preload(all_hosts, :lans => :switches)
+    all_hosts.select { |h| h.lans.any? { |lan| lan.name == vlan_name && !lan.switch.shared.blank? == shared } }
+  end
+
   def allowed_storage_profiles(_options = {})
     return [] if (src = resources_for_ui).blank? || src[:vm].nil?
     @values[:placement_storage_profile] ||=

spec/models/manageiq/providers/vmware/infra_manager/provision_workflow_spec.rb

@@ -244,6 +244,34 @@
         expect(vlans.keys).to   match_array(lan_keys)
         expect(vlans.values).to match_array(lan_values)
       end
+
+      context '#allowed_hosts_obj' do
+        before do
+          allow(workflow).to receive(:find_all_ems_of_type).and_return([@host1, @host2])
+          allow(Rbac).to receive(:search) do |hash|
+            [Array.wrap(hash[:targets])]
+          end
+        end
+
+        it 'finds all hosts with no selected network' do
+          workflow.instance_variable_set(:@values, :src_vm_id => @src_vm.id)
+          expect(workflow.allowed_hosts_obj).to match_array([@host1, @host2])
+        end
+
+        it 'finds only the hosts that can access the selected vSwitch network' do
+          @host1.switches = [s11]
+          @host2.switches = [s22]
+          workflow.instance_variable_set(:@values, :src_vm_id => @src_vm.id, :vlan => [@lan11.name, @lan11.name])
+          expect(workflow.allowed_hosts_obj).to match_array([@host1])
+        end
+
+        it 'finds only the hosts that can access the selected dvSwitch network' do
+          @host1.switches = [s11]
+          @host2.switches = [s22]
+          workflow.instance_variable_set(:@values, :src_vm_id => @src_vm.id, :vlan => ["dvs_#{@lan22.name}", @lan22.name])
+          expect(workflow.allowed_hosts_obj).to match_array([@host2])
+        end
+      end
     end
   end
 end