Subclass IsoDatastore and transfer from core

app/models/manageiq/providers/ovirt/infra_manager.rb

@@ -17,6 +17,7 @@ class ManageIQ::Providers::Ovirt::InfraManager < ManageIQ::Providers::InfraManag
   require_nested  :ProvisionWorkflow
   require_nested  :Snapshot
   require_nested  :Storage
+  require_nested  :IsoDatastore
   require_nested  :Template
   require_nested  :Vm
   require_nested  :DistributedVirtualSwitch
@@ -27,6 +28,8 @@ class ManageIQ::Providers::Ovirt::InfraManager < ManageIQ::Providers::InfraManag
   has_many :vm_and_template_ems_custom_fields, :through => :vms_and_templates, :source => :ems_custom_attributes
   has_many :external_distributed_virtual_switches, :dependent => :destroy, :foreign_key => :ems_id, :inverse_of => :ext_management_system
   has_many :external_distributed_virtual_lans, -> { distinct }, :through => :external_distributed_virtual_switches, :source => :lans
+  has_many :iso_datastores, :dependent => :destroy, :foreign_key => :ems_id, :inverse_of => :ext_management_system
+  has_many :iso_images, :through => :storages
 
   include HasNetworkManagerMixin
 
@@ -42,7 +45,7 @@ class ManageIQ::Providers::Ovirt::InfraManager < ManageIQ::Providers::InfraManag
   end
 
   supports :create_iso_datastore do
-    unsupported_reason_add(:create_iso_datastore, _("Already has an ISO datastore")) if iso_datastore
+    unsupported_reason_add(:create_iso_datastore, _("Already has an ISO datastore")) unless iso_datastores.empty?
   end
 
   def ensure_managers

app/models/manageiq/providers/ovirt/infra_manager/iso_datastore.rb

@@ -0,0 +1,9 @@
+class ManageIQ::Providers::Ovirt::InfraManager::IsoDatastore < ManageIQ::Providers::Ovirt::InfraManager::Storage
+  supports :iso_datastore
+
+  belongs_to :ext_management_system, :foreign_key => :ems_id
+
+  def self.display_name(number = 1)
+    n_('ISO Datastore', 'ISO Datastores', number)
+  end
+end

app/models/manageiq/providers/ovirt/infra_manager/ovirt_services.rb

@@ -352,7 +352,8 @@ def advertised_images
 
         sd_service = ems_service.system_service.storage_domains_service.storage_domain_service(iso_sd.id)
         iso_images = sd_service.files_service.list
-        iso_images.collect(&:name)
+
+        iso_images
       end
     rescue OvirtSDK4::Error => err
       name = ext_management_system.try(:name)

app/models/manageiq/providers/ovirt/inventory/collector/infra_manager.rb

@@ -42,6 +42,10 @@ def templates
     collected_inventory[:template]
   end
 
+  def advertised_images
+    manager.ovirt_services.advertised_images
+  end
+
   def collect_networks
     collected_inventory[:network]
   end

app/models/manageiq/providers/ovirt/inventory/collector/target_collection.rb

@@ -150,6 +150,10 @@ def templates
     t
   end
 
+  def advertised_images
+    []
+  end
+
   def parse_targets!
     target.targets.each do |t|
       case t

app/models/manageiq/providers/ovirt/inventory/parser/infra_manager.rb

@@ -11,6 +11,7 @@ def parse
     vms
     networks
     vnic_profiles
+    advertised_images
 
     $rhevm_log.info("#{log_header}...Complete")
   end
@@ -85,7 +86,7 @@ def storagedomains
       storage_type = storagedomain.dig(:storage, :type).upcase
       ems_ref = ManageIQ::Providers::Ovirt::InfraManager.make_ems_ref(storagedomain.try(:href))
       location = case storage_type
-                 when 'LOCALFS'
+                 when 'LOCALFS', 'ISO'
                    ems_ref
                  when 'NFS', 'GLUSTERFS'
                    "#{storagedomain.dig(:storage, :address)}:#{storagedomain.dig(:storage, :path)}"
@@ -98,17 +99,32 @@ def storagedomains
       total       = free + used
       committed   = storagedomain.try(:committed).to_i
 
+      storage_domain_type = storagedomain.dig(:type, :downcase)
+      type = storage_domain_type == 'iso' ? "IsoDatastore" : "Storage"
+
       persister.storages.find_or_build(ems_ref).assign_attributes(
         :ems_ref             => ems_ref,
         :name                => storagedomain.try(:name),
         :store_type          => storage_type,
-        :storage_domain_type => storagedomain.dig(:type, :downcase),
+        :storage_domain_type => storage_domain_type,
         :total_space         => total,
         :free_space          => free,
         :uncommitted         => total - committed,
         :multiplehostaccess  => true,
         :location            => location,
-        :master              => storagedomain.try(:master)
+        :master              => storagedomain.try(:master),
+        :type                => "ManageIQ::Providers::Ovirt::InfraManager::#{type}"
+      )
+    end
+  end
+
+  def advertised_images
+    collector.advertised_images.each do |image|
+      parent_ems_ref = ManageIQ::Providers::Ovirt::InfraManager.make_ems_ref(image.dig(:storage_domain, :href))
+
+      persister.iso_images.build(
+        :name    => image.name,
+        :storage => persister.storages.lazy_find(parent_ems_ref)
       )
     end
   end

app/models/manageiq/providers/ovirt/inventory/persister/infra_manager.rb

@@ -21,6 +21,7 @@ def initialize_inventory_collections
     add_collection(infra, :networks)
     add_collection(infra, :operating_systems)
     add_collection(infra, :vms)
+    add_collection(infra, :iso_images)
 
     add_miq_templates
     add_resource_pools

spec/factories/iso_datastore.rb

@@ -0,0 +1,3 @@
+FactoryBot.define do
+  factory :iso_datastore, :class => 'ManageIQ::Providers::Ovirt::InfraManager::IsoDatastore', :parent => :storage_redhat
+end

spec/models/manageiq/providers/ovirt/infra_manager/iso_datastore_spec.rb

@@ -0,0 +1,31 @@
+RSpec.describe ManageIQ::Providers::Ovirt::InfraManager::IsoDatastore do
+  include Spec::Support::ArelHelper
+
+  let(:ems) { FactoryBot.create(:ems_redhat) }
+  let(:iso_datastore) { FactoryBot.create(:iso_datastore, :ext_management_system => ems, :name => ems.name) }
+
+  describe "#advertised_images" do
+    subject(:advertised_images) { ems.ovirt_services.advertised_images }
+
+    context "ems is rhv" do
+      context "supports api4" do
+        it "send the method to ovirt services v4" do
+          expect_any_instance_of(ManageIQ::Providers::Redhat::InfraManager::OvirtServices::V4)
+            .to receive(:advertised_images)
+          advertised_images
+        end
+      end
+    end
+
+    describe "#name" do
+      it "has a name" do
+        expect(iso_datastore.name).to eq(ems.name)
+      end
+
+      it "fetches name via sql" do
+        iso_datastore
+        expect(virtual_column_sql_value(Storage, "name")).to eq(ems.name)
+      end
+    end
+  end
+end

spec/models/manageiq/providers/ovirt/infra_manager/ovirt_services/v4_spec.rb

@@ -40,7 +40,8 @@
       context "there are iso domains attached to the data-center" do
         context "there are active iso domains" do
           it 'returns iso images from an active domain' do
-            expect(advertised_images).to match_array(%w[iso_1 iso_2])
+            res = advertised_images.map { |img| img.name  }
+            expect(res).to match_array(%w[iso_1 iso_2])
           end
         end