add openshift_container_images to openshift provider

also process ems_ref for openshift_container_images

app/models/manageiq/providers/openshift/container_image.rb

@@ -0,0 +1,13 @@
+class ManageIQ::Providers::Openshift::ContainerImage < ContainerImage
+  acts_as_miq_taggable
+  include NewWithTypeStiMixin
+
+  def annotate_deny_execution(causing_policy)
+    ext_management_system.annotate(
+      "image",
+      digest,
+      "security.manageiq.org/failed-policy" => causing_policy,
+      "images.openshift.io/deny-execution"  => "true"
+    )
+  end
+end

app/models/manageiq/providers/openshift/container_manager.rb

@@ -8,6 +8,8 @@ class ManageIQ::Providers::Openshift::ContainerManager < ManageIQ::Providers::Co
   require_nested :RefreshWorker
   require_nested :Refresher
 
+  has_many :openshift_container_images, :foreign_key => :ems_id, :dependent => :destroy
+
   def self.ems_type
     @ems_type ||= "openshift".freeze
   end

app/models/manageiq/providers/openshift/container_manager/refresh_parser.rb

@@ -175,6 +175,9 @@ def parse_openshift_image(openshift_image)
         ref = "#{ContainerImage::DOCKER_PULLABLE_PREFIX}#{id}"
         new_result = parse_container_image(id, ref)
 
+        new_result[:ems_ref] = openshift_image.metadata.uid
+        new_result[:type] = 'ManageIQ::Providers::Openshift::ContainerImage'
+
         if openshift_image[:dockerImageManifest].present?
           begin
             json = JSON.parse(openshift_image[:dockerImageManifest])

spec/models/manageiq/providers/openshift/container_manager/refresher_spec.rb

@@ -1,6 +1,8 @@
 describe ManageIQ::Providers::Openshift::ContainerManager::Refresher do
   let(:all_images_count) { 40 } # including /oapi/v1/images data
   let(:pod_images_count) { 12 } # only images mentioned by pods
+  let(:images_managed_by_openshift_count) { 32 } # only images from /oapi/v1/images
+  let(:images_NOT_managed_by_openshift_count) { 8 } # images only from pod and not /oapi/v1/images
 
   before(:each) do
     allow(MiqServer).to receive(:my_zone).and_return("default")
@@ -141,6 +143,8 @@ def assert_table_counts
     expect(ContainerTemplate.count).to eq(26)
     expect(ContainerImage.count).to eq(all_images_count)
     expect(ContainerImage.joins(:containers).distinct.count).to eq(pod_images_count)
+    expect(ManageIQ::Providers::Openshift::ContainerImage.count).to eq(images_managed_by_openshift_count)
+    expect(BasicContainerImage.count).to eq(images_NOT_managed_by_openshift_count)
   end
 
   def assert_ems