Convert Container quotas to numeric values

app/models/container_quota_item.rb

@@ -1,3 +1,25 @@
 class ContainerQuotaItem < ApplicationRecord
   belongs_to :container_quota
+
+  virtual_column :quota_desired_display,  :type => :string
+  virtual_column :quota_enforced_display, :type => :string
+  virtual_column :quota_observed_display, :type => :string
+
+  def quota_desired_display
+    quota_display(quota_desired)
+  end
+
+  def quota_enforced_display
+    quota_display(quota_enforced)
+  end
+
+  def quota_observed_display
+    quota_display(quota_observed)
+  end
+
+  private
+
+  def quota_display(quota)
+    (quota % 1).zero? ? quota.to_i.to_s : quota.to_s
+  end
 end

spec/models/container_quota_item_spec.rb

@@ -0,0 +1,23 @@
+describe ContainerQuotaItem do
+  it "converts float to string" do
+    quota_item = ContainerQuotaItem.new(:resource       => 'cpu',
+                                        :quota_desired  => 4.2,
+                                        :quota_enforced => 1.99,
+                                        :quota_observed => 0.01)
+
+    expect(quota_item).to have_attributes(:quota_desired_display  => '4.2',
+                                          :quota_enforced_display => '1.99',
+                                          :quota_observed_display => '0.01')
+  end
+
+  it "rounds float to int" do
+    quota_item = ContainerQuotaItem.new(:resource       => 'pods',
+                                        :quota_desired  => 42.0,
+                                        :quota_enforced => 1.0,
+                                        :quota_observed => 0.0)
+
+    expect(quota_item).to have_attributes(:quota_desired_display  => '42',
+                                          :quota_enforced_display => '1',
+                                          :quota_observed_display => '0')
+  end
+end