Add debug logging to identify container/image ID mismatch

Author: chorrell

spec/spec_helper.rb

@@ -15,11 +15,21 @@ def create_image(version)
 
   def delete_image
     puts "Deleting image..."
+    puts "Image ID to delete: #{@image.id}"
+    
     # Stop and remove only containers created from this image
     Docker::Container.all(:all => true).each do |container|
-      image_id = container.info['Image']
+      container_image = container.info['Image']
+      container_image_id = container.info['ImageID']
+      
+      puts "Container #{container.id[0..11]}: Image=#{container_image}, ImageID=#{container_image_id}"
+      
       # Match both short and long image IDs
-      if image_id == @image.id || image_id == @image.id[0..11] || container.info['ImageID'] == @image.id
+      if container_image == @image.id || 
+         container_image == @image.id[0..11] || 
+         container_image_id == @image.id ||
+         container_image_id == @image.id[0..11]
+        puts "  -> Matches! Removing container #{container.id[0..11]}"
         begin
           container.stop unless container.info['State'] == 'exited'
           container.delete(:force => true)