app/models/container_performance.rb
class ContainerPerformance < MetricRollup
default_scope { where(:resource_type => 'Container').where.not(:resource_id => nil) }
belongs_to :container_node, :foreign_key => :resource_id, :class_name => "Container"
def self.display_name(number = 1)
n_('Performance - Container', 'Performance - Containers', number)
end
end