class Leafy::Rack::Metrics

Constants

WRITER

Public Class Methods

new(app, registry, path = '/metrics') click to toggle source
# File leafy-rack/lib/leafy/rack/metrics.rb, line 20
def initialize(app, registry, path = '/metrics')
  @app = app
  @path = path
  @registry = registry
end
response( metrics, env ) click to toggle source
# File leafy-rack/lib/leafy/rack/metrics.rb, line 11
def self.response( metrics, env )
  [ 
   200, 
   { 'Content-Type' => 'application/json',
     'Cache-Control' => 'must-revalidate,no-cache,no-store' }, 
   [ WRITER.to_json( metrics, env[ 'QUERY_STRING' ] == 'pretty' ) ]
  ]
end

Public Instance Methods

call(env) click to toggle source
# File leafy-rack/lib/leafy/rack/metrics.rb, line 26
def call(env)
  if env['PATH_INFO'] == @path
    Metrics.response( @registry.metrics, env )
  else
    @app.call( env )
  end
end