Riemann Feeds blog_feed_jmx2.jmxbeanconfigOperatingSystem.rb

blog_feed_jmx2_jmxbeanconfigOperatingSystem.rb

# riemann feeds

# jmxbeanconfigOperatingSystem

# Some normalisation stuff

bytes2GB = (1024 * 1024 * 1024).to_f
bytes_2_gigabytes = ->(b) { b.to_f / bytes2GB }

{ bean_name:  'java.lang:type=OperatingSystem',
  event_defaults: { tags: ['OS'] },
  attributes: {
  include: ['free_physical_memory_size',
            'free_swap_space_size',
            'total_swap_space_size',
            'system_load_average',
            'available_processors'
             ],
   definitions: {
     'free_physical_memory_size' =>
        { event_defaults: { tags: ['FreeMem']},  # more tags
          metric: bytes_2_gigabytes,
          select: ->(e) {(r = e[:metric]) ? (r < 1.0) : true},  # only pass through events where free memory less than 1GB
          map: ->(e) {e[:status] = 'critical'; e },
         },
       }
     }
}