Class: Bipbip::Plugin::Mongodb

Inherits:
Bipbip::Plugin show all
Defined in:
lib/bipbip/plugin/mongodb.rb

Instance Attribute Summary

Attributes inherited from Bipbip::Plugin

#config, #metric_group, #name, #pid

Instance Method Summary collapse

Methods inherited from Bipbip::Plugin

factory, #frequency, #initialize, #interrupt, #interrupted?, #metrics_names, #run, #source_identifier

Methods included from InterruptibleSleep

#interrupt_sleep, #interruptible_sleep

Constructor Details

This class inherits a constructor from Bipbip::Plugin

Instance Method Details

#metrics_schema ⇒ Object 



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# File 'lib/bipbip/plugin/mongodb.rb', line 7

def metrics_schema
  [
      {:name => 'flushing_last_ms', :type => 'gauge', :unit => 'ms'},
      {:name => 'btree_misses', :type => 'gauge', :unit => 'misses'},
      {:name => 'op_inserts', :type => 'counter'},
      {:name => 'op_queries', :type => 'counter'},
      {:name => 'op_updates', :type => 'counter'},
      {:name => 'op_deletes', :type => 'counter'},
      {:name => 'op_getmores', :type => 'counter'},
      {:name => 'op_commands', :type => 'counter'},
      {:name => 'connections_current', :type => 'gauge'},
      {:name => 'mem_resident', :type => 'gauge', :unit => 'MB'},
      {:name => 'mem_mapped', :type => 'gauge', :unit => 'MB'},
      {:name => 'mem_pagefaults', :type => 'counter', :unit => 'faults'},
      {:name => 'globalLock_currentQueue', :type => 'gauge'},
      {:name => 'replication_lag', :type => 'gauge', :unit => 'Seconds'},
      {:name => 'slow_queries_count', :type => 'gauge_f', :unit => 'Queries'},
      {:name => 'slow_queries_time_avg', :type => 'gauge_f', :unit => 'Seconds'},
      {:name => 'slow_queries_time_max', :type => 'gauge_f', :unit => 'Seconds'},
  ]
end

#monitor ⇒ Object 



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# File 'lib/bipbip/plugin/mongodb.rb', line 29

def monitor
  @mongodb_client = nil

  status = fetch_server_status
  slow_queries_status = fetch_slow_queries_status

  data = {}

  if status['indexCounters']
    data['btree_misses'] = status['indexCounters']['misses'].to_i
  end
  if status['backgroundFlushing']
    data['flushing_last_ms'] = status['backgroundFlushing']['last_ms'].to_i
  end
  if status['opcounters']
    data['op_inserts'] = status['opcounters']['insert'].to_i
    data['op_queries'] = status['opcounters']['query'].to_i
    data['op_updates'] = status['opcounters']['update'].to_i
    data['op_deletes'] = status['opcounters']['delete'].to_i
    data['op_getmores'] = status['opcounters']['getmore'].to_i
    data['op_commands'] = status['opcounters']['command'].to_i
  end
  if status['connections']
    data['connections_current'] = status['connections']['current'].to_i
  end
  if status['mem']
    data['mem_resident'] = status['mem']['resident'].to_i
    data['mem_mapped'] = status['mem']['mapped'].to_i
  end
  if status['extra_info']
    data['mem_pagefaults'] = status['extra_info']['page_faults'].to_i
  end
  if status['globalLock'] && status['globalLock']['currentQueue']
    data['globalLock_currentQueue'] = status['globalLock']['currentQueue']['total'].to_i
  end
  if status['repl'] && status['repl']['secondary'] == true
    data['replication_lag'] = replication_lag
  end

  data['slow_queries_count'] = slow_queries_status['total']['count']
  data['slow_queries_time_avg'] = slow_queries_status['total']['count'] > 0 ? (slow_queries_status['total']['time'].to_f/slow_queries_status['total']['count'].to_f) : 0
  data['slow_queries_time_max'] = slow_queries_status['max']['time']

  data
end