Class: Fpm

Inherits:
Object
  • Object
show all
Includes:
Mongoid::Attributes::Dynamic, Mongoid::Document, Mongoid::Timestamps
Defined in:
lib/app/models/fpm.rb

Class Method Summary collapse

Class Method Details

.axes ⇒ Object 



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# File 'lib/app/models/fpm.rb', line 115

def self.axes
  [
    {
	:name => 'valueAxis1',
      :title => 'Accepted connections per second',
	:position => 'right',
      :min_max_multiplier => 1,
      :grid_alpha => 0.07,
      :include_guides_in_min_max => 'true',
      :stack_type => "none"
    },
    {
	:name => 'valueAxis2',
      :title => 'Active processes',
	:position => 'left',
      :grid_alpha => 0.07,
      :min_max_multiplier => 1,
      :include_guides_in_min_max => 'true',
      :stack_type => "regular"
    }
  ]

end

.chart_data(options = {}) ⇒ Object 



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# File 'lib/app/models/fpm.rb', line 8

def self.chart_data(options = {})
  charts = self.fpms_charts(options)
  return charts
end

.fpm_chart(pool, values) ⇒ Object 



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# File 'lib/app/models/fpm.rb', line 25

def self.fpm_chart(pool, values)
  max_active_processes = 0
  chart_data = {
             :value_axes => self.axes,
             :graph_data => [],
             :graphs => self.graphs,
             :title => "#{pool} FPM pool statistic",
      :category_field => 'timestamp',
             :title_size => 20,
      :guides => {}
           }

  prev = nil
  values.each do |value|
    temp = {}
   
    if prev.nil? then
      prev = value 
      next
    end

    time_diff = value[:timestamp].to_i - prev[:timestamp].to_i
    accepted_connections_per_sec = ((value[:accepted_connections] - prev[:accepted_connections])/time_diff.to_f).round(3)
    #Interpolation of no data intervals
    if accepted_connections_per_sec < 0
      prev = value
      next
    end
     
    max_active_processes = value[:processes_active_max] if value[:processes_active_max] > max_active_processes

    temp = {'timestamp' => value[:timestamp]}
    temp[:processes_active] = value[:processes_active]
    temp[:processes_idle] = value[:processes_idle]
    temp[:accepted_connections_per_sec] = accepted_connections_per_sec.to_f
    prev = value
    chart_data[:graph_data] << temp
  end
  chart_data[:guides] = [
    {
      :value => max_active_processes,
      :value_axis => 'valueAxis2',
      :line_color => "#FF0000",
      :line_thickness => 1,
      :dash_length => 5,
      :label => "Max processes",
      :inside => 'true',
      :line_alpha => 1,
      :position => 'bottom',
    }
  ]
  
  return chart_data
end

.fpms_charts(options = {}) ⇒ Object 



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# File 'lib/app/models/fpm.rb', line 13

def self.fpms_charts(options = {})
  charts = []
  Fpm.where(:timestamp.gte => options[:start]).
      where(:timestamp.lt => options[:end]).
	where(:host_id => options[:host_id]).
	where(:plugin_id => options[:plugin_id]).
	order_by(timestamp: :asc).group_by{|u| u.pool}.each_pair do |pool, values|
    charts << self.fpm_chart(pool,values)
  end
  return charts
end

.graphs ⇒ Object 



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# File 'lib/app/models/fpm.rb', line 80

def self.graphs
  [
   { :value_field => "processes_active",
	:graph_type => 'line',
     :hidden => false,
     :balloon_text => "[[title]]: ([[value]])",
     :line_color => "#FF0000",
     :line_thickness => 1,
     :line_alpha => 1,
     :fill_alphas => 0.6,
     :title => "Active Processes",
     :value_axis => "valueAxis2"},
   { :value_field => "processes_idle",
	:graph_type => 'line',
     :hidden => false,
     :balloon_text => "[[title]]: ([[value]])",
     :line_color => "#00FF00",
     :line_thickness => 1,
     :line_alpha => 1,
     :fill_alphas => 0.6,
     :title => "Idle processes",
     :value_axis => "valueAxis2"},
   { :value_field => "accepted_connections_per_sec",
     :graph_type => 'line',
     :hidden => false,
     :balloon_text => "[[title]]: ([[value]])",
     :line_color => "#0000FF",
     :line_thickness => 3,
     :line_alpha => 1,
     :fill_alphas => 0,
     :title => "Accepted connections per second",
     :value_axis => "valueAxis1"},
  ]
end