Class: Xen

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

Class Method Summary collapse

Class Method Details

.axes_defaults ⇒ Object 



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# File 'lib/app/models/xen.rb', line 96

def self.axes_defaults
  []
end

.chart_data(options = {}) ⇒ Object 



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# File 'lib/app/models/xen.rb', line 10

def self.chart_data(options = {})
  charts = []

  charts << self.memory_chart(options)
end

.graphs_defaults ⇒ Object 



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# File 'lib/app/models/xen.rb', line 92

def self.graphs_defaults
 []
end

.memory_chart(options) ⇒ Object 



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# File 'lib/app/models/xen.rb', line 57

def self.memory_chart(options)
  memory = {
             :value_axes => [
                 { 
	    :name => "valueAxis1",
	    :title => 'Memory in KB',
	    :position => 'left',
	    :stack_type => 'regular',
	    :grid_alpha => 0.07,
	    :min_max_multiplier => 1,
                          :include_guides_in_min_max => 'true'
	  }
	],
      :category_field => 'timestamp',
             :graph_data => [],
      :graphs => [],
      :title => "XEN memory usage",
      :title_size => 20
    }
  graphs = []
  all_stats = Xen.where( {:timestamp => { :$gte => options[:start],:$lt => options[:end]}, :host_id => options[:host_id], :plugin_id => options[:plugin_id] }).order(:timestamp).group_by{|u| u.domain}
  tmp = {}
  Xen.where( {:timestamp => { :$gte => options[:start],:$lt => options[:end]}, :host_id => options[:host_id], :plugin_id => options[:plugin_id] }).order(:timestamp).group_by{|u| u.domain}.each_pair do |domain,stats|
    stats.each do |stat|
      tmp[stat['timestamp']] ||= { 'timestamp' => stat['timestamp'] }
      tmp[stat['timestamp']] = tmp[stat['timestamp']].merge!({ stat['domain'] => stat['memory']})
    end
  end
  memory[:graph_data] = tmp.values
  all_stats.keys.each do |domain|
    memory[:graphs] << { :value_axis => 'valueAxis1', :value_field => domain, :balloon_text => "[[title]]: [[value]] KB", :line_thickness => 1, :line_alpha => 1, :fill_alphas => 1, :graph_type => 'line' }
  end
  memory
end

.vbd_chart(options) ⇒ Object 



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# File 'lib/app/models/xen.rb', line 16

def self.vbd_chart(options)
  memory = {
             :value_axes => [
                 { 
	    :name => "valueAxis1",
	    :title => 'Memory in KB',
	    :position => 'left',
	    :stack_type => 'regular',
	    :grid_alpha => 0.07,
	    :min_max_multiplier => 1,
                          :include_guides_in_min_max => 'true'
	  }
	],
      :category_field => 'timestamp',
             :graph_data => [],
      :graphs => [],
      :title => "XEN memory usage",
      :title_size => 20
    }
  graphs = []
  # TODO - why use periods in this query
  Xen.where(:timestamp.gte => options[:start]).
      where(:timestamp.lt => options[:end]).
	where(:ip_address => options[:ip_address]).
	where(:hostname => options[:hostname]).
	group('UNIX_TIMESTAMP(timestamp) div 60, domain').
	order_by(:timestamp).select('FROM_UNIXTIME((UNIX_TIMESTAMP(timestamp) div 60) *60,\'%Y-%m-%d %H:%i:%S\') as period_start, domain,max(memory) as memory').group_by{|u| u.period_start}.each_pair do |period_start, domains|
   tmp = { :year => period_start.to_datetime.to_i * 1000 }
   #TODO sort
   domains.each do |domain|
     tmp[domain.domain] = domain.memory
     graphs << domain.domain  unless graphs.include?(domain.domain)
   end
   memory[:graph_data] << tmp
 end
  graphs.each do |graph|
    #TODO value_axis
    memory[:graphs] << { :value_axis => 'valueAxis1', :value_field => graph, :balloon_text => "[[title]]: [[value]] KB", :line_thickness => 1, :line_alpha => 1, :fill_alphas => 1, :graph_type => 'line' }
  end
  memory
end