Module: LogsVisualizer

Defined in:
lib/logs_visualizer.rb,
lib/logs_visualizer/version.rb

Constant Summary collapse

VERSION = 
"0.1.0"

Class Method Summary collapse

Class Method Details

.populate_data(logs_text, options = {}) ⇒ Object 



18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
 
# File 'lib/logs_visualizer.rb', line 18

def self.populate_data(logs_text, options = {})
  data = { :nodes => [] }

  logs_text.split('Started ').each do |action|
    if action.present? && action != ""
      action_parsed = /(?<action>.*) for/.match(action)[:action]
      rendered_partials = []
      service_requests = []
      service_times = []
      compiled_assets = []
      sql_insertions = []
      sql_selections = []
      sql_updates = []
      serializers = []

      unless /.*\"\/assets.*/.match(action_parsed)
        action.split("\r\n").each do |log_line|
          partial_in_line = /Rendered (?<partial>(\S)*).*\((?<time>(\S)*)ms/.match(log_line)
          service_request_in_line = /\[httplog\] Sending: (?<service>.*)/.match(log_line)
          service_time_in_line = /\[httplog\] Benchmark: (?<time>\S*)/.match(log_line)
          compiled_asset_in_line = /Compiled (?<asset>(\S)*).*\((?<time>\S*)ms\)/.match(log_line)
          sql_insertion_in_line = /SQL.*\((?<time>\S*)ms\).*INSERT INTO (?<table>(\S)*)/.match(log_line)
          sql_select_in_line = /\((?<time>\S*)ms\).*SELECT .* FROM (?<table>(\S)*)/.match(log_line)
          sql_update_in_line = /\((?<time>\S*)ms\).*UPDATE (?<table>(\S)*)/.match(log_line)
          serializer_in_line = /\[active_model_serializers\] Rendered (?<serializer>\S*) with .* \((?<time>\S*)ms\)/.match(log_line)

          if partial_in_line.present? && (options[:rendered_partials] == true || options[:all] == true)
            rendered_partials << { :partial => partial_in_line[:partial], :time => partial_in_line[:time].to_f }
          end

          if service_time_in_line.present? && (options[:service_requests] == true || options[:all] == true)
            service_times << service_time_in_line[:time].to_f
          end

          if service_request_in_line.present? && (options[:service_requests] == true || options[:all] == true)
            service_requests << service_request_in_line[:service]
          end

          if compiled_asset_in_line.present? && (options[:compiled_assets] == true || options[:all] == true)
            compiled_assets << { :asset => compiled_asset_in_line[:asset], :time => compiled_asset_in_line[:time].to_f }
          end

          if sql_insertion_in_line.present? && (options[:sql_visualization] == true || options[:all] == true)
            sql_insertions <<  { :table => sql_insertion_in_line[:table], :time => sql_insertion_in_line[:time].to_f }
          end

          if sql_select_in_line.present? && (options[:sql_visualization] == true || options[:all] == true)
            sql_selections << { :table => sql_select_in_line[:table], :time => sql_select_in_line[:time].to_f }
          end

          if sql_update_in_line.present? && (options[:sql_visualization] == true || options[:all] == true)
            sql_updates << { :table => sql_update_in_line[:table], :time => sql_update_in_line[:time].to_f }
          end

          if serializer_in_line.present? && (options[:serializers] == true || options[:all] == true)
            serializers << { :serializer => serializer_in_line[:serializer], :time => serializer_in_line[:time].to_f }
          end
        end

        controller_processing_request = /Processing by (?<controller>.*) as/.match(action)[:controller]
        redirect_to_url = /Redirected to (?<redirect_url>(\S)*)/.match(action)

        if data[:nodes].size > 0 && (data[:nodes].map { |node| node[:label] }.include? action_parsed)
          data[:nodes].map { |node| node[:size] += 1 if node[:label] == action_parsed }
        else
          services = []

          service_requests.each_with_index do |service, index|
            services << { :service => service, :time => service_times[index] }
          end

          data[:nodes] << {
              :size => 1,
              :label => action_parsed,
              :controller => controller_processing_request,
              :redirect => (URI(redirect_to_url[:redirect_url]) if redirect_to_url.present? ),
              :rendered_partials => rendered_partials.group_by { |x| x[:partial] },
              :service_requests => services,
              :compiled_assets => compiled_assets.group_by { |x| x[:asset] },
              :sql_insertions => sql_insertions.group_by { |x| x[:table] },
              :sql_selections => sql_selections.group_by { |x| x[:table] },
              :sql_updates => sql_updates.group_by { |x| x[:table] },
              :serializers => serializers.group_by { |x| x[:serializer] },
          }
        end
      end
    end
  end

  data
end

.populate_graph(graph, data, graph_name = nil) ⇒ Object 



110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
 
# File 'lib/logs_visualizer.rb', line 110

def self.populate_graph(graph, data, graph_name = nil)
  if data[:nodes].present?
    data[:nodes].each do |node|
      node[:graph_node] = graph.add_nodes(node[:label], :label => "<<b>#{node[:label].gsub('&', '%26')}</b><br/><i>#{node[:controller]}</i>>")

      maximum_rendered_time = node[:rendered_partials].map { |partial, partials_array| partials_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.max
      maximum_sql_insertion_time = node[:sql_insertions].map { |array_name, names_array| names_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.max
      maximum_asset_compilation_time = node[:compiled_assets].map { |array_name, names_array| names_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.max
      maximum_sql_selection_time = node[:sql_selections].map { |array_name, names_array| names_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.max
      maximum_sql_update_time = node[:sql_updates].map { |array_name, names_array| names_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.max
      maximum_service_time = node[:service_requests].group_by { |x| x[:service] }.map { |service, services_array| (services_array.inject(0){|sum,x| sum + x[:time] } * 1000).round(2) }.max
      maximum_serializer_time = node[:serializers].map { |array_name, names_array| (names_array.inject(0){|sum,x| sum + x[:time] }).round(2) }.max

      minimum_rendered_time = node[:rendered_partials].map { |partial, partials_array| partials_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.min
      minimum_sql_insertion_time = node[:sql_insertions].map { |array_name, names_array| names_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.min
      minimum_asset_compilation_time = node[:compiled_assets].map { |array_name, names_array| names_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.min
      minimum_sql_selection_time = node[:sql_selections].map { |array_name, names_array| names_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.min
      minimum_sql_update_time = node[:sql_updates].map { |array_name, names_array| names_array.inject(0){|sum,x| sum + x[:time] }.round(2) }.min
      minimum_service_time = node[:service_requests].group_by { |x| x[:service] }.map { |service, services_array| (services_array.inject(0){|sum,x| sum + x[:time] } * 1000).round(2) }.min
      minimum_serializer_time = node[:serializers].map { |service, services_array| (services_array.inject(0){|sum,x| sum + x[:time] }).round(2) }.min

      node[:rendered_partials].each do |partial, partials_array|
        partial_node = graph.add_nodes(partial, :shape => :component)
        total_time = partials_array.inject(0){|sum,x| sum + x[:time] }.round(2)
        if maximum_rendered_time == total_time
          graph.add_edges( node[:graph_node], partial_node, :label => "<<i>Renders<br/>(#{partials_array.size} times)<br/>in <b>#{partials_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'red', :fontcolor => 'red')
        elsif minimum_rendered_time == total_time
          graph.add_edges( node[:graph_node], partial_node, :label => "<<i>Renders<br/>(#{partials_array.size} times)<br/>in <b>#{partials_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'darkgreen', :fontcolor => 'darkgreen')
        else
          graph.add_edges( node[:graph_node], partial_node, :label => "<<i>Renders<br/>(#{partials_array.size} times)<br/>in #{partials_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</i>>")
        end
      end

      if node[:redirect].present?
        graph.add_edges( node[:graph_node], "GET \"#{node[:redirect].path}\"", :label => "<<i>Redirects to</i>>")
      end

      node[:compiled_assets].each do |asset, assets_array|
        asset_node = graph.add_nodes(asset, :shape => :folder)
        total_time = assets_array.inject(0){|sum,x| sum + x[:time] }.round(2)
        if maximum_asset_compilation_time == total_time
          graph.add_edges( node[:graph_node], asset_node, :label => "<<i>Compiles asset<br/>(#{assets_array.size} times)<br/>in <b>#{assets_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'red', :fontcolor => 'red')
        elsif minimum_asset_compilation_time == total_time
          graph.add_edges( node[:graph_node], asset_node, :label => "<<i>Compiles asset<br/>(#{assets_array.size} times)<br/>in <b>#{assets_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'darkgreen', :fontcolor => 'darkgreen')
        else
          graph.add_edges( node[:graph_node], asset_node, :label => "<<i>Compiles asset<br/>(#{assets_array.size} times)<br/>in #{assets_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</i>>")
        end
      end

      node[:serializers].each do |name, serializers_array|
        graph_node = graph.add_nodes(name, :shape => :msquare)
        total_time = serializers_array.inject(0){|sum,x| sum + x[:time] }.round(2)

        if maximum_serializer_time == total_time
          graph.add_edges( node[:graph_node], graph_node, :label => "<<i>Serializes through<br/>(#{serializers_array.size} times)<br/>in <b>#{serializers_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'red', :fontcolor => 'red')
        elsif minimum_serializer_time == total_time
          graph.add_edges( node[:graph_node], graph_node, :label => "<<i>Serializes through<br/>(#{serializers_array.size} times)<br/>in <b>#{serializers_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'darkgreen', :fontcolor => 'darkgreen')
        else
          graph.add_edges( node[:graph_node], graph_node, :label => "<<i>Serializes through<br/>(#{serializers_array.size} times)<br/>in #{serializers_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</i>>")
        end
      end

      node[:sql_insertions].each do |array_name, names_array|
        array_node = graph.add_nodes(array_name, :shape => :box3d)
        total_time = names_array.inject(0){|sum,x| sum + x[:time] }.round(2)
        if maximum_sql_insertion_time == total_time
          graph.add_edges( node[:graph_node], array_node, :label => "<<i>Inserts into<br/>(#{names_array.size} times)<br/>in <b>#{names_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'red', :fontcolor => 'red')
        elsif minimum_sql_insertion_time == total_time
          graph.add_edges( node[:graph_node], array_node, :label => "<<i>Inserts into<br/>(#{names_array.size} times)<br/>in <b>#{names_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'darkgreen', :fontcolor => 'darkgreen')
        else
          graph.add_edges( node[:graph_node], array_node, :label => "<<i>Inserts into<br/>(#{names_array.size} times)<br/>in #{names_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</i>>")
        end
      end

      node[:sql_selections].each do |array_name, names_array|
        array_node = graph.add_nodes(array_name, :shape => :box3d)
        total_time = names_array.inject(0){|sum,x| sum + x[:time] }.round(2)
        if maximum_sql_selection_time == total_time
          graph.add_edges( node[:graph_node], array_node, :label => "<<i>Selects from<br/>(#{names_array.size} times)<br/>in <b>#{names_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'red', :fontcolor => 'red')
        elsif minimum_sql_selection_time == total_time
          graph.add_edges( node[:graph_node], array_node, :label => "<<i>Selects from<br/>(#{names_array.size} times)<br/>in <b>#{names_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'darkgreen', :fontcolor => 'darkgreen')
        else
          graph.add_edges( node[:graph_node], array_node, :label => "<<i>Selects from<br/>(#{names_array.size} times)<br/>in #{names_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</i>>")
        end
      end

      node[:sql_updates].each do |array_name, names_array|
        array_node = graph.add_nodes(array_name, :shape => :box3d)
        total_time = names_array.inject(0){|sum,x| sum + x[:time] }.round(2)
        if maximum_sql_update_time == total_time
          graph.add_edges( node[:graph_node], array_node, :label => "<<i>Updates<br/>(#{names_array.size} times)<br/>in <b>#{names_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'red', :fontcolor => 'red')
        elsif minimum_sql_update_time == total_time
          graph.add_edges( node[:graph_node], array_node, :label => "<<i>Updates<br/>(#{names_array.size} times)<br/>in <b>#{names_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</b></i>>", :color => 'darkgreen', :fontcolor => 'darkgreen')
        else
          graph.add_edges( node[:graph_node], array_node, :label => "<<i>Updates<br/>(#{names_array.size} times)<br/>in #{names_array.inject(0){|sum,x| sum + x[:time] }.round(2)}ms</i>>")
        end
      end

      node[:service_requests].
          map { |service| {:service => URI(service[:service].split(' ')[1]).host, :time => service[:time]} }.
          group_by { |x| x[:service] }.
          each do |service, services_array|

        service_node = graph.add_nodes(service, :shape => :note)
        graph.add_edges( node[:graph_node], service_node, :label => "<<i>Requests<br/>(#{services_array.size} times)<br/>in #{(services_array.inject(0){|sum,x| sum + x[:time] } * 1000).round(2)}ms</i>>")
      end

      node[:service_requests].group_by { |x| x[:service] }.each do |service, services_array|
        service_split = service.split(' ')
        full_service_node = graph.add_nodes("#{service_split[0]} #{[URI(service.split(' ')[1]).path, URI(service.split(' ')[1]).query.presence].reject { |x| x.blank? }.join('?')}", :shape => :note)
        total_time = (services_array.inject(0){|sum,x| sum + x[:time] } * 1000).round(2)

        if total_time == maximum_service_time
          graph.add_edges( URI(service.split(' ')[1]).host, full_service_node, :label => "<<i>Includes requests to<br/>(#{services_array.size} times)<br/>in <b>#{(services_array.inject(0){|sum,x| sum + x[:time] } * 1000).round(2)}ms</b></i>>", :color => 'red', :fontcolor => 'red')
        elsif total_time == minimum_service_time
          graph.add_edges( URI(service.split(' ')[1]).host, full_service_node, :label => "<<i>Includes requests to<br/>(#{services_array.size} times)<br/>in <b>#{(services_array.inject(0){|sum,x| sum + x[:time] } * 1000).round(2)}ms</b></i>>", :color => 'darkgreen', :fontcolor => 'darkgreen')
        else
          graph.add_edges( URI(service.split(' ')[1]).host, full_service_node, :label => "<<i>Includes requests to<br/>(#{services_array.size} times)<br/>in #{(services_array.inject(0){|sum,x| sum + x[:time] } * 1000).round(2)}ms</i>>")
        end
      end
    end

    directory_name = 'graphs'
    FileUtils.mkdir_p(directory_name) unless File.directory?(directory_name)
    graph.output(:png => "#{directory_name}/#{graph_name.present? ? graph_name : "graph_#{DateTime.now.strftime('%H%M%S%L')}" }.png" )
  end
end

.produce_graph(string_input, graph_name = nil, options = {}) ⇒ Object 



4
5
6
7
8
9
10
11
12
 
# File 'lib/logs_visualizer.rb', line 4

def self.produce_graph(string_input, graph_name = nil, options = {})
  if string_input.present?
    g = GraphViz::new( :G, :type => :digraph )
    g[:rankdir] ='LR'

    data = populate_data string_input, options
    populate_graph g, data, graph_name
  end
end