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bin/metrics-logstash-node.rb

Summary

Maintainability
D
2 days
Test Coverage

Method run has a Cognitive Complexity of 37 (exceeds 5 allowed). Consider refactoring.
Open

  def run # rubocop:disable Metrics/AbcSize
    stats = get_logstash_resource('/_node/stats')

    timestamp = Time.now.to_i
    node = stats
Severity: Minor
Found in bin/metrics-logstash-node.rb - About 5 hrs to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Method run has 70 lines of code (exceeds 25 allowed). Consider refactoring.
Open

  def run # rubocop:disable Metrics/AbcSize
    stats = get_logstash_resource('/_node/stats')

    timestamp = Time.now.to_i
    node = stats
Severity: Major
Found in bin/metrics-logstash-node.rb - About 2 hrs to fix

    Consider simplifying this complex logical expression.
    Open

        elsif node.key?('pipelines')
      node['pipelines'].each_key do |pipeline|
        if node['pipelines'][pipeline]['events'].nil? || node['pipelines'][pipeline]['events'] == 'null'
          # Skip
        else
    Severity: Critical
    Found in bin/metrics-logstash-node.rb - About 2 hrs to fix

      Consider simplifying this complex logical expression.
      Open

          if node.key?('pipeline')
      node['pipeline']['events'].each do |key, value|
        metrics["pipeline.events.#{key}"] = value
      end
      Severity: Critical
      Found in bin/metrics-logstash-node.rb - About 1 hr to fix

        Method get_logstash_resource has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
        Open

          def get_logstash_resource(resource)
    headers = {}
    if config[:user] && config[:password]
      auth = 'Basic ' + Base64.encode64("#{config[:user]}:#{config[:password]}").chomp
      headers = { 'Authorization' => auth }
        Severity: Minor
        Found in bin/metrics-logstash-node.rb - About 35 mins to fix

        Cognitive Complexity

        Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

        A method's cognitive complexity is based on a few simple rules:

        • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
        • Code is considered more complex for each "break in the linear flow of the code"
        • Code is considered more complex when "flow breaking structures are nested"

        Further reading

        Similar blocks of code found in 2 locations. Consider refactoring.
        Open

                node['pipelines'][pipeline]['plugins']['outputs'].each do |item|
          item['events'] = {} unless item.key?('events')
          metrics["pipelines.#{pipeline}.plugins.outputs.#{item['name']}.#{item['id']}.events.in"] = item['events']['in'].to_i || 0
          metrics["pipelines.#{pipeline}.plugins.outputs.#{item['name']}.#{item['id']}.events.out"] = item['events']['out'].to_i || 0
          metrics["pipelines.#{pipeline}.plugins.outputs.#{item['name']}.#{item['id']}.events.duration_in_millis"] = item['events']['duration_in_millis'].to_i || 0 # rubocop:disable Metrics/LineLength
        Severity: Major
        Found in bin/metrics-logstash-node.rb and 1 other location - About 2 hrs to fix
        bin/metrics-logstash-node.rb on lines 153..158

        Duplicated Code

        Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

        Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

        When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

        Tuning

        This issue has a mass of 93.

        We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

        The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

        If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

        See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

        Refactorings

        Further Reading

        Similar blocks of code found in 2 locations. Consider refactoring.
        Open

                node['pipelines'][pipeline]['plugins']['inputs'].each do |item|
          item['events'] = {} unless item.key?('events')
          metrics["pipelines.#{pipeline}.plugins.inputs.#{item['name']}.#{item['id']}.events.in"] = item['events']['in'].to_i || 0
          metrics["pipelines.#{pipeline}.plugins.inputs.#{item['name']}.#{item['id']}.events.out"] = item['events']['out'].to_i || 0
          metrics["pipelines.#{pipeline}.plugins.inputs.#{item['name']}.#{item['id']}.events.queue_push_duration_in_millis"] = item['events']['queue_push_duration_in_millis'].to_i || 0 # rubocop:disable Metrics/LineLength
        Severity: Major
        Found in bin/metrics-logstash-node.rb and 1 other location - About 2 hrs to fix
        bin/metrics-logstash-node.rb on lines 168..173

        Duplicated Code

        Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

        Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

        When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

        Tuning

        This issue has a mass of 93.

        We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

        The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

        If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

        See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

        Refactorings

        Further Reading

        Similar blocks of code found in 2 locations. Consider refactoring.
        Open

              node['pipeline']['plugins']['outputs'].each do |item|
        item['events'] = {} unless item.key?('events')
        metrics["pipeline.plugins.outputs.#{item['name']}.#{item['id']}.events.in"] = item['events']['in'].to_i || 0
        metrics["pipeline.plugins.outputs.#{item['name']}.#{item['id']}.events.out"] = item['events']['out'].to_i || 0
        metrics["pipeline.plugins.outputs.#{item['name']}.#{item['id']}.events.duration_in_millis"] = item['events']['duration_in_millis'].to_i || 0
        Severity: Major
        Found in bin/metrics-logstash-node.rb and 1 other location - About 2 hrs to fix
        bin/metrics-logstash-node.rb on lines 122..128

        Duplicated Code

        Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

        Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

        When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

        Tuning

        This issue has a mass of 82.

        We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

        The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

        If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

        See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

        Refactorings

        Further Reading

        Similar blocks of code found in 2 locations. Consider refactoring.
        Open

              node['pipeline']['plugins']['inputs'].each do |item|
        item['events'] = {} unless item.key?('events')
        metrics["pipeline.plugins.inputs.#{item['name']}.#{item['id']}.events.in"] = item['events']['in'].to_i || 0
        metrics["pipeline.plugins.inputs.#{item['name']}.#{item['id']}.events.out"] = item['events']['out'].to_i || 0
        metrics["pipeline.plugins.inputs.#{item['name']}.#{item['id']}.events.queue_push_duration_in_millis"] = \
        Severity: Major
        Found in bin/metrics-logstash-node.rb and 1 other location - About 2 hrs to fix
        bin/metrics-logstash-node.rb on lines 136..141

        Duplicated Code

        Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

        Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

        When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

        Tuning

        This issue has a mass of 82.

        We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

        The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

        If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

        See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

        Refactorings

        Further Reading

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