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File output.rb has 1290 lines of code (exceeds 250 allowed). Consider refactoring.
Open

require 'fluent/env'
require 'fluent/error'
require 'fluent/plugin/base'
require 'fluent/plugin/buffer'
require 'fluent/plugin_helper/record_accessor'
Severity: Major
Found in lib/fluent/plugin/output.rb - About 3 days to fix

    Method generate has a Cognitive Complexity of 138 (exceeds 5 allowed). Consider refactoring.
    Open

          def self.generate(proxy, conf, logger, plugin_class, stack = [], strict_config_value = false)
        return nil if conf.nil?

        section_stack = ""
        unless stack.empty?
    Severity: Minor
    Found in lib/fluent/config/section.rb - About 2 days 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

    File in_tail.rb has 1092 lines of code (exceeds 250 allowed). Consider refactoring.
    Open

    require 'cool.io'

require 'fluent/plugin/input'
require 'fluent/config/error'
require 'fluent/event'
    Severity: Major
    Found in lib/fluent/plugin/in_tail.rb - About 2 days to fix

      File supervisor.rb has 1016 lines of code (exceeds 250 allowed). Consider refactoring.
      Open

      require 'fileutils'
require 'open3'
require 'pathname'

require 'fluent/config'
      Severity: Major
      Found in lib/fluent/supervisor.rb - About 2 days to fix

        Method write_step_by_step has a Cognitive Complexity of 111 (exceeds 5 allowed). Consider refactoring.
        Open

              def write_step_by_step(metadata, data, format, splits_count, &block)
        splits = []
        if splits_count > data.size
          splits_count = data.size
        end
        Severity: Minor
        Found in lib/fluent/plugin/buffer.rb - About 2 days 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 configure has a Cognitive Complexity of 111 (exceeds 5 allowed). Consider refactoring.
        Open

              def configure(conf)
        unless implement?(:synchronous) || implement?(:buffered) || implement?(:delayed_commit)
          raise "BUG: output plugin must implement some methods. see developer documents."
        end
        Severity: Minor
        Found in lib/fluent/plugin/output.rb - About 2 days 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 start has a Cognitive Complexity of 90 (exceeds 5 allowed). Consider refactoring.
        Open

            def start
      super

      log.info "listening tcp socket", bind: @bind, port: @port
      del_size = @delimiter.length
        Severity: Minor
        Found in lib/fluent/plugin/in_tcp.rb - About 1 day 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

        File buffer.rb has 719 lines of code (exceeds 250 allowed). Consider refactoring.
        Open

        require 'fluent/plugin/base'
require 'fluent/plugin/owned_by_mixin'
require 'fluent/plugin_id'
require 'fluent/plugin_helper'
require 'fluent/unique_id'
        Severity: Major
        Found in lib/fluent/plugin/buffer.rb - About 1 day to fix

          File out_forward.rb has 649 lines of code (exceeds 250 allowed). Consider refactoring.
          Open

          require 'fluent/output'
require 'fluent/config/error'
require 'fluent/clock'
require 'fluent/tls'
require 'base64'
          Severity: Major
          Found in lib/fluent/plugin/out_forward.rb - About 1 day to fix

            Method parse_element has a Cognitive Complexity of 70 (exceeds 5 allowed). Consider refactoring.
            Open

                  def parse_element(root_element, elem_name, attrs = {}, elems = [])
        while true
          spacing
          if eof?
            if root_element
            Severity: Minor
            Found in lib/fluent/config/v1_parser.rb - About 1 day 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

            File server.rb has 624 lines of code (exceeds 250 allowed). Consider refactoring.
            Open

            require 'fluent/plugin_helper/event_loop'

require 'serverengine'
require 'cool.io'
require 'socket'
            Severity: Major
            Found in lib/fluent/plugin_helper/server.rb - About 1 day to fix

              Class Output has 73 methods (exceeds 20 allowed). Consider refactoring.
              Open

                  class Output < Base
      include PluginId
      include PluginLoggerMixin
      include PluginHelper::Mixin
      include UniqueId::Mixin
              Severity: Major
              Found in lib/fluent/plugin/output.rb - About 1 day to fix

                File log.rb has 587 lines of code (exceeds 250 allowed). Consider refactoring.
                Open

                require 'forwardable'
require 'logger'

module Fluent
  class Log
                Severity: Major
                Found in lib/fluent/log.rb - About 1 day to fix

                  Method configure has a Cognitive Complexity of 63 (exceeds 5 allowed). Consider refactoring.
                  Open

                      def configure(conf)
      used_worker_ids = []
      available_worker_ids = (0..Fluent::Engine.system_config.workers - 1).to_a
      # initialize <worker> elements
      conf.elements(name: 'worker').each do |e|
                  Severity: Minor
                  Found in lib/fluent/root_agent.rb - About 1 day 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 configure has a Cognitive Complexity of 60 (exceeds 5 allowed). Consider refactoring.
                  Open

                      def configure(conf)
      compat_parameters_convert(conf, :buffer, default_chunk_key: 'tag')

      super
                  Severity: Minor
                  Found in lib/fluent/plugin/out_forward.rb - About 1 day 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

                  File output.rb has 559 lines of code (exceeds 250 allowed). Consider refactoring.
                  Open

                  require 'fluent/plugin'
require 'fluent/plugin/buffer'
require 'fluent/plugin/output'
require 'fluent/plugin/bare_output'
require 'fluent/compat/call_super_mixin'
                  Severity: Major
                  Found in lib/fluent/compat/output.rb - About 1 day to fix

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

                    module Fluent
  module PluginHelper
    module Parser
      def parser_create(usage: '', type: nil, conf: nil, default_type: nil)
        parser = @_parsers[usage]
                    Severity: Major
                    Found in lib/fluent/plugin_helper/parser.rb and 1 other location - About 1 day to fix
                    lib/fluent/plugin_helper/formatter.rb on lines 22..144

                    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 280.

                    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

                    Method child_process_execute_once has a Cognitive Complexity of 56 (exceeds 5 allowed). Consider refactoring.
                    Open

                          def child_process_execute_once(
          title, command, arguments, subprocess_name, mode, stderr, env, unsetenv, chdir,
          internal_encoding, external_encoding, scrub, replace_string, wait_timeout, on_exit_callback, &block
      )
        spawn_args = if arguments || subprocess_name
                    Severity: Minor
                    Found in lib/fluent/plugin_helper/child_process.rb - About 1 day 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

                    module Fluent
  module PluginHelper
    module Formatter
      def formatter_create(usage: '', type: nil, conf: nil, default_type: nil)
        formatter = @_formatters[usage]
                    Severity: Major
                    Found in lib/fluent/plugin_helper/formatter.rb and 1 other location - About 1 day to fix
                    lib/fluent/plugin_helper/parser.rb on lines 22..144

                    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 280.

                    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

                    Method expand_paths has a Cognitive Complexity of 53 (exceeds 5 allowed). Consider refactoring.
                    Open

                        def expand_paths
      date = Fluent::EventTime.now
      paths = []
      @paths.each { |path|
        path = if @path_timezone
                    Severity: Minor
                    Found in lib/fluent/plugin/in_tail.rb - About 1 day 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

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