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lib/sprinkle/actors/ssh.rb

Summary

Maintainability
C
7 hrs
Test Coverage

Class SSH has 32 methods (exceeds 20 allowed). Consider refactoring.
Open

    class SSH < Actor
      attr_accessor :options #:nodoc:
      
      class SSHCommandFailure < StandardError #:nodoc:
        attr_accessor :details
Severity: Minor
Found in lib/sprinkle/actors/ssh.rb - About 4 hrs to fix

    Method channel_runner has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.
    Open

            def channel_runner(session, command) #:nodoc:
          session.open_channel do |channel|
            channel.on_data do |ch, data|
              @log_recorder.log :out, data
              logger.debug yellow("[#{session.host}] stdout said-->\n#{data}\n")
    Severity: Minor
    Found in lib/sprinkle/actors/ssh.rb - About 1 hr 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 channel_runner has 28 lines of code (exceeds 25 allowed). Consider refactoring.
    Open

            def channel_runner(session, command) #:nodoc:
          session.open_channel do |channel|
            channel.on_data do |ch, data|
              @log_recorder.log :out, data
              logger.debug yellow("[#{session.host}] stdout said-->\n#{data}\n")
    Severity: Minor
    Found in lib/sprinkle/actors/ssh.rb - About 1 hr to fix

      Method prepare_commands has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.
      Open

              def prepare_commands(commands) #:nodoc:
          return commands unless sudo?
          commands.map do |command| 
            next command if command.is_a?(Symbol) || command.is_a?(Sprinkle::Commands::Command)
            command.match(/^#{sudo_command}/) ? command : "#{sudo_command} #{command}"
      Severity: Minor
      Found in lib/sprinkle/actors/ssh.rb - About 55 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

            def install(installer, roles, opts = {}) #:nodoc:
        @installer = installer
        process(installer.package.name, installer.install_sequence, roles)
      rescue SSHCommandFailure => e
        raise_error(e)
      Severity: Minor
      Found in lib/sprinkle/actors/ssh.rb and 1 other location - About 15 mins to fix
      lib/sprinkle/actors/local.rb on lines 34..42

      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 25.

      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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