Class: Exec::ServiceConfLs

Inherits:
ExecutableCommand show all
Defined in:
lib/exec/service_conf_ls.rb

Overview

Allows the user to display a configuration about cluster.

Author:

  • mbretaud

Instance Attribute Summary

Attributes inherited from ExecutableCommand

#argv, #command_name, #logger, #options, #stderr, #stdin, #stdout, #values

Instance Method Summary collapse

Methods inherited from ExecutableCommand

#check_parameters, #create_logger, #initialize, #run

Constructor Details

This class inherits a constructor from Exec::ExecutableCommand

Instance Method Details

#display_configurations(cluster_name = @values["cluster"], prefix = '') ⇒ Object (private)

display the configurations of a cluster.

Parameters:

  • cluster_name (defaults to: @values["cluster"]) —

    The name of the cluster.

  • prefix (defaults to: '') —

    The prefix to display.

Returns:

  • output The output string to display.

Author:

  • mbretaud



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# File 'lib/exec/service_conf_ls.rb', line 51

def display_configurations(cluster_name = @values["cluster"], prefix = '')
  @logger.begin_main_step("listConfigurations")
  begin
    configs = Array.new
    output = Array.new

    command = Command::AmbariServiceConfLs.new(cluster_name)
    data = command.exec()

    return "No configurations available on the cluster '#{cluster_name}'.\n" if data.nil? || data.empty?

    error = false
    data.each{|conf|
      if !conf['active'].nil?
        if conf['active']
          active = Color::color_green("[Active]")
          configs << "#{prefix}#{conf['type']} : #{conf['tag']} #{active}\n"
        else
          configs << "#{prefix}#{conf['type']} : #{conf['tag']} [Not Active]\n"
        end
      else
        error = true
      end
    }
  rescue => e
    raise e
  end

  @logger.debug("configuration list output: #{output}")
  @logger.end_main_step("listConfigurations")

  if error
    output << ""
    output << "Error: Retrieve the configuration on the cluster '#{cluster_name}'."
    output << "\n"
  else
    configs = configs.sort

    output << ""
    output << "Configurations available on the cluster '#{cluster_name}' :"
    output << "\n\n"
    output << "#{prefix}[TYPE : TAG] [Status]\n"
    configs.each{|conf|
      output << conf
    }
    output << "\n"
  end

  return output
end

#exec ⇒ Object

The execution of the command.

Author:

  • mbretaud



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# File 'lib/exec/service_conf_ls.rb', line 31

def exec
  Color::print_log("NONE", "Display a configuration about the cluster '#{@values["cluster"]}'", @stdout)

  if !@values["cluster"].nil?
    output = display_configurations(@values["cluster"], "\t - ")
  end

  Color::echo_ok(@stdout)

  output.each{|conf|
    @stdout.print conf
  }
end

#set_options ⇒ Object (private)

Parse and check the parameters of the function.

Author:

  • mbretaud



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# File 'lib/exec/service_conf_ls.rb', line 23

def set_options
  @logger.info("setting options")
  @options.add_option("C", "cluster", "The cluster name.", true, true, method(:check_cluster_name))
end