Class: Exec::ClusterInfo

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

Overview

Allows the user to display a information’s cluster

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, #run

Constructor Details

#initialize(argv, stdin, stdout, stderr, command_name) ⇒ ClusterInfo

Note:

Overrides default constructor by passing CustomCommandOption to super().

Default constructor of the class.

Author:

  • mbretaud



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# File 'lib/exec/cluster_info.rb', line 24

def initialize(argv, stdin, stdout, stderr, command_name)
  super(argv, stdin, stdout, stderr, command_name)
end

Instance Method Details

#exec ⇒ Object (private)

The execution of the command.

Author:

  • tnoguer



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# File 'lib/exec/cluster_info.rb', line 38

def exec
  @logger.info("Exec::ClusterInfo   Executing ClusterInfo")
  @logger.info("Exec::ClusterInfo   Displays informations for the vcluster '#{@values['cluster']}'...")
  Color::print_log("NONE", "Displays informations for the vcluster '#{@values['cluster']}'...", @stdout)

  output = ""

  cmd = Command::CrowbarGetBarclampsList.new(@logger)
  p = cmd.exec()

  barclamp_active = false
  list_barclamps = Array.new
  if p['i18n'] != nil
    get_keys = p['i18n'].keys
    get_keys.each{|e|
      if p['i18n'][e]['proposal'] != nil && p['i18n'][e]['status'] != nil && p['i18n'][e]['status'] == "Active"
        if e.include? "cb#{@values["cluster"]}"
          barclamp_active = true
        end
      end
    }
  end

  barclamp = "cb#{@values["cluster"]}"
  role="#{barclamp}-server"
  error="false"
  output_error=""
  output_machines=""

  # Retrieves informations about the vcluster
  cmd = Command::ClusterInfo.new(@values["cluster"], "default")
  p = cmd.exec()

  if p != nil
    if p['deployment'][barclamp]['elements'][role] != nil
      vcluster_exist="false"
      p['deployment'][barclamp]['elements'][role].each do |machine|
        ip_physique = `name_to_ip #{machine} > /dev/null 2>&1`
        returnerr = $?
        if returnerr == 0
          ip_physique = `name_to_ip #{machine}`
          machine2=`cat /etc/hosts | grep #{machine} | grep #{@values["cluster"]}- | awk '{ print $2 }'`
          if machine2 == ""
            output_error += "Error: The machine #{machine} doesn't exists in the file /etc/hosts" + "\n"
            error="true"
          else
            subnet = p['attributes'][barclamp]['network']['address']
            arraysubnet = Array.new
            arraysubnet = subnet.scan(/[^\.]+/)
            if p['attributes'][barclamp]['network']['mask']=="255.255.255.0"
              lastip=ip_physique.split('.').last
              arraysubnet[3]=lastip
              ip_container=arraysubnet.join('.')
            elsif p['attributes'][barclamp]['network']['mask']=="255.0.0.0"
              lastip=ip_physique.split('.', 2).last
              arraysubnet[1]=lastip
              ip_container="#{arraysubnet[0]}.#{arraysubnet[1]}"
            elsif p['attributes'][barclamp]['network']['mask']=="255.255.0.0"
              lastip=ip_physique.split('.', 3).last
              arraysubnet[2]=lastip
              ip_container="#{arraysubnet[0]}.#{arraysubnet[1]}.#{arraysubnet[2]}"
            end
            if ip_physique != nil && ip_container != nil
              output_machines +=  "      -> " + machine2.strip + " " + ip_physique.strip + " " + ip_container.strip + "\n"
              vcluster_exist="true"
            else
              output_error += "      -> " + machine + " \"unknown ip: bad mask\"\n"
              error="true"
            end
          end
        else
          output_error += "      -> " + machine + " \"unknown ip: node not allocated\"\n"
          error="true"
        end
      end
    else
      output_error += "   Machines:        no machine allocated\n"
      error="true"
    end

    output += "Vcluster '#{@values["cluster"]}' informations:\n"
    output += "   Network address: " + p['attributes'][barclamp]['network']['address'] + "\n"
    output += "   Network mask:    " + p['attributes'][barclamp]['network']['mask'] + "\n"
    output += "   Vlan ID:         " + p['attributes'][barclamp]['network']['idvlan'] + "\n"
    output += "   Cpu weight:      " + p['attributes'][barclamp]['resources']['cpu'] + "\n"
    output += "   Ram allowed:     " + p['attributes'][barclamp]['resources']['ram'] + "\n"
    output += "   Description:     " + p['description'] + "\n"
    output += "   Machines: hostname | ip_physique | ip_container        \n"

    if barclamp_active == false
      Color::echo_warn(@stdout)
      @stdout.print output
      @stdout.print "\n"
      #@stdout.print "The barclamp 'cb#{@values["cluster"]}' is not Active.\n"
      Color::printf_red("The barclamp 'cb#{@values["cluster"]}' is not Active.\n")
      error = "true"
    else
      if error == "true"
        Color::echo_warn(@stdout)
        @stdout.print output
        @stdout.print "\n"
        #@stdout.print output_error
        Color::printf_red("#{output_error}")
      else
        if "#{vcluster_exist}" == "false"
          Color::echo_warn(@stdout)
          @stdout.print output
          @stdout.print "\n"
          #@stdout.print "No machines are allocated to the vcluster '" + @values["cluster"] + "'\n"
          Color::printf_red("No machines are allocated to the vcluster '#{@values["cluster"]}'.\n")
          error = "true"
        end
      end
    end
  else
    Color::echo_warn(@stdout)
    @stdout.print output
    @stdout.print "\n"
    #@stdout.print "The cluster '#{@values["cluster"]}' doesn't exists.\n"
    Color::printf_red("The cluster '#{@values["cluster"]}' doesn't exists.\n")
    error = "true"
  end

  if error == "false"
    Color::echo_ok(@stdout)
    @logger.info(output)
    if !output.empty?
      @stdout.print output
      @stdout.print "\n"
      @stdout.print output_machines
      @stdout.print "\n"
    else
      @logger.info("Exec::ClusterLs   No vclusters available!")
      #@stdout.print "No vclusters available!\n"
      Color::printf_red("No vclusters available!\n")
    end
  end
end

#set_options ⇒ Object (private)

Parse and check the parameters of the function.

Author:

  • tnoguer



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

def set_options
  @logger.info("Exec::ClusterInfo   Setting options")
  @options.add_option("C", "cluster", "The cluster name to display informations about.", true, true, method(:check_cluster_name))
end