Class: Exec::NodeInfo

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

Overview

Allows the user to display node’s information.

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, #run

Constructor Details

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

Note:

Overrides default constructor by passing CustomCommandOption to super().

Default constructor of the class.

Author:

  • mbretaud



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# File 'lib/exec/node_info.rb', line 20

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/node_info.rb', line 34

def exec()
  @logger.info("Exec::NodeInfo   Executing NodeInfo")
  @logger.info("Exec::NodeDestroy   Getting informations about the node '#{@values['node']}'")

  Color::print_log("NONE", "Displays informations for the node '#{@values['node']}'...", @stdout)

  node_name = @values['node']

  if !if_node_exist(node_name, "Ready")
    raise NodeInfoError.new("The node '#{node_name}' doesn't exists or is not 'Ready.")
  end

  cmd = Command::NodeInfo.new(node_name)
  p = cmd.exec()

  output = ""

  unless p.nil?
    output += "Node '#{node_name}' informations:\n"
    output += "  Machine:\n"
    if p['name'] != nil
      output += "    -Name: " + p['name'] + "\n"
    end
    if p['os'] != nil
      output += "    -OS: " + p['os'] + "\n"
    end
    if p['os_version']
      output += "    -OS version: " + p['os_version'] + "\n"
    end
    if p['dmi'] != nil
      if p['dmi']['system'] != nil
        if p['dmi']['system']['product_name'] != nil
          output += "    -Product Name : " + p['dmi']['system']['product_name'] + "\n"
        end
        if p['dmi']['system']['version'] != nil
          output += "    -Version : " + p['dmi']['system']['version'] + "\n"
        end
      end
    end
    if p['memory'] != nil
      if p['memory']['total'] != nil
        memory = (p['memory']['total'].to_f) / 1048576
        output += "    -Memory: " + "%5.2f" % memory.to_s + " GB\n"
      end
    end
    if p['platform']
      output += "    -Platform: " + p['platform'] + "\n"
    end
    if p['platform_version']
      output += "    -Platform version: " + p['platform_version'] + "\n"
    end
    if p['cpu'] != nil
      if p['cpu']['total'] != nil
        if p['cpu']['0'] != nil
          if p['cpu']['0']['model_name'] != nil
            output += "    -CPU: " + p['cpu']['total'].to_s + " * " + p['cpu']['0']['model_name'] + "\n"
          end
        end
      end
    end
    output += "\n"
    output += "  System:\n"
    if p['uptime'] != nil
      output += "    -Uptime: " + p['uptime'] + "\n"
    end
    if p['idletime']
      output += "    -Idletime: " + p['idletime'] + "\n"
    end
    if p['raid'] != nil
      output += "    -Raid: " + p['raid']['enable'].to_s + "\n"
    end
    output += "\n"
    output += "  Network:\n"
    if p['hostname'] != nil
      output += "    -Hostname: " + p['hostname'] + "\n"
    end
    if p['domain'] != nil
      output += "    -Domain: " + p['domain'] + "\n"
    end
    if p['ipaddress'] != nil
      output += "    -IP address: " + p['ipaddress'] + "\n"
    end
    if p['macaddress'] != nil
      output += "    -MAC address: " + p['macaddress'] + "\n"
    end
    if p['fqdn'] != nil
      output += "    -FQDN: " + p['fqdn'] + "\n"
    end
    output += "\n"
    output += "  Crowbar/Chef:\n"
    if p['state'] != nil
      output += "    -State: " + p['state'] + "\n"
    end
    if p['filesystem'] != nil
      output += "    -Filesystem:\n"
      get_keys = p['filesystem'].keys

      get_keys.each { |x|
        if x.start_with?('/dev/')
          output += "      -#{x}:\n"
          if p['filesystem'][x]['mount'] != nil
            output += "        -Mount: " + p['filesystem'][x]['mount'] + "\n"
          end
          if p['filesystem'][x]['percent_used'] != nil
            output += "        -Percent used: " + p['filesystem'][x]['percent_used'].gsub("%", "") + "\n"
          end
          if p['filesystem'][x]['fs_type'] != nil
            output += "        -FS type: " + p['filesystem'][x]['fs_type'] + "\n"
          end
        end
      }
    end
    if p['crowbar'] != nil
      if p['crowbar']['disks'] != nil
        output += "    -Disks:\n"
        get_keys = p['crowbar']['disks'].keys

        get_keys.each { |x|
          output += "      -#{x}:\n"
          if p['crowbar']['disks'][x]['model'] != nil
            output += "        -Model: " + p['crowbar']['disks'][x]['model'] + "\n"
          end
          if p['crowbar']['disks'][x]['vendor'] != nil
            output += "        -Vendor: " + p['crowbar']['disks'][x]['vendor'] + "\n"
          end
          if p['crowbar']['disks'][x]['state'] != nil
            output += "        -State: " + p['crowbar']['disks'][x]['state'] + "\n"
          end
        }
      end
      if p['crowbar']['hardware'] != nil
        output += "    -Hardware:\n"
        if p['crowbar']['hardware']['bios_set'] != nil
          output += "      -Bios set: " + p['crowbar']['hardware']['bios_set'] + "\n"
        end
        if p['crowbar']['hardware']['raid_set'] != nil
          output += "      -Raid set: " + p['crowbar']['hardware']['raid_set'] + "\n"
        end
      end
      if p['crowbar']['network'] != nil && (p['crowbar']['network']['bmc'] != nil || p['crowbar']['network']['admin'] != nil)
        output += "    -Network:\n"
        get_keys = p['crowbar']['network'].keys

        get_keys.each { |x|
          output += "      -#{x}:\n"
          if p['crowbar']['network'][x]['address'] != nil
            output += "        -Address: " + p['crowbar']['network'][x]['address'] + "\n"
          end
          if p['crowbar']['network'][x]['subnet'] != nil
            output += "        -Subnet: " + p['crowbar']['network'][x]['subnet'] + "\n"
          end
          if p['crowbar']['network'][x]['netmask'] != nil
            output += "        -Netmask: " + p['crowbar']['network'][x]['netmask'] + "\n"
          end
          if p['crowbar']['network'][x]['broadcast'] != nil
            output += "        -Broadcast: " + p['crowbar']['network'][x]['broadcast'] + "\n"
          end
        }
      end
    end
    if p['roles'] != nil
      output += "    -Roles:\n"
      p['roles'].each { |x|
        output += "      -#{x}\n"
      }
    end
    if p['chef_packages'] != nil
      if p['chef_packages']['chef'] != nil
        output += "    -Chef:\n"
        if p['chef_packages']['chef']['version']
          output += "      -Version: " + p['chef_packages']['chef']['version'] + "\n"
        end
      end
    end
    output += "\n"
    if p['kernel'] != nil
      output += "  Kernel:\n"
      if p['kernel']['name'] != nil
        output += "    -Name: " + p['kernel']['name'] + "\n"
      end
      if p['kernel']['version'] != nil
        output += "    -Version: " + p['kernel']['version'] + "\n"
      end
      if p['kernel']['os'] != nil
        output += "    -OS: " + p['kernel']['os'] + "\n"
      end
      if p['kernel']['release']
        output += "    -Release: " + p['kernel']['release'] + "\n"
      end
      if p['kernel']['machine']
        output += "    -Machine: " + p['kernel']['machine'] + "\n"
      end
    end
    output += "\n"
    if p['languages'] != nil
      output += "  Languages versions:\n"
      get_keys = p['languages'].keys

      get_keys.each { |x|
        if p['languages'][x]['version'] != nil
          output += "    -#{x}: " + p['languages'][x]['version'] + "\n"
        end
      }
    end
  end

  Color::echo_ok(@stdout)
  @logger.info(output)

  if !output.empty? && output.length > 1
    @stdout.print output
  else
    @logger.info("Exec::NodeInfo   No informations about the node '#{node_name}'.")
    @stdout.printf_red "No informations about the node '#{node_name}'.\n"
  end
end

#if_node_exist(node_name, status) ⇒ Boolean (private)

TODO:

refactor in a library

Check if the node exists or not

Parameters:

  • node_name (String) —

    the name node

Returns:

  • (Boolean) —

    true if the node exists, false else

Author:

  • mbretaud



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# File 'lib/exec/node_info.rb', line 257

def if_node_exist(node_name, status)
  @logger.info("Exec::NodeInstall   Check if the node '#{node_name}' exists or not.")

  # Retrieves the list of nodes.
  begin
    @logger.info("Exec::NodeInstall   Getting the nodes list.")
    cmd = Command::CrowbarNodeList.new(@logger, status)
    list_nodes = cmd.exec
  rescue => e
    raise NodeListError.new("Retrieves the list of nodes with the status '#{status}'.")
  end

  if !list_nodes.nil? && list_nodes.length > 0
    list_nodes.each { |node|
      if node_name.split(" ").at(0).strip.to_s() == node.split(" ").at(0).strip.to_s()
        return true
      end
    }
  end

  return false
end

#set_options ⇒ Object (private)

Parse and check the parameters of the function.

Author:

  • tnoguer



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# File 'lib/exec/node_info.rb', line 27

def set_options
  @logger.info("Exec::NodeInfo   Setting options")
  @options.add_option("n", "node", "Displays informations about a node.", true, true, method(:check_crowbar_node_name))
end