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Chef::Provider::Ifconfig

Attributes

config_path[RW]
config_template[RW]

Public Class Methods

new(new_resource, run_context) click to toggle source
# File lib/chef/provider/ifconfig.rb, line 45
def initialize(new_resource, run_context)
  super(new_resource, run_context)
  @config_template = nil
  @config_path = nil
end

Public Instance Methods

action_add() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 102
def action_add
  # check to see if load_current_resource found interface in ifconfig
  unless @current_resource.inet_addr
    unless @new_resource.device == loopback_device
      command = add_command
      converge_by ("run #{command} to add #{@new_resource}") do
        run_command(
          :command => command
        )
        Chef::Log.info("#{@new_resource} added")
        # Write out the config files
        generate_config
      end
    end
  end
end
action_delete() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 135
def action_delete
  # check to see if load_current_resource found the interface
  if @current_resource.device
    command = delete_command
    converge_by ("run #{command} to delete #{@new_resource}") do
      run_command(
        :command => command
      )
      delete_config
      Chef::Log.info("#{@new_resource} deleted")
    end
  else
    Chef::Log.debug("#{@new_resource} does not exist - nothing to do")
  end
end
action_disable() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 151
def action_disable
  # check to see if load_current_resource found the interface
  # disables, but leaves config files in place.
  if @current_resource.device
    command = disable_command
    converge_by ("run #{command} to disable #{@new_resource}") do
      run_command(
        :command => command
      )
      Chef::Log.info("#{@new_resource} disabled")
    end
  else
    Chef::Log.debug("#{@new_resource} does not exist - nothing to do")
  end
end
action_enable() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 119
def action_enable
  # check to see if load_current_resource found ifconfig
  # enables, but does not manage config files
  unless @current_resource.inet_addr
    unless @new_resource.device == loopback_device
      command = enable_command
      converge_by ("run #{command} to enable #{@new_resource}") do
        run_command(
          :command => command
        )
        Chef::Log.info("#{@new_resource} enabled")
      end
    end
  end
end
can_generate_config?() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 167
def can_generate_config?
  ! @config_template.nil? and ! @config_path.nil?
end
define_resource_requirements() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 92
def define_resource_requirements
  requirements.assert(:all_actions) do |a|
    a.assertion { @status.exitstatus == 0 }
    a.failure_message Chef::Exceptions::Ifconfig, "ifconfig failed - #{@status.inspect}!"
    # no whyrun - if the base ifconfig used in load_current_resource fails
    # there's no reasonable action that could have been taken in the course of
    # a chef run to fix it.
  end
end
delete_config() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 183
def delete_config
  return unless can_generate_config?
  require 'fileutils'
  if ::File.exist?(@config_path)
    converge_by ("delete the #{@config_path}") do
      FileUtils.rm_f(@config_path, :verbose => false)
    end
  end
  Chef::Log.info("#{@new_resource} deleted configuration file")
end
generate_config() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 171
def generate_config
  return unless can_generate_config?
  b = binding
  template = ::ERB.new(@config_template)
  converge_by ("generate configuration file : #{@config_path}") do
    network_file = ::File.new(@config_path, "w")
    network_file.puts(template.result(b))
    network_file.close
  end
  Chef::Log.info("#{@new_resource} created configuration file")
end
load_current_resource() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 55
def load_current_resource
  @current_resource = Chef::Resource::Ifconfig.new(@new_resource.name)

  @ifconfig_success = true
  @interfaces = {}

  @status = popen4("ifconfig") do |pid, stdin, stdout, stderr|
    stdout.each do |line|

      if !line[0..9].strip.empty?
        @int_name = line[0..9].strip
        @interfaces[@int_name] = {"hwaddr" => (line =~ /(HWaddr)/ ? ($') : "nil").strip.chomp }
      else
        @interfaces[@int_name]["inet_addr"] = (line =~ /inet addr:(\S+)/ ? ($1) : "nil") if line =~ /inet addr:/
        @interfaces[@int_name]["bcast"] = (line =~ /Bcast:(\S+)/ ? ($1) : "nil") if line =~ /Bcast:/
        @interfaces[@int_name]["mask"] = (line =~ /Mask:(\S+)/ ? ($1) : "nil") if line =~ /Mask:/
        @interfaces[@int_name]["mtu"] = (line =~ /MTU:(\S+)/ ? ($1) : "nil") if line =~ /MTU:/
        @interfaces[@int_name]["metric"] = (line =~ /Metric:(\S+)/ ? ($1) : "nil") if line =~ /Metric:/
      end

      if @interfaces.has_key?(@new_resource.device)
        @interface = @interfaces.fetch(@new_resource.device)

        @current_resource.target(@new_resource.target)
        @current_resource.device(@new_resource.device)
        @current_resource.inet_addr(@interface["inet_addr"])
        @current_resource.hwaddr(@interface["hwaddr"])
        @current_resource.bcast(@interface["bcast"])
        @current_resource.mask(@interface["mask"])
        @current_resource.mtu(@interface["mtu"])
        @current_resource.metric(@interface["metric"])
      end
    end
  end
  @current_resource
end
whyrun_supported?() click to toggle source
# File lib/chef/provider/ifconfig.rb, line 51
def whyrun_supported?
  true
end

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