Class: Chef::Provider::Ifconfig

Inherits:
Chef::Provider show all
Includes:
Mixin::ShellOut
Defined in:
lib/chef/provider/ifconfig.rb,
lib/chef/provider/ifconfig/aix.rb,
lib/chef/provider/ifconfig/debian.rb,
lib/chef/provider/ifconfig/redhat.rb

Direct Known Subclasses

Aix, Debian, Redhat

Defined Under Namespace

Classes: Aix, Debian, Redhat

Instance Attribute Summary collapse

Attributes inherited from Chef::Provider

#action, #cookbook_name, #current_resource, #new_resource, #recipe_name, #run_context

Instance Method Summary collapse

Methods included from Mixin::ShellOut

#a_to_s, #clean_array, #shell_out, #shell_out!, #shell_out_compact, #shell_out_compact!, #shell_out_compact_timeout, #shell_out_compact_timeout!, #shell_out_with_systems_locale, #shell_out_with_systems_locale!

Methods included from Mixin::PathSanity

#enforce_path_sanity, #sanitized_path

Methods inherited from Chef::Provider

action, #action_nothing, #check_resource_semantics!, #cleanup_after_converge, #compile_and_converge_action, #converge_by, #converge_if_changed, #events, include_resource_dsl?, include_resource_dsl_module, #node, #process_resource_requirements, provides, provides?, #requirements, #resource_collection, #resource_updated?, #run_action, #set_updated_status, supports?, use_inline_resources, #whyrun_mode?, #whyrun_supported?

Methods included from Mixin::Provides

#provided_as, #provides, #provides?

Methods included from Mixin::DescendantsTracker

#descendants, descendants, #direct_descendants, direct_descendants, #find_descendants_by_name, find_descendants_by_name, #inherited, store_inherited

Methods included from Mixin::LazyModuleInclude

#descendants, #include, #included

Methods included from Mixin::NotifyingBlock

#notifying_block, #subcontext_block

Methods included from DSL::DeclareResource

#build_resource, #declare_resource, #delete_resource, #delete_resource!, #edit_resource, #edit_resource!, #find_resource, #find_resource!, #with_run_context

Methods included from Mixin::PowershellOut

#powershell_out, #powershell_out!

Methods included from Mixin::WindowsArchitectureHelper

#assert_valid_windows_architecture!, #disable_wow64_file_redirection, #forced_32bit_override_required?, #is_i386_process_on_x86_64_windows?, #node_supports_windows_architecture?, #node_windows_architecture, #restore_wow64_file_redirection, #valid_windows_architecture?, #with_os_architecture, #wow64_architecture_override_required?, #wow64_directory

Methods included from DSL::PlatformIntrospection

#docker?, #platform?, #platform_family?, #value_for_platform, #value_for_platform_family

Constructor Details

#initialize(new_resource, run_context) ⇒ Ifconfig


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# File 'lib/chef/provider/ifconfig.rb', line 48

def initialize(new_resource, run_context)
  super(new_resource, run_context)
  @config_template = nil
  @config_path = nil
end

Instance Attribute Details

#config_pathObject

Returns the value of attribute config_path


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# File 'lib/chef/provider/ifconfig.rb', line 46

def config_path
  @config_path
end

#config_templateObject

Returns the value of attribute config_template


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# File 'lib/chef/provider/ifconfig.rb', line 45

def config_template
  @config_template
end

Instance Method Details

#action_addObject


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# File 'lib/chef/provider/ifconfig.rb', line 98

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.join(' ')} to add #{new_resource}") do
        shell_out_compact!(command)
        Chef::Log.info("#{new_resource} added")
      end
    end
  end
  # Write out the config files
  generate_config
end

#action_deleteObject


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# File 'lib/chef/provider/ifconfig.rb', line 125

def action_delete
  # check to see if load_current_resource found the interface
  if current_resource.device
    command = delete_command
    converge_by("run #{command.join(' ')} to delete #{new_resource}") do
      shell_out_compact!(command)
      Chef::Log.info("#{new_resource} deleted")
    end
  else
    Chef::Log.debug("#{new_resource} does not exist - nothing to do")
  end
  delete_config
end

#action_disableObject


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# File 'lib/chef/provider/ifconfig.rb', line 139

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.join(' ')} to disable #{new_resource}") do
      shell_out_compact!(command)
      Chef::Log.info("#{new_resource} disabled")
    end
  else
    Chef::Log.debug("#{new_resource} does not exist - nothing to do")
  end
end

#action_enableObject


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# File 'lib/chef/provider/ifconfig.rb', line 113

def action_enable
  # check to see if load_current_resource found ifconfig
  # enables, but does not manage config files
  return if current_resource.inet_addr
  return if new_resource.device == loopback_device
  command = enable_command
  converge_by("run #{command.join(' ')} to enable #{new_resource}") do
    shell_out_compact!(command)
    Chef::Log.info("#{new_resource} enabled")
  end
end

#can_generate_config?Boolean


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# File 'lib/chef/provider/ifconfig.rb', line 153

def can_generate_config?
  !@config_template.nil? && !@config_path.nil?
end

#define_resource_requirementsObject


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# File 'lib/chef/provider/ifconfig.rb', line 88

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_configObject


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# File 'lib/chef/provider/ifconfig.rb', line 171

def delete_config
  return unless can_generate_config?
  config = resource_for_config(@config_path)
  config.run_action(:delete)
  new_resource.updated_by_last_action(true) if config.updated?
end

#generate_configObject


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# File 'lib/chef/provider/ifconfig.rb', line 161

def generate_config
  return unless can_generate_config?
  b = binding
  template = ::ERB.new(@config_template)
  config = resource_for_config(@config_path)
  config.content(template.result(b))
  config.run_action(:create)
  new_resource.updated_by_last_action(true) if config.updated?
end

#load_current_resourceObject


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# File 'lib/chef/provider/ifconfig.rb', line 54

def load_current_resource
  @current_resource = Chef::Resource::Ifconfig.new(new_resource.name)

  @ifconfig_success = true
  @interfaces = {}

  @status = shell_out("ifconfig")
  @status.stdout.each_line 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+)/ ? Regexp.last_match(1) : "nil") if line =~ /inet addr:/
      @interfaces[@int_name]["bcast"] = (line =~ /Bcast:(\S+)/ ? Regexp.last_match(1) : "nil") if line =~ /Bcast:/
      @interfaces[@int_name]["mask"] = (line =~ /Mask:(\S+)/ ? Regexp.last_match(1) : "nil") if line =~ /Mask:/
      @interfaces[@int_name]["mtu"] = (line =~ /MTU:(\S+)/ ? Regexp.last_match(1) : "nil") if line =~ /MTU:/
      @interfaces[@int_name]["metric"] = (line =~ /Metric:(\S+)/ ? Regexp.last_match(1) : "nil") if line =~ /Metric:/
    end

    next unless @interfaces.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
  current_resource
end

#resource_for_config(path) ⇒ Object


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# File 'lib/chef/provider/ifconfig.rb', line 157

def resource_for_config(path)
  Chef::Resource::File.new(path, run_context)
end