Class: Chef::Provider::Group

Inherits:
Chef::Provider show all
Includes:
Mixin::Command
Defined in:
lib/chef/provider/group.rb,
lib/chef/provider/group/pw.rb,
lib/chef/provider/group/dscl.rb,
lib/chef/provider/group/gpasswd.rb,
lib/chef/provider/group/usermod.rb,
lib/chef/provider/group/windows.rb,
lib/chef/provider/group/groupadd.rb

Direct Known Subclasses

Dscl, Groupadd, Pw, Windows

Defined Under Namespace

Classes: Dscl, Gpasswd, Groupadd, Pw, Usermod, Windows

Instance Attribute Summary collapse

Attributes inherited from Chef::Provider

#current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods included from Mixin::Command

#chdir_or_tmpdir, #handle_command_failures, #not_if, #only_if, #output_of_command, #run_command, #run_command_with_systems_locale

Methods included from Mixin::Command::Windows

#popen4

Methods included from Mixin::Command::Unix

#popen4

Methods inherited from Chef::Provider

#action_nothing, build_from_file, #cookbook_name, #node, #resource_collection

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Methods included from Mixin::RecipeDefinitionDSLCore

#method_missing

Methods included from Mixin::Language

#data_bag, #data_bag_item, #platform?, #search, #value_for_platform

Constructor Details

#initialize(new_resource, run_context) ⇒ Group

Returns a new instance of Group.



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# File 'lib/chef/provider/group.rb', line 30

def initialize(new_resource, run_context)
  super
  @group_exists = true
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::Mixin::RecipeDefinitionDSLCore

Instance Attribute Details

#group_exists ⇒ Object

Returns the value of attribute group_exists.



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# File 'lib/chef/provider/group.rb', line 28

def group_exists
  @group_exists
end

Instance Method Details

#action_create ⇒ Object 



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# File 'lib/chef/provider/group.rb', line 76

def action_create
  case @group_exists
  when false
    create_group
    Chef::Log.info("Created #{@new_resource}")
    @new_resource.updated_by_last_action(true)
  else 
    if compare_group
      manage_group
      Chef::Log.info("Altered #{@new_resource}")
      @new_resource.updated_by_last_action(true)
    end
  end
end

#action_manage ⇒ Object 



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# File 'lib/chef/provider/group.rb', line 99

def action_manage
  if @group_exists && compare_group
    manage_group 
    @new_resource.updated_by_last_action(true)
    Chef::Log.info("Managed #{@new_resource}")
  end
end

#action_modify ⇒ Object 



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# File 'lib/chef/provider/group.rb', line 107

def action_modify
  if @group_exists 
    if compare_group
      manage_group
      @new_resource.updated_by_last_action(true)
      Chef::Log.info("Modified #{@new_resource}")
    end
  else
    raise Chef::Exceptions::Group, "Cannot modify #{@new_resource} - group does not exist!"
  end
end

#action_remove ⇒ Object 



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# File 'lib/chef/provider/group.rb', line 91

def action_remove
  if @group_exists
    remove_group
    @new_resource.updated_by_last_action(true)
    Chef::Log.info("Removed #{@new_resource}")
  end
end

#compare_group ⇒ Object

Check to see if a group needs any changes

Returns

<true>

If a change is required

<false>

If a change is not required



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# File 'lib/chef/provider/group.rb', line 61

def compare_group
  return true if @new_resource.gid != @current_resource.gid

  if(@new_resource.append)
    @new_resource.members.each do |member|
      next if @current_resource.members.include?(member)
      return true
    end
  else
    return true if @new_resource.members != @current_resource.members
  end

  return false
end

#create_group ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/chef/provider/group.rb', line 119

def create_group
  raise NotImplementedError, "subclasses of Chef::Provider::Group should define #create_group"
end

#load_current_resource ⇒ Object 



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# File 'lib/chef/provider/group.rb', line 35

def load_current_resource
  @current_resource = Chef::Resource::Group.new(@new_resource.name)
  @current_resource.group_name(@new_resource.group_name)
  
  group_info = nil
  begin
    group_info = Etc.getgrnam(@new_resource.group_name)
  rescue ArgumentError => e
    @group_exists = false
    Chef::Log.debug("#{@new_resource}: group does not exist")
  end
  
  if group_info
    @new_resource.gid(group_info.gid) unless @new_resource.gid
    @current_resource.gid(group_info.gid)
    @current_resource.members(group_info.mem)
  end
  
  @current_resource
end

#manage_group ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/chef/provider/group.rb', line 123

def manage_group
  raise NotImplementedError, "subclasses of Chef::Provider::Group should define #manage_group"
end

#remove_group ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/chef/provider/group.rb', line 127

def remove_group
  raise NotImplementedError, "subclasses of Chef::Provider::Group should define #remove_group"
end