Class: Chef::Provider::Group::Groupadd

Inherits:
Chef::Provider::Group show all
Defined in:
lib/chef/provider/group/groupadd.rb

Direct Known Subclasses

Gpasswd, Suse, Usermod

Instance Attribute Summary

Attributes inherited from Chef::Provider::Group

#change_desc, #group_exists

Attributes inherited from Chef::Provider

#action, #current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods inherited from Chef::Provider::Group

#action_create, #action_manage, #action_modify, #action_remove, #compare_group, #initialize, #whyrun_supported?

Methods included from Mixin::Command

#chdir_or_tmpdir, #handle_command_failures, #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, #cleanup_after_converge, #cookbook_name, #events, #initialize, #node, #process_resource_requirements, #requirements, #resource_collection, #run_action, #set_updated_status, #whyrun_mode?, #whyrun_supported?

Methods included from DSL::Recipe

#method_missing

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Constructor Details

This class inherits a constructor from Chef::Provider::Group

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::DSL::Recipe

Instance Method Details

#create_group ⇒ Object

Create the group



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

def create_group
  command = "groupadd"
  command << set_options
  command << groupadd_options
  run_command(:command => command)
  modify_group_members    
end

#define_resource_requirements ⇒ Object 



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# File 'lib/chef/provider/group/groupadd.rb', line 34

def define_resource_requirements
  super
  required_binaries.each do |required_binary|
    requirements.assert(:all_actions) do |a| 
      a.assertion { ::File.exists?(required_binary) } 
      a.failure_message Chef::Exceptions::Group, "Could not find binary #{required_binary} for #{@new_resource}" 
      # No whyrun alternative: this component should be available in the base install of any given system that uses it
    end
  end
end

#groupadd_options ⇒ Object 



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# File 'lib/chef/provider/group/groupadd.rb', line 87

def groupadd_options
  opts = ''
  opts << " -r" if @new_resource.system
  opts
end

#load_current_resource ⇒ Object 



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

def load_current_resource
  super
end

#manage_group ⇒ Object

Manage the group when it already exists



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# File 'lib/chef/provider/group/groupadd.rb', line 55

def manage_group
  command = "groupmod"
  command << set_options
  run_command(:command => command)
  modify_group_members
end

#modify_group_members ⇒ Object

Raises:



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# File 'lib/chef/provider/group/groupadd.rb', line 67

def modify_group_members
  raise Chef::Exceptions::Group, "you must override modify_group_members in #{self.to_s}"
end

#remove_group ⇒ Object

Remove the group



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# File 'lib/chef/provider/group/groupadd.rb', line 63

def remove_group
  run_command(:command => "groupdel #{@new_resource.group_name}")
end

#required_binaries ⇒ Object 



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# File 'lib/chef/provider/group/groupadd.rb', line 24

def required_binaries
  [ "/usr/sbin/groupadd",
    "/usr/sbin/groupmod",
    "/usr/sbin/groupdel" ]
end

#set_options ⇒ Object

Little bit of magic as per Adam’s useradd provider to pull the assign the command line flags

Returns

<string>

A string containing the option and then the quoted value



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# File 'lib/chef/provider/group/groupadd.rb', line 74

def set_options
  opts = ""
  { :gid => "-g" }.sort { |a,b| a[0] <=> b[0] }.each do |field, option|
    if @current_resource.send(field) != @new_resource.send(field)
      if @new_resource.send(field)
        opts << " #{option} '#{@new_resource.send(field)}'"
        Chef::Log.debug("#{@new_resource} set #{field.to_s} to #{@new_resource.send(field)}")
      end
    end
  end
  opts << " #{@new_resource.group_name}"
end