Class: Chef::Provider::Group::Pw

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

Instance Attribute Summary

Attributes inherited from Chef::Provider::Group

#change_desc, #group_exists

Attributes inherited from Chef::Provider

#action, #current_resource, #logger, #new_resource, #recipe_name, #run_context

Instance Method Summary collapse

Methods inherited from Chef::Provider::Group

#action_create, #action_manage, #action_modify, #action_remove, #compare_group, #has_current_group_member?, #initialize, #validate_member!

Methods included from Mixin::ShellOut

apply_default_env, maybe_add_timeout, #shell_out, #shell_out!

Methods inherited from Chef::Provider

action, #action_nothing, #check_resource_semantics!, #cleanup_after_converge, #compile_and_converge_action, #converge_by, #converge_if_changed, #cookbook_name, #description, #events, include_resource_dsl?, include_resource_dsl_module, #initialize, #introduced, #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::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 Mixin::PowershellExec

#powershell_exec

Methods included from DSL::Powershell

#ps_credential

Methods included from DSL::RegistryHelper

#registry_data_exists?, #registry_get_subkeys, #registry_get_values, #registry_has_subkeys?, #registry_key_exists?, #registry_value_exists?

Methods included from DSL::DataQuery

#data_bag, #data_bag_item, #search, #tagged?

Methods included from EncryptedDataBagItem::CheckEncrypted

#encrypted?

Methods included from DSL::PlatformIntrospection

#older_than_win_2012_or_8?, #platform?, #platform_family?, #value_for_platform, #value_for_platform_family

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!, #resources, #with_run_context

Constructor Details

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

Instance Method Details

#create_group ⇒ Object

Create the group



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# File 'lib/chef/provider/group/pw.rb', line 40

def create_group
  command = [ "pw", "groupadd", set_options ]
  unless new_resource.members.empty?
    # pw group[add|mod] -M is used to set the full membership list on a
    # new or existing group. Because pw groupadd does not support the -m
    # and -d options used by manage_group, we treat group creation as a
    # special case and use -M.
    logger.trace("#{new_resource} setting group members: #{new_resource.members.join(",")}")
    command += [ "-M", new_resource.members.join(",") ]
  end

  shell_out!(command)
end

#define_resource_requirements ⇒ Object 



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# File 'lib/chef/provider/group/pw.rb', line 29

def define_resource_requirements
  super

  requirements.assert(:all_actions) do |a|
    a.assertion { ::File.exist?("/usr/sbin/pw") }
    a.failure_message Chef::Exceptions::Group, "Could not find binary /usr/sbin/pw for #{new_resource}"
    # No whyrun alternative: this component should be available in the base install of any given system that uses it
  end
end

#load_current_resource ⇒ Object 



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# File 'lib/chef/provider/group/pw.rb', line 25

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/pw.rb', line 55

def manage_group
  member_options = set_members_options
  if member_options.empty?
    shell_out!("pw", "groupmod", set_options)
  else
    member_options.each do |option|
      shell_out!("pw", "groupmod", set_options, option)
    end
  end
end

#remove_group ⇒ Object

Remove the group



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

def remove_group
  shell_out!("pw", "groupdel", new_resource.group_name)
end

#set_members_options ⇒ Object

Set the membership option depending on the current resource states



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# File 'lib/chef/provider/group/pw.rb', line 86

def set_members_options
  opts = [ ]
  members_to_be_added = [ ]
  members_to_be_removed = [ ]

  if new_resource.append
    # Append is set so we will only add members given in the
    # members list and remove members given in the
    # excluded_members list.
    if new_resource.members && !new_resource.members.empty?
      new_resource.members.each do |member|
        members_to_be_added << member unless current_resource.members.include?(member)
      end
    end

    if new_resource.excluded_members && !new_resource.excluded_members.empty?
      new_resource.excluded_members.each do |member|
        members_to_be_removed << member if current_resource.members.include?(member)
      end
    end
  else
    # Append is not set so we're resetting the membership of
    # the group to the given members.
    members_to_be_added = new_resource.members.dup
    current_resource.members.each do |member|
      # No need to re-add a member if it's present in the new
      # list of members
      if members_to_be_added.include? member
        members_to_be_added.delete member
      else
        members_to_be_removed << member
      end
    end
  end

  unless members_to_be_added.empty?
    logger.trace("#{new_resource} adding group members: #{members_to_be_added.join(",")}")
    opts << [ "-m", members_to_be_added.join(",") ]
  end

  unless members_to_be_removed.empty?
    logger.trace("#{new_resource} removing group members: #{members_to_be_removed.join(",")}")
    opts << [ "-d", members_to_be_removed.join(",") ]
  end

  opts
end

#set_options ⇒ Object

Little bit of magic as per Adam’s useradd provider to pull and 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/pw.rb', line 75

def set_options
  opts = [ new_resource.group_name ]
  if new_resource.gid && (current_resource.gid != new_resource.gid)
    logger.trace("#{new_resource}: current gid (#{current_resource.gid}) doesnt match target gid (#{new_resource.gid}), changing it")
    opts << "-g"
    opts << new_resource.gid
  end
  opts
end