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#
# Author:: AJ Christensen (<aj@opscode.com>)
# Copyright:: Copyright (c) 2008 OpsCode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'chef/provider'
require 'chef/mixin/command'
require 'chef/resource/group'
require 'etc'
class Chef
class Provider
class Group < Chef::Provider
include Chef::Mixin::Command
attr_accessor :group_exists
def initialize(node, new_resource)
super(node, new_resource)
@group_exists = true
end
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)
@current_resource.gid(group_info.gid)
@current_resource.members(group_info.mem)
end
@current_resource
end
# Check to see if a group needs any changes
#
# ==== Returns
# <true>:: If a change is required
# <false>:: If a change is not required
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
def action_create
case @group_exists
when false
create_group
Chef::Log.info("Created #{@new_resource}")
@new_resource.updated = true
else
if compare_group
manage_group
Chef::Log.info("Altered #{@new_resource}")
@new_resource.updated = true
end
end
end
def action_remove
if @group_exists
remove_group
@new_resource.updated = true
Chef::Log.info("Removed #{@new_resource}")
end
end
def action_manage
if @group_exists && compare_group
manage_group
@new_resource.updated = true
Chef::Log.info("Managed #{@new_resource}")
end
end
def action_modify
if @group_exists
if compare_group
manage_group
@new_resource.updated = true
Chef::Log.info("Modified #{@new_resource}")
end
else
raise Chef::Exceptions::Group, "Cannot modify #{@new_resource} - group does not exist!"
end
end
end
end
end
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