Create the group
# File lib/chef/provider/group/pw.rb, line 39 def create_group command = "pw groupadd" command << set_options command << set_members_option run_command(:command => command) end
# File lib/chef/provider/group/pw.rb, line 28 def define_resource_requirements super requirements.assert(:all_actions) do |a| a.assertion { ::File.exists?("/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
# File lib/chef/provider/group/pw.rb, line 24 def load_current_resource super end
Manage the group when it already exists
# File lib/chef/provider/group/pw.rb, line 47 def manage_group command = "pw groupmod" command << set_options command << set_members_option run_command(:command => command) end
Remove the group
# File lib/chef/provider/group/pw.rb, line 55 def remove_group run_command(:command => "pw groupdel #{@new_resource.group_name}") end
Set the membership option depending on the current resource states
# File lib/chef/provider/group/pw.rb, line 73 def set_members_option opt = "" unless @new_resource.members.empty? opt << " -M #{@new_resource.members.join(',')}" Chef::Log.debug("#{@new_resource} setting group members to #{@new_resource.members.join(', ')}") else # New member list is empty so we should delete any old group members unless @current_resource.members.empty? opt << " -d #{@current_resource.members.join(',')}" Chef::Log.debug("#{@new_resource} removing group members #{@current_resource.members.join(', ')}") else Chef::Log.debug("#{@new_resource} not changing group members, the group has no members") end end opt end
Little bit of magic as per Adam's useradd provider to pull and assign the command line flags
<string> |
A string containing the option and then the quoted value |
# File lib/chef/provider/group/pw.rb, line 63 def set_options opts = " #{@new_resource.group_name}" if @new_resource.gid && (@current_resource.gid != @new_resource.gid) Chef::Log.debug("#{@new_resource}: current gid (#{@current_resource.gid}) doesnt match target gid (#{@new_resource.gid}), changing it") opts << " -g '#{@new_resource.gid}'" end opts end
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