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Chef::Provider::Group::Pw

Public Instance Methods

create_group() click to toggle source

Create the group

# File lib/chef/provider/group/pw.rb, line 39
def create_group
  command = "pw groupadd"
  command << set_options
  member_options = set_members_options
  if member_options.empty?
    run_command(:command => command)
  else
    member_options.each do |option|
      run_command(:command => command + option)
    end
  end
end
define_resource_requirements() click to toggle source
# 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
load_current_resource() click to toggle source
# File lib/chef/provider/group/pw.rb, line 24
def load_current_resource
  super
end
manage_group() click to toggle source

Manage the group when it already exists

# File lib/chef/provider/group/pw.rb, line 53
def manage_group
  command = "pw groupmod"
  command << set_options
  member_options = set_members_options
  if member_options.empty?
    run_command(:command => command)
  else
    member_options.each do |option|
      run_command(:command => command + option)
    end
  end
end
remove_group() click to toggle source

Remove the group

# File lib/chef/provider/group/pw.rb, line 67
def remove_group
  run_command(:command => "pw groupdel #{@new_resource.group_name}")
end
set_members_options() click to toggle source

Set the membership option depending on the current resource states

# File lib/chef/provider/group/pw.rb, line 85
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 if !@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
    @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?
    Chef::Log.debug("#{@new_resource} adding group members: #{members_to_be_added.join(',')}")
    opts << " -m #{members_to_be_added.join(',')}"
  end

  unless members_to_be_removed.empty?
    Chef::Log.debug("#{@new_resource} removing group members: #{members_to_be_removed.join(',')}")
    opts << " -d #{members_to_be_removed.join(',')}"
  end

  opts
end
set_options() click to toggle source

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

# 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)
    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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