Class: Chef::Provider::User::Useradd

Inherits:
Chef::Provider::User show all
Defined in:
lib/chef/provider/user/useradd.rb

Constant Summary collapse

UNIVERSAL_OPTIONS = 
[[:comment, "-c"], [:gid, "-g"], [:password, "-p"], [:shell, "-s"], [:uid, "-u"]]

Instance Attribute Summary

Attributes inherited from Chef::Provider::User

#locked, #user_exists

Attributes inherited from Chef::Provider

#action, #current_resource, #new_resource, #run_context

Instance Method Summary collapse

Methods inherited from Chef::Provider::User

#action_create, #action_lock, #action_manage, #action_modify, #action_remove, #action_unlock, #compare_user, #convert_group_name, #define_resource_requirements, #initialize, #load_current_resource, #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, #define_resource_requirements, #events, #initialize, #load_current_resource, #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::User

Dynamic Method Handling

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

Instance Method Details

#check_lock ⇒ Object 



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# File 'lib/chef/provider/user/useradd.rb', line 50

def check_lock
  status = popen4("passwd -S #{@new_resource.username}") do |pid, stdin, stdout, stderr|
    status_line = stdout.gets.split(' ')
    case status_line[1]
    when /^P/
      @locked = false
    when /^N/
      @locked = false
    when /^L/
      @locked = true
    end
  end

  unless status.exitstatus == 0
    raise_lock_error = false
    # we can get an exit code of 1 even when it's successful on rhel/centos (redhat bug 578534)
    if status.exitstatus == 1 && ['redhat', 'centos'].include?(node[:platform])
      passwd_version_status = popen4('rpm -q passwd') do |pid, stdin, stdout, stderr|
        passwd_version = stdout.gets.chomp

        unless passwd_version == 'passwd-0.73-1'
          raise_lock_error = true
        end
      end
    else
      raise_lock_error = true
    end

    raise Chef::Exceptions::User, "Cannot determine if #{@new_resource} is locked!" if raise_lock_error
  end

  @locked
end

#compile_command(base_command) {|base_command| ... } ⇒ Object

Yields:

  • (base_command) 


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# File 'lib/chef/provider/user/useradd.rb', line 92

def compile_command(base_command)
  yield base_command
  base_command << " #{@new_resource.username}"
  base_command
end

#create_user ⇒ Object 



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# File 'lib/chef/provider/user/useradd.rb', line 28

def create_user
  command = compile_command("useradd") do |useradd|
    useradd << universal_options
    useradd << useradd_options
  end
  run_command(:command => command)
end

#lock_user ⇒ Object 



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# File 'lib/chef/provider/user/useradd.rb', line 84

def lock_user
  run_command(:command => "usermod -L #{@new_resource.username}")
end

#manage_user ⇒ Object 



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# File 'lib/chef/provider/user/useradd.rb', line 36

def manage_user
  command = compile_command("usermod") do |u|
    u << universal_options
  end
  run_command(:command => command)
end

#managing_home_dir? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/user/useradd.rb', line 137

def managing_home_dir?
  @new_resource.manage_home || @new_resource.supports[:manage_home]
end

#remove_user ⇒ Object 



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# File 'lib/chef/provider/user/useradd.rb', line 43

def remove_user
  command = "userdel"
  command << " -r" if managing_home_dir?
  command << " #{@new_resource.username}"
  run_command(:command => command)
end

#universal_options ⇒ Object 



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# File 'lib/chef/provider/user/useradd.rb', line 98

def universal_options
  opts = ''
  
  UNIVERSAL_OPTIONS.each do |field, option|
    if @current_resource.send(field) != @new_resource.send(field)
      if @new_resource.send(field)
        Chef::Log.debug("#{@new_resource} setting #{field} to #{@new_resource.send(field)}")
        opts << " #{option} '#{@new_resource.send(field)}'"
      end
    end
  end
  if updating_home?
    if managing_home_dir?
      Chef::Log.debug("#{@new_resource} managing the users home directory")
      opts << " -m -d '#{@new_resource.home}'"
    else
      Chef::Log.debug("#{@new_resource} setting home to #{@new_resource.home}")
      opts << " -d '#{@new_resource.home}'"
    end
  end
  opts << " -o" if @new_resource.non_unique || @new_resource.supports[:non_unique]
  opts
end

#unlock_user ⇒ Object 



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# File 'lib/chef/provider/user/useradd.rb', line 88

def unlock_user
  run_command(:command => "usermod -U #{@new_resource.username}")
end

#updating_home? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/provider/user/useradd.rb', line 128

def updating_home?
  # will return false if paths are equivalent
  # Pathname#cleanpath does a better job than ::File::expand_path (on both unix and windows)
  # ::File.expand_path("///tmp") == ::File.expand_path("/tmp") => false
  # ::File.expand_path("\\tmp") => "C:/tmp"
  return true if @current_resource.home.nil? && @new_resource.home
  @new_resource.home and Pathname.new(@current_resource.home).cleanpath != Pathname.new(@new_resource.home).cleanpath
end

#useradd_options ⇒ Object 



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# File 'lib/chef/provider/user/useradd.rb', line 122

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