Puppet Function: iptables_prep_option

Defined in:
lib/puppet/parser/functions/iptables_prep_option.rb
Function type:
Ruby 3.x API

Overview

iptables_prep_option() ⇒ Any

Used internally by the iptables module, handles the determination of the initial value of our option by taking the provided name, values hash, defaults hash and default value, and returning the appropriate value.

Example:

vals = { 'opt2' => '1', 'opt3' => '2' }
defs = { 'opt' => '0', 'opt3' => '4' }
default = '-1'

# returns '0'
opt_val = iptables_prep_option( 'opt', vals, defs, default )

# returns '1'
opt2_val = iptables_prep_option( 'opt2', vals, defs, default )

# returns '2'
opt3_val = iptables_prep_option( 'opt3', vals, defs, default )

# returns -1
opt4_val = iptables_prep_option( 'opt4', vals, defs, default )

Returns:

  • (Any) 


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# File 'lib/puppet/parser/functions/iptables_prep_option.rb', line 2

newfunction(:iptables_prep_option, :type => :rvalue, :doc => <<-EOS
Used internally by the iptables module, handles the determination of the initial
value of our option by taking the provided name, values hash, defaults hash and
default value, and returning the appropriate value.

Example:

vals = { 'opt2' => '1', 'opt3' => '2' }
defs = { 'opt' => '0', 'opt3' => '4' }
default = '-1'

# returns '0'
opt_val = iptables_prep_option( 'opt', vals, defs, default )

# returns '1'
opt2_val = iptables_prep_option( 'opt2', vals, defs, default )

# returns '2'
opt3_val = iptables_prep_option( 'opt3', vals, defs, default )

# returns -1
opt4_val = iptables_prep_option( 'opt4', vals, defs, default )
EOS
) do |args|
  name = args[0]
  
  vals = { }
  vals = args[1] if args[1].is_a?(Hash)

  defs = { }
  defs = args[2] if args[2].is_a?(Hash)


  default = ''
  default = args[3] unless args[3] == nil or args[3] == :undef

  # just run through the values
  ret = default
  ret = defs[name] unless defs[name] == nil or defs[name] == :undef
  ret = vals[name] unless vals[name] == nil or vals[name] == :undef

  return ret
end