Puppet Function: format_action

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

Overview

format_action() ⇒ Any

Given an action, ie. ACCEPT/REJECT or a chain name, returns the partial iptables rule to facilitate taking the appropriate action.

Examples:

# returns "-j ACCEPT'
format_action('ACCEPT')

# returns '-j LOG'
format_action('LOG')

# Parse Error
format_action(nil)
format_action('')
format_action('SOME CHAIN')

Returns:

  • (Any) 


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

newfunction(:format_action, :type => :rvalue,:doc => <<-EOS
Given an action, ie. ACCEPT/REJECT or a chain name, returns the partial iptables
rule to facilitate taking the appropriate action.

Examples:

# returns "-j ACCEPT'
format_action('ACCEPT')

# returns '-j LOG'
format_action('LOG')

# Parse Error
format_action(nil)
format_action('')
format_action('SOME CHAIN')
EOS
) do |args|
  action = 'ACCEPT'
  action = args[0] unless args[0] == nil
  
  if action == nil or action == :undef
    raise Puppet::ParseError, \
      "action not specified"
  end

  # do some basic validation of the action
  if action =~ /\s/
    raise Puppet::ParseError, \
      "action cannot contain whitepace - \"#{action}\""
  end

  return "-j #{action}"
end