5 module Puppet::Parser::Functions
6 newfunction(:ensure_packages, :type => :statement, :doc => <<-EOS
7 Takes a list of packages and only installs them if they don't already exist.
8 It optionally takes a hash as a second parameter that will be passed as the
9 third argument to the ensure_resource() function.
13 if arguments.size > 2 or arguments.size == 0
14 raise(Puppet::ParseError, "ensure_packages(): Wrong number of arguments given (#{arguments.size} for 1 or 2)")
15 elsif arguments.size == 2 and !arguments[1].is_a?(Hash)
16 raise(Puppet::ParseError, 'ensure_packages(): Requires second argument to be a Hash')
19 if arguments[0].is_a?(Hash)
21 defaults = { 'ensure' => 'present' }.merge(arguments[1])
22 if defaults['ensure'] == 'installed'
23 defaults['ensure'] = 'present'
26 defaults = { 'ensure' => 'present' }
29 Puppet::Parser::Functions.function(:ensure_resources)
30 function_ensure_resources(['package', arguments[0].dup, defaults ])
32 packages = Array(arguments[0])
35 defaults = { 'ensure' => 'present' }.merge(arguments[1])
36 if defaults['ensure'] == 'installed'
37 defaults['ensure'] = 'present'
40 defaults = { 'ensure' => 'present' }
43 Puppet::Parser::Functions.function(:ensure_resource)
44 packages.each { |package_name|
45 raise(Puppet::ParseError, 'ensure_packages(): Empty String provided for package name') if package_name.length == 0
46 if !findresource("Package[#{package_name}]")
47 function_ensure_resource(['package', package_name, defaults ])
54 # vim: set ts=2 sw=2 et :